/* ==========================================================================
   AEXION INTERNATIONAL PVT. LTD. - PREMIUM DESIGN SYSTEM & STYLESHEET
   Aesthetics: Ultra-Modern, Tech Blue & Dark Navy, Glassmorphic, Dynamic
   ========================================================================== */

:root {
    /* Brand Color Palette */
    --brand-blue: #0084ff;
    --brand-blue-hover: #0066cc;
    --brand-blue-glow: #00d2ff;
    --brand-cyan: #00f2fe;
    
    --navy-dark: #0b132b;
    --navy-deep: #0f172a;
    --slate-dark: #1e293b;
    --slate-surface: #1e2640;
    --slate-border: rgba(0, 162, 255, 0.2);
    
    --bg-light: #f8fafc;
    --bg-card-light: #ffffff;
    --bg-dark-card: rgba(15, 23, 42, 0.75);
    
    --text-primary: #0f172a;
    --text-muted: #64748b;
    --text-dark-muted: #94a3b8;
    --text-white: #ffffff;
    --text-white-muted: #cbd5e1;
    
    --accent-gold: #fbbf24;
    --accent-green: #10b981;

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

    /* Styling Tokens */
    --border-radius: 16px;
    --border-radius-sm: 10px;
    --border-radius-lg: 24px;
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.06);
    --shadow-glow: 0 10px 40px rgba(0, 132, 255, 0.25);
    --shadow-card: 0 20px 50px rgba(11, 19, 43, 0.08);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background-color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--navy-dark);
    line-height: 1.25;
    font-weight: 700;
}

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

ul {
    list-style: none;
}

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

/* --- Utility Classes --- */
.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }

.mx-auto { margin-left: auto !important; margin-right: auto !important; }
.my-auto { margin-top: auto !important; margin-bottom: auto !important; }
.m-auto { margin: auto !important; }

.d-flex { display: flex !important; }
.flex-column { flex-direction: column !important; }
.justify-center { justify-content: center !important; }
.justify-between { justify-content: space-between !important; }
.justify-start { justify-content: flex-start !important; }
.align-center { align-items: center !important; }
.align-start { align-items: flex-start !important; }

.w-100 { width: 100% !important; }
.relative { position: relative !important; }
.z-2 { z-index: 2 !important; }

/* Spacing Utilities */
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 0.25rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.mt-5 { margin-top: 3rem !important; }

.gap-1 { gap: 0.5rem !important; }
.gap-2 { gap: 1rem !important; }
.gap-3 { gap: 1.5rem !important; }
.gap-4 { gap: 2rem !important; }
.gap-5 { gap: 3rem !important; }

.text-blue-glow {
    color: var(--brand-blue-glow);
    text-shadow: 0 0 20px rgba(0, 210, 255, 0.3);
}

.text-blue { color: var(--brand-blue); }
.text-cyan { color: var(--brand-cyan); }
.text-white { color: var(--text-white); }
.text-white-muted { color: var(--text-white-muted); }
.text-muted { color: var(--text-muted); }
.text-gold { color: var(--accent-gold); }

.bg-light { background-color: var(--bg-light); }
.bg-dark { background-color: var(--navy-deep); color: var(--text-white); }
.bg-navy-dark { background-color: var(--navy-dark); }

.section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    font-size: 2.75rem;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--brand-blue);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.section-desc {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 720px;
    line-height: 1.7;
}

.text-center .section-desc {
    margin-left: auto;
    margin-right: auto;
}

.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.grid-3-col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

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

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    outline: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--brand-blue) 0%, #0052cc 100%);
    color: #ffffff;
    box-shadow: 0 8px 25px rgba(0, 132, 255, 0.35);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0094ff 0%, var(--brand-blue) 100%);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 132, 255, 0.5);
}

.btn-glow {
    background: linear-gradient(135deg, var(--brand-blue-glow) 0%, var(--brand-blue) 100%);
    color: #0b132b;
    box-shadow: 0 0 25px rgba(0, 210, 255, 0.4);
}

.btn-glow:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 0 35px rgba(0, 210, 255, 0.7);
}

.btn-outline {
    background: transparent;
    border: 2px solid rgba(0, 132, 255, 0.4);
    color: var(--text-white);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    border-color: var(--brand-blue-glow);
    background: rgba(0, 132, 255, 0.15);
    color: var(--brand-blue-glow);
    transform: translateY(-3px);
}

