/* ==========================================================================
   HEXA EXPLORATION & PRODUCTION (HEXAEP) - EXECUTIVE UPSTREAM DESIGN SYSTEM
   Optimized for Client Presentation: Elevated Navy/Petroleum Palette, High-Contrast
   Readability, Smooth 60FPS Performance, & 100% Responsive Mobile Optimization
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;600;700&display=swap');

:root {
    /* Executive Rich Petroleum Palette (Brightened & Balanced, Not Too Dark) */
    --bg-main: #0B132B;
    --bg-secondary: #111D4A;
    --bg-card: rgba(28, 41, 78, 0.75);
    --bg-card-hover: rgba(36, 54, 98, 0.88);
    --bg-light-glow: rgba(0, 242, 254, 0.12);
    
    /* Vibrant Accent Glows */
    --primary-cyan: #00F2FE;
    --primary-blue: #3B82F6;
    --accent-gold: #FFB300;
    --accent-gold-hover: #FFC107;
    --accent-emerald: #10B981;
    --accent-purple: #C084FC;

    /* High-Contrast Crisp Typography */
    --text-main: #FFFFFF;
    --text-body: #F1F5F9;
    --text-muted: #CBD5E1;
    --text-dim: #94A3B8;

    /* Borders & Elevations */
    --border-subtle: rgba(255, 255, 255, 0.15);
    --border-glow: rgba(0, 242, 254, 0.45);
    --border-gold: rgba(255, 179, 0, 0.5);
    --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.35);
    --shadow-glow-cyan: 0 0 25px rgba(0, 242, 254, 0.35);
    --shadow-glow-gold: 0 0 25px rgba(255, 179, 0, 0.35);

    /* Typography Families */
    --font-heading: 'Outfit', -apple-system, sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

/* ==========================================================================
   GLOBAL RESET & PERFORMANCE OPTIMIZATIONS
   ========================================================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background: linear-gradient(135deg, #0B132B 0%, #0F172A 50%, #111D4A 100%);
    background-attachment: fixed;
    color: var(--text-body);
    font-family: var(--font-body);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

@media (max-width: 600px) {
    .container {
        padding: 0 16px;
    }
}

/* Typography Utility */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-main);
    font-weight: 700;
    line-height: 1.25;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.25s ease;
}

.mono {
    font-family: var(--font-mono);
}

/* Gradient Text Highlights */
.text-gradient-cyan {
    background: linear-gradient(90deg, #FFFFFF 0%, #00F2FE 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-gold {
    background: linear-gradient(90deg, #FFFFFF 0%, #FFB300 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-purple {
    background: linear-gradient(90deg, #FFFFFF 0%, #C084FC 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   BUTTONS & BADGES (TOUCH FRIENDLY FOR MOBILE)
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    padding: 14px 28px;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    text-align: center;
    min-height: 48px; /* Touch accessible */
}

.btn-primary {
    background: linear-gradient(135deg, #00F2FE 0%, #1D4ED8 100%);
    color: #FFFFFF;
    box-shadow: 0 6px 20px rgba(0, 242, 254, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(0, 242, 254, 0.55);
}

.btn-gold {
    background: linear-gradient(135deg, #FFB300 0%, #D97706 100%);
    color: #0F172A;
    font-weight: 700;
    box-shadow: 0 6px 20px rgba(255, 179, 0, 0.35);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(255, 179, 0, 0.55);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.25);
    color: #FFFFFF;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.16);
    border-color: #00F2FE;
    transform: translateY(-2px);
}

@media (max-width: 600px) {
    .btn {
        width: 100%;
        padding: 14px 22px;
        font-size: 0.95rem;
    }
}

.badge-glow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 242, 254, 0.12);
    border: 1px solid rgba(0, 242, 254, 0.4);
    color: #FFFFFF;
    font-size: 0.82rem;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 30px;
    margin-bottom: 20px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #00F2FE;
    box-shadow: 0 0 10px #00F2FE;
    display: inline-block;
}

