/* ============================================================
   ZOVIAN VALVES INDUSTRIES - Ultra Premium Industrial CSS
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Rajdhani:wght@400;500;600;700&family=Orbitron:wght@400;500;600;700;800;900&display=swap');

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
    --bg-primary:    #050710;
    --bg-secondary:  #080b18;
    --bg-card:       #0c1024;
    --bg-card2:      #0f1530;
    --border:        rgba(30, 58, 138, 0.4);
    --border-light:  rgba(59, 130, 246, 0.2);
    --navy:          #1e3a8a;
    --blue:          #2563eb;
    --blue-light:    #3b82f6;
    --blue-glow:     rgba(59, 130, 246, 0.15);
    --silver:        #94a3b8;
    --silver-light:  #cbd5e1;
    --white:         #e2e8f0;
    --white-pure:    #ffffff;
    --gold:          #f59e0b;
    --gold-dark:     #d97706;
    --gunmetal:      #1e293b;
    --steel:         #334155;
    --text-primary:  #e2e8f0;
    --text-secondary:#94a3b8;
    --text-muted:    #64748b;
    --success:       #10b981;
    --danger:        #ef4444;
    --warning:       #f59e0b;
    --gradient-hero: linear-gradient(135deg, #050710 0%, #080b18 40%, #0a1535 100%);
    --gradient-card: linear-gradient(135deg, rgba(12,16,36,0.95) 0%, rgba(15,21,48,0.98) 100%);
    --gradient-blue: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
    --gradient-gold: linear-gradient(135deg, #d97706 0%, #f59e0b 100%);
    --shadow-card:   0 4px 24px rgba(0,0,0,0.6), 0 0 0 1px rgba(30,58,138,0.3);
    --shadow-glow:   0 0 30px rgba(59,130,246,0.15);
    --shadow-hover:  0 8px 40px rgba(0,0,0,0.8), 0 0 0 1px rgba(59,130,246,0.4), 0 0 20px rgba(59,130,246,0.1);
    --transition:    all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --font-main:     'Inter', sans-serif;
    --font-heading:  'Rajdhani', sans-serif;
    --font-brand:    'Orbitron', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ── Loading Screen ────────────────────────────────────────── */
#zv-loader {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    z-index: 99999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.loader-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(30,58,138,0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30,58,138,0.08) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridPulse 3s ease infinite;
}

@keyframes gridPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.loader-content {
    position: relative;
    text-align: center;
    z-index: 2;
}

.loader-logo-ring {
    width: 120px;
    height: 120px;
    margin: 0 auto 24px;
    position: relative;
}

.loader-logo-ring::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: var(--blue-light);
    border-right-color: var(--blue);
    animation: spinRing 1.2s linear infinite;
}

.loader-logo-ring::after {
    content: '';
    position: absolute;
    inset: 10px;
    border-radius: 50%;
    border: 1px solid rgba(59,130,246,0.3);
    border-bottom-color: var(--gold);
    animation: spinRing 2s linear infinite reverse;
}

@keyframes spinRing {
    to { transform: rotate(360deg); }
}

.loader-logo-inner {
    position: absolute;
    inset: 20px;
    border-radius: 50%;
    background: var(--gradient-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-brand);
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 2px;
    animation: logoPulse 2s ease infinite;
}

@keyframes logoPulse {
    0%, 100% { box-shadow: 0 0 20px rgba(37,99,235,0.4); }
    50% { box-shadow: 0 0 40px rgba(59,130,246,0.8); }
}

.loader-brand {
    font-family: var(--font-brand);
    font-size: 26px;
    font-weight: 800;
    letter-spacing: 4px;
    color: var(--white-pure);
    margin-bottom: 6px;
    animation: textReveal 0.8s ease 0.5s both;
}

.loader-tagline {
    font-family: var(--font-heading);
    font-size: 13px;
    letter-spacing: 6px;
    color: var(--silver);
    text-transform: uppercase;
    margin-bottom: 40px;
    animation: textReveal 0.8s ease 0.7s both;
}

@keyframes textReveal {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.loader-progress-wrap {
    width: 280px;
    height: 2px;
    background: rgba(30,58,138,0.3);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}

