/* ============================================
   SMARTWMS PROPOSAL - FUTURISTIC DESIGN SYSTEM
   ============================================ */

/* CSS Custom Properties */
:root {
    /* Core Colors */
    --bg-deep: #030508;
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: #0d1420;
    --bg-elevated: #151d2e;

    /* Accent Colors */
    --cyan: #00f0ff;
    --cyan-dim: #00a8b3;
    --cyan-glow: rgba(0, 240, 255, 0.4);
    --magenta: #ff00aa;
    --magenta-dim: #b3007a;
    --magenta-glow: rgba(255, 0, 170, 0.4);
    --purple: #8b5cf6;
    --green: #00ff88;
    --orange: #ff6b35;

    /* Text Colors */
    --text-primary: #f0f4fc;
    --text-secondary: #8b99b3;
    --text-muted: #4b5563;

    /* Grid & Borders */
    --grid-color: rgba(0, 240, 255, 0.03);
    --border-color: rgba(0, 240, 255, 0.15);
    --border-glow: rgba(0, 240, 255, 0.3);

    /* Typography */
    --font-display: 'Orbitron', monospace;
    --font-heading: 'Rajdhani', sans-serif;
    --font-body: 'JetBrains Mono', monospace;

    /* Spacing */
    --section-padding: clamp(4rem, 10vw, 8rem);
    --container-width: 1400px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-body);
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   ANIMATED BACKGROUND
   ============================================ */

.bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: -3;
    opacity: 0.8;
}

.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
    z-index: -2;
    animation: float 20s ease-in-out infinite;
}

.bg-glow-1 {
    width: 600px;
    height: 600px;
    background: var(--cyan);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.bg-glow-2 {
    width: 500px;
    height: 500px;
    background: var(--magenta);
    bottom: 20%;
    left: -150px;
    animation-delay: -7s;
}

.bg-glow-3 {
    width: 400px;
    height: 400px;
    background: var(--purple);
    top: 50%;
    right: 10%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, 30px) scale(1.1); }
    50% { transform: translate(-30px, 60px) scale(0.95); }
    75% { transform: translate(40px, -20px) scale(1.05); }
}

#particles {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
}

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 clamp(1.5rem, 5vw, 4rem);
    background: linear-gradient(180deg, rgba(3, 5, 8, 0.95) 0%, rgba(3, 5, 8, 0.8) 100%);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-icon {
    font-size: 1.5rem;
    color: var(--cyan);
    text-shadow: 0 0 20px var(--cyan-glow);
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { text-shadow: 0 0 20px var(--cyan-glow); }
    50% { text-shadow: 0 0 40px var(--cyan-glow), 0 0 60px var(--cyan-glow); }
}

.brand-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition-base);
    position: relative;
}

.nav-links a:not(.nav-cta)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--cyan);
    box-shadow: 0 0 10px var(--cyan-glow);
    transition: var(--transition-base);
}

.nav-links a:not(.nav-cta):hover {
    color: var(--text-primary);
}

.nav-links a:not(.nav-cta):hover::after {
    width: 100%;
}

.nav-cta {
    padding: 0.6rem 1.25rem;
    background: transparent;
    border: 1px solid var(--cyan);
    color: var(--cyan) !important;
    border-radius: 4px;
    transition: var(--transition-base);
}

.nav-cta:hover {
    background: var(--cyan);
    color: var(--bg-deep) !important;
    box-shadow: 0 0 30px var(--cyan-glow);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
    padding: calc(80px + 4rem) clamp(1.5rem, 5vw, 4rem) 4rem;
    max-width: var(--container-width);
    margin: 0 auto;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 2rem;
    animation: fadeSlideUp 0.8s ease-out;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--cyan);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--cyan-glow);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 800;
    line-height: 1.05;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
    animation: fadeSlideUp 0.8s ease-out backwards;
}

.title-line:nth-child(1) { animation-delay: 0.1s; }
.title-line:nth-child(2) { animation-delay: 0.2s; }
.title-line:nth-child(3) { animation-delay: 0.3s; }

.gradient-text {
    background: linear-gradient(135deg, var(--cyan) 0%, var(--magenta) 50%, var(--purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 5s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes fadeSlideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 540px;
    margin-bottom: 2.5rem;
    animation: fadeSlideUp 0.8s ease-out 0.4s backwards;
}

.hero-subtitle strong {
    color: var(--text-primary);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2.5rem;
    animation: fadeSlideUp 0.8s ease-out 0.5s backwards;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--cyan);
    text-shadow: 0 0 20px var(--cyan-glow);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, transparent, var(--border-color), transparent);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    animation: fadeSlideUp 0.8s ease-out 0.6s backwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn svg {
    width: 18px;
    height: 18px;
    transition: var(--transition-base);
}

.btn-primary {
    background: var(--cyan);
    color: var(--bg-deep);
    box-shadow: 0 0 30px var(--cyan-glow);
}