.btn-outline-dark {
    background: transparent;
    border: 2px solid var(--brand-blue);
    color: var(--brand-blue);
}

.btn-outline-dark:hover {
    background: var(--brand-blue);
    color: #ffffff;
    transform: translateY(-3px);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.1rem;
}

/* --- Badges --- */
.badge-tech {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(0, 132, 255, 0.12);
    border: 1px solid rgba(0, 210, 255, 0.3);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--brand-blue-glow);
    backdrop-filter: blur(8px);
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    background: rgba(11, 19, 43, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.navbar.scrolled {
    padding: 14px 0;
    background: rgba(11, 19, 43, 0.95);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    border-bottom: 1px solid var(--slate-border);
}

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

.logo-link {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.logo-svg {
    height: 52px;
    width: auto;
    max-width: 320px;
    filter: drop-shadow(0 2px 12px rgba(0, 162, 255, 0.4));
    transition: var(--transition);
}

.logo-link:hover .logo-svg {
    filter: drop-shadow(0 4px 20px rgba(0, 210, 255, 0.7));
    transform: scale(1.02);
}

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

.nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
    color: var(--brand-blue-glow);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--brand-blue), var(--brand-blue-glow));
    transition: var(--transition);
    border-radius: 2px;
}

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

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    color: #ffffff;
    cursor: pointer;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 140px;
    padding-bottom: 80px;
    background: linear-gradient(135deg, #070e22 0%, #0f172a 60%, #051430 100%);
    overflow: hidden;
}

.hero-bg-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.28;
    filter: saturate(1.2) contrast(1.1);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 60% 40%, rgba(0, 132, 255, 0.15) 0%, transparent 60%),
                linear-gradient(180deg, rgba(7, 14, 34, 0.5) 0%, #0f172a 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 960px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.8rem;
    color: #ffffff;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin: 20px 0;
    line-height: 1.15;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-white-muted);
    max-width: 780px;
    margin: 0 auto 36px auto;
    font-weight: 400;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
}

/* Promise Ticker Bar */
.promise-bar {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin: 0 auto;
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid var(--slate-border);
    backdrop-filter: blur(16px);
    border-radius: 50px;
    padding: 18px 40px;
    display: flex;
    align-items: center;
    justify-content: space-around;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.promise-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #ffffff;
    font-weight: 600;
    font-size: 0.95rem;
}

.promise-item i {
    color: var(--brand-blue-glow);
    font-size: 1.1rem;
}

.promise-divider {
    width: 1px;
    height: 24px;
    background: rgba(255, 255, 255, 0.15);
}

/* ==========================================================================
   WHO WE ARE (ABOUT SECTION)
   ========================================================================== */
.about-section {
    background-color: #ffffff;
}

.about-image-wrapper {
    position: relative;
}

.about-img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
    object-fit: cover;
}

.glass-float-card {
    position: absolute;
    bottom: -25px;
    right: -20px;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid var(--slate-border);
    backdrop-filter: blur(12px);
    padding: 20px 28px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    gap: 16px;
    color: #ffffff;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.glass-float-card i {
    font-size: 2rem;
    color: var(--brand-blue-glow);
}

.glass-float-card span {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.stat-box {
    background: var(--bg-light);
    border-radius: var(--border-radius-sm);
    padding: 20px 16px;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.stat-box:hover {
    transform: translateY(-5px);
    background: #ffffff;
    border-color: var(--brand-blue);
    box-shadow: var(--shadow-sm);
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--brand-blue);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==========================================================================
   CERTIFICATIONS SECTION
   ========================================================================== */
.certifications-section {
    background: linear-gradient(180deg, var(--navy-deep) 0%, #070e22 100%);
    color: #ffffff;
    overflow: hidden;
}

.cert-filter-tabs {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 24px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50px;
    color: var(--text-white-muted);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn:hover, .tab-btn.active {
    background: var(--brand-blue);
    color: #ffffff;
    border-color: var(--brand-blue-glow);
    box-shadow: 0 0 20px rgba(0, 132, 255, 0.4);
}

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

.cert-card {
    background: rgba(30, 38, 64, 0.6);
    border: 1px solid var(--slate-border);
    backdrop-filter: blur(12px);
    border-radius: var(--border-radius);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.cert-card:hover {
    transform: translateY(-8px);
    background: rgba(30, 38, 64, 0.9);
    border-color: var(--brand-blue-glow);
    box-shadow: 0 15px 40px rgba(0, 132, 255, 0.25);
}

