/* ============================================================
   TATHAGAT EXPERT MINERALS
   PREMIUM INDUSTRIAL / CORPORATE DESIGN SYSTEM
   ------------------------------------------------------------
   • Deep Navy + Mineral Green + Controlled Gold
   • Clean typography and restrained shadows
   • Original client imagery preserved
   • Responsive across desktop / tablet / mobile
   • Designed for index.html, about.html, products.html, contact.html
   ============================================================ */

/* ============================================================
   01. DESIGN TOKENS
   ============================================================ */
:root {
    --primary: #081a2c;
    --primary-2: #0d2740;
    --primary-3: #153b5b;

    --gold: #d5ad35;
    --gold-2: #b98d1f;
    --gold-soft: rgba(213, 173, 53, .12);

    --green: #167957;
    --green-2: #20946c;
    --green-soft: rgba(22, 121, 87, .10);

    --white: #ffffff;
    --surface: #f7f9fb;
    --surface-2: #eef2f5;
    --text: #122033;
    --muted: #667487;
    --muted-2: #8995a4;
    --border: #e2e7ec;
    --border-dark: rgba(255,255,255,.12);

    --shadow-sm: 0 5px 18px rgba(8, 26, 44, .055);
    --shadow-md: 0 12px 32px rgba(8, 26, 44, .085);
    --shadow-lg: 0 22px 55px rgba(8, 26, 44, .12);

    --radius-sm: 8px;
    --radius: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --ease: cubic-bezier(.2,.7,.2,1);
    --transition: .28s var(--ease);

    --container: 1220px;
    --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* ============================================================
   02. RESET
   ============================================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font);
    color: var(--text);
    background: var(--white);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body,
button,
input,
textarea,
select {
    font-family: var(--font);
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
textarea,
select {
    font: inherit;
}

button {
    border: 0;
    cursor: pointer;
}

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6,
p {
    margin-top: 0;
}

::selection {
    background: var(--gold);
    color: var(--primary);
}

:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 3px;
}

/* ============================================================
   03. GLOBAL LAYOUT
   ============================================================ */
.container {
    width: min(var(--container), calc(100% - 40px));
    margin-inline: auto;
}

.section-padding {
    padding: 88px 0;
}

.text-center {
    text-align: center;
}

.hidden {
    display: none !important;
}

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

/* ============================================================
   04. SECTION HEADERS
   ============================================================ */
.section-header {
    max-width: 760px;
    margin: 0 auto 52px;
    text-align: center;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    margin-bottom: 14px;
    padding: 6px 13px;
    border: 1px solid rgba(22,121,87,.18);
    border-radius: 999px;
    background: var(--green-soft);
    color: var(--green);
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: 1.8px;
    line-height: 1;
    text-transform: uppercase;
}

.section-header h2 {
    margin-bottom: 13px;
    color: var(--primary);
    font-size: clamp(1.85rem, 3vw, 2.75rem);
    line-height: 1.16;
    font-weight: 800;
    letter-spacing: -.7px;
}

.section-header h2 span {
    color: var(--green);
}

.section-header p {
    max-width: 650px;
    margin: 0 auto;
    color: var(--muted);
    font-size: .96rem;
    line-height: 1.75;
}

/* ============================================================
   05. BUTTON SYSTEM
   ============================================================ */
.btn {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 11px 22px;
    border: 1px solid transparent;
    border-radius: 9px;
    white-space: nowrap;
    font-size: .88rem;
    font-weight: 700;
    line-height: 1;
    transition: transform var(--transition), background var(--transition),
                border-color var(--transition), color var(--transition),
                box-shadow var(--transition);
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--green);
    color: var(--white);
    box-shadow: 0 8px 22px rgba(22,121,87,.18);
}

.btn-primary:hover {
    background: var(--green-2);
    box-shadow: 0 12px 28px rgba(22,121,87,.24);
}

.btn-outline {
    border-color: rgba(255,255,255,.42);
    background: rgba(255,255,255,.03);
    color: var(--white);
}

.btn-outline:hover {
    border-color: var(--gold);
    background: var(--gold);
    color: var(--primary);
}

.btn-outline-dark {
    border-color: var(--primary);
    background: transparent;
    color: var(--primary);
}

.btn-outline-dark:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-cta {
    background: var(--green);
    color: var(--white);
}

.btn-cta:hover {
    background: var(--green-2);
}

.btn-cta-secondary {
    background: var(--white);
    color: var(--primary);
}

.btn-cta-secondary:hover {
    background: var(--surface);
}

.btn-cta-whatsapp {
    background: #20c76b;
    color: var(--white);
}

.btn-cta-whatsapp:hover {
    background: #19ae5d;
}

.btn-full {
    width: 100%;
}

/* ============================================================
   06. HEADER
   ============================================================ */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(8,26,44,.97);
    border-bottom: 1px solid rgba(213,173,53,.22);
    box-shadow: 0 7px 24px rgba(0,0,0,.12);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.header-container {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
}

.logo img {
    display: block;
    width: auto;
    height: 46px;
    max-width: 210px;
    object-fit: contain;
}

.logo-text {
    color: var(--white);
    font-weight: 800;
}

.logo-text span {
    color: var(--gold);
}

.nav {
    display: flex;
    flex: 1 1 auto;
    justify-content: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 34px;
}

.nav-list a {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 76px;
    color: rgba(255,255,255,.70);
    font-size: .86rem;
    font-weight: 700;
    transition: color var(--transition);
}

.nav-list a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 17px;
    height: 2px;
    border-radius: 999px;
    background: var(--gold);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--transition);
}

.nav-list a:hover,
.nav-list a.active {
    color: var(--white);
}

.nav-list a:hover::after,
.nav-list a.active::after {
    transform: scaleX(1);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.header-phone {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gold);
    font-size: .84rem;
    font-weight: 800;
    white-space: nowrap;
}

