/* ============================================
   BAC WATER SUPPLIER — Premium Design System
   ============================================ */

/* --- CSS Variables --- */
:root {
    --bg: #ffffff;
    --bg-alt: #f7f8fa;
    --bg-dark: #0a0f1a;
    --bg-card: #ffffff;
    --text-primary: #0c1222;
    --text-secondary: #5a5f6b;
    --text-muted: #8c919d;
    --accent: #1b3a5c;
    --accent-light: #2a5a8c;
    --accent-surface: #f0f4f8;
    --border: #e8eaee;
    --border-light: #f0f1f3;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.03);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.06), 0 1px 4px rgba(0,0,0,0.04);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.1), 0 8px 20px rgba(0,0,0,0.06);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
    --whatsapp: #25d366;
    --whatsapp-dark: #128c7e;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition);
}

ul { list-style: none; }

.container {
    width: 100%;
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Typography --- */
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
}

.section-tag-light { color: rgba(255,255,255,0.7); }
.section-tag-light::before { background: rgba(255,255,255,0.4); }

.section-title {
    font-family: var(--font-sans);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    line-height: 1.15;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.section-title-light { color: #ffffff; }

.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 640px;
    line-height: 1.7;
}

.section-desc-light { color: rgba(255,255,255,0.75); }

.section-header {
    margin-bottom: 56px;
}

.section-header-light .section-desc { margin: 0 auto; }
.section-header-light { text-align: center; }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.02em;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    text-decoration: none;
}

.btn-sm { padding: 8px 18px; font-size: 0.8125rem; }
.btn-md { padding: 10px 24px; }
.btn-lg { padding: 14px 32px; font-size: 0.9375rem; }
.btn-block { width: 100%; }

.btn-primary {
    background: var(--accent);
    color: #ffffff;
}

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(27, 58, 92, 0.3);
}

.btn-whatsapp {
    background: var(--whatsapp);
    color: #ffffff;
}

.btn-whatsapp:hover {
    background: var(--whatsapp-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
}

/* --- Reveal Animation --- */
.reveal-up {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-up.revealed {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ============================================
   HEADER
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    transition: all var(--transition);
}

.site-header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-mark {
    width: 36px;
    height: 36px;
    color: var(--accent);
}

.logo-mark svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-name {
    font-family: var(--font-sans);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.logo-tagline {
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

/* Nav */
.main-nav {
    display: flex;
    gap: 6px;
}

.nav-link {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent);
    background: var(--accent-surface);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-whatsapp-header {
    background: var(--whatsapp);
    color: #ffffff;
}

.btn-whatsapp-header:hover {
    background: var(--whatsapp-dark);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition);
    border-radius: 2px;
}

.mobile-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translateY(5px);
}

.mobile-toggle.open span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translateY(-5px);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 72px;
}

.hero-bg-layer {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg-layer img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.93) 0%, rgba(255,255,255,0.82) 45%, rgba(255,255,255,0.55) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 60px;
    align-items: center;
    max-width: 1320px;
    margin: 0 auto;
    padding: 60px 24px 80px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-surface);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--whatsapp);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-title {
    font-family: var(--font-sans);
    font-size: clamp(2.2rem, 4.5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.12;
    color: var(--text-primary);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.text-accent {
    color: var(--accent);
}

.hero-sub {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-ctas {
    display: flex;
    gap: 14px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
    position: relative;
}

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

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.6875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 36px;
    background: var(--border);
}

/* Hero Card */
.hero-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-light);
}

.hero-card-image {
    height: 220px;
    overflow: hidden;
}

.hero-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-card-body {
    padding: 28px;
}

.hero-card-body h3 {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.hero-card-body p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

/* ============================================
   TRUST BAR
   ============================================ */
.trust-bar {
    background: var(--bg-dark);
    padding: 0;
    border-bottom: 3px solid var(--accent);
}

.trust-bar-inner {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    max-width: 1320px;
    margin: 0 auto;
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 28px 16px;
    text-align: center;
    border-right: 1px solid rgba(255,255,255,0.06);
    transition: background var(--transition);
}

.trust-item:last-child {
    border-right: none;
}

.trust-item:hover {
    background: rgba(255,255,255,0.04);
}

.trust-icon {
    width: 28px;
    height: 28px;
    color: var(--accent-light);
}