.loader-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--gradient-blue);
    border-radius: 2px;
    box-shadow: 0 0 10px var(--blue-light);
    transition: width 0.1s ease;
}

.loader-sweep {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(59,130,246,0.06) 50%, transparent 100%);
    animation: sweep 2s ease infinite;
    pointer-events: none;
}

@keyframes sweep {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ── Navigation ────────────────────────────────────────────── */
#main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
    padding: 0;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    height: 72px;
    background: rgba(5,7,16,0.1);
    border-bottom: 1px solid transparent;
    backdrop-filter: blur(0px);
    transition: var(--transition);
}

#main-nav.scrolled .nav-wrapper {
    background: rgba(5,7,16,0.95);
    border-bottom-color: var(--border);
    backdrop-filter: blur(20px);
    height: 64px;
    box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.nav-logo img {
    height: 44px;
    width: auto;
    border-radius: 6px;
    object-fit: contain;
}

.nav-logo-text {
    display: flex;
    flex-direction: column;
}

.nav-logo-main {
    font-family: var(--font-brand);
    font-size: 15px;
    font-weight: 800;
    color: var(--white-pure);
    letter-spacing: 1px;
    line-height: 1.2;
}

.nav-logo-sub {
    font-family: var(--font-heading);
    font-size: 10px;
    letter-spacing: 3px;
    color: var(--blue-light);
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.nav-menu a {
    display: block;
    padding: 8px 14px;
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--silver-light);
    text-decoration: none;
    text-transform: uppercase;
    border-radius: 6px;
    transition: var(--transition);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 14px;
    right: 14px;
    height: 1px;
    background: var(--blue-light);
    transform: scaleX(0);
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--white-pure);
    background: rgba(59,130,246,0.1);
}

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

.nav-cta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-nav-quote {
    padding: 9px 22px;
    background: var(--gradient-blue);
    color: #fff !important;
    border-radius: 6px;
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 1px;
    text-decoration: none;
    text-transform: uppercase;
    font-family: var(--font-heading);
    transition: var(--transition);
    border: 1px solid var(--blue);
    box-shadow: 0 0 20px rgba(37,99,235,0.3);
}

.btn-nav-quote:hover {
    box-shadow: 0 0 30px rgba(59,130,246,0.5);
    transform: translateY(-1px);
}

.btn-nav-quote::after { display: none !important; }

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
}

.nav-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

/* ── Hero Section ──────────────────────────────────────────── */
#hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

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

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-slide.active { opacity: 1; }

.hero-slide-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: scale(1.05);
    transition: transform 6s ease;
}

.hero-slide.active .hero-slide-bg { transform: scale(1); }

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(5,7,16,0.92) 0%,
        rgba(8,11,24,0.80) 50%,
        rgba(5,7,16,0.85) 100%
    );
}

.hero-grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(30,58,138,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30,58,138,0.06) 1px, transparent 1px);
    background-size: 80px 80px;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 860px;
    padding: 0 40px;
    padding-top: 72px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(30,58,138,0.3);
    border: 1px solid rgba(59,130,246,0.4);
    border-radius: 100px;
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--blue-light);
    text-transform: uppercase;
    margin-bottom: 24px;
}

.hero-badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--blue-light);
    animation: dotBlink 1.5s ease infinite;
}

@keyframes dotBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.2; }
}

.hero-title {
    font-family: var(--font-brand);
    font-size: clamp(32px, 5vw, 64px);
    font-weight: 900;
    line-height: 1.1;
    color: var(--white-pure);
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero-title .highlight {
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline;
}

.hero-subtitle {
    font-size: 17px;
    color: var(--silver-light);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 600px;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: var(--transition);
    background: rgba(255,255,255,0.08);
}

.btn:hover::before { opacity: 1; }

.btn-primary {
    background: var(--gradient-blue);
    color: #fff;
    box-shadow: 0 4px 20px rgba(37,99,235,0.4);
    border: 1px solid var(--blue);
}

.btn-primary:hover {
    box-shadow: 0 6px 30px rgba(59,130,246,0.6);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--white-pure);
    border: 1px solid rgba(148,163,184,0.4);
}