/* ==========================================================================
   GLASSMORPHISM CARDS (ELEVATED & CRISP CONTRAST)
   ========================================================================== */
.glass-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 36px;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.glass-panel:hover {
    border-color: var(--primary-cyan);
    box-shadow: 0 18px 40px rgba(0, 242, 254, 0.15);
    transform: translateY(-3px);
}

.glow-border-card {
    position: relative;
    border-radius: 24px;
    padding: 2px;
    background: linear-gradient(135deg, rgba(0, 242, 254, 0.5), rgba(255, 179, 0, 0.5));
    box-shadow: var(--shadow-lg);
}

.glow-border-card-inner {
    background: #111D4A;
    border-radius: 22px;
    padding: 36px;
    height: 100%;
}

@media (max-width: 600px) {
    .glass-panel, .glow-border-card-inner {
        padding: 24px 20px;
        border-radius: 16px;
    }
}

/* ==========================================================================
   NAVIGATION BAR (FULLY MOBILE OPTIMIZED)
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
    background: rgba(11, 19, 43, 0.9);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar.scrolled {
    background: rgba(11, 19, 43, 0.98);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

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

.nav-logo-img {
    height: 48px;
    width: auto;
}

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

.nav-brand-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    color: #FFFFFF;
    letter-spacing: 0.04em;
    line-height: 1.1;
}

.nav-brand-sub {
    font-size: 0.72rem;
    color: var(--primary-cyan);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 600;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
}

.nav-link {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-body);
    position: relative;
    padding: 6px 0;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-cyan);
    border-radius: 2px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: #FFFFFF;
    font-size: 1.6rem;
    cursor: pointer;
    padding: 8px;
}

/* MOBILE NAVBAR BREAKPOINTS */
@media (max-width: 1024px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: #0B132B;
        flex-direction: column;
        padding: 24px;
        border-bottom: 2px solid var(--primary-cyan);
        box-shadow: 0 20px 40px rgba(0,0,0,0.6);
        gap: 16px;
    }

    .nav-links.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }

    .nav-actions .btn-outline {
        display: none; /* Hide secondary button on mobile navbar to avoid clutter */
    }
}

@media (max-width: 600px) {
    .nav-container {
        height: 70px;
    }

    .nav-brand-title {
        font-size: 1.15rem;
    }

    .nav-brand-sub {
        font-size: 0.65rem;
    }

    .nav-actions .btn-primary {
        padding: 8px 16px;
        font-size: 0.82rem;
    }
}

/* ==========================================================================
   HERO SECTION (SMOOTH & LIGHTWEIGHT CANVAS)
   ========================================================================== */
.hero-section {
    position: relative;
    padding: 160px 0 100px;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background-size: cover !important;
    background-position: center !important;
}

#heroCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 820px;
}

.hero-title {
    font-size: clamp(2.4rem, 5.5vw, 4.2rem);
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 24px;
    line-height: 1.15;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-body);
    margin-bottom: 36px;
    max-width: 700px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 40px;
}

@media (max-width: 600px) {
    .hero-section {
        padding: 110px 0 60px;
        min-height: auto;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }
}

/* ==========================================================================
   METRICS COUNTER BAR
   ========================================================================== */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.metric-card {
    padding: 20px 10px;
}

.metric-icon {
    font-size: 1.8rem;
    color: var(--primary-cyan);
    margin-bottom: 12px;
}

.metric-value {
    display: block;
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 4px;
}

.metric-label {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: 600;
}

@media (max-width: 992px) {
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .metrics-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   VALUES & ETHICS CARDS GRID (100% RESPONSIVE)
   ========================================================================== */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.value-icon-circle {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.value-number {
    font-size: 1.4rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.25);
}

.value-card-sub {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: block;
    margin: 16px 0 6px;
}

