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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: #202124;
    background: #fff;
    line-height: 1.6;
    font-size: 16px;
}

a { color: #1a73e8; text-decoration: none; }
a:hover { color: #1558b0; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

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

/* ── Buttons ─────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
    font-weight: 600;
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    gap: 8px;
    font-size: 0.95rem;
    padding: 10px 24px;
}
.btn-sm { padding: 6px 16px; font-size: 0.85rem; }
.btn-lg { padding: 14px 32px; font-size: 1.05rem; }
.btn-block { display: flex; width: 100%; }

.btn-primary {
    background: linear-gradient(135deg, #1a73e8, #4285f4);
    color: #fff;
    border-color: #1a73e8;
    box-shadow: 0 2px 8px rgba(26, 115, 232, 0.3);
}
.btn-primary:hover {
    background: linear-gradient(135deg, #1558b0, #3367d6);
    color: #fff;
    box-shadow: 0 4px 16px rgba(26, 115, 232, 0.4);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: #1a73e8;
    border-color: #dadce0;
}
.btn-outline:hover {
    background: #f0f6ff;
    border-color: #1a73e8;
    color: #1a73e8;
}

/* ── Navigation ──────────────────────────────────── */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: box-shadow 0.3s ease;
}
.nav.scrolled {
    box-shadow: 0 1px 6px rgba(60, 64, 67, 0.15);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.15rem;
    color: #202124;
}
.nav-brand:hover { color: #202124; }
.nav-brand svg { flex-shrink: 0; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}
.nav-links a {
    padding: 8px 14px;
    font-size: 0.9rem;
    font-weight: 500;
    color: #5f6368;
    border-radius: 6px;
    transition: color 0.2s, background 0.2s;
}
.nav-links a:hover {
    color: #1a73e8;
    background: #f0f6ff;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: #5f6368;
    border-radius: 2px;
    transition: transform 0.2s;
}

/* ── Hero ────────────────────────────────────────── */
.hero {
    position: relative;
    padding: 140px 0 80px;
    text-align: center;
    overflow: hidden;
    background: linear-gradient(170deg, #eef4ff 0%, #fff 50%, #f0f6ff 100%);
}
.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% 0%, rgba(26, 115, 232, 0.08) 0%, transparent 70%),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(66, 133, 244, 0.06) 0%, transparent 70%);
    pointer-events: none;
}
.hero-inner { position: relative; }

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(26, 115, 232, 0.08);
    color: #1a73e8;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    color: #202124;
}
.gradient-text {
    background: linear-gradient(135deg, #1a73e8, #4285f4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 1.2rem;
    color: #5f6368;
    max-width: 600px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    padding-top: 40px;
    border-top: 1px solid #e8eaed;
}
.stat-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: #1a73e8;
}
.stat-label {
    font-size: 0.8rem;
    color: #80868b;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 4px;
}

/* ── Sections ────────────────────────────────────── */
.section {
    padding: 100px 0;
}
.section-alt {
    background: #f8f9fa;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 56px;
}
.section-badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(26, 115, 232, 0.08);
    color: #1a73e8;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}
.section-header h2 {
    font-size: 2.2rem;
    font-weight: 800;
    color: #202124;
    margin-bottom: 12px;
}
.section-header p {
    font-size: 1.05rem;
    color: #5f6368;
    line-height: 1.7;
}

/* ── Features Grid ───────────────────────────────── */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: #fff;
    border: 1px solid #e8eaed;
    border-radius: 12px;
    padding: 32px 28px;
    transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.feature-card:hover {
    box-shadow: 0 8px 24px rgba(60, 64, 67, 0.1);
    transform: translateY(-4px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #eef4ff, #dbe8fd);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: #1a73e8;
}
.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #202124;
}
.feature-card p {
    font-size: 0.9rem;
    color: #5f6368;
    line-height: 1.65;
}

/* ── Hero Tagline ────────────────────────────────── */
.hero-tagline {
    font-size: 1.5rem;
    font-weight: 700;
    color: #3c4043;
    letter-spacing: 1px;
    margin-bottom: 16px;
    text-transform: uppercase;
}

/* ── Steps (How It Works) ────────────────────────── */
.steps {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}
.steps::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, #1a73e8, #4285f4, #a8c7fa);
}

.step {
    display: flex;
    gap: 28px;
    margin-bottom: 40px;
    position: relative;
}
.step:last-child { margin-bottom: 0; }

.step-num {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #1a73e8, #4285f4);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.3);
    z-index: 1;
}

.step-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #202124;
    margin-bottom: 6px;
    padding-top: 4px;
}
.step-content p {
    font-size: 0.95rem;
    color: #5f6368;
    line-height: 1.65;
}

/* ── Audience Grid ───────────────────────────────── */
.audience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.audience-card {
    background: #fff;
    border: 1px solid #e8eaed;
    border-radius: 12px;
    padding: 36px 28px;
    text-align: center;
    transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.audience-card:hover {
    box-shadow: 0 8px 24px rgba(60, 64, 67, 0.1);
    transform: translateY(-4px);
}
.audience-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #eef4ff, #dbe8fd);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    color: #1a73e8;
}
.audience-icon svg {
    width: 28px;
    height: 28px;
}
.audience-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #202124;
    margin-bottom: 10px;
}
.audience-card p {
    font-size: 0.9rem;
    color: #5f6368;
    line-height: 1.65;
}