.header-phone:hover {
    color: var(--white);
}

.hamburger {
    display: none;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 9px;
    background: rgba(255,255,255,.04);
}

.hamburger span {
    width: 22px;
    height: 2px;
    border-radius: 999px;
    background: var(--white);
    transition: transform var(--transition), opacity var(--transition);
}

/* ============================================================
   07. BREADCRUMB
   ============================================================ */
.breadcrumb {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.breadcrumb .container {
    min-height: 52px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.breadcrumb a {
    color: var(--green);
    font-size: .8rem;
    font-weight: 700;
}

.breadcrumb a:hover {
    color: var(--gold-2);
}

.breadcrumb .separator {
    color: #a6afba;
}

.breadcrumb .current {
    color: var(--muted);
    font-size: .8rem;
}

/* ============================================================
   08. HOME HERO SLIDER
   ============================================================ */
.hero-slider {
    position: relative;
    width: 100%;
    height: clamp(470px, 68vh, 690px);
    overflow: hidden;
    background: var(--primary);
}

.slider-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.slider-track {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform .75s cubic-bezier(.65,0,.25,1);
    will-change: transform;
}

.slide {
    position: relative;
    flex: 0 0 100%;
    width: 100%;
    min-width: 100%;
    height: 100%;
    overflow: hidden;
    background: var(--primary);
}

.slide-img {
    position: absolute;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transform: translateZ(0);
    backface-visibility: hidden;
}

.slide::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(
        90deg,
        rgba(4,17,29,.68) 0%,
        rgba(4,17,29,.34) 46%,
        rgba(4,17,29,.06) 78%,
        rgba(4,17,29,.02) 100%
    );
    pointer-events: none;
}

.slide-content {
    position: relative;
    z-index: 2;
    width: min(680px, calc(100% - 40px));
    margin-left: max(20px, calc((100vw - var(--container))/2));
    padding-top: clamp(70px, 12vh, 125px);
    color: var(--white);
}

.slide-badge,
.slide-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 17px;
    padding: 7px 12px;
    border: 1px solid rgba(213,173,53,.52);
    border-radius: 999px;
    background: rgba(8,26,44,.30);
    color: #f0cb50;
    font-size: .66rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    backdrop-filter: blur(6px);
}

.slide-title {
    max-width: 700px;
    margin-bottom: 17px;
    color: var(--white);
    font-size: clamp(2.25rem, 5vw, 4.45rem);
    line-height: 1.04;
    font-weight: 800;
    letter-spacing: -1.5px;
}

.slide-title span {
    color: var(--gold);
}

.slide-description {
    max-width: 610px;
    margin-bottom: 25px;
    color: rgba(255,255,255,.86);
    font-size: .98rem;
    line-height: 1.7;
}

.slide-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    z-index: 5;
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,.24);
    border-radius: 50%;
    background: rgba(5,16,27,.34);
    color: var(--white);
    transform: translateY(-50%);
    transition: all var(--transition);
    backdrop-filter: blur(7px);
}

.slider-arrow:hover {
    background: var(--gold);
    border-color: var(--gold);
    color: var(--primary);
}

.slider-arrow.prev { left: 24px; }
.slider-arrow.next { right: 24px; }

.slider-dots {
    position: absolute;
    left: 50%;
    bottom: 22px;
    z-index: 5;
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 6px 10px;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 999px;
    background: rgba(5,16,27,.38);
    transform: translateX(-50%);
    backdrop-filter: blur(8px);
}

.slider-dots button {
    width: 7px;
    height: 7px;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: rgba(255,255,255,.45);
    transition: width var(--transition), background var(--transition);
}

.slider-dots button.active {
    width: 24px;
    background: var(--gold);
}

.slider-counter {
    position: absolute;
    right: 24px;
    bottom: 22px;
    z-index: 5;
    padding: 5px 11px;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 999px;
    background: rgba(5,16,27,.38);
    color: rgba(255,255,255,.78);
    font: 700 .7rem/1 "Courier New", monospace;
    letter-spacing: 1px;
    backdrop-filter: blur(8px);
}

.slider-counter #currentSlideNum {
    color: var(--gold);
}

/* ============================================================
   09. STATS
   ============================================================ */
.stats-bar {
    position: relative;
    background: var(--primary);
    border-top: 1px solid rgba(213,173,53,.20);
    border-bottom: 1px solid rgba(213,173,53,.20);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.stat-item {
    position: relative;
    min-height: 112px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 6px;
    text-align: center;
}

.stat-item + .stat-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 28%;
    width: 1px;
    height: 44%;
    background: rgba(255,255,255,.10);
}

.stat-number {
    color: var(--gold);
    font-size: 2rem;
    line-height: 1;
    font-weight: 800;
    letter-spacing: -.5px;
}

.stat-label {
    color: rgba(255,255,255,.58);
    font-size: .67rem;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
}

/* ============================================================
   10. CATEGORIES
   ============================================================ */
.categories-grid,
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.category-card,
.service-card {
    position: relative;
    min-height: 255px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 30px 26px;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--white);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition),
                border-color var(--transition);
}

.category-card::before,
.service-card::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--green), var(--gold));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .35s var(--ease);
}

.category-card:hover,
.service-card:hover {
    transform: translateY(-5px);
    border-color: rgba(22,121,87,.28);
    box-shadow: var(--shadow-md);
}

.category-card:hover::before,
.service-card:hover::before {
    transform: scaleX(1);
}

.category-icon,
.service-icon {
    width: 55px;
    height: 55px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    border-radius: 13px;
    background: var(--green-soft);
    color: var(--green);
    font-size: 1.35rem;
}

.category-card h3,
.service-card h3 {
    margin-bottom: 8px;
    color: var(--primary);
    font-size: 1.03rem;
    font-weight: 800;
}

.category-card p,
.service-card p {
    flex: 1;
    margin-bottom: 17px;
    color: var(--muted);
    font-size: .84rem;
    line-height: 1.7;
}