.trust-icon svg {
    width: 100%;
    height: 100%;
}

.trust-item span {
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255,255,255,0.8);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ============================================
   ABOUT PRODUCT
   ============================================ */
.about-product {
    position: relative;
    padding: 120px 0;
    overflow: hidden;
}

.about-product-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.about-product-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-product-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(247,248,250,0.97) 100%);
}

.about-product .container {
    position: relative;
    z-index: 1;
}

.about-product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.about-text {
    grid-column: 1;
    grid-row: 1;
}

.lead-text {
    font-size: 1.1875rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.75;
}

.about-image {
    grid-column: 2;
    grid-row: 1;
}

.about-img-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-img-wrapper img {
    width: 100%;
    height: 360px;
    object-fit: cover;
}

.about-img-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    background: rgba(27, 58, 92, 0.92);
    backdrop-filter: blur(8px);
    color: #ffffff;
    font-size: 0.8125rem;
    font-weight: 600;
}

.about-img-caption svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.about-highlights {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 16px;
}

.highlight-item {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}

.highlight-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}

.highlight-number {
    font-family: var(--font-sans);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    opacity: 0.3;
    flex-shrink: 0;
}

.highlight-content h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.highlight-content p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   PRODUCT SPECS
   ============================================ */
.product-specs {
    padding: 120px 0;
    background: var(--bg-alt);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.spec-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 32px;
    border: 1px solid var(--border-light);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.spec-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.spec-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.spec-card:hover::after {
    transform: scaleX(1);
}

.spec-icon {
    width: 44px;
    height: 44px;
    padding: 10px;
    background: var(--accent-surface);
    border-radius: var(--radius-sm);
    color: var(--accent);
    margin-bottom: 20px;
}

.spec-icon svg {
    width: 100%;
    height: 100%;
}

.spec-title {
    font-family: var(--font-sans);
    font-size: 1.1875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.spec-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.spec-detail {
    display: flex;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid var(--border-light);
    font-size: 0.8125rem;
}

.spec-detail span:first-child {
    color: var(--text-muted);
    font-weight: 500;
}

.spec-detail span:last-child {
    color: var(--accent);
    font-weight: 600;
}

/* ============================================
   WHY CHOOSE US
   ============================================ */
.why-choose {
    padding: 120px 0;
    background: var(--bg-alt);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.why-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 36px 28px 28px;
    transition: all var(--transition);
    overflow: hidden;
}

.why-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.why-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.why-card:hover::before {
    transform: scaleX(1);
}

.why-card-num {
    font-family: var(--font-sans);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-surface);
    position: absolute;
    top: 12px;
    right: 20px;
    line-height: 1;
    transition: color 0.3s ease;
}

.why-card:hover .why-card-num {
    color: rgba(27, 58, 92, 0.1);
}

.why-card-content {
    position: relative;
    z-index: 1;
}

.why-card-content h3 {
    font-family: var(--font-sans);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.why-card-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.why-card-icon {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    color: var(--accent-surface);
    transition: color 0.3s ease;
}

.why-card:hover .why-card-icon {
    color: rgba(27, 58, 92, 0.12);
}

.why-card-icon svg {
    width: 100%;
    height: 100%;
}

/* ============================================
   MANUFACTURING
   ============================================ */
.manufacturing {
    padding: 120px 0;
    background: var(--bg);
}

.manufacturing-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.manufacturing-left {
    position: sticky;
    top: 100px;
}

.manufacturing-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 32px;
}

.manufacturing-features {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.mfg-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    padding: 12px 16px;
    background: var(--accent-surface);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.mfg-feature:hover {
    background: var(--accent);
    color: #ffffff;
}

.mfg-feature svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: var(--accent);
}

.mfg-feature:hover svg {
    color: #ffffff;
}

/* Process Timeline */
.process-timeline {
    position: relative;
    padding-left: 40px;
}

.timeline-line {
    position: absolute;
    left: 14px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent) 0%, var(--border) 100%);
}

