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

:root {
    --primary: #5b5fef;
    --primary-dark: #4338ca;
    --primary-light: #a5b4fc;
    --accent: #7c3aed;
    --bg: #f6f7fd;
    --bg-dark: #07070e;
    --bg-card: #ffffff;
    --text: #0a0920;
    --text-muted: #556070;
    --text-light: #eef2ff;
    --border: #e2e6f3;
    --shadow: 0 2px 8px rgba(0,0,0,0.05);
    --shadow-lg: 0 24px 56px -12px rgba(91,95,239,0.2);
    --shadow-card: 0 1px 2px rgba(0,0,0,0.03), 0 6px 20px rgba(91,95,239,0.07);
    --radius: 12px;
    --radius-lg: 18px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(248,249,254,0.88);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(228,232,242,0.8);
    padding: 14px 0;
}

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

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


.nav-links { display: flex; list-style: none; gap: 32px; }
.nav-links a { text-decoration: none; color: var(--text-muted); font-size: 0.9rem; font-weight: 500; transition: color var(--transition); }
.nav-links a:hover { color: var(--primary); }
.btn-nav { font-size: 0.85rem; padding: 8px 20px; }

.mobile-menu-btn { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.mobile-menu-btn span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

.mobile-menu { display: none; position: fixed; top: 65px; left: 0; right: 0; background: var(--bg-card); border-bottom: 1px solid var(--border); padding: 24px; z-index: 999; box-shadow: var(--shadow-lg); }
.mobile-menu.active { display: block; }
.mobile-menu ul { list-style: none; display: flex; flex-direction: column; gap: 16px; }
.mobile-menu a { text-decoration: none; color: var(--text); font-size: 1.1rem; font-weight: 500; }

/* ===== Buttons ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 11px 26px; border-radius: 50px; font-size: 0.9rem; font-weight: 600; text-decoration: none; border: none; cursor: pointer; transition: all var(--transition); font-family: inherit; letter-spacing: 0.1px; }
.btn-primary { background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%); color: white; box-shadow: 0 4px 18px rgba(91,95,239,0.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(91,95,239,0.48); }
.btn-secondary { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-secondary:hover { background: var(--primary); color: white; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--text-muted); border: 1.5px solid var(--border); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: rgba(91,95,239,0.04); }
.btn-lg { padding: 15px 34px; font-size: 1rem; }
.btn-full { width: 100%; }
.btn.loading { pointer-events: none; opacity: 0.7; }

/* ===== Hero Section ===== */
.hero { position: relative; padding: 168px 0 108px; text-align: center; overflow: hidden; }
.hero-content { position: relative; z-index: 2; }
/* Subtle grid lines behind hero */
.hero::after { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(99,102,241,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(99,102,241,0.04) 1px, transparent 1px); background-size: 48px 48px; pointer-events: none; z-index: 1; mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%); -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%); }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 7px 18px; background: rgba(91,95,239,0.06); color: var(--primary); border-radius: 50px; font-size: 0.72rem; font-weight: 700; margin-bottom: 32px; border: 1px solid rgba(91,95,239,0.16); letter-spacing: 0.8px; text-transform: uppercase; }
.hero h1 { font-size: clamp(2.6rem, 6vw, 4.2rem); font-weight: 800; line-height: 1.1; letter-spacing: -2px; margin-bottom: 24px; background: linear-gradient(135deg, var(--text) 0%, var(--primary) 60%, var(--accent) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-description { font-size: clamp(1rem, 2vw, 1.15rem); color: var(--text-muted); max-width: 600px; margin: 0 auto 40px; line-height: 1.8; font-weight: 400; }
.hero-ctas { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 60px; }
.hero-stats { display: flex; justify-content: center; gap: 0; flex-wrap: wrap; border: 1px solid var(--border); border-radius: 14px; background: var(--bg-card); box-shadow: var(--shadow-card); overflow: hidden; max-width: 460px; margin: 0 auto; }
.stat { display: flex; flex-direction: column; align-items: center; padding: 18px 36px; flex: 1; position: relative; }
.stat + .stat::before { content: ''; position: absolute; left: 0; top: 20%; height: 60%; width: 1px; background: var(--border); }
.stat-number { font-size: 1.6rem; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; }
.stat-label { font-size: 0.72rem; color: var(--text-muted); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.6px; font-weight: 500; }
.hero-glow { position: absolute; top: -200px; left: 50%; transform: translateX(-50%); width: 900px; height: 900px; background: radial-gradient(circle, rgba(99,102,241,0.1) 0%, rgba(139,92,246,0.04) 40%, transparent 70%); pointer-events: none; }