.category-link,
.product-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--green);
    font-size: .78rem;
    font-weight: 800;
}

.category-link:hover,
.product-link:hover {
    gap: 11px;
    color: var(--gold-2);
}

/* ============================================================
   11. PRODUCT CARDS
   ============================================================ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card {
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--white);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition),
                border-color var(--transition);
}

.product-card:hover {
    transform: translateY(-5px);
    border-color: rgba(22,121,87,.26);
    box-shadow: var(--shadow-md);
}

.product-image {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--surface-2);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .55s var(--ease);
}

.product-card:hover .product-image img {
    transform: scale(1.035);
}

.product-number-badge,
.product-number {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 3;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,.22);
    border-radius: 10px;
    background: rgba(8,26,44,.86);
    color: var(--gold);
    font-size: .76rem;
    font-weight: 800;
    backdrop-filter: blur(7px);
}

.product-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 22px;
}

.product-tag,
.product-category {
    align-self: flex-start;
    display: inline-flex;
    margin-bottom: 10px;
    padding: 5px 9px;
    border: 1px solid rgba(22,121,87,.15);
    border-radius: 999px;
    background: var(--green-soft);
    color: var(--green);
    font-size: .62rem;
    font-weight: 800;
    letter-spacing: .8px;
    text-transform: uppercase;
}

.product-info h3,
.product-detail-content h2 {
    color: var(--primary);
    font-weight: 800;
}

.product-info h3 {
    margin-bottom: 7px;
    font-size: 1.05rem;
    line-height: 1.3;
}

.product-desc {
    flex: 1;
    margin-bottom: 14px;
    color: var(--muted);
    font-size: .82rem;
    line-height: 1.7;
}

.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 15px;
    padding: 11px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.product-specs span {
    padding: 4px 8px;
    border-radius: 5px;
    background: var(--surface);
    color: var(--muted);
    font-size: .66rem;
    font-weight: 700;
}

/* ============================================================
   12. WHY CHOOSE US
   ============================================================ */
.why-section {
    background: var(--surface);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.why-card {
    min-height: 195px;
    padding: 26px 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--white);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition),
                border-color var(--transition);
}

.why-card:hover {
    transform: translateY(-4px);
    border-color: rgba(22,121,87,.25);
    box-shadow: var(--shadow-md);
}

.why-icon {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    border-radius: 11px;
    background: var(--green-soft);
    color: var(--green);
    font-size: 1rem;
}

.why-card h3 {
    margin-bottom: 7px;
    color: var(--primary);
    font-size: .96rem;
    font-weight: 800;
}

.why-card p {
    margin: 0;
    color: var(--muted);
    font-size: .78rem;
    line-height: 1.65;
}

/* ============================================================
   13. ABOUT / STORY
   ============================================================ */
.about-hero {
    position: relative;
    min-height: 520px;
    height: clamp(520px, 65vh, 680px);
    overflow: hidden;
    background: var(--primary);
}

.about-hero .hero-bg,
.about-hero .hero-bg img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.about-hero .hero-bg img {
    object-fit: cover;
    object-position: center;
}

.about-hero .hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        rgba(5,17,30,.82) 0%,
        rgba(5,17,30,.53) 42%,
        rgba(5,17,30,.14) 76%,
        rgba(5,17,30,.04) 100%
    );
}

.about-hero .hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding-top: 88px;
    padding-bottom: 70px;
}

.about-hero .hero-badge {
    display: inline-flex;
    padding: 7px 13px;
    border: 1px solid rgba(213,173,53,.48);
    border-radius: 999px;
    background: rgba(8,26,44,.30);
    color: var(--gold);
    font-size: .66rem;
    font-weight: 800;
    letter-spacing: 1.4px;
    text-transform: uppercase;
}

.about-hero h1 {
    max-width: 820px;
    margin: 17px 0 15px;
    color: var(--white);
    font-size: clamp(2.3rem, 5vw, 4.35rem);
    line-height: 1.05;
    font-weight: 800;
    letter-spacing: -1.2px;
}

.about-hero h1 span {
    color: var(--gold);
}

.about-hero p {
    max-width: 650px;
    margin-bottom: 25px;
    color: rgba(255,255,255,.87);
    font-size: .96rem;
    line-height: 1.7;
}

.about-hero .hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.story-grid {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 58px;
    align-items: center;
}

.story-text p {
    margin-bottom: 16px;
    color: var(--muted);
    font-size: .91rem;
    line-height: 1.82;
}

.story-text p:last-child {
    margin-bottom: 0;
}

.story-text strong {
    color: var(--primary);
}

.story-image {
    position: relative;
    min-height: 410px;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface-2);
    box-shadow: var(--shadow-lg);
}

.story-image::after {
    content: "";
    position: absolute;
    inset: 9px;
    border: 1px solid rgba(255,255,255,.35);
    border-radius: calc(var(--radius-lg) - 9px);
    pointer-events: none;
}

.story-image img {
    width: 100%;
    height: 100%;
    min-height: 410px;
    object-fit: cover;
}

/* ============================================================
   14. ABOUT SNAPSHOT
   ============================================================ */
.about-snapshot {
    background: var(--primary);
    color: var(--white);
}

.about-snapshot-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.10);
    border-radius: var(--radius);
}

.about-snapshot-item {
    position: relative;
    padding: 28px 18px;
    text-align: center;
}

.about-snapshot-item + .about-snapshot-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 25%;
    width: 1px;
    height: 50%;
    background: rgba(255,255,255,.10);
}

.about-snapshot-number {
    display: block;
    margin-bottom: 7px;
    color: var(--gold);
    font-size: 1.75rem;
    line-height: 1;
    font-weight: 800;
}

.about-snapshot-label {
    color: rgba(255,255,255,.63);
    font-size: .72rem;
    line-height: 1.5;
}