.value-card-title {
    font-size: 1.5rem;
    color: #FFFFFF;
    margin-bottom: 12px;
}

@media (max-width: 1024px) {
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .values-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }
}

/* ==========================================================================
   INTERACTIVE JV CALCULATOR SECTION (RESPONSIVE STACKING)
   ========================================================================== */
.calculator-panel {
    background: rgba(17, 29, 74, 0.85);
    border: 1px solid var(--border-glow);
    border-radius: 24px;
    padding: 44px;
    box-shadow: var(--shadow-lg);
}

.slider-group {
    margin-bottom: 24px;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.slider-label {
    font-weight: 600;
    color: #FFFFFF;
    font-size: 0.95rem;
}

.slider-value-display {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--primary-cyan);
    background: rgba(0, 242, 254, 0.12);
    padding: 4px 12px;
    border-radius: 8px;
    border: 1px solid rgba(0, 242, 254, 0.3);
}

.custom-range {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.15);
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.custom-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #00F2FE;
    cursor: pointer;
    box-shadow: 0 0 15px #00F2FE;
}

@media (max-width: 860px) {
    .calculator-panel {
        padding: 24px 18px;
    }
    .calculator-panel > div {
        grid-template-columns: 1fr !important;
        gap: 28px !important;
    }
}

/* ==========================================================================
   ROADMAP TIMELINE TABS
   ========================================================================== */
.roadmap-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 36px;
    flex-wrap: wrap;
}

.roadmap-tab-btn {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-subtle);
    color: var(--text-body);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 24px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.25s ease;
}

.roadmap-tab-btn:hover, .roadmap-tab-btn.active {
    background: var(--primary-cyan);
    color: #0B132B;
    border-color: var(--primary-cyan);
    box-shadow: 0 0 18px rgba(0, 242, 254, 0.45);
    font-weight: 700;
}

.roadmap-pane {
    display: none;
}

.roadmap-pane.active {
    display: block;
    animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   RADAR SUBSURFACE SCANNER WIDGET
   ========================================================================== */
.radar-widget-box {
    border: 1px solid var(--border-subtle);
    border-radius: 24px;
    padding: 32px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.radar-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 28px;
}

.radar-circle-container {
    width: 220px;
    height: 220px;
    margin: 0 auto;
    border-radius: 50%;
    border: 2px solid rgba(0, 242, 254, 0.35);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle, rgba(0, 242, 254, 0.15) 0%, transparent 70%);
}

.radar-circle-inner {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    border: 1px dashed rgba(0, 242, 254, 0.4);
}

.radar-sweep {
    position: absolute;
    top: 0;
    left: 108px;
    width: 110px;
    height: 110px;
    background: linear-gradient(135deg, rgba(0, 242, 254, 0.5) 0%, transparent 80%);
    transform-origin: 0% 100%;
    animation: sweep 4s linear infinite;
    border-bottom: 2px solid #00F2FE;
}

@keyframes sweep {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.radar-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #FFB300;
    box-shadow: 0 0 10px #FFB300;
    position: absolute;
    animation: pulse 2s infinite;
}

.pos-1 { top: 40px; left: 140px; }
.pos-2 { top: 150px; left: 60px; }
.pos-3 { top: 90px; left: 80px; }

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.4); opacity: 0.6; }
}

/* ==========================================================================
   FUN, FRIENDLY 1-BY-1 INQUIRY ASSISTANT CHAT MODAL (NO SERVICES SHOWN)
   ========================================================================== */
.chatbot-modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(5, 10, 24, 0.85);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: 16px;
}

.chatbot-modal-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}

.chatbot-modal-box {
    width: 100%;
    max-width: 480px;
    background: #0F172A;
    border: 2px solid var(--primary-cyan);
    border-radius: 24px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), 0 0 35px rgba(0, 242, 254, 0.25);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    max-height: 85vh;
}

