/* ==========================================================================
   EIDOLON PRODUCT DESIGN SYSTEM
   Deep Space Orbit Theme (Nebula / Symbiosis / Ember / Mint Accents)
   ========================================================================== */

:root {
    /* Color Palette - Track A: Deep Space */
    --void: #0b0a14;
    --void-card: rgba(20, 18, 31, 0.82);
    --void-card-hover: rgba(28, 25, 45, 0.95);
    --void-border: rgba(255, 255, 255, 0.08);
    --void-border-glow: rgba(124, 58, 237, 0.4);

    /* Track A Colors */
    --nebula: #7c3aed;
    --nebula-light: #9d5cf7;
    --symbio: #ec4899;
    --symbio-light: #f472b6;
    --ember: #f59e0b;
    --cyan: #06b6d4;
    --cyan-light: #22d3ee;

    /* Track B Accents (Mint Cream) */
    --mint: #86B8AD;
    --mint-deep: #5E8F85;
    --mint-soft: rgba(134, 184, 173, 0.15);

    /* Typography Colors */
    --starlight: #f4f2fa;
    --star-dim: rgba(244, 242, 250, 0.65);
    --star-muted: rgba(244, 242, 250, 0.4);

    /* Typography */
    --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Gradients */
    --grad-nebula: linear-gradient(135deg, #7c3aed, #ec4899);
    --grad-cyan: linear-gradient(135deg, #06b6d4, #3b82f6);
    --grad-ember: linear-gradient(135deg, #f59e0b, #ec4899);
    --grad-title: linear-gradient(135deg, #c084fc 0%, #f472b6 45%, #38bdf8 100%);

    /* Radii & Spacing */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 32px;
    --radius-full: 9999px;
    --max-width: 1200px;

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --transition: 0.35s var(--ease-out);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--void);
    color: var(--starlight);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
}

body {
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    line-height: 1.65;
    background-color: var(--void);
}

/* Ambient Background Layers */
.bg-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.bg-grid {
    background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 70% 50% at 50% 25%, #000 30%, transparent 80%);
}

.bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.28;
    pointer-events: none;
    animation: orbFloat 20s ease-in-out infinite alternate;
}

.orb-1 { top: -10%; left: 15%; width: 550px; height: 550px; background: radial-gradient(circle, var(--nebula) 0%, transparent 70%); }
.orb-2 { top: 40%; right: -5%; width: 600px; height: 600px; background: radial-gradient(circle, var(--symbio) 0%, transparent 70%); animation-delay: -6s; }
.orb-3 { top: 75%; left: 10%; width: 450px; height: 450px; background: radial-gradient(circle, var(--cyan) 0%, transparent 70%); animation-delay: -12s; }

@keyframes orbFloat {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(50px, 30px) scale(1.1); }
    100% { transform: translate(-30px, 60px) scale(0.95); }
}

/* Layout Container */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* Typography */
h1, h2, h3, h4, .font-display {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--starlight);
}

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

.gradient-nebula {
    background: var(--grad-nebula);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--cyan-light);
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.22);
    padding: 5px 14px;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.section-header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 56px auto;
}

.section-title {
    font-size: clamp(2rem, 3.5vw, 2.6rem);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--star-dim);
    line-height: 1.7;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    outline: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--grad-nebula);
    color: #ffffff;
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(124, 58, 237, 0.55);
    color: #ffffff;
}

.btn-cyan {
    background: var(--grad-cyan);
    color: #ffffff;
    box-shadow: 0 8px 24px rgba(6, 182, 212, 0.3);
}

.btn-cyan:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(6, 182, 212, 0.5);
    color: #ffffff;
}

.btn-glass {
    background: rgba(255, 255, 255, 0.05);
    color: var(--starlight);
    border: 1px solid var(--void-border);
    backdrop-filter: blur(12px);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    color: #ffffff;
}

.btn-sm {
    padding: 7px 15px;
    font-size: 0.84rem;
    border-radius: var(--radius-sm);
}

/* ── Top Navigation Bar ── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 16px 0;
    transition: all var(--transition);
}

.navbar.scrolled {
    padding: 10px 0;
    background: rgba(11, 10, 20, 0.85);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

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

.nav-brand-group {
    display: flex;
    align-items: center;
    gap: 14px;
}

.nav-parent-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--star-dim);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: all var(--transition);
}

.nav-parent-pill:hover {
    background: rgba(124, 58, 237, 0.2);
    border-color: rgba(124, 58, 237, 0.4);
    color: #ffffff;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--starlight);
}