/* ============================================================
   15. MISSION / VISION / VALUES
   ============================================================ */
.mv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.mv-card {
    min-height: 245px;
    padding: 30px 25px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--white);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition),
                border-color var(--transition);
}

.mv-card:hover {
    transform: translateY(-4px);
    border-color: rgba(213,173,53,.38);
    box-shadow: var(--shadow-md);
}

.mv-icon {
    width: 49px;
    height: 49px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    border-radius: 11px;
    background: var(--gold-soft);
    color: var(--gold-2);
}

.mv-card h3 {
    margin-bottom: 10px;
    color: var(--primary);
    font-size: 1.02rem;
}

.mv-card p {
    margin: 0;
    color: var(--muted);
    font-size: .82rem;
    line-height: 1.7;
}

/* ============================================================
   16. LEADERSHIP
   ============================================================ */
.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin-inline: auto;
}

.team-card {
    padding: 28px 22px 25px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--white);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition),
                border-color var(--transition);
}

.team-card:hover {
    transform: translateY(-4px);
    border-color: rgba(213,173,53,.35);
    box-shadow: var(--shadow-md);
}

.team-avatar {
    position: relative;
    width: 96px;
    height: 96px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 17px;
    overflow: hidden;
    border: 4px solid var(--surface);
    border-radius: 50%;
    background: linear-gradient(145deg, var(--primary), var(--primary-3));
    color: var(--gold);
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: 1px;
    box-shadow: 0 9px 24px rgba(8,26,44,.14);
}

.team-avatar::after {
    content: "";
    position: absolute;
    inset: 7px;
    border: 1px solid rgba(213,173,53,.28);
    border-radius: 50%;
    pointer-events: none;
}

.team-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-card h3 {
    margin-bottom: 5px;
    color: var(--primary);
    font-size: 1rem;
}

.team-role {
    margin-bottom: 12px;
    color: var(--gold-2);
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .35px;
}

.team-desc {
    max-width: 280px;
    margin: 0 auto;
    color: var(--muted);
    font-size: .76rem;
    line-height: 1.65;
}

/* ============================================================
   17. CERTIFICATIONS
   ============================================================ */
.certifications-section {
    background: var(--surface);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 17px;
}

.cert-card {
    min-height: 175px;
    padding: 24px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--white);
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition),
                border-color var(--transition);
}

.cert-card:hover {
    transform: translateY(-3px);
    border-color: rgba(213,173,53,.40);
    box-shadow: var(--shadow-md);
}

.cert-icon {
    width: 43px;
    height: 43px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 13px;
    border-radius: 10px;
    background: var(--gold-soft);
    color: var(--gold-2);
}

.cert-card h4 {
    margin-bottom: 6px;
    color: var(--primary);
    font-size: .88rem;
}

.cert-card p {
    margin: 0;
    color: var(--muted);
    font-size: .70rem;
    line-height: 1.45;
    word-break: break-word;
}

/* ============================================================
   18. PRODUCTS QUICK NAV
   ============================================================ */
.quick-nav {
    position: sticky;
    top: 76px;
    z-index: 100;
    padding: 13px 0;
    border-bottom: 1px solid var(--border);
    background: rgba(255,255,255,.94);
    box-shadow: 0 5px 18px rgba(8,26,44,.045);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.quick-nav-container {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 2px 0;
    scrollbar-width: thin;
    scrollbar-color: var(--green) transparent;
}

.quick-nav-container::-webkit-scrollbar {
    height: 4px;
}

.quick-nav-container::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: var(--green);
}

.quick-nav-item {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 6px;
    padding: 8px 13px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface);
    color: var(--primary);
    font-size: .72rem;
    font-weight: 800;
    white-space: nowrap;
    transition: all var(--transition);
}

.quick-nav-item:hover {
    border-color: var(--green);
    background: var(--green);
    color: var(--white);
}

/* ============================================================
   19. PRODUCT DETAIL
   ============================================================ */
.product-detail {
    padding: 70px 0;
    border-bottom: 1px solid var(--border);
}

.product-detail:last-child {
    border-bottom: 0;
}

.product-detail.alt {
    margin-bottom: 36px;
    padding: 55px 40px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
}

.product-detail-grid {
    display: grid;
    grid-template-columns: minmax(330px, .9fr) minmax(0, 1.1fr);
    gap: 54px;
    align-items: start;
}

.product-detail.alt .product-detail-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(330px, .9fr);
}

.product-detail-image {
    position: sticky;
    top: 105px;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface-2);
    box-shadow: var(--shadow-md);
}

.product-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-detail-content {
    padding-top: 3px;
}

.product-detail-content h2 {
    margin-bottom: 13px;
    font-size: clamp(1.7rem, 3vw, 2.35rem);
    line-height: 1.15;
}

.product-lead {
    margin-bottom: 20px;
    color: var(--muted);
    font-size: .92rem;
    line-height: 1.78;
}

.product-detail-content h4 {
    display: flex;
    align-items: center;
    gap: 9px;
    margin: 24px 0 11px;
    color: var(--primary);
    font-size: .95rem;
}

.product-detail-content h4::before {
    content: "";
    width: 4px;
    height: 17px;
    border-radius: 999px;
    background: var(--green);
}

.industry-tags,
.packaging-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.industry-tags span {
    padding: 5px 10px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--white);
    color: var(--primary);
    font-size: .70rem;
    font-weight: 700;
}

.packaging-inline {
    margin-bottom: 12px;
}

.packaging-inline span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border: 1px solid rgba(22,121,87,.14);
    border-radius: 7px;
    background: var(--green-soft);
    color: var(--green);
    font-size: .72rem;
    font-weight: 800;
}

.specs-table {
    overflow: hidden;
    margin-bottom: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--white);
}

.spec-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 10px 15px;
    border-bottom: 1px solid var(--border);
    font-size: .78rem;
}

