/* ═══════════════════════════════════════════════════════════
   RONARCH NON WOVEN ENGINEERS — Design System & Styles
   ═══════════════════════════════════════════════════════════ */

/* ── CSS Custom Properties ── */
:root {
    /* Colors — Light Professional Palette */
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f7;
    --bg-card: #ffffff;
    --bg-card-hover: #f0f0f2;
    --bg-glass: rgba(255, 255, 255, 0.85);

    --text-primary: #1a1a1a;
    --text-secondary: #5a5a5a;
    --text-muted: #8a8a8a;

    --accent: #1e3a5f;
    --accent-hover: #15304f;
    --accent-glow: rgba(30, 58, 95, 0.12);
    --accent-subtle: rgba(30, 58, 95, 0.06);

    --border: rgba(0, 0, 0, 0.08);
    --border-accent: rgba(30, 58, 95, 0.2);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --section-pad: 80px;
    --container-max: 1200px;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

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

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

/* Reveal animations handled by GSAP ScrollTrigger in script.js */

/* ═══════════════════════ NAVIGATION ═══════════════════════ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition-smooth);
    background: rgba(235, 237, 242, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 10px 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1001;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.footer-logo-img {
    height: 36px;
    filter: brightness(0) invert(1);
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.3px;
    position: relative;
    padding: 4px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition-smooth);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-cta {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 600;
    color: #ffffff;
    background: var(--accent);
    padding: 10px 24px;
    border-radius: 8px;
    transition: all var(--transition-fast);
    letter-spacing: 0.3px;
}

.nav-cta:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--accent-glow);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-smooth);
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ═══════════════════════ HERO ═══════════════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

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

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.08;
    filter: grayscale(1);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
            rgba(245, 245, 247, 0.95) 0%,
            rgba(255, 255, 255, 0.85) 50%,
            rgba(245, 245, 247, 0.92) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 140px 24px 80px;
    max-width: 720px;
    text-align: left;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-subtle);
    padding: 8px 20px;
    border-radius: 100px;
    border: 1px solid var(--border-accent);
    margin-bottom: 32px;
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.4s both;
}

.hero-highlight {
    color: var(--accent);
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 560px;
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.6s both;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.8s both;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    background: var(--bg-card);
    padding: 10px 18px;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.hero-feature-icon {
    color: var(--accent);
    font-size: 12px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 1s both;
}

/* Scroll indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 1;
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 1.5s both;
}

.hero-scroll-indicator span {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-weight: 500;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

/* GSM Range Banner */
.gsm-banner {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--accent);
    color: #ffffff;
    padding: 16px 28px;
    border-radius: 12px;
    margin-bottom: 28px;
    width: fit-content;
}

.gsm-range {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 1px;
    white-space: nowrap;
}

.gsm-desc {
    font-size: 14px;
    opacity: 0.85;
    border-left: 1px solid rgba(255, 255, 255, 0.3);
    padding-left: 16px;
}

/* ═══════════════════════ BUTTONS ═══════════════════════ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: 10px;
    cursor: pointer;
    border: none;
    transition: all var(--transition-smooth);
    letter-spacing: 0.3px;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px var(--accent-glow);
}

.btn-primary svg {
    transition: transform var(--transition-fast);
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-accent);
    transform: translateY(-2px);
}

.btn-large {
    padding: 18px 40px;
    font-size: 17px;
    border-radius: 12px;
}

/* ═══════════════════════ SECTIONS ═══════════════════════ */
.section {
    padding: var(--section-pad) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-label {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

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

.section-desc {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
}

/* ═══════════════════════ ABOUT ═══════════════════════ */
.about {
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 64px;
    align-items: start;
    margin-bottom: 64px;
}

.about-story {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.about-story p+p {
    margin-top: 16px;
}

.about-lead {
    font-size: 18px;
    color: var(--text-primary);
    line-height: 1.8;
}

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

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-smooth);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.stat-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 42px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    display: inline;
}

.stat-suffix {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    color: var(--accent);
    display: inline;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 8px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-locations {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.location-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    transition: all var(--transition-smooth);
}

.location-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-2px);
}

.location-icon {
    color: var(--accent);
    margin-bottom: 16px;
}

.location-card h4 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.location-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Sister Company */
.sister-company {
    margin-top: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-accent);
    border-radius: 16px;
    padding: 28px 32px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.sister-badge {
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    background: var(--accent-subtle);
    padding: 6px 14px;
    border-radius: 100px;
    white-space: nowrap;
}

.sister-content h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}

.sister-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ═══════════════════════ PRODUCTS ═══════════════════════ */
.products {
    background: var(--bg-primary);
}

.product-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    overflow: hidden;
}

.product-hero-image {
    height: 100%;
    overflow: hidden;
}

.product-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-hero:hover .product-hero-image img {
    transform: scale(1.05);
}

.product-hero-content {
    padding: 48px 48px 48px 0;
}

.product-badge {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-subtle);
    padding: 6px 16px;
    border-radius: 100px;
    border: 1px solid var(--border-accent);
    margin-bottom: 20px;
}