.timeline-step {
    position: relative;
    margin-bottom: 40px;
}

.timeline-step:last-child {
    margin-bottom: 0;
}

.step-marker {
    position: absolute;
    left: -40px;
    top: 8px;
    width: 28px;
    height: 28px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    border: 3px solid var(--bg);
}

.step-marker span {
    font-size: 0.625rem;
    font-weight: 800;
    color: #ffffff;
}

.step-content {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.step-content:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.step-content img {
    width: 100%;
    height: 160px;
    object-fit: cover;
}

.step-content h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    padding: 16px 20px 8px;
}

.step-content p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    padding: 0 20px 16px;
    line-height: 1.6;
}

/* ============================================
   QUALITY SECTION
   ============================================ */
.quality-section {
    position: relative;
    padding: 120px 0;
    overflow: hidden;
}

.quality-bg {
    position: absolute;
    inset: 0;
}

.quality-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.quality-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10,15,26,0.93) 0%, rgba(27,58,92,0.9) 100%);
}

.quality-section .container {
    position: relative;
    z-index: 1;
}

.quality-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.quality-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
}

.quality-card:hover {
    transform: translateY(-6px);
}

.quality-card-inner {
    position: relative;
    height: 420px;
    overflow: hidden;
}

.quality-card-inner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.quality-card:hover .quality-card-inner img {
    transform: scale(1.05);
}

.quality-card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 28px;
    background: linear-gradient(0deg, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.4) 60%, transparent 100%);
}

.quality-card-content h3 {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 8px;
}

.quality-card-content p {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
}

/* ============================================
   EXPORT MARKETS
   ============================================ */
.exports {
    padding: 120px 0;
    background: var(--bg-alt);
}

.exports-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.export-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}

.export-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.export-card-img {
    height: 180px;
    overflow: hidden;
}

.export-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.export-card:hover .export-card-img img {
    transform: scale(1.06);
}

.export-card-body {
    padding: 20px;
}

.export-card-body h3 {
    font-family: var(--font-sans);
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.export-card-body p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   PRODUCT NOTE
   ============================================ */
.product-note {
    padding: 0;
    background: var(--bg);
}

.note-card {
    display: flex;
    gap: 20px;
    padding: 32px;
    background: var(--accent-surface);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--accent);
}

.note-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--accent);
}

.note-icon svg {
    width: 100%;
    height: 100%;
}

.note-content h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.note-content p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.note-content a {
    color: var(--accent);
    font-weight: 500;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.note-content a:hover {
    color: var(--accent-light);
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
    padding: 120px 0;
    background: var(--bg);
}

.contact-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.contact-detail-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9375rem;
    color: var(--text-primary);
    padding: 12px 16px;
    background: var(--accent-surface);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.contact-detail-item:hover {
    background: var(--accent);
    color: #ffffff;
}

.contact-detail-item svg {
    width: 20px;
    height: 20px;
    color: var(--accent);
    flex-shrink: 0;
    transition: color 0.3s ease;
}

.contact-detail-item:hover svg {
    color: #ffffff;
}

.contact-whatsapp-block {
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.whatsapp-note {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 10px;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

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

.form-group label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.required {
    color: #ef4444;
}

.form-group input,
.form-group textarea {
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    padding: 12px 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    outline: none;
    transition: all var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(27, 58, 92, 0.08);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-submit {
    margin-top: 8px;
}

.form-submit svg {
    width: 18px;
    height: 18px;
}

.form-note {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 14px;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--bg-dark);
    color: #ffffff;
}

.footer-top {
    padding: 64px 0 48px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand .logo-name {
    color: #ffffff;
}

.footer-brand .logo-mark {
    color: var(--accent-light);
}

.footer-about {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.55);
    line-height: 1.7;
}

.footer-col h4 {
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.85);
    margin-bottom: 20px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col ul li a {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.5);
    transition: color var(--transition);
}

.footer-col ul li a:hover {
    color: #ffffff;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.55);
}

.footer-contact li svg {
    width: 16px;
    height: 16px;
    color: var(--accent-light);
    flex-shrink: 0;
}

.footer-bottom {
    padding: 20px 0;
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.35);
}

.footer-disclaimer {
    max-width: 500px;
    text-align: right;
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 60px;
    height: 60px;
    background: var(--whatsapp);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 24px rgba(37, 211, 102, 0.35);
    z-index: 9999;
    transition: background 0.3s ease, box-shadow 0.3s ease;
    animation: float-bounce 3s ease-in-out infinite;
}