/* ===== Sections ===== */
.section { padding: 110px 0; }
.section-dark { background: var(--bg-dark); color: var(--text-light); }
.section-header { text-align: center; margin-bottom: 72px; }
.section-header h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 800; letter-spacing: -1px; margin-bottom: 16px; }
.section-header h2::before { content: ''; display: block; width: 32px; height: 3px; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 2px; margin: 0 auto 20px; }
.section-header p { font-size: 1rem; color: var(--text-muted); max-width: 520px; margin: 0 auto; line-height: 1.8; }
.section-badge { display: inline-block; padding: 6px 16px; background: rgba(139,92,246,0.15); color: var(--primary-light); border-radius: 50px; font-size: 0.72rem; font-weight: 600; margin-bottom: 16px; border: 1px solid rgba(139,92,246,0.25); letter-spacing: 0.5px; text-transform: uppercase; }

/* ===== Features Grid ===== */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.feature-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px 28px; transition: all var(--transition); box-shadow: var(--shadow-card); position: relative; overflow: hidden; }
.feature-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--primary), var(--accent)); opacity: 0; transition: opacity var(--transition); border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(91,95,239,0.12); }
.feature-card:hover::before { opacity: 1; }
.feature-icon { width: 48px; height: 48px; border-radius: 13px; background: linear-gradient(135deg, rgba(91,95,239,0.09), rgba(124,58,237,0.06)); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; border: 1px solid rgba(91,95,239,0.11); flex-shrink: 0; }
.feature-icon i { font-size: 1.2rem; color: var(--primary); }
.feature-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; color: var(--text); letter-spacing: -0.1px; }
.feature-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.75; }

/* ===== Astra Section ===== */
.astra-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.astra-content h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 800; margin-bottom: 20px; letter-spacing: -1px; }
.astra-description { font-size: 0.97rem; color: rgba(241,245,249,0.65); margin-bottom: 32px; line-height: 1.8; }
.astra-features { list-style: none; display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.astra-features li { display: flex; align-items: flex-start; gap: 12px; font-size: 0.92rem; color: rgba(241,245,249,0.82); }
.check { width: 20px; height: 20px; border-radius: 50%; background: rgba(52,211,153,0.12); border: 1px solid rgba(52,211,153,0.3); display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px; }
.check i { font-size: 0.6rem; color: #34d399; }
.astra-highlight { font-style: italic; color: var(--primary-light); font-size: 1.05rem; font-weight: 500; }
.astra-visual { display: flex; flex-direction: column; align-items: center; gap: 32px; }
.astra-orb { position: relative; width: 220px; height: 220px; display: flex; align-items: center; justify-content: center; }
.orb-ring { position: absolute; inset: 0; border-radius: 50%; border: 2px solid rgba(99,102,241,0.3); animation: pulse 3s ease-in-out infinite; }
.orb-ring-2 { inset: -20px; border-color: rgba(139,92,246,0.15); animation-delay: 1.5s; }
.orb-core { width: 120px; height: 120px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.1rem; color: white; box-shadow: 0 0 80px rgba(91,95,239,0.5), 0 0 30px rgba(124,58,237,0.3); letter-spacing: -0.3px; }
.device-tags { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.device-tag { padding: 6px 14px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 50px; font-size: 0.75rem; font-weight: 500; color: rgba(238,242,255,0.65); display: flex; align-items: center; gap: 6px; letter-spacing: 0.1px; }
.device-tag i { font-size: 0.75rem; }

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.08); opacity: 0.6; }
}

/* ===== Astra Demos Carousel ===== */
.astra-demos {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.demos-title {
    text-align: center;
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-light);
}

.demos-subtitle {
    text-align: center;
    font-size: 0.95rem;
    color: rgba(248,250,252,0.5);
    margin-bottom: 40px;
}

.carousel-container {
    display: flex;
    align-items: center;
    gap: 16px;
}

.carousel-viewport {
    flex: 1;
    overflow: hidden;
    border-radius: var(--radius-lg);
    min-width: 0;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

/* THIS IS THE KEY FIX: flex: 0 0 100% forces each card to be exactly viewport width */
.demo-card {
    flex: 0 0 100%;
    width: 100%;
    padding: 32px;
    border-radius: var(--radius-lg);
}