.btn-outline:hover {
    border-color: var(--blue-light);
    color: var(--blue-light);
    box-shadow: 0 0 20px rgba(59,130,246,0.15);
}

.btn-gold {
    background: var(--gradient-gold);
    color: #000;
    box-shadow: 0 4px 20px rgba(245,158,11,0.3);
    border: 1px solid var(--gold);
}

.btn-gold:hover {
    box-shadow: 0 6px 30px rgba(245,158,11,0.5);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 9px 18px;
    font-size: 12px;
}

.btn-lg {
    padding: 18px 36px;
    font-size: 15px;
}

/* ── Hero Indicators ───────────────────────────────────────── */
.hero-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.hero-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(148,163,184,0.4);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    padding: 0;
}

.hero-dot.active {
    background: var(--blue-light);
    box-shadow: 0 0 10px var(--blue-light);
    width: 24px;
    border-radius: 4px;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    right: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 10;
    color: var(--silver);
    font-family: var(--font-heading);
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--blue-light), transparent);
    animation: scrollDown 1.5s ease infinite;
}

@keyframes scrollDown {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(0.5); opacity: 0.5; }
}

/* ── Section Commons ───────────────────────────────────────── */
section { padding: 100px 0; }

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 16px;
    background: rgba(30,58,138,0.2);
    border: 1px solid rgba(59,130,246,0.3);
    border-radius: 100px;
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--blue-light);
    text-transform: uppercase;
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-brand);
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 800;
    color: var(--white-pure);
    line-height: 1.15;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
}

.section-title .accent {
    color: var(--blue-light);
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

.section-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 20px 0 0;
}

.divider-line {
    height: 1px;
    width: 60px;
    background: var(--gradient-blue);
    border-radius: 1px;
}

.divider-diamond {
    width: 8px;
    height: 8px;
    background: var(--blue-light);
    transform: rotate(45deg);
}

/* ── Stats Section ─────────────────────────────────────────── */
#stats {
    padding: 60px 0;
    background: linear-gradient(135deg, rgba(30,58,138,0.15) 0%, rgba(8,11,24,0.5) 100%);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

#stats::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 79px,
        rgba(30,58,138,0.1) 79px,
        rgba(30,58,138,0.1) 80px
    );
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
}

.stat-item {
    padding: 40px 30px;
    text-align: center;
    border-right: 1px solid var(--border);
    position: relative;
}

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

.stat-number {
    font-family: var(--font-brand);
    font-size: 56px;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 8px;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-family: var(--font-heading);
    font-size: 13px;
    letter-spacing: 3px;
    color: var(--silver);
    text-transform: uppercase;
    font-weight: 600;
}

.stat-desc {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ── Product Cards ─────────────────────────────────────────── */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.product-card {
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    group: true;
}

.product-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-blue);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
    border-radius: 12px;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(59,130,246,0.5);
}

.product-card:hover::before { opacity: 0.04; }

.product-card-img {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: var(--bg-card2);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.product-card-img .no-img {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 10px;
    background: var(--gradient-blue);
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    color: #fff;
    text-transform: uppercase;
    font-family: var(--font-heading);
}

.product-card-body {
    padding: 24px;
}

.product-category-tag {
    font-family: var(--font-heading);
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--blue-light);
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 10px;
}

.product-card-title {
    font-family: var(--font-brand);
    font-size: 18px;
    font-weight: 700;
    color: var(--white-pure);
    margin-bottom: 12px;
    line-height: 1.3;
}

.product-card-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.product-specs-mini {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.spec-chip {
    padding: 4px 10px;
    background: rgba(30,58,138,0.2);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 11px;
    color: var(--silver);
    font-weight: 500;
}

.product-card-actions {
    display: flex;
    gap: 10px;
}

/* ── Why Choose Us ─────────────────────────────────────────── */
#why-us {
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

#why-us::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
    pointer-events: none;
}

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

.why-card {
    padding: 36px 30px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.why-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-blue);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.why-card:hover {
    transform: translateY(-4px);
    border-color: rgba(59,130,246,0.4);
    box-shadow: var(--shadow-hover);
}