.btn-primary:hover {
    background: var(--text-primary);
    box-shadow: 0 0 50px rgba(255, 255, 255, 0.3);
}

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

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

.btn-secondary:hover {
    border-color: var(--cyan);
    box-shadow: 0 0 20px var(--cyan-glow);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1rem;
}

.btn-glow {
    background: linear-gradient(135deg, var(--cyan) 0%, var(--magenta) 100%);
    color: var(--text-primary);
    box-shadow: 0 0 40px var(--cyan-glow), 0 0 60px var(--magenta-glow);
}

.btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 60px var(--cyan-glow), 0 0 80px var(--magenta-glow);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeSlideUp 0.8s ease-out 0.7s backwards;
}

.hex-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    transform: rotate(-10deg);
}

.hex {
    width: 120px;
    height: 120px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    transition: var(--transition-base);
    animation: hexPulse 3s ease-in-out infinite;
}

.hex:hover {
    transform: scale(1.1);
    border-color: var(--cyan);
    box-shadow: 0 0 30px var(--cyan-glow);
}

.hex-1 { animation-delay: 0s; }
.hex-2 { animation-delay: 0.5s; }
.hex-3 { animation-delay: 1s; }
.hex-4 { animation-delay: 1.5s; }
.hex-5 { animation-delay: 2s; }
.hex-6 { animation-delay: 2.5s; }

@keyframes hexPulse {
    0%, 100% {
        background: var(--bg-card);
        border-color: var(--border-color);
    }
    50% {
        background: rgba(0, 240, 255, 0.05);
        border-color: var(--cyan-dim);
    }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    animation: fadeSlideUp 0.8s ease-out 1s backwards;
}

.scroll-arrow {
    width: 24px;
    height: 40px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--cyan);
    border-radius: 2px;
    animation: scrollBounce 1.5s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50% { transform: translateX(-50%) translateY(12px); opacity: 0.3; }
}

/* ============================================
   SECTIONS COMMON
   ============================================ */

.section {
    padding: var(--section-padding) clamp(1.5rem, 5vw, 4rem);
    max-width: var(--container-width);
    margin: 0 auto;
    position: relative;
}

.section-header {
    margin-bottom: 4rem;
    text-align: center;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

/* ============================================
   OVERVIEW SECTION
   ============================================ */

.overview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.overview-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition-base);
}

.overview-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--cyan), var(--magenta));
    opacity: 0;
    transition: var(--transition-base);
}

.overview-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-glow);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

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

.card-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 1.5rem;
    color: var(--cyan);
}

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

.overview-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.card-role {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.card-list {
    list-style: none;
}

.card-list li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.card-list li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--cyan);
    font-weight: bold;
}

.card-list li strong {
    color: var(--cyan);
}

/* Value Proposition */
.value-proposition {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2.5rem;
}

.value-header h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 2rem;
    text-align: center;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.value-col h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.glow-accent {
    color: var(--cyan);
    text-shadow: 0 0 10px var(--cyan-glow);
}

.value-col ul {
    list-style: none;
}

.value-col li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.value-col li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 6px;
    height: 6px;
    background: var(--cyan);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--cyan-glow);
}

/* ============================================
   ARCHITECTURE SECTION
   ============================================ */

.architecture-diagram {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: 4rem;
}

.arch-layer {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem 2rem;
    position: relative;
}

.arch-layer:hover {
    border-color: var(--border-glow);
}

.layer-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 0.75rem;
}

.layer-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: linear-gradient(135deg, var(--cyan), var(--magenta));
    color: var(--bg-deep);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.layer-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.tech-badge {
    background: rgba(139, 92, 246, 0.2);
    border: 1px solid var(--purple);
    color: var(--purple);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.layer-title h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
}

.layer-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.layer-features span {
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.2);
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.marketplace-icons {
    display: flex;
    gap: 1rem;
}

.mp-icon {
    background: var(--bg-elevated);
    border: 1px dashed var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.arch-connector {
    height: 40px;
    width: 2px;
    background: linear-gradient(180deg, var(--border-color), var(--cyan), var(--border-color));
    margin: 0 auto;
    position: relative;
}

.connector-animated::after {
    content: '';
    position: absolute;
    top: 0;
    left: -3px;
    width: 8px;
    height: 8px;
    background: var(--cyan);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--cyan-glow);
    animation: dataFlow 1.5s ease-in-out infinite;
}

@keyframes dataFlow {
    0% { top: 0; opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

.connector-label {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.7rem;
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    white-space: nowrap;
}

.wms-integration {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--border-color);
}

.wms-arrow {
    color: var(--orange);
    font-size: 1.25rem;
    animation: arrowPulse 1s ease-in-out infinite;
}

@keyframes arrowPulse {
    0%, 100% { opacity: 0.5; transform: translateX(0); }
    50% { opacity: 1; transform: translateX(-5px); }
}

.wms-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.layer-courier .layer-title {
    margin-bottom: 1rem;
}