.product-hero-content h3 {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
}

.product-hero-content>p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 24px;
}

.product-features {
    list-style: none;
    margin-bottom: 32px;
}

.product-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-secondary);
}

.product-features li svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.product-features li strong {
    color: var(--text-primary);
}

/* Specs Grid */
.product-specs {
    margin-top: 80px;
}

.specs-title {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.spec-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition-smooth);
}

.spec-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.06);
}

.spec-icon {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
}

.spec-card h4 {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
}

.spec-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Polishing image */
.product-polishing-image {
    margin-top: 80px;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.product-polishing-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.polishing-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.92) 0%, rgba(0, 0, 0, 0.7) 40%, transparent 100%);
    color: #ffffff;
}

.polishing-caption .caption-label {
    color: #ffffff;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 2px;
}

.polishing-caption p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 16px;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}

.caption-label {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 8px;
}

.polishing-caption p {
    font-size: 16px;
    color: var(--text-secondary);
}

/* ═══════════════════════ PROCESS ═══════════════════════ */
.process {
    background: var(--bg-secondary);
}

.process-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 32px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom,
            transparent,
            var(--border-accent) 10%,
            var(--border-accent) 90%,
            transparent);
}

.process-step {
    display: flex;
    gap: 40px;
    padding: 0 0 64px 0;
    position: relative;
}

.process-step:last-child {
    padding-bottom: 0;
}

.step-number {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 800;
    color: #ffffff;
    background: var(--accent);
    border: 2px solid var(--accent);
    border-radius: 50%;
    position: relative;
    z-index: 1;
}

.step-content {
    flex: 1;
    padding-top: 16px;
}

.step-content h3 {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.step-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 12px;
}

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

.step-image {
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 20px;
    border: 1px solid var(--border);
}

.step-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.step-image:hover img {
    transform: scale(1.03);
}

.step-detail {
    background: var(--accent-subtle);
    border: 1px solid var(--border-accent);
    border-radius: 12px;
    padding: 20px 24px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 16px 0;
}

.step-detail strong {
    color: var(--accent);
}

.step-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.tag {
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    background: var(--bg-card);
    padding: 6px 14px;
    border-radius: 100px;
    border: 1px solid var(--border);
    letter-spacing: 0.5px;
}

/* ═══════════════════════ APPLICATIONS ═══════════════════════ */
.applications {
    background: var(--bg-primary);
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.app-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px 24px;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent);
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.app-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.06);
}

.app-card:hover::before {
    opacity: 1;
}

.app-featured {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 24px;
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(30, 58, 95, 0.04) 100%);
    border-color: var(--border-accent);
    padding: 40px 48px;
}

.app-featured::before {
    opacity: 1;
    background: linear-gradient(90deg, var(--accent), transparent);
}

.app-icon {
    color: var(--accent);
    margin-bottom: 16px;
    flex-shrink: 0;
}

.app-featured .app-icon {
    margin-bottom: 0;
}

.app-card h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.app-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.app-badge {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-subtle);
    padding: 4px 12px;
    border-radius: 100px;
    margin-top: 12px;
}

.app-featured .app-badge {
    margin-top: 0;
}

/* ═══════════════════════ CONTACT ═══════════════════════ */
.contact {
    background: var(--bg-secondary);
}

.contact-wrapper {
    background: var(--accent);
    border: none;
    border-radius: 24px;
    padding: 80px 64px;
    text-align: center;
    position: relative;
    overflow: hidden;
    color: #ffffff;
}

.contact-wrapper .section-label {
    color: rgba(255, 255, 255, 0.7);
}

.contact-wrapper .section-title {
    color: #ffffff;
}

.contact-wrapper .text-accent {
    color: rgba(255, 255, 255, 0.85);
}

.contact-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.05), transparent 50%);
    opacity: 0.3;
    pointer-events: none;
}

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

.contact-content .section-title {
    margin-bottom: 16px;
}

.contact-content>p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.8);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.contact-actions {
    margin-bottom: 48px;
}

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

.contact-actions .btn-primary:hover {
    background: #f0f0f2;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.contact-item svg {
    stroke: rgba(255, 255, 255, 0.6) !important;
}

.contact-details {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    text-align: left;
}

.contact-item strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 4px;
}

.contact-item a {
    color: #ffffff;
    font-size: 15px;
    font-weight: 500;
}

.contact-item a:hover {
    color: rgba(255, 255, 255, 0.8);
}

/* ═══════════════════════ FOOTER ═══════════════════════ */
.footer {
    background: #1a1a1a;
    border-top: none;
    padding: 64px 0 32px;
    color: rgba(255, 255, 255, 0.8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 32px;
}

.footer-logo {
    margin-bottom: 16px;
}

.footer-tagline {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
    margin-bottom: 12px;
}

.footer-gstin {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    font-family: var(--font-heading);
    font-weight: 500;
}