.spec-row:last-child {
    border-bottom: 0;
}

.spec-row:nth-child(even) {
    background: rgba(247,249,251,.75);
}

.spec-row span:first-child {
    color: var(--muted);
    font-weight: 600;
}

.spec-row span:last-child {
    color: var(--primary);
    font-weight: 800;
    text-align: right;
}

.coa-note {
    margin: 14px 0;
    padding: 11px 14px;
    border-left: 3px solid var(--gold);
    border-radius: 7px;
    background: var(--gold-soft);
    color: var(--primary);
    font-size: .76rem;
    line-height: 1.65;
}

.coa-note i {
    margin-right: 5px;
    color: var(--gold-2);
}

.grade-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.grade-card {
    padding: 15px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--white);
}

.grade-card h5 {
    margin-bottom: 7px;
    padding-bottom: 7px;
    border-bottom: 1px solid var(--border);
    color: var(--primary);
    font-size: .83rem;
}

.grade-card p {
    margin-bottom: 2px;
    color: var(--muted);
    font-size: .73rem;
    line-height: 1.55;
}

.grade-card p strong {
    color: var(--primary);
}

.grade-use {
    margin-top: 8px !important;
    padding-top: 7px;
    border-top: 1px dashed var(--border);
    color: var(--green) !important;
    font-weight: 700 !important;
}

.product-cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
}

/* ============================================================
   20. PACKAGING
   ============================================================ */
.packaging-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.packaging-card {
    padding: 30px 23px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--white);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.packaging-card:hover {
    transform: translateY(-4px);
    border-color: rgba(22,121,87,.25);
    box-shadow: var(--shadow-md);
}

.packaging-icon {
    width: 58px;
    height: 58px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    border-radius: 14px;
    background: var(--green-soft);
    color: var(--green);
    font-size: 1.35rem;
}

.packaging-card h3 {
    margin-bottom: 7px;
    color: var(--primary);
    font-size: 1.05rem;
}

.packaging-card p {
    margin: 0;
    color: var(--muted);
    font-size: .80rem;
    line-height: 1.65;
}

/* ============================================================
   21. FAQ
   ============================================================ */
.faq-section {
    background: var(--surface);
}

.faq-grid {
    max-width: 850px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.faq-item {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--white);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item:hover,
.faq-item.active {
    border-color: rgba(22,121,87,.28);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    min-height: 58px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    padding: 15px 18px;
    background: transparent;
    color: var(--primary);
    text-align: left;
    font-size: .84rem;
    font-weight: 800;
}

.faq-question i {
    flex: 0 0 auto;
    color: var(--green);
    transition: transform .3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 18px;
    color: var(--muted);
    font-size: .80rem;
    line-height: 1.7;
    transition: max-height .35s ease, padding .35s ease;
}

.faq-item.active .faq-answer {
    max-height: 320px;
    padding: 0 18px 17px;
}

/* ============================================================
   22. CONTACT STRIP
   ============================================================ */
.contact-strip {
    padding: 24px 0;
    border-bottom: 1px solid var(--border);
    background: var(--white);
    box-shadow: 0 5px 16px rgba(8,26,44,.04);
}

.contact-strip-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.contact-strip-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    transition: all var(--transition);
}

.contact-strip-item:hover {
    border-color: rgba(22,121,87,.25);
    background: var(--white);
    box-shadow: var(--shadow-sm);
}

.strip-icon {
    width: 42px;
    height: 42px;
    display: flex;
    flex: 0 0 42px;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--green-soft);
    color: var(--green);
}

.strip-icon.whatsapp-icon {
    background: rgba(32,199,107,.11);
    color: #16a856;
}

.contact-strip-item strong {
    display: block;
    margin-bottom: 2px;
    color: var(--primary);
    font-size: .78rem;
}

.contact-strip-item span {
    display: block;
    color: var(--muted);
    font-size: .70rem;
}

/* ============================================================
   23. CONTACT FORM
   ============================================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 34px;
    align-items: start;
}

.contact-form-wrapper {
    padding: 32px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--white);
    box-shadow: var(--shadow-md);
}

.form-title {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 23px;
    padding-bottom: 13px;
    border-bottom: 1px solid var(--border);
    color: var(--primary);
    font-size: 1.1rem;
    font-weight: 800;
}

.form-title i {
    color: var(--green);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--primary);
    font-size: .76rem;
    font-weight: 800;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 11px 13px;
    border: 1px solid var(--border);
    border-radius: 8px;
    outline: none;
    background: var(--white);
    color: var(--text);
    font-size: .84rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #a1aab5;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(22,121,87,.09);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 13px;
}

.form-note {
    margin-top: 10px;
    color: var(--muted);
    font-size: .70rem;
    text-align: center;
}

.form-note i {
    margin-right: 4px;
    color: var(--green);
}

.contact-info-wrapper {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-info-card {
    padding: 26px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
}

.contact-info-card h3 {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 19px;
    padding-bottom: 11px;
    border-bottom: 1px solid var(--border);
    color: var(--primary);
    font-size: 1rem;
}

.contact-info-card h3 i {
    color: var(--green);
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.contact-info-item:last-child {
    margin-bottom: 0;
}

.contact-info-item i {
    width: 20px;
    flex: 0 0 20px;
    margin-top: 3px;
    color: var(--green);
    font-size: .95rem;
}

.contact-info-item strong {
    display: block;
    margin-bottom: 2px;
    color: var(--primary);
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .5px;
    text-transform: uppercase;
}

.contact-info-item p {
    margin: 0;
    color: var(--muted);
    font-size: .80rem;
    line-height: 1.6;
}

.contact-info-item p a {
    color: var(--green);
    font-weight: 700;
}

.contact-info-item p a:hover {
    color: var(--gold-2);
}

.quick-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.quick-actions .btn {
    min-height: 44px;
    padding: 10px 15px;
    font-size: .78rem;
}

.reg-info-card {
    padding: 23px;
    border-radius: var(--radius-lg);
    background: linear-gradient(145deg, var(--primary), var(--primary-2));
    color: var(--white);
}