/* ── Tech Specs Box ──────────────────────────────── */
.specs-box {
    background: #fff;
    border: 1px solid #e8eaed;
    border-radius: 16px;
    padding: 40px 48px;
    max-width: 860px;
    margin: 0 auto;
    box-shadow: 0 2px 8px rgba(60, 64, 67, 0.06);
}
.specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px 48px;
}
.spec-item {
    display: flex;
    align-items: baseline;
    gap: 12px;
    font-size: 0.92rem;
}
.spec-label {
    color: #80868b;
    font-weight: 600;
    white-space: nowrap;
    min-width: 130px;
}
.spec-value {
    color: #202124;
}

/* ── Pricing Grid ────────────────────────────────── */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
}

.price-card {
    background: #fff;
    border: 1px solid #e8eaed;
    border-radius: 16px;
    padding: 36px 28px;
    text-align: center;
    position: relative;
    transition: box-shadow 0.25s ease;
}
.price-card:hover {
    box-shadow: 0 8px 24px rgba(60, 64, 67, 0.1);
}

.price-card-featured {
    border-color: #1a73e8;
    box-shadow: 0 4px 20px rgba(26, 115, 232, 0.15);
    transform: scale(1.04);
}
.price-card-featured:hover {
    box-shadow: 0 8px 32px rgba(26, 115, 232, 0.2);
}

.price-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 16px;
    background: linear-gradient(135deg, #1a73e8, #4285f4);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.price-name {
    font-size: 1rem;
    font-weight: 600;
    color: #5f6368;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.price-amount {
    font-size: 2.2rem;
    font-weight: 900;
    color: #202124;
    margin-bottom: 4px;
}
.price-period {
    font-size: 0.85rem;
    color: #80868b;
    margin-bottom: 28px;
}

.price-features {
    text-align: left;
    margin-bottom: 28px;
}
.price-features li {
    padding: 8px 0;
    font-size: 0.9rem;
    color: #3c4043;
    border-bottom: 1px solid #f1f3f4;
    display: flex;
    align-items: center;
    gap: 10px;
}
.price-features li:last-child { border-bottom: none; }
.price-features li::before {
    content: '';
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    background: #e8f5e9;
    border-radius: 50%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' stroke='%2334a853' stroke-width='3' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
    background-size: 12px;
    background-repeat: no-repeat;
    background-position: center;
}

/* ── Demo Frame ──────────────────────────────────── */
.demo-frame {
    max-width: 900px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(60, 64, 67, 0.15);
    border: 1px solid #e8eaed;
}

.demo-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    background: #f1f3f4;
    border-bottom: 1px solid #e8eaed;
}
.demo-dots {
    display: flex;
    gap: 6px;
}
.demo-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #dadce0;
}
.demo-dots span:first-child { background: #ea4335; }
.demo-dots span:nth-child(2) { background: #fbbc04; }
.demo-dots span:last-child { background: #34a853; }

.demo-url {
    flex: 1;
    text-align: center;
    font-size: 0.8rem;
    color: #5f6368;
    background: #fff;
    padding: 6px 16px;
    border-radius: 16px;
    border: 1px solid #e8eaed;
}

.demo-placeholder {
    background: linear-gradient(170deg, #eef4ff, #fff);
    padding: 80px 32px;
    text-align: center;
}
.demo-placeholder-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}
.demo-placeholder p {
    font-size: 1rem;
    color: #80868b;
}

/* ── Contact Grid ────────────────────────────────── */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.contact-card {
    text-align: center;
    padding: 32px 24px;
    background: #f8f9fa;
    border-radius: 12px;
    border: 1px solid #e8eaed;
}
.contact-card svg {
    color: #1a73e8;
    margin: 0 auto 16px;
}
.contact-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: #202124;
    margin-bottom: 6px;
}
.contact-card p,
.contact-card a {
    font-size: 0.9rem;
    color: #5f6368;
}

/* ── Footer ──────────────────────────────────────── */
.footer {
    background: #202124;
    color: #9aa0a6;
    padding: 40px 0;
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #e8eaed;
    font-weight: 600;
    font-size: 0.95rem;
}
.footer-links {
    display: flex;
    gap: 24px;
}
.footer-links a {
    color: #9aa0a6;
    font-size: 0.85rem;
}
.footer-links a:hover { color: #e8eaed; }

.footer-copy {
    width: 100%;
    text-align: center;
    font-size: 0.75rem;
    color: #80868b;
    padding-top: 20px;
    border-top: 1px solid #3c4043;
    margin-top: 4px;
    line-height: 1.6;
}
.footer-copy a { color: #8ab4f8; }
.footer-copy a:hover { color: #aecbfa; }

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 900px) {
    .features-grid,
    .pricing-grid,
    .contact-grid,
    .audience-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin-left: auto;
        margin-right: auto;
    }
    .specs-grid { grid-template-columns: 1fr; }
    .specs-box { padding: 28px 24px; }
    .price-card-featured {
        transform: none;
        order: -1;
    }
    .hero h1 { font-size: 2.5rem; }
    .hero-stats { gap: 24px; flex-wrap: wrap; }
    .section { padding: 64px 0; }
    .section-header h2 { font-size: 1.8rem; }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 16px 24px;
        box-shadow: 0 4px 12px rgba(60, 64, 67, 0.1);
        border-top: 1px solid #e8eaed;
    }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 12px 0; }
    .hero { padding: 120px 0 60px; }
    .hero h1 { font-size: 2rem; }
    .hero-sub { font-size: 1rem; }
    .hero-actions { flex-direction: column; align-items: center; }
    .hero-stats { gap: 16px; }
    .stat-value { font-size: 1.4rem; }
    .footer-inner { flex-direction: column; text-align: center; }
    .footer-links { justify-content: center; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.7rem; }
    .container { padding: 0 16px; }
    .steps::before { left: 20px; }
    .step-num { width: 42px; height: 42px; font-size: 0.95rem; }
    .step { gap: 20px; }
}