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

.why-icon {
    width: 60px;
    height: 60px;
    background: rgba(30,58,138,0.3);
    border: 1px solid rgba(59,130,246,0.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--blue-light);
    font-size: 28px;
    transition: var(--transition);
}

.why-card:hover .why-icon {
    background: var(--gradient-blue);
    color: #fff;
    border-color: var(--blue);
    box-shadow: 0 0 20px rgba(37,99,235,0.4);
}

.why-title {
    font-family: var(--font-brand);
    font-size: 18px;
    font-weight: 700;
    color: var(--white-pure);
    margin-bottom: 12px;
}

.why-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ── Industries Section ────────────────────────────────────── */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.industry-card {
    padding: 32px 24px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    cursor: default;
}

.industry-card:hover {
    transform: translateY(-4px);
    border-color: rgba(59,130,246,0.4);
    box-shadow: var(--shadow-hover);
}

.industry-icon {
    font-size: 44px;
    margin-bottom: 20px;
    display: block;
}

.industry-title {
    font-family: var(--font-brand);
    font-size: 16px;
    font-weight: 700;
    color: var(--white-pure);
    margin-bottom: 10px;
}

.industry-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ── Testimonials ──────────────────────────────────────────── */
#testimonials {
    background: var(--bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.testimonial-card {
    padding: 36px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: var(--transition);
    position: relative;
}

.testimonial-card::before {
    content: '\201C';
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 80px;
    line-height: 1;
    color: rgba(59,130,246,0.15);
    font-family: Georgia, serif;
}

.testimonial-card:hover {
    border-color: rgba(59,130,246,0.3);
    box-shadow: var(--shadow-card);
}

.testimonial-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
}

.star { color: var(--gold); font-size: 16px; }

.testimonial-text {
    font-size: 15px;
    color: var(--silver-light);
    line-height: 1.7;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-brand);
    font-size: 18px;
    font-weight: 800;
    color: #fff;
    flex-shrink: 0;
}

.author-info .name {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    color: var(--white-pure);
}

.author-info .designation {
    font-size: 12px;
    color: var(--blue-light);
}

.author-info .company {
    font-size: 12px;
    color: var(--text-muted);
}

/* ── CTA Section ───────────────────────────────────────────── */
#cta-section {
    background: linear-gradient(135deg, var(--navy) 0%, #0d2060 50%, var(--navy) 100%);
    position: relative;
    overflow: hidden;
    padding: 80px 0;
}

#cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(59,130,246,0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59,130,246,0.08) 1px, transparent 1px);
    background-size: 60px 60px;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-family: var(--font-brand);
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 900;
    color: #fff;
    margin-bottom: 16px;
}

.cta-subtitle {
    font-size: 17px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 40px;
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ── Blog Cards ────────────────────────────────────────────── */
.blogs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.blog-card {
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-4px);
    border-color: rgba(59,130,246,0.3);
    box-shadow: var(--shadow-hover);
}

.blog-card-img {
    height: 180px;
    overflow: hidden;
    background: var(--bg-card2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.blog-card-body { padding: 24px; }

.blog-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.blog-tag {
    padding: 3px 10px;
    background: rgba(30,58,138,0.3);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
    color: var(--blue-light);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-family: var(--font-heading);
}

.blog-date {
    font-size: 12px;
    color: var(--text-muted);
}

.blog-card-title {
    font-family: var(--font-brand);
    font-size: 17px;
    font-weight: 700;
    color: var(--white-pure);
    margin-bottom: 12px;
    line-height: 1.4;
    text-decoration: none;
    display: block;
    transition: color 0.2s;
}

.blog-card-title:hover { color: var(--blue-light); }

.blog-card-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.blog-read-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--blue-light);
    text-decoration: none;
    text-transform: uppercase;
    transition: var(--transition);
}

.blog-read-more:hover { gap: 10px; }

/* ── Contact Section ───────────────────────────────────────── */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-info-card {
    padding: 40px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.contact-info-item {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
    align-items: flex-start;
}

.contact-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(30,58,138,0.3);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue-light);
    font-size: 20px;
    flex-shrink: 0;
}

.contact-info-label {
    font-family: var(--font-heading);
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--blue-light);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.contact-info-value {
    font-size: 15px;
    color: var(--white-pure);
    font-weight: 500;
}