/* Different gradient backgrounds for each card */
.demo-gradient-1 { background: linear-gradient(135deg, rgba(99,102,241,0.12) 0%, rgba(59,130,246,0.08) 100%); border: 1px solid rgba(99,102,241,0.2); }
.demo-gradient-2 { background: linear-gradient(135deg, rgba(16,185,129,0.1) 0%, rgba(52,211,153,0.06) 100%); border: 1px solid rgba(16,185,129,0.2); }
.demo-gradient-3 { background: linear-gradient(135deg, rgba(245,158,11,0.1) 0%, rgba(251,191,36,0.06) 100%); border: 1px solid rgba(245,158,11,0.15); }
.demo-gradient-4 { background: linear-gradient(135deg, rgba(139,92,246,0.12) 0%, rgba(167,139,250,0.06) 100%); border: 1px solid rgba(139,92,246,0.2); }
.demo-gradient-5 { background: linear-gradient(135deg, rgba(236,72,153,0.1) 0%, rgba(244,114,182,0.06) 100%); border: 1px solid rgba(236,72,153,0.15); }
.demo-gradient-6 { background: linear-gradient(135deg, rgba(6,182,212,0.1) 0%, rgba(34,211,238,0.06) 100%); border: 1px solid rgba(6,182,212,0.15); }
.demo-gradient-7 { background: linear-gradient(135deg, rgba(249,115,22,0.1) 0%, rgba(251,146,60,0.06) 100%); border: 1px solid rgba(249,115,22,0.15); }
.demo-gradient-8 { background: linear-gradient(135deg, rgba(99,102,241,0.1) 0%, rgba(236,72,153,0.08) 100%); border: 1px solid rgba(99,102,241,0.18); }

.demo-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.demo-icon { font-size: 1.2rem; color: var(--primary-light); }

.demo-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary-light);
    flex: 1;
}

.demo-mode {
    font-size: 0.72rem;
    padding: 4px 10px;
    background: rgba(99,102,241,0.15);
    border: 1px solid rgba(99,102,241,0.25);
    border-radius: 50px;
    color: var(--primary-light);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}

.demo-mode i { font-size: 0.65rem; }

.chat-window {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-msg {
    padding: 14px 18px;
    border-radius: 14px;
    max-width: 85%;
}

.user-msg {
    background: rgba(99,102,241,0.15);
    border: 1px solid rgba(99,102,241,0.25);
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.astra-msg {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.msg-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.msg-sender {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: rgba(248,250,252,0.5);
}

.voice-indicator {
    font-size: 0.7rem;
    opacity: 0.6;
    color: var(--primary-light);
}

.chat-msg p {
    font-size: 0.88rem;
    line-height: 1.5;
    color: rgba(248,250,252,0.9);
}

.msg-subtle {
    color: rgba(248,250,252,0.5) !important;
    font-style: italic;
    margin-top: 6px;
}

.msg-info-box {
    background: rgba(0,0,0,0.25);
    border-radius: 8px;
    padding: 10px 14px;
    margin: 8px 0;
}

.msg-info-box p {
    font-size: 0.82rem !important;
    margin-bottom: 3px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.msg-check-icon {
    font-size: 0.75rem;
    color: #34d399;
}

.msg-terminal {
    background: rgba(0,0,0,0.4);
    border-radius: 8px;
    padding: 10px 14px;
    margin: 8px 0;
    font-family: 'Courier New', monospace;
}

.msg-terminal p {
    font-size: 0.78rem !important;
    color: #34d399 !important;
    margin-bottom: 2px;
}

.carousel-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.15);
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background: rgba(99,102,241,0.3);
    border-color: var(--primary);
    transform: scale(1.05);
}

.carousel-btn i { font-size: 1.2rem; }

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 28px;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    padding: 0;
}

.carousel-dot.active {
    background: var(--primary);
    width: 28px;
    border-radius: 4px;
}