.whatsapp-float:hover {
    background: var(--whatsapp-dark);
    box-shadow: 0 6px 32px rgba(37, 211, 102, 0.45);
    animation-play-state: paused;
}

@keyframes float-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.whatsapp-float:hover {
    background: var(--whatsapp-dark);
    transform: scale(1.08);
    box-shadow: 0 6px 32px rgba(37, 211, 102, 0.45);
}

.whatsapp-pulse {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 2px solid var(--whatsapp);
    animation: wp-pulse 2s infinite;
}

@keyframes wp-pulse {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(1.4); opacity: 0; }
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-right {
        max-width: 380px;
    }

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

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

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

    .quality-grid .quality-card:last-child {
        grid-column: 1 / -1;
        max-width: 50%;
        margin: 0 auto;
    }

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .contact-split {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .manufacturing-split {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .manufacturing-left {
        position: static;
    }

    .about-product-grid {
        grid-template-columns: 1fr;
    }

    .about-image {
        grid-column: 1;
        grid-row: auto;
    }

    .about-text {
        grid-column: 1;
        grid-row: auto;
    }

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

/* Mobile */
@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
    }

    .main-nav.open {
        display: flex;
    }

    .nav-link {
        padding: 12px 16px;
        font-size: 0.9375rem;
    }

    .header-actions {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .hero-content {
        padding: 40px 24px 60px;
    }

    .hero-title {
        font-size: clamp(1.8rem, 7vw, 2.5rem);
    }

    .hero-ctas {
        flex-direction: column;
    }

    .hero-ctas .btn {
        width: 100%;
    }

    .hero-stats {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
        align-items: center;
        padding-top: 24px;
        border-top: 1px solid var(--border);
    }

    .hero-stats::before {
        display: none;
    }

    .stat-divider {
        display: none;
    }

    .stat-item {
        text-align: center;
        padding: 12px 4px;
        background: rgba(255,255,255,0.7);
        border-radius: var(--radius-sm);
        border: 1px solid var(--border-light);
    }

    .stat-number {
        font-size: 1.25rem;
    }

    .stat-label {
        font-size: 0.625rem;
    }

    .hero-right {
        max-width: 100%;
    }

    .trust-bar-inner {
        grid-template-columns: repeat(3, 1fr);
    }

    .trust-item:nth-child(4),
    .trust-item:nth-child(5),
    .trust-item:nth-child(6) {
        border-top: 1px solid rgba(255,255,255,0.06);
    }

    .trust-item {
        padding: 20px 12px;
    }

    .trust-item span {
        font-size: 0.6875rem;
    }

    .about-highlights {
        grid-template-columns: 1fr;
    }

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

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

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

    .quality-grid .quality-card:last-child {
        max-width: 100%;
    }

    .quality-card-inner {
        height: 300px;
    }

    .exports-cards {
        grid-template-columns: 1fr;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom .container {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

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

    .section-title {
        font-size: clamp(1.6rem, 6vw, 2.2rem);
    }

    .note-card {
        flex-direction: column;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 56px;
        height: 56px;
    }

    .contact-form-wrapper {
        padding: 24px;
    }

    .process-timeline {
        padding-left: 32px;
    }

    .timeline-line {
        left: 10px;
    }

    .step-marker {
        left: -32px;
        width: 24px;
        height: 24px;
    }

    .step-marker span {
        font-size: 0.5625rem;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .trust-bar-inner {
        grid-template-columns: repeat(2, 1fr);
    }

    .trust-item {
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.06);
    }

    .trust-item:nth-child(odd) {
        border-right: 1px solid rgba(255,255,255,0.06);
    }

    .hero-card-image {
        height: 180px;
    }

    .about-img-wrapper img {
        height: 260px;
    }

    .step-content img {
        height: 140px;
    }

    .export-card-img {
        height: 150px;
    }
}

/* ============================================
   PREMIUM ANIMATIONS
   ============================================ */

/* --- Section Tag Line Grow --- */
.section-tag::before {
    content: '';
    width: 32px;
    height: 2px;
    background: var(--accent);
    flex-shrink: 0;
    max-width: 0;
    overflow: hidden;
    transition: max-width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.section-tag.revealed::before {
    max-width: 32px;
}