.nav-logo img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 0 12px rgba(124, 58, 237, 0.4);
}

.nav-logo-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
}

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

.nav-item a {
    color: var(--star-dim);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-item a:hover, .nav-item a.active {
    color: var(--starlight);
    font-weight: 600;
}

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

.lang-switch-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--void-border);
    color: var(--starlight);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 7px 12px;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition);
}

.lang-switch-btn:hover {
    background: rgba(124, 58, 237, 0.2);
    border-color: rgba(124, 58, 237, 0.4);
    color: #ffffff;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--starlight);
    margin: 5px 0;
    transition: all 0.2s ease;
}

/* ── Hero Section ── */
.hero {
    min-height: 90vh;
    padding-top: 140px;
    padding-bottom: 70px;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

.hero-badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    background: rgba(124, 58, 237, 0.15);
    border: 1px solid rgba(124, 58, 237, 0.3);
    color: #e2e8f0;
    padding: 5px 12px;
    border-radius: var(--radius-full);
}

.badge-pulse {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--symbio);
    box-shadow: 0 0 10px var(--symbio);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(0.9); opacity: 0.7; }
    50% { transform: scale(1.3); opacity: 1; }
}

.hero-title {
    font-size: clamp(2.4rem, 4.4vw, 3.6rem);
    line-height: 1.14;
    margin-bottom: 22px;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--star-dim);
    line-height: 1.75;
    margin-bottom: 36px;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 40px;
}

.hero-device-strip {
    display: flex;
    align-items: center;
    gap: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.device-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--star-dim);
}

.device-item svg {
    color: var(--cyan-light);
}

/* Hero Showcase Card */
.hero-card-stage {
    background: var(--void-card);
    border: 1px solid var(--void-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    backdrop-filter: blur(20px);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.6), 0 0 35px rgba(124, 58, 237, 0.15);
    position: relative;
    overflow: hidden;
}

.window-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 14px;
    margin-bottom: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.window-dots {
    display: flex;
    gap: 6px;
}

.window-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
}

.window-dot.red { background: #ef4444; }
.window-dot.yellow { background: #f59e0b; }
.window-dot.green { background: #10b981; }

.window-url {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--star-muted);
}

.hero-screenshot-wrap {
    width: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #000;
}

.hero-screenshot-wrap img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.6s var(--ease-out);
}

.hero-card-stage:hover .hero-screenshot-wrap img {
    transform: scale(1.02);
}

/* ── Section: Features Showcase ── */
.features-section {
    padding: 100px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.feature-card {
    background: var(--void-card);
    border: 1px solid var(--void-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    backdrop-filter: blur(16px);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: var(--void-border-glow);
    background: var(--void-card-hover);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5), 0 0 25px rgba(124, 58, 237, 0.15);
}

.feature-card-top {
    margin-bottom: 24px;
}

.feature-icon-wrap {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: #ffffff;
}

.icon-purple { background: linear-gradient(135deg, rgba(124, 58, 237, 0.35), rgba(124, 58, 237, 0.1)); border: 1px solid rgba(124, 58, 237, 0.4); color: var(--nebula-light); }
.icon-cyan { background: linear-gradient(135deg, rgba(6, 182, 212, 0.35), rgba(6, 182, 212, 0.1)); border: 1px solid rgba(6, 182, 212, 0.4); color: var(--cyan-light); }
.icon-pink { background: linear-gradient(135deg, rgba(236, 72, 153, 0.35), rgba(236, 72, 153, 0.1)); border: 1px solid rgba(236, 72, 153, 0.4); color: var(--symbio-light); }
.icon-ember { background: linear-gradient(135deg, rgba(245, 158, 11, 0.35), rgba(245, 158, 11, 0.1)); border: 1px solid rgba(245, 158, 11, 0.4); color: var(--ember); }
.icon-mint { background: linear-gradient(135deg, rgba(134, 184, 173, 0.35), rgba(134, 184, 173, 0.1)); border: 1px solid rgba(134, 184, 173, 0.4); color: var(--mint); }

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.feature-desc {
    font-size: 0.92rem;
    color: var(--star-dim);
    line-height: 1.65;
}

.feature-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.feature-tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--star-dim);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 3px 8px;
    border-radius: 6px;
}

/* ── Section: Visual Walkthrough (Deep Showcase) ── */
.walkthrough-section {
    padding: 100px 0;
    background: linear-gradient(180deg, transparent 0%, rgba(20, 18, 35, 0.4) 50%, transparent 100%);
}