.cert-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
    display: inline-block;
    filter: drop-shadow(0 0 10px rgba(0, 210, 255, 0.4));
}

.cert-card h4 {
    color: #ffffff;
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.cert-card p {
    color: var(--text-white-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

.cert-badge-tag {
    position: absolute;
    top: 14px;
    right: 14px;
    font-size: 0.75rem;
    padding: 3px 10px;
    background: rgba(0, 132, 255, 0.2);
    border: 1px solid rgba(0, 210, 255, 0.3);
    border-radius: 20px;
    color: var(--brand-blue-glow);
    font-weight: 600;
}

/* ==========================================================================
   OFFERINGS & INTERACTIVE CALCULATOR
   ========================================================================== */
.offerings-section {
    background-color: var(--bg-light);
}

.specs-card {
    background: #ffffff;
    border-radius: var(--border-radius);
    padding: 36px;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.specs-table th, .specs-table td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

.specs-table th {
    background-color: #f1f5f9;
    color: var(--navy-dark);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
}

.specs-table td:first-child {
    font-weight: 600;
    color: var(--navy-dark);
}

.specs-table td:last-child {
    color: var(--brand-blue);
    font-weight: 700;
}

/* Calculator Box */
.calc-card {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    border: 1px solid var(--slate-border);
    border-radius: var(--border-radius);
    padding: 36px;
    color: #ffffff;
    box-shadow: var(--shadow-card);
}

.calc-form-group {
    margin-bottom: 22px;
}

.calc-label {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-white-muted);
}

.calc-label-val {
    color: var(--brand-blue-glow);
    font-weight: 700;
}

.calc-range {
    width: 100%;
    height: 8px;
    border-radius: 5px;
    background: #334155;
    outline: none;
    accent-color: var(--brand-blue-glow);
    cursor: pointer;
}

.calc-select {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    background: #0f172a;
    border: 1px solid var(--slate-border);
    color: #ffffff;
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
}

.calc-select:focus {
    border-color: var(--brand-blue-glow);
}

.calc-result-box {
    background: rgba(0, 132, 255, 0.1);
    border: 1px dashed var(--brand-blue-glow);
    border-radius: var(--border-radius-sm);
    padding: 20px;
    margin-top: 24px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    text-align: center;
}

.res-val {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--brand-blue-glow);
}

.res-lbl {
    font-size: 0.8rem;
    color: var(--text-white-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==========================================================================
   JOURNEY OF QUALITY (PROCESS SECTION)
   ========================================================================== */
.process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.process-card {
    background: #ffffff;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(0, 0, 0, 0.05);
    text-align: left;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.process-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 132, 255, 0.15);
    border-color: var(--brand-blue);
}

.process-img-wrapper {
    height: 200px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    position: relative;
    margin-bottom: 24px;
}

.process-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.process-card:hover .process-img {
    transform: scale(1.08);
}

.process-num {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 44px;
    height: 44px;
    background: var(--brand-blue);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(0, 132, 255, 0.4);
}

/* ==========================================================================
   GLOBAL LOGISTICS NETWORK
   ========================================================================== */
.logistics-section {
    background: linear-gradient(135deg, #070e22 0%, #0f172a 100%);
    color: #ffffff;
}

.region-selector {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin: 40px 0;
}

.region-btn {
    padding: 12px 28px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text-white-muted);
    font-family: var(--font-heading);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.region-btn:hover, .region-btn.active {
    background: var(--brand-blue);
    color: #ffffff;
    border-color: var(--brand-blue-glow);
    box-shadow: 0 0 25px rgba(0, 132, 255, 0.5);
}

.logistics-display {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid var(--slate-border);
    backdrop-filter: blur(16px);
    border-radius: var(--border-radius);
    padding: 40px;
}

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

.route-card {
    background: rgba(30, 38, 64, 0.5);
    border-radius: var(--border-radius-sm);
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.route-card h5 {
    color: var(--brand-blue-glow);
    font-size: 1.15rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ==========================================================================
   SUSTAINABILITY SECTION
   ========================================================================== */
.sustainability-section {
    background-color: #ffffff;
}