.reg-info-card h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 13px;
    color: var(--gold);
    font-size: .88rem;
}

.reg-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,.08);
    font-size: .72rem;
}

.reg-row:last-child {
    border-bottom: 0;
}

.reg-row span {
    color: rgba(255,255,255,.55);
}

.reg-row strong {
    color: var(--white);
    font: 700 .72rem "Courier New", monospace;
    text-align: right;
}

/* ============================================================
   24. MAP
   ============================================================ */
.map-section {
    padding: 20px 0 70px;
    background: var(--white);
}

.map-wrapper {
    overflow: hidden;
    aspect-ratio: 16 / 8;
    margin-bottom: 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-md);
}

.map-wrapper iframe {
    width: 100%;
    height: 100%;
    display: block;
    border: 0;
}

.map-actions {
    display: flex;
    justify-content: center;
    gap: 10px;
}

/* ============================================================
   25. PROCESS
   ============================================================ */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.process-card {
    position: relative;
    padding: 27px 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--white);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.process-number {
    position: absolute;
    top: 12px;
    right: 13px;
    color: #c7ced7;
    font-size: .72rem;
    font-weight: 800;
}

.process-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
    border-radius: 12px;
    background: var(--green-soft);
    color: var(--green);
}

.process-card h3 {
    margin-bottom: 7px;
    color: var(--primary);
    font-size: .92rem;
}

.process-card p {
    margin: 0;
    color: var(--muted);
    font-size: .75rem;
    line-height: 1.6;
}

/* ============================================================
   26. CTA BANNER
   ============================================================ */
.cta-banner {
    position: relative;
    overflow: hidden;
    padding: 74px 0;
    background: var(--primary);
}

.cta-banner::before {
    content: "";
    position: absolute;
    top: -180px;
    right: -100px;
    width: 390px;
    height: 390px;
    border: 1px solid rgba(213,173,53,.13);
    border-radius: 50%;
}

.cta-banner::after {
    content: "";
    position: absolute;
    left: -150px;
    bottom: -220px;
    width: 420px;
    height: 420px;
    border: 1px solid rgba(22,121,87,.14);
    border-radius: 50%;
}

.cta-container {
    position: relative;
    z-index: 2;
    text-align: center;
}

.cta-content h2 {
    margin-bottom: 12px;
    color: var(--white);
    font-size: clamp(1.8rem, 3vw, 2.65rem);
    line-height: 1.15;
    font-weight: 800;
}

.cta-content h2 span {
    color: var(--gold);
}

.cta-content p {
    max-width: 650px;
    margin: 0 auto 27px;
    color: rgba(255,255,255,.66);
    font-size: .91rem;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

/* ============================================================
   27. FOOTER
   ============================================================ */
.footer {
    padding-top: 62px;
    background: #061522;
    color: rgba(255,255,255,.72);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.35fr .75fr 1fr 1.05fr;
    gap: 42px;
    padding-bottom: 42px;
}

.footer-col .logo {
    margin-bottom: 17px;
}

.footer-col .logo img {
    width: auto;
    height: 44px;
    max-width: 205px;
}

.footer-col > p {
    max-width: 360px;
    margin-bottom: 20px;
    color: rgba(255,255,255,.54);
    font-size: .76rem;
    line-height: 1.75;
}

.footer-col h4 {
    position: relative;
    margin-bottom: 18px;
    padding-bottom: 10px;
    color: var(--white);
    font-size: .80rem;
    font-weight: 800;
    letter-spacing: .4px;
}

.footer-col h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 26px;
    height: 2px;
    border-radius: 999px;
    background: var(--gold);
}

.footer-col ul li {
    margin-bottom: 9px;
}

.footer-col ul li a {
    color: rgba(255,255,255,.53);
    font-size: .75rem;
    transition: color var(--transition);
}

.footer-col ul li a:hover {
    color: var(--gold);
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    color: rgba(255,255,255,.53);
    font-size: .73rem;
    line-height: 1.6;
}

.footer-contact li i {
    width: 15px;
    flex: 0 0 15px;
    margin-top: 3px;
    color: var(--gold);
}

.footer-contact li a {
    color: inherit;
}

.footer-social {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-social a,
.footer-social > span {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,.11);
    border-radius: 8px;
    background: rgba(255,255,255,.035);
    color: rgba(255,255,255,.60);
    font-size: .78rem;
    transition: all var(--transition);
}

.footer-social a:hover {
    border-color: var(--gold);
    background: var(--gold);
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
}

.footer-bottom .container {
    min-height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.footer-bottom p {
    margin: 0;
    color: rgba(255,255,255,.39);
    font-size: .67rem;
    line-height: 1.6;
}

.footer-bottom a {
    color: var(--gold);
}

/* ============================================================
   28. WHATSAPP FLOAT
   ============================================================ */
.whatsapp-float {
    position: fixed;
    right: 22px;
    bottom: 24px;
    z-index: 9995;
    width: 55px;
    height: 55px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #20c76b;
    color: var(--white);
    font-size: 1.75rem;
    box-shadow: 0 10px 28px rgba(20,150,79,.30);
    transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-float:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(20,150,79,.38);
}

.whatsapp-tooltip {
    position: absolute;
    right: 67px;
    top: 50%;
    padding: 8px 11px;
    border-radius: 7px;
    background: var(--primary);
    color: var(--white);
    font-size: .68rem;
    font-weight: 700;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-50%) translateX(5px);
    transition: all var(--transition);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

.whatsapp-tooltip::after {
    content: "";
    position: absolute;
    right: -5px;
    top: 50%;
    width: 0;
    height: 0;
    border-left: 5px solid var(--primary);
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    transform: translateY(-50%);
}