/* --- Text Clip Reveal for Section Titles --- */
.section-title {
    clip-path: inset(0 100% 0 0);
    transition: clip-path 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.section-title.revealed {
    clip-path: inset(0 0% 0 0);
}

.section-desc {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.7s ease 0.3s, transform 0.7s ease 0.3s;
}

.section-desc.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* --- Hero Entrance Sequences --- */
@keyframes hero-badge-enter {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes hero-title-enter {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes hero-sub-enter {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes hero-cta-enter {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes hero-card-enter {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes hero-stats-enter {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes hero-line-grow {
    from { width: 0; }
    to { width: 60px; }
}

.hero-badge {
    animation: hero-badge-enter 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.2s both;
}

.hero-title {
    animation: hero-title-enter 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.4s both;
}

.hero-sub {
    animation: hero-sub-enter 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.65s both;
}

.hero-ctas {
    animation: hero-cta-enter 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.85s both;
}

.hero-stats {
    animation: hero-stats-enter 0.7s cubic-bezier(0.22, 1, 0.36, 1) 1s both;
}

.hero-stats::before {
    content: '';
    display: block;
    width: 0;
    height: 2px;
    background: var(--accent);
    animation: hero-line-grow 0.8s cubic-bezier(0.22, 1, 0.36, 1) 1.1s both;
    position: absolute;
    top: 0;
    left: 0;
}

.hero-card {
    animation: hero-card-enter 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.4s both;
}

.hero-card-image {
    opacity: 1;
    clip-path: none;
}

/* --- Image Reveal with Clip-path --- */
@keyframes image-reveal-up {
    from {
        clip-path: inset(100% 0 0 0);
    }
    to {
        clip-path: inset(0 0 0 0);
    }
}

.about-img-wrapper img,
.step-content img,
.export-card-img img,
.quality-card-inner img {
    clip-path: inset(100% 0 0 0);
    transition: clip-path 1s cubic-bezier(0.22, 1, 0.36, 1);
}

.about-img-wrapper.revealed img,
.timeline-step.revealed .step-content img,
.export-card.revealed .export-card-img img,
.quality-card.revealed .quality-card-inner img {
    clip-path: inset(0 0 0 0);
}

/* Hero card image — visible immediately */
.hero-card-image img {
    opacity: 1;
}

/* --- Staggered Grid Reveals --- */
.spec-card,
.why-card,
.highlight-item,
.export-card,
.quality-card,
.trust-item {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.spec-card.revealed,
.why-card.revealed,
.highlight-item.revealed,
.export-card.revealed,
.quality-card.revealed,
.trust-item.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays for grids */
.specs-grid .spec-card:nth-child(1), .why-grid .why-card:nth-child(1),
.exports-cards .export-card:nth-child(1), .quality-grid .quality-card:nth-child(1),
.trust-bar-inner .trust-item:nth-child(1) { transition-delay: 0s; }

.specs-grid .spec-card:nth-child(2), .why-grid .why-card:nth-child(2),
.exports-cards .export-card:nth-child(2), .quality-grid .quality-card:nth-child(2),
.trust-bar-inner .trust-item:nth-child(2) { transition-delay: 0.08s; }

.specs-grid .spec-card:nth-child(3), .why-grid .why-card:nth-child(3),
.exports-cards .export-card:nth-child(3), .quality-grid .quality-card:nth-child(3),
.trust-bar-inner .trust-item:nth-child(3) { transition-delay: 0.16s; }

.specs-grid .spec-card:nth-child(4), .why-grid .why-card:nth-child(4),
.exports-cards .export-card:nth-child(4),
.trust-bar-inner .trust-item:nth-child(4) { transition-delay: 0.24s; }

.specs-grid .spec-card:nth-child(5), .why-grid .why-card:nth-child(5),
.trust-bar-inner .trust-item:nth-child(5) { transition-delay: 0.32s; }

.specs-grid .spec-card:nth-child(6), .why-grid .why-card:nth-child(6),
.trust-bar-inner .trust-item:nth-child(6) { transition-delay: 0.4s; }