.contact-info-value a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

.contact-info-value a:hover { color: var(--blue-light); }

/* ── Form Styles ───────────────────────────────────────────── */
.form-card {
    padding: 40px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--silver);
    text-transform: uppercase;
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: rgba(8,11,24,0.8);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--white-pure);
    font-size: 14px;
    font-family: var(--font-main);
    transition: var(--transition);
    outline: none;
    -webkit-appearance: none;
}

.form-control:focus {
    border-color: var(--blue-light);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
    background: rgba(8,11,24,0.95);
}

.form-control::placeholder { color: var(--text-muted); }

select.form-control {
    cursor: pointer;
    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='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

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

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

/* ── Footer ────────────────────────────────────────────────── */
#main-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-brand img {
    height: 52px;
    width: auto;
    border-radius: 8px;
    margin-bottom: 20px;
}

.footer-brand-name {
    font-family: var(--font-brand);
    font-size: 16px;
    font-weight: 800;
    color: var(--white-pure);
    letter-spacing: 2px;
    margin-bottom: 4px;
}

.footer-brand-tag {
    font-family: var(--font-heading);
    font-size: 10px;
    letter-spacing: 4px;
    color: var(--blue-light);
    text-transform: uppercase;
    margin-bottom: 16px;
}

.footer-about {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.footer-socials {
    display: flex;
    gap: 10px;
}

.social-btn {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(30,58,138,0.3);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--silver);
    text-decoration: none;
    font-size: 16px;
    transition: var(--transition);
}

.social-btn:hover {
    background: var(--gradient-blue);
    border-color: var(--blue);
    color: #fff;
    box-shadow: 0 0 15px rgba(37,99,235,0.4);
}

.footer-heading {
    font-family: var(--font-brand);
    font-size: 14px;
    font-weight: 700;
    color: var(--white-pure);
    letter-spacing: 2px;
    margin-bottom: 24px;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 12px;
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--gradient-blue);
    border-radius: 2px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links a::before {
    content: '→';
    color: var(--blue-light);
    font-size: 11px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--blue-light);
    padding-left: 4px;
}

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

.footer-contact-icon {
    color: var(--blue-light);
    font-size: 16px;
    margin-top: 2px;
    flex-shrink: 0;
}

.footer-contact-text {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.footer-contact-text a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-contact-text a:hover { color: var(--blue-light); }

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-copy {
    font-size: 13px;
    color: var(--text-muted);
}

.footer-copy span { color: var(--blue-light); }

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a {
    font-size: 12px;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-bottom-links a:hover { color: var(--blue-light); }

/* ── WhatsApp Float ────────────────────────────────────────── */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}

.whatsapp-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #25d366;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    transition: var(--transition);
    animation: waBounce 2s ease infinite;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37,211,102,0.6);
    animation: none;
}

.whatsapp-btn svg {
    width: 30px;
    height: 30px;
    fill: #fff;
}

@keyframes waBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

.whatsapp-tooltip {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--white);
    font-size: 12px;
    padding: 6px 14px;
    border-radius: 6px;
    white-space: nowrap;
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: 1px;
    opacity: 0;
    transform: translateX(10px);
    transition: var(--transition);
    pointer-events: none;
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateX(0);
}

/* ── Page Hero Banner ──────────────────────────────────────── */
.page-hero {
    padding: 160px 0 80px;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(30,58,138,0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30,58,138,0.08) 1px, transparent 1px);
    background-size: 60px 60px;
}

.page-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-blue);
}

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

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.breadcrumb a {
    font-size: 13px;
    color: var(--silver);
    text-decoration: none;
    transition: color 0.2s;
}

.breadcrumb a:hover { color: var(--blue-light); }

.breadcrumb-sep {
    color: var(--text-muted);
    font-size: 12px;
}

.breadcrumb-current {
    font-size: 13px;
    color: var(--blue-light);
}

.page-hero-title {
    font-family: var(--font-brand);
    font-size: clamp(32px, 5vw, 60px);
    font-weight: 900;
    color: var(--white-pure);
    line-height: 1.1;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
}