/* ===== Pricing ===== */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; }
.pricing-grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); max-width: 1000px; margin: 0 auto; }
.pricing-card { position: relative; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px 28px; transition: all var(--transition); box-shadow: var(--shadow-card); }
.pricing-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.pricing-card-popular { border-color: var(--primary); box-shadow: 0 8px 40px rgba(99,102,241,0.15); background: linear-gradient(180deg, rgba(99,102,241,0.025) 0%, #ffffff 60%); }
.popular-badge { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); padding: 5px 18px; background: linear-gradient(135deg, var(--primary), var(--accent)); color: white; border-radius: 50px; font-size: 0.68rem; font-weight: 700; white-space: nowrap; letter-spacing: 0.5px; text-transform: uppercase; box-shadow: 0 4px 12px rgba(99,102,241,0.35); }
.pricing-tier { font-size: 0.72rem; font-weight: 700; margin-bottom: 16px; color: var(--primary); text-transform: uppercase; letter-spacing: 1.2px; }
.pricing-price { font-size: 2.8rem; font-weight: 800; margin-bottom: 4px; letter-spacing: -1.5px; color: var(--text); }
.pricing-price span { font-size: 0.88rem; font-weight: 400; color: var(--text-muted); letter-spacing: 0; }
.pricing-note { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.pricing-features { list-style: none; display: flex; flex-direction: column; gap: 11px; margin-bottom: 28px; }
.pricing-features li { font-size: 0.875rem; color: var(--text-muted); padding-left: 20px; position: relative; line-height: 1.5; }
.pricing-features li::before { content: ""; position: absolute; left: 0; top: 7px; width: 7px; height: 7px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); }
.pricing-note-box { text-align: center; margin-top: 40px; padding: 20px 28px; background: rgba(99,102,241,0.04); border: 1px solid rgba(99,102,241,0.1); border-radius: var(--radius); }
.pricing-note-box p { font-size: 0.9rem; color: var(--text-muted); }
.oversubscribed-note { text-align: center; margin-top: 24px; font-size: 0.9rem; color: var(--text-muted); font-style: italic; }

/* ===== Availability Badge ===== */
.availability-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
    padding: 10px 20px;
    background: linear-gradient(135deg, rgba(16,185,129,0.1), rgba(5,150,105,0.08));
    border: 1px solid rgba(16,185,129,0.25);
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 600;
    color: #059669;
    letter-spacing: 0.1px;
}

.availability-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 0 3px rgba(16,185,129,0.2);
    flex-shrink: 0;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 0 3px rgba(16,185,129,0.2); }
    50% { box-shadow: 0 0 0 6px rgba(16,185,129,0.08); }
}

/* ===== Plan Limits Bar ===== */
.plan-limits {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 20px;
    padding: 12px 14px;
    background: rgba(99,102,241,0.04);
    border: 1px solid rgba(99,102,241,0.1);
    border-radius: 10px;
    gap: 4px;
}

.limit-sep {
    width: 1px;
    height: 24px;
    background: var(--border);
    flex-shrink: 0;
}

.limit-item {
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 0.3px;
    cursor: default;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    flex: 1;
    text-align: center;
    border-bottom: 1px dotted var(--text-muted);
    padding-bottom: 2px;
    width: fit-content;
    margin: 0 auto;
}

.limit-item strong {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text);
    border-bottom: none;
    display: block;
    margin-top: 1px;
}

/* Tooltip */
.limit-item::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--text);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 400;
    line-height: 1.4;
    padding: 7px 11px;
    border-radius: 7px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
    transform: translateX(-50%) translateY(4px);
    z-index: 10;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    max-width: 220px;
    white-space: normal;
    text-align: center;
}

.limit-item::before {
    content: '';
    position: absolute;
    bottom: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--text);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: 10;
}

.limit-item:hover::after,
.limit-item:hover::before {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ===== CTA Section ===== */
.section-cta { background: linear-gradient(160deg, rgba(91,95,239,0.05) 0%, rgba(124,58,237,0.05) 100%); border-top: 1px solid var(--border); position: relative; overflow: hidden; }
.section-cta::before { content: ''; position: absolute; top: -120px; left: 50%; transform: translateX(-50%); width: 600px; height: 300px; background: radial-gradient(ellipse, rgba(91,95,239,0.08) 0%, transparent 70%); pointer-events: none; }
.cta-content { text-align: center; max-width: 600px; margin: 0 auto; }
.cta-content h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 800; margin-bottom: 16px; letter-spacing: -1px; }
.cta-content p { color: var(--text-muted); margin-bottom: 32px; line-height: 1.8; font-size: 1rem; }