.courier-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.courier-badge {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.courier-badge:hover {
    border-color: var(--green);
    color: var(--green);
}

/* Tech Stack */
.tech-stack h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 2rem;
    text-align: center;
}

.stack-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1rem;
}

.stack-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem 1rem;
    text-align: center;
    transition: var(--transition-base);
}

.stack-item:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
}

.stack-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.stack-name {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.stack-desc {
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* ============================================
   FEATURES SECTION
   ============================================ */

.features-tabs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tab-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-base);
}

.tab-btn:hover {
    border-color: var(--cyan);
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--cyan);
    border-color: var(--cyan);
    color: var(--bg-deep);
    box-shadow: 0 0 20px var(--cyan-glow);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.75rem;
    transition: var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.feature-card h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* API Documentation */
.api-docs h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--cyan);
}

.api-docs h3:not(:first-child) {
    margin-top: 3rem;
}

.api-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.api-endpoint {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: flex-start;
}

.method {
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.method.get { background: rgba(0, 255, 136, 0.2); color: var(--green); }
.method.post { background: rgba(0, 240, 255, 0.2); color: var(--cyan); }
.method.put { background: rgba(255, 107, 53, 0.2); color: var(--orange); }
.method.webhook { background: rgba(139, 92, 246, 0.2); color: var(--purple); }

.endpoint {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.api-endpoint p {
    width: 100%;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0;
}

/* ============================================
   PHASES / TIMELINE SECTION
   ============================================ */

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--cyan), var(--magenta), var(--purple));
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    padding-bottom: 3rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: 0;
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    transition: var(--transition-base);
}

.timeline-item.active .timeline-marker {
    border-color: var(--cyan);
    box-shadow: 0 0 20px var(--cyan-glow);
}

.marker-number {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-muted);
}

.timeline-item.active .marker-number {
    color: var(--cyan);
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.75rem;
}

.timeline-item.active .timeline-content {
    border-color: var(--border-glow);
}

.phase-badge {
    display: inline-block;
    padding: 0.3rem 0.75rem;
    border-radius: 4px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background: var(--bg-elevated);
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.phase-badge.current {
    background: linear-gradient(135deg, var(--cyan), var(--magenta));
    color: var(--bg-deep);
}

.timeline-content h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.timeline-content ul {
    list-style: none;
}

.timeline-content li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.timeline-content li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--cyan);
}

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

/* Pilot Info */
.pilot-info {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.pilot-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.pilot-icon {
    font-size: 2rem;
}

.pilot-header h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
}

.pilot-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.metric {
    text-align: center;
    padding: 1.5rem 1rem;
    background: var(--bg-elevated);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.metric-value {
    display: block;
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--cyan);
    text-shadow: 0 0 15px var(--cyan-glow);
    margin-bottom: 0.25rem;
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ============================================
   SLA SECTION
   ============================================ */

.sla-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.sla-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition-base);
}

.sla-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.sla-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.sla-value {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--cyan);
    text-shadow: 0 0 20px var(--cyan-glow);
    margin-bottom: 0.25rem;
}

.sla-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.backup-info {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.backup-info h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 1.5rem;
}

.backup-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.backup-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-elevated);
    border-radius: 8px;
}

.backup-icon {
    font-size: 1.5rem;
}

.backup-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.section-contact {
    background: linear-gradient(180deg, transparent 0%, rgba(0, 240, 255, 0.03) 50%, transparent 100%);
}

.contact-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.contact-header {
    margin-bottom: 3rem;
}

.contact-header h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.next-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.step-number {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--cyan);
}

.step-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.step-arrow {
    color: var(--cyan);
    font-size: 1.25rem;
}

.contact-cta {
    display: flex;
    justify-content: center;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    border-top: 1px solid var(--border-color);
    padding: 3rem clamp(1.5rem, 5vw, 4rem);
}

.footer-content {
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-brand .brand-icon {
    font-size: 1.25rem;
}

.footer-brand .brand-text {
    font-size: 1rem;
}

.footer-meta p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.footer-meta .confidential {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
}

.footer-date {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    font-size: 0.8rem;
    color: var(--text-muted);
}

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

@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

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

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

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

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

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

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

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

@media (max-width: 768px) {
    .nav {
        padding: 0 1rem;
    }

    .nav-links {
        display: none;
    }

    .hero-title {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }

    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

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

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

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

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

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        padding-left: 60px;
    }

    .timeline-marker {
        width: 40px;
        height: 40px;
    }

    .sla-grid,
    .pilot-metrics,
    .backup-grid {
        grid-template-columns: 1fr;
    }

    .next-steps {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

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

    .footer-date {
        align-items: center;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 3rem 1rem;
    }

    .hero {
        padding: calc(80px + 2rem) 1rem 2rem;
    }

    .features-tabs {
        flex-direction: column;
    }

    .tab-btn {
        width: 100%;
    }
}