.page-hero-subtitle {
    font-size: 16px;
    color: var(--silver-light);
    max-width: 600px;
    line-height: 1.7;
}

/* ── Scroll Reveal ─────────────────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

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

/* ── Utility ───────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-blue { color: var(--blue-light); }
.text-gold { color: var(--gold); }
.text-silver { color: var(--silver); }
.text-muted { color: var(--text-muted); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.mb-24 { margin-bottom: 24px; }
.mb-40 { margin-bottom: 40px; }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    font-family: var(--font-heading);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.badge-blue { background: rgba(30,58,138,0.3); border: 1px solid rgba(59,130,246,0.3); color: var(--blue-light); }
.badge-gold { background: rgba(245,158,11,0.2); border: 1px solid rgba(245,158,11,0.3); color: var(--gold); }
.badge-green { background: rgba(16,185,129,0.15); border: 1px solid rgba(16,185,129,0.3); color: var(--success); }

/* ── Dropdown Nav ──────────────────────────────────────────── */
.nav-item { position: relative; }

.nav-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 220px;
    background: rgba(8,11,24,0.98);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: var(--transition);
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 40px rgba(0,0,0,0.6);
    z-index: 200;
}

.nav-item:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown a {
    display: block;
    padding: 10px 14px !important;
    font-size: 13px !important;
    letter-spacing: 0.5px !important;
    border-radius: 6px;
}

.nav-dropdown a::after { display: none !important; }

/* ── Process Steps ─────────────────────────────────────────── */
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
}

.process-step {
    text-align: center;
    padding: 32px 24px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: var(--transition);
    position: relative;
}

.process-step:hover {
    border-color: rgba(59,130,246,0.4);
    transform: translateY(-4px);
}

.step-number {
    font-family: var(--font-brand);
    font-size: 48px;
    font-weight: 900;
    color: rgba(59,130,246,0.15);
    line-height: 1;
    margin-bottom: 16px;
}

.step-title {
    font-family: var(--font-brand);
    font-size: 16px;
    font-weight: 700;
    color: var(--white-pure);
    margin-bottom: 10px;
}

.step-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .industries-grid { grid-template-columns: repeat(2, 1fr); }
    .process-steps { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-item:nth-child(2) { border-right: none; }
    .stat-item:nth-child(3) { border-right: 1px solid var(--border); border-top: 1px solid var(--border); }
    .stat-item:nth-child(4) { border-top: 1px solid var(--border); border-right: none; }
}

@media (max-width: 768px) {
    .container { padding: 0 20px; }
    section { padding: 70px 0; }

    .nav-wrapper { padding: 0 20px; }
    .nav-menu { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: rgba(5,7,16,0.98); padding: 16px; border-bottom: 1px solid var(--border); gap: 4px; }
    .nav-menu.open { display: flex; }
    .nav-cta { display: none; }
    .nav-hamburger { display: flex; }

    .hero-content { padding: 0 20px; padding-top: 80px; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { text-align: center; justify-content: center; }
    .hero-scroll-indicator { display: none; }

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

    .products-grid { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: 1fr; }
    .industries-grid { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .blogs-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .process-steps { grid-template-columns: 1fr; }

    .footer-bottom { flex-direction: column; text-align: center; }
    .footer-bottom-links { justify-content: center; }
}

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--navy); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--blue); }

/* ── Selection ─────────────────────────────────────────────── */
::selection { background: rgba(59,130,246,0.3); color: var(--white-pure); }

/* ── Admin Alert ───────────────────────────────────────────── */
.alert {
    padding: 14px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}
.alert-success { background: rgba(16,185,129,0.15); border: 1px solid rgba(16,185,129,0.3); color: #34d399; }
.alert-danger  { background: rgba(239,68,68,0.15); border: 1px solid rgba(239,68,68,0.3); color: #f87171; }
.alert-warning { background: rgba(245,158,11,0.15); border: 1px solid rgba(245,158,11,0.3); color: #fbbf24; }
.alert-info    { background: rgba(59,130,246,0.15); border: 1px solid rgba(59,130,246,0.3); color: #60a5fa; }

/* ── Valve SVG Placeholder ─────────────────────────────────── */
.valve-svg-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0d1a 0%, #0f1530 100%);
}