.footer-nav h4,
.footer-contact h4,
.footer-locations h4 {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #ffffff;
    margin-bottom: 20px;
}

.footer-nav a {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    padding: 6px 0;
    transition: all var(--transition-fast);
}

.footer-nav a:hover {
    color: #ffffff;
    padding-left: 8px;
}

.footer-contact p,
.footer-locations p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
    margin-bottom: 8px;
}

.footer-contact strong,
.footer-locations strong {
    color: #ffffff;
}

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

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

/* ═══════════════════════ ANIMATIONS ═══════════════════════ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollPulse {

    0%,
    100% {
        opacity: 0.3;
        transform: scaleY(0.5);
        transform-origin: top;
    }

    50% {
        opacity: 1;
        transform: scaleY(1);
    }
}

/* ═══════════════════════ RESPONSIVE ═══════════════════════ */
@media (max-width: 1024px) {
    :root {
        --section-pad: 80px;
    }

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

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

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

@media (max-width: 768px) {
    :root {
        --section-pad: 64px;
    }

    /* Mobile Navigation */
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 400px;
        height: 100vh;
        background: #ffffff;
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        padding: 80px 40px;
        gap: 0;
        transition: right var(--transition-smooth);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.12);
        border-left: 1px solid var(--border);
    }

    .nav.open {
        right: 0;
    }

    .nav-link {
        font-size: 24px;
        font-weight: 600;
        padding: 16px 0;
        width: 100%;
        border-bottom: 1px solid var(--border);
    }

    .nav-link::after {
        display: none;
    }

    .nav-cta {
        margin-top: 24px;
        text-align: center;
        width: 100%;
        padding: 16px;
        font-size: 16px;
    }

    .hamburger {
        display: flex;
    }

    /* Mobile overlay */
    .nav-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition-smooth);
        z-index: 999;
    }

    .nav-overlay.active {
        opacity: 1;
        pointer-events: auto;
    }

    /* Hero */
    .hero-content {
        padding: 120px 24px 80px;
    }

    .hero-features {
        flex-direction: column;
        gap: 8px;
    }

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

    .btn {
        text-align: center;
        justify-content: center;
    }

    .hero-scroll-indicator {
        display: none;
    }

    /* About */
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-stats {
        order: -1;
    }

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

    /* Products */
    .product-hero {
        grid-template-columns: 1fr;
    }

    .product-hero-content {
        padding: 32px;
    }

    .product-hero-image img {
        height: 300px;
    }

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

    .product-polishing-image img {
        height: 250px;
    }

    /* Process */
    .process-timeline::before {
        left: 20px;
    }

    .process-step {
        gap: 24px;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 14px;
    }

    .step-content h3 {
        font-size: 20px;
    }

    .step-image img {
        height: 200px;
    }

    /* Applications */
    .app-grid {
        grid-template-columns: 1fr;
    }

    .app-featured {
        flex-direction: column;
        align-items: flex-start;
        padding: 32px;
    }

    /* Contact */
    .contact-wrapper {
        padding: 48px 24px;
    }

    .contact-details {
        flex-direction: column;
        align-items: center;
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
        letter-spacing: -0.5px;
    }

    .section-title {
        font-size: 28px;
    }

    .about-stats {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .stat-card {
        padding: 20px 16px;
    }

    .stat-number {
        font-size: 32px;
    }
}

/* ═══════════════════════ ICON IMAGES ═══════════════════════ */
.spec-icon img,
.app-icon img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: 8px;
}

/* ═══════════════════════ INQUIRY MODAL ═══════════════════════ */
.inquiry-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.inquiry-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.inquiry-modal {
    background: var(--bg-primary);
    border-radius: 20px;
    width: 100%;
    max-width: 680px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 40px;
    position: relative;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.2);
    transform: translateY(20px) scale(0.97);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.inquiry-modal-overlay.active .inquiry-modal {
    transform: translateY(0) scale(1);
}

.inquiry-modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: none;
    border: none;
    font-size: 28px;
    color: var(--text-muted);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.inquiry-modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.inquiry-modal-header {
    margin-bottom: 28px;
    text-align: center;
}

.inquiry-modal-header h2 {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.inquiry-modal-header p {
    font-size: 15px;
    color: var(--text-secondary);
}

/* Form */
.inquiry-form {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    width: 100%;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.full-width {
    width: 100%;
}

.form-group label {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.3px;
}

.form-group label .required {
    color: #dc3545;
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font-body);
    font-size: 15px;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    outline: none;
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    background: var(--bg-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235a5a5a' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.inquiry-submit {
    width: 100%;
    justify-content: center;
    margin-top: 8px;
    padding: 16px 32px;
    font-size: 16px;
}

/* Modal responsive */
@media (max-width: 768px) {
    .inquiry-modal {
        padding: 28px 20px;
        max-height: 95vh;
    }

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

    .inquiry-modal-header h2 {
        font-size: 22px;
    }
}

/* Body no-scroll when modal open */
body.modal-open {
    overflow: hidden;
}