/* ===== Footer ===== */
.footer { padding: 18px 0; border-top: 1px solid var(--border); background: var(--bg-card); }
.footer-content { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-brand p { font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; letter-spacing: 0.1px; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { text-decoration: none; color: var(--text-muted); font-size: 0.78rem; font-weight: 500; transition: color var(--transition); }
.footer-links a:hover { color: var(--primary); }

/* ===== Modal ===== */
.modal-overlay { position: fixed; inset: 0; background: rgba(15,15,26,0.6); backdrop-filter: blur(8px); display: flex; align-items: center; justify-content: center; z-index: 2000; opacity: 0; visibility: hidden; transition: all var(--transition); padding: 24px; }
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal { background: var(--bg-card); border-radius: var(--radius-lg); padding: 40px; max-width: 460px; width: 100%; position: relative; transform: translateY(20px); transition: transform var(--transition); box-shadow: 0 32px 64px rgba(0,0,0,0.18), 0 0 0 1px rgba(91,95,239,0.06); }
.modal-legal { max-width: 600px; max-height: 80vh; overflow-y: auto; }
.modal-overlay.active .modal { transform: translateY(0); }
.modal-close { position: absolute; top: 16px; right: 20px; background: none; border: none; font-size: 1.8rem; color: var(--text-muted); cursor: pointer; line-height: 1; transition: color var(--transition); }
.modal-close:hover { color: var(--text); }
.modal h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 8px; }
.modal p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 28px; line-height: 1.6; }

.legal-content h4 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; margin-top: 20px; color: var(--text); }
.legal-content h4:first-child { margin-top: 0; }
.legal-content p { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 12px; line-height: 1.6; }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 500; margin-bottom: 6px; color: var(--text); }
.form-group input, .form-group select { width: 100%; padding: 12px 16px; border: 1.5px solid var(--border); border-radius: var(--radius); font-size: 0.95rem; font-family: inherit; background: var(--bg); color: var(--text); transition: border-color var(--transition); appearance: none; -webkit-appearance: none; }
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }
.form-group select { 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='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px; }

/* Form Success */
.form-success { text-align: center; padding: 20px 0; }
.success-icon { width: 60px; height: 60px; border-radius: 50%; background: linear-gradient(135deg, #34d399, #10b981); color: white; font-size: 1.5rem; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
.form-success h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.form-success p { color: var(--text-muted); }

/* ===== Dark section card overrides ===== */
.section-dark .feature-card { background: rgba(255,255,255,0.025); border-color: rgba(255,255,255,0.06); box-shadow: none; }
.section-dark .feature-card:hover { background: rgba(255,255,255,0.05); border-color: rgba(91,95,239,0.3); box-shadow: 0 16px 40px rgba(0,0,0,0.3); }
.section-dark .feature-card h3 { color: rgba(238,242,255,0.95); }
.section-dark .feature-card p { color: rgba(238,242,255,0.45); }
.section-dark .feature-icon { background: rgba(91,95,239,0.14); border-color: rgba(91,95,239,0.18); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .astra-layout { grid-template-columns: 1fr; gap: 48px; }
    .astra-visual { order: -1; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .btn-nav { display: none; }
    .mobile-menu-btn { display: flex; }
    .hero { padding: 130px 0 80px; }
    .hero-stats { gap: 32px; }
    .section { padding: 72px 0; }
    .features-grid { grid-template-columns: 1fr; }
    .pricing-grid, .pricing-grid-3 { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .footer-content { flex-direction: column; text-align: center; }
    .modal { padding: 28px; }
    .carousel-btn { width: 36px; height: 36px; }
    .carousel-btn i { font-size: 1rem; }
    .carousel-container { gap: 8px; }
    .demo-card { padding: 20px; }
    .chat-msg { max-width: 92%; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero h1 { font-size: 2rem; }
    .hero-ctas { flex-direction: column; align-items: center; }
    .btn-lg { padding: 14px 28px; width: 100%; max-width: 300px; }
    .astra-orb { width: 160px; height: 160px; }
    .orb-core { width: 90px; height: 90px; font-size: 1rem; }
    .demo-card { padding: 16px; }
    .chat-msg { max-width: 96%; padding: 10px 14px; }
    .carousel-btn { width: 30px; height: 30px; }
    .carousel-btn i { font-size: 0.85rem; }
    .carousel-container { gap: 6px; }
    .demo-header { flex-wrap: wrap; gap: 6px; }
    .demo-mode { font-size: 0.65rem; }
}