/* ============================================================
   29. BACK TO TOP
   ============================================================ */
.back-to-top {
    position: fixed;
    left: 22px;
    bottom: 24px;
    z-index: 9994;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(213,173,53,.20);
    border-radius: 50%;
    background: var(--primary);
    color: var(--gold);
    font-size: .95rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    box-shadow: var(--shadow-md);
    transition: all var(--transition);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--green);
    color: var(--white);
    transform: translateY(-3px);
}

/* ============================================================
   30. IMAGE PLACEHOLDER
   ============================================================ */
.img-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-2);
    color: var(--muted);
}

.img-placeholder::before {
    content: "Product Image";
    font-size: .76rem;
    font-weight: 700;
}

/* ============================================================
   31. TABLET — ≤ 1024px
   ============================================================ */
@media (max-width: 1024px) {
    :root {
        --container: 960px;
    }

    .section-padding {
        padding: 68px 0;
    }

    .header-container {
        min-height: 70px;
    }

    .nav-list {
        gap: 23px;
    }

    .nav-list a {
        min-height: 70px;
        font-size: .81rem;
    }

    .nav-list a::after {
        bottom: 15px;
    }

    .header-phone {
        font-size: .78rem;
    }

    .categories-grid,
    .services-grid,
    .products-grid,
    .why-grid,
    .mv-grid,
    .team-grid,
    .packaging-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .story-grid {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .story-image {
        max-width: 720px;
        width: 100%;
        margin-inline: auto;
    }

    .product-detail-grid,
    .product-detail.alt .product-detail-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .product-detail-image {
        position: relative;
        top: auto;
        max-width: 650px;
        width: 100%;
        margin-inline: auto;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-info-wrapper {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .reg-info-card {
        grid-column: 1 / -1;
    }

    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 35px;
    }

    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .quick-nav {
        top: 70px;
    }
}

/* ============================================================
   32. MOBILE NAV — ≤ 768px
   ============================================================ */
@media (max-width: 768px) {
    .container {
        width: min(100% - 32px, 680px);
    }

    .section-padding {
        padding: 54px 0;
    }

    .section-header {
        margin-bottom: 35px;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .section-header p {
        font-size: .86rem;
    }

    /* Header */
    .header-container {
        min-height: 64px;
        gap: 10px;
    }

    .logo img {
        height: 40px;
        max-width: 175px;
    }

    .header-phone {
        display: none;
    }

    .hamburger {
        display: flex;
        position: relative;
        z-index: 1003;
    }

    /* Mobile menu: full-width dropdown inside the page/header */
    .header {
        position: sticky;
    }

    .header-container {
        position: relative;
    }

    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        width: 100%;
        max-width: none;
        height: auto;
        max-height: calc(100dvh - 64px);
        display: block;
        padding: 18px 20px 22px;
        background: var(--primary);
        border-top: 1px solid rgba(213,173,53,.18);
        border-left: 0;
        border-bottom: 1px solid rgba(213,173,53,.18);
        box-shadow: 0 18px 32px rgba(0,0,0,.20);
        transform: translateY(-12px);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
        overflow-y: auto;
        z-index: 1002;
    }

    .nav.active,
    .nav.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .nav::before {
        content: "MENU";
        display: block;
        margin-bottom: 22px;
        color: var(--gold);
        font-size: .67rem;
        font-weight: 800;
        letter-spacing: 2px;
    }

    .nav-list {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
    }

    .nav-list a {
        min-height: 0;
        display: flex;
        padding: 14px 4px;
        border-bottom: 1px solid rgba(255,255,255,.08);
        color: rgba(255,255,255,.74);
        font-size: .95rem;
    }

    .nav-list a::after {
        left: auto;
        right: 4px;
        bottom: 0;
        width: 28px;
        transform-origin: right;
    }

    .nav-list a.active {
        color: var(--white);
    }

    .hamburger.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* Hero */
    .hero-slider {
        height: clamp(390px, 62vh, 520px);
    }

    .slide::after {
        background: linear-gradient(
            90deg,
            rgba(4,17,29,.76) 0%,
            rgba(4,17,29,.48) 65%,
            rgba(4,17,29,.22) 100%
        );
    }

    .slide-content {
        width: calc(100% - 36px);
        margin-left: 18px;
        padding-top: 60px;
    }

    .slide-title {
        max-width: 570px;
        font-size: clamp(2rem, 8vw, 3.15rem);
        letter-spacing: -1px;
    }

    .slide-description {
        max-width: 520px;
        font-size: .84rem;
    }

    .slider-arrow {
        width: 38px;
        height: 38px;
    }

    .slider-arrow.prev { left: 10px; }
    .slider-arrow.next { right: 10px; }

    .slider-counter {
        right: 14px;
        bottom: 15px;
    }

    .slider-dots {
        bottom: 15px;
    }

    /* Stats */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-item {
        min-height: 88px;
    }

    .stat-item:nth-child(3)::before {
        display: none;
    }

    .stat-number {
        font-size: 1.65rem;
    }

    /* Grids */
    .categories-grid,
    .services-grid,
    .products-grid,
    .why-grid,
    .mv-grid,
    .team-grid,
    .packaging-grid,
    .process-grid,
    .cert-grid {
        grid-template-columns: 1fr;
    }

    .category-card,
    .service-card {
        min-height: 0;
    }

    /* About */
    .about-hero {
        min-height: 450px;
        height: 57vh;
    }

    .about-hero .hero-content {
        padding-top: 58px;
    }

    .about-hero h1 {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .about-hero p {
        font-size: .84rem;
    }

    .about-snapshot-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-snapshot-item:nth-child(3)::before {
        display: none;
    }

    .about-snapshot-item:nth-child(-n+2) {
        border-bottom: 1px solid rgba(255,255,255,.10);
    }

    /* Products */
    .quick-nav {
        top: 64px;
        padding: 10px 0;
    }

    .product-detail {
        padding: 50px 0;
    }

    .product-detail.alt {
        padding: 34px 22px;
    }

    .product-detail-image {
        max-width: 580px;
    }

    .grade-grid {
        grid-template-columns: 1fr;
    }

    /* Contact */
    .contact-strip-grid {
        grid-template-columns: 1fr 1fr;
    }