.walkthrough-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
    margin-bottom: 90px;
}

.walkthrough-row.reverse {
    direction: rtl;
}

.walkthrough-row.reverse > * {
    direction: ltr;
}

.walkthrough-text-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--nebula-light);
    letter-spacing: 0.1em;
    margin-bottom: 12px;
    display: inline-block;
}

.walkthrough-title {
    font-size: clamp(1.8rem, 3vw, 2.3rem);
    margin-bottom: 16px;
    line-height: 1.2;
}

.walkthrough-desc {
    font-size: 1rem;
    color: var(--star-dim);
    line-height: 1.7;
    margin-bottom: 24px;
}

.walkthrough-points {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 28px;
}

.walkthrough-points li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.92rem;
    color: var(--starlight);
}

.point-check {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(124, 58, 237, 0.2);
    border: 1px solid var(--nebula);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

.walkthrough-media {
    background: var(--void-card);
    border: 1px solid var(--void-border);
    border-radius: var(--radius-lg);
    padding: 16px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.walkthrough-media img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    display: block;
}

/* ── Section: Pricing Tiers ── */
.pricing-section {
    padding: 100px 0;
}

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

.pricing-card {
    background: var(--void-card);
    border: 1px solid var(--void-border);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all var(--transition);
    position: relative;
}

.pricing-card.featured {
    border-color: var(--nebula);
    background: linear-gradient(160deg, rgba(28, 22, 54, 0.9) 0%, rgba(15, 12, 28, 0.95) 100%);
    box-shadow: 0 20px 60px rgba(124, 58, 237, 0.2);
    transform: translateY(-8px);
}

.pricing-featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--grad-nebula);
    color: #fff;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.tier-name {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.tier-tagline {
    font-size: 0.82rem;
    color: var(--star-dim);
    margin-bottom: 20px;
    min-height: 38px;
}

.tier-price-row {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.price-currency {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--starlight);
}

.price-amount {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    color: #ffffff;
}

.price-period {
    font-size: 0.8rem;
    color: var(--star-muted);
}

.tier-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.tier-features li {
    font-size: 0.86rem;
    color: var(--star-dim);
    display: flex;
    align-items: flex-start;
    gap: 8px;
    line-height: 1.5;
}

.tier-features li svg {
    color: var(--cyan-light);
    flex-shrink: 0;
    margin-top: 2px;
}

/* ── Section: Download Hub ── */
.download-section {
    padding: 100px 0;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.download-card {
    background: var(--void-card);
    border: 1px solid var(--void-border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    transition: all var(--transition);
}

.download-card:hover {
    border-color: var(--void-border-glow);
    transform: translateY(-6px);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5);
}

.dl-icon-circle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--nebula-light);
}

.dl-title {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.dl-sub {
    font-size: 0.88rem;
    color: var(--star-dim);
    margin-bottom: 24px;
}

.dl-meta {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--star-muted);
    margin-top: 14px;
}

/* ── Footer ── */
.footer {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(9, 8, 16, 0.95);
    padding: 70px 0 36px 0;
    position: relative;
    z-index: 10;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 50px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-desc {
    font-size: 0.88rem;
    color: var(--star-dim);
    line-height: 1.6;
    max-width: 320px;
}

.footer-col-title {
    font-family: var(--font-display);
    font-size: 0.92rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--starlight);
    text-transform: uppercase;
    margin-bottom: 18px;
}

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

.footer-links a {
    color: var(--star-dim);
    text-decoration: none;
    font-size: 0.88rem;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-bottom {
    padding-top: 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.84rem;
    color: var(--star-muted);
}

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

.footer-bottom-links a {
    color: var(--star-muted);
    text-decoration: none;
}

.footer-bottom-links a:hover {
    color: var(--star-dim);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .walkthrough-row, .walkthrough-row.reverse { grid-template-columns: 1fr; gap: 36px; direction: ltr; }
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .download-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .navbar .nav-menu {
        position: fixed;
        top: 64px;
        left: 0;
        width: 100%;
        background: rgba(11, 10, 20, 0.96);
        backdrop-filter: blur(20px);
        padding: 24px;
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        transform: translateY(-150%);
        transition: transform var(--transition);
        display: flex;
    }
    .navbar .nav-menu.open {
        transform: translateY(0);
    }
    .hamburger { display: block; }
    .nav-actions { display: none; }
    .features-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .pricing-card.featured { transform: none; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 14px; text-align: center; }
}