.chatbot-header {
    background: linear-gradient(135deg, #111D4A 0%, #1E293B 100%);
    padding: 18px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.chatbot-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chatbot-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00F2FE, #3B82F6);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0B132B;
    font-size: 1.3rem;
    font-weight: 800;
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.5);
}

.chatbot-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10B981;
    box-shadow: 0 0 8px #10B981;
    display: inline-block;
    margin-right: 6px;
}

.chatbot-close-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #FFFFFF;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all 0.2s ease;
}

.chatbot-close-btn:hover {
    background: #EF4444;
    color: #FFFFFF;
}

.chatbot-messages {
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-height: 440px;
    min-height: 280px;
    background: #0B132B;
}

.chat-bubble {
    max-width: 86%;
    padding: 14px 18px;
    border-radius: 18px;
    font-size: 0.95rem;
    line-height: 1.55;
    word-break: break-word;
}

.chat-bubble.bot {
    background: #1E293B;
    color: #FFFFFF;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.chat-bubble.user {
    background: linear-gradient(135deg, #00F2FE 0%, #2563EB 100%);
    color: #FFFFFF;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
    font-weight: 600;
}

.chatbot-input-area {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    background: #111D4A;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.chatbot-input {
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50px;
    padding: 12px 20px;
    color: #FFFFFF;
    font-size: 0.95rem;
    outline: none;
    font-family: var(--font-body);
}

.chatbot-input::placeholder {
    color: var(--text-dim);
}

.chatbot-input:focus {
    border-color: var(--primary-cyan);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
}

.chatbot-send-btn {
    background: var(--primary-cyan);
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    color: #0B132B;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.chatbot-send-btn:hover {
    transform: scale(1.08);
}

/* ==========================================================================
   FLOATING ACTION BUTTONS (WHATSAPP & INQUIRY ASSISTANT)
   ========================================================================== */
.floating-widgets-group {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    z-index: 900;
}

.float-icon-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: #FFFFFF;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
    position: relative;
    border: none;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.float-whatsapp {
    background: #25D366;
}

.float-chatbot {
    background: linear-gradient(135deg, #00F2FE 0%, #1D4ED8 100%);
}

.float-icon-btn:hover {
    transform: scale(1.12);
}

.float-tooltip {
    position: absolute;
    right: 68px;
    background: #0B132B;
    color: #FFFFFF;
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.float-icon-btn:hover .float-tooltip {
    opacity: 1;
}

@media (max-width: 600px) {
    .floating-widgets-group {
        bottom: 16px;
        right: 16px;
    }
    .float-icon-btn {
        width: 50px;
        height: 50px;
        font-size: 1.4rem;
    }
}

/* ==========================================================================
   FOOTER SECTION (FULLY RESPONSIVE STACKING)
   ========================================================================== */
.footer {
    background: #0B132B;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding: 80px 0 32px;
    color: var(--text-muted);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-col-title {
    color: #FFFFFF;
    font-size: 1.2rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.footer-links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links-list a {
    color: var(--text-body);
    font-size: 0.95rem;
}

.footer-links-list a:hover {
    color: var(--primary-cyan);
    padding-left: 4px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 0.92rem;
    color: var(--text-body);
}

.footer-contact-icon {
    color: var(--primary-cyan);
    font-size: 1.1rem;
    margin-top: 3px;
    flex-shrink: 0;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.88rem;
    flex-wrap: wrap;
    gap: 16px;
}

/* FOOTER RESPONSIVE STACKING */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

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

/* ==========================================================================
   SECTION HEADER UTILITY
   ========================================================================== */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 56px;
}

.section-tag {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--primary-cyan);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    display: block;
    margin-bottom: 12px;
    font-weight: 700;
}

.section-title {
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    color: #FFFFFF;
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-header p {
    font-size: 1.15rem;
    color: var(--text-body);
}

@media (max-width: 600px) {
    .section-header {
        margin-bottom: 36px;
    }
}