    .contact-info-wrapper {
        grid-template-columns: 1fr;
    }

    .reg-info-card {
        grid-column: auto;
    }

    .contact-form-wrapper {
        padding: 25px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .map-wrapper {
        aspect-ratio: 4 / 3;
    }

    .map-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .map-actions .btn {
        width: 100%;
    }

    /* CTA */
    .cta-banner {
        padding: 55px 0;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
        max-width: 420px;
        margin-inline: auto;
    }

    .cta-buttons .btn {
        width: 100%;
    }

    /* Footer */
    .footer-container {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .footer-bottom .container {
        padding-top: 15px;
        padding-bottom: 15px;
    }

    /* Floating buttons */
    .whatsapp-float {
        right: 15px;
        bottom: 17px;
        width: 51px;
        height: 51px;
        font-size: 1.55rem;
    }

    .whatsapp-tooltip {
        display: none;
    }

    .back-to-top {
        left: 15px;
        bottom: 17px;
        width: 41px;
        height: 41px;
    }
}

/* ============================================================
   33. SMALL MOBILE — ≤ 480px
   ============================================================ */
@media (max-width: 480px) {
    .container {
        width: calc(100% - 28px);
    }

    .section-padding {
        padding: 43px 0;
    }

    .section-header {
        margin-bottom: 29px;
    }

    .section-header h2 {
        font-size: 1.52rem;
    }

    .section-tag {
        font-size: .61rem;
        letter-spacing: 1.35px;
    }

    .btn {
        min-height: 43px;
        padding: 10px 16px;
        font-size: .79rem;
    }

    .logo img {
        height: 35px;
        max-width: 155px;
    }

    .header-container {
        min-height: 58px;
    }

    .hamburger {
        width: 39px;
        height: 39px;
    }

    .hero-slider {
        height: 48vh;
        min-height: 320px;
        max-height: 420px;
    }

    .slide-content {
        width: calc(100% - 32px);
        margin-left: 16px;
        padding-top: 50px;
    }

    .slide-badge,
    .slide-eyebrow {
        margin-bottom: 13px;
        padding: 6px 10px;
        font-size: .57rem;
    }

    .slide-title {
        margin-bottom: 12px;
        font-size: clamp(1.75rem, 9vw, 2.5rem);
    }

    .slide-description {
        margin-bottom: 17px;
        font-size: .77rem;
        line-height: 1.6;
    }

    .slide-buttons {
        gap: 7px;
    }

    .slider-counter {
        display: none;
    }

    .slider-dots {
        bottom: 10px;
    }

    .slider-arrow {
        width: 33px;
        height: 33px;
        font-size: .78rem;
    }

    .stats-grid {
        gap: 0;
    }

    .stat-item {
        min-height: 78px;
        padding: 10px 4px;
    }

    .stat-number {
        font-size: 1.35rem;
    }

    .stat-label {
        font-size: .58rem;
        letter-spacing: .8px;
    }

    .category-card,
    .service-card,
    .why-card,
    .mv-card,
    .team-card,
    .packaging-card {
        padding: 23px 18px;
    }

    .product-info {
        padding: 18px;
    }

    .product-number-badge,
    .product-number {
        width: 34px;
        height: 34px;
        top: 10px;
        left: 10px;
        font-size: .68rem;
    }

    .product-info h3 {
        font-size: .98rem;
    }

    .product-desc {
        font-size: .76rem;
    }

    .about-hero {
        min-height: 420px;
        height: 55vh;
    }

    .about-hero .hero-content {
        padding-top: 48px;
    }

    .about-hero h1 {
        font-size: clamp(1.8rem, 9vw, 2.55rem);
    }

    .about-hero p {
        font-size: .78rem;
    }

    .about-hero .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        max-width: 280px;
    }

    .about-hero .hero-buttons .btn {
        width: 100%;
    }

    .story-image {
        min-height: 275px;
    }

    .story-image img {
        min-height: 275px;
    }

    .about-snapshot-number {
        font-size: 1.45rem;
    }

    .about-snapshot-label {
        font-size: .64rem;
    }

    .team-avatar {
        width: 88px;
        height: 88px;
    }

    .cert-card {
        min-height: 150px;
    }

    .product-detail.alt {
        padding: 28px 16px;
    }

    .product-detail-content h2 {
        font-size: 1.42rem;
    }

    .product-lead {
        font-size: .81rem;
    }

    .spec-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 3px;
        font-size: .72rem;
    }

    .spec-row span:last-child {
        text-align: left;
    }

    .product-cta-row {
        flex-direction: column;
    }

    .product-cta-row .btn {
        width: 100%;
    }

    .contact-strip-grid {
        grid-template-columns: 1fr;
    }

    .contact-form-wrapper {
        padding: 20px 17px;
    }

    .contact-info-card {
        padding: 20px 17px;
    }

    .quick-actions {
        grid-template-columns: 1fr;
    }

    .reg-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 3px;
    }

    .reg-row strong {
        text-align: left;
    }

    .map-wrapper {
        aspect-ratio: 1 / 1;
    }

    .cta-content h2 {
        font-size: 1.48rem;
    }

    .cta-content p {
        font-size: .80rem;
    }

    .footer {
        padding-top: 45px;
    }

    .footer-bottom p {
        font-size: .60rem;
    }

    .footer-social a,
    .footer-social > span {
        width: 32px;
        height: 32px;
    }
}

/* ============================================================
   34. REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
    }
}

/* ============================================================
   35. PRINT
   ============================================================ */
@media print {
    .header,
    .hero-slider,
    .whatsapp-float,
    .back-to-top,
    .cta-banner,
    .footer-social,
    .quick-nav {
        display: none !important;
    }

    body {
        color: #000;
        background: #fff;
    }

    .section-padding {
        padding: 30px 0;
    }
}