/* Highlight items stagger */
.about-highlights .highlight-item:nth-child(1) { transition-delay: 0s; }
.about-highlights .highlight-item:nth-child(2) { transition-delay: 0.1s; }
.about-highlights .highlight-item:nth-child(3) { transition-delay: 0.2s; }
.about-highlights .highlight-item:nth-child(4) { transition-delay: 0.3s; }

/* --- Timeline Step Progressive Reveal --- */
.timeline-step {
    opacity: 0;
    transform: translateX(-24px);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.timeline-step.revealed {
    opacity: 1;
    transform: translateX(0);
}

.timeline-step:nth-child(2) { transition-delay: 0s; }
.timeline-step:nth-child(3) { transition-delay: 0.12s; }
.timeline-step:nth-child(4) { transition-delay: 0.24s; }
.timeline-step:nth-child(5) { transition-delay: 0.36s; }
.timeline-step:nth-child(6) { transition-delay: 0.48s; }

/* --- Timeline Line Grow --- */
.timeline-line {
    transform-origin: top;
    transform: scaleY(0);
    transition: transform 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.timeline-line.revealed {
    transform: scaleY(1);
}

/* --- Spec Card Glow Border --- */
.spec-card {
    position: relative;
}

.spec-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--accent), var(--accent-light), transparent, transparent);
    opacity: 0;
    z-index: -1;
    transition: opacity 0.4s ease;
}

.spec-card:hover::before {
    opacity: 0.3;
}

/* --- Nav Link Underline Animation --- */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 14px;
    right: 14px;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* --- Why Card Number Pulse --- */
@keyframes number-fade {
    from { opacity: 0; transform: scale(1.2); }
    to { opacity: 0.06; transform: scale(1); }
}

.why-card.revealed .why-card-num {
    animation: number-fade 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.3s both;
}

/* --- Why Card Icon Fade --- */
@keyframes icon-fade-in {
    from { opacity: 0; transform: translate(8px, 8px); }
    to { opacity: 0.08; transform: translate(0, 0); }
}

.why-card.revealed .why-card-icon {
    animation: icon-fade-in 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.4s both;
}

/* --- Feature List Items Slide --- */
.mfg-feature {
    opacity: 0;
    transform: translateX(-16px);
    transition: opacity 0.5s ease, transform 0.5s ease, background 0.3s ease, color 0.3s ease;
}

.mfg-feature.revealed {
    opacity: 1;
    transform: translateX(0);
}

.mfg-feature:nth-child(1) { transition-delay: 0s; }
.mfg-feature:nth-child(2) { transition-delay: 0.08s; }
.mfg-feature:nth-child(3) { transition-delay: 0.16s; }
.mfg-feature:nth-child(4) { transition-delay: 0.24s; }
.mfg-feature:nth-child(5) { transition-delay: 0.32s; }

/* --- Contact Details Slide --- */
.contact-detail-item {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.contact-detail-item.revealed {
    opacity: 1;
    transform: translateY(0);
}

.contact-detail-item:nth-child(1) { transition-delay: 0s; }
.contact-detail-item:nth-child(2) { transition-delay: 0.1s; }
.contact-detail-item:nth-child(3) { transition-delay: 0.2s; }

/* --- Form Fields Stagger Entrance --- */
.form-row,
.form-group.full-width {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.form-row.revealed,
.form-group.full-width.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* --- WhatsApp Float Gentle Bounce --- */
@keyframes float-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.whatsapp-float {
    animation: float-bounce 3s ease-in-out infinite;
}

.whatsapp-float:hover {
    animation: none;
}

/* --- Export Card Image Zoom on Reveal --- */
@keyframes img-zoom-out {
    from { transform: scale(1.15); }
    to { transform: scale(1); }
}

.export-card.revealed .export-card-img img {
    animation: img-zoom-out 1.2s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* --- Quality Card Image Zoom on Reveal --- */
.quality-card.revealed .quality-card-inner img {
    animation: img-zoom-out 1.2s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* --- Note Card Entrance --- */
.note-card {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.note-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* --- Page Load --- */
@keyframes page-load {
    from { opacity: 0; }
    to { opacity: 1; }
}

body {
    animation: page-load 0.4s ease both;
}