.feature-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #f1f5f9;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--navy-dark);
    margin-right: 10px;
    margin-bottom: 10px;
}

.feature-tag i {
    color: var(--brand-blue);
}

/* ==========================================================================
   GLOBAL CALL TO ACTION & MODAL
   ========================================================================== */
.cta-banner {
    position: relative;
    padding: 100px 0;
    background: linear-gradient(135deg, #070e22 0%, #0f172a 50%, #082046 100%);
    border-top: 1px solid var(--slate-border);
    border-bottom: 1px solid var(--slate-border);
    color: #ffffff;
    text-align: center;
    overflow: hidden;
    width: 100%;
}

.cta-banner .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 132, 255, 0.22) 0%, transparent 50%);
    pointer-events: none;
}

/* RFQ Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(7, 14, 34, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s ease;
    overflow-y: auto;
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.modal-container {
    background: #0f172a;
    border: 1px solid var(--slate-border);
    border-radius: var(--border-radius);
    width: 100%;
    max-width: 640px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 40px;
    position: relative;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(0, 132, 255, 0.2);
    transform: translateY(30px) scale(0.95);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: #ffffff;
}

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

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 1.5rem;
    color: var(--text-white-muted);
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--brand-blue-glow);
}

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

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-white-muted);
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    background: #1e293b;
    border: 1px solid var(--slate-border);
    border-radius: var(--border-radius-sm);
    color: #ffffff;
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--brand-blue-glow);
    box-shadow: 0 0 15px rgba(0, 210, 255, 0.25);
}

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

/* Toast */
.toast-notification {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--navy-dark);
    border: 1px solid var(--brand-blue-glow);
    border-radius: var(--border-radius-sm);
    padding: 16px 28px;
    color: #ffffff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    z-index: 3000;
    display: flex;
    align-items: center;
    gap: 14px;
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
}

.toast-notification.show {
    transform: translateY(0);
    opacity: 1;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    background: #070e22;
    color: var(--text-white-muted);
    padding: 80px 0 30px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand p {
    margin-top: 16px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-links h4, .footer-contact h4 {
    color: #ffffff;
    font-size: 1.15rem;
    margin-bottom: 24px;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a:hover {
    color: var(--brand-blue-glow);
    padding-left: 5px;
}

.footer-contact ul li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.footer-contact i {
    color: var(--brand-blue-glow);
    margin-top: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.875rem;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
    .grid-2-col, .grid-3-col, .grid-4-col, .process-grid, .route-grid {
        grid-template-columns: 1fr;
    }
    .section { padding: 70px 0; }
    .section-title { font-size: 2.25rem; }
    .hero-title { font-size: 2.75rem; }
    .promise-bar { flex-direction: column; gap: 14px; border-radius: 24px; padding: 20px 24px; }
    .promise-divider { display: none; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .cert-grid { grid-template-columns: repeat(2, 1fr); }
    .calc-result-box { grid-template-columns: 1fr; }
    .region-selector { flex-wrap: wrap; justify-content: center; gap: 10px; }
    .glass-float-card { position: relative; bottom: 0; right: 0; margin-top: 16px; width: 100%; justify-content: center; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .footer-bottom { flex-direction: column; text-align: center; gap: 12px; }
    .nav-menu {
        position: fixed;
        top: 76px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 76px);
        background: #0f172a;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 40px 20px;
        overflow-y: auto;
        transition: var(--transition);
        gap: 24px;
    }
    .nav-menu.active { left: 0; }
    .mobile-toggle { display: block; }
}

@media (max-width: 768px) {
    .specs-card, .calc-card, .logistics-display, .process-card {
        padding: 24px 18px;
    }
    .modal-container {
        padding: 28px 20px;
    }
}

@media (max-width: 576px) {
    .container { padding: 0 16px; }
    .logo-svg { height: 42px; }
    .hero { padding-top: 120px; padding-bottom: 60px; }
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 1rem; margin-bottom: 24px; }
    .cert-grid { grid-template-columns: 1fr; }
    .hero-cta { flex-direction: column; width: 100%; gap: 12px; }
    .btn { width: 100%; white-space: normal; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .stat-number { font-size: 1.6rem; }
    .stat-box { padding: 16px 10px; }
    .modal-container { max-height: 92vh; padding: 24px 16px; }
    .feature-tag { font-size: 0.825rem; margin-right: 6px; margin-bottom: 8px; }
}