/* ══════════════════════════════════════════════════════════
   RankTrack Marketing Site — Stylesheet
   ══════════════════════════════════════════════════════════ */

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

:root {
    --color-primary: #0D9488;
    --color-primary-dark: #0F766E;
    --color-primary-light: #14B8A6;
    --color-primary-50: #F0FDFA;
    --color-primary-100: #CCFBF1;
    --color-accent: #F97316;
    --color-accent-dark: #EA580C;
    --color-accent-light: #FB923C;
    --color-success: #16A34A;
    --color-success-light: #DCFCE7;
    --color-warning: #D97706;
    --color-warning-light: #FEF3C7;
    --color-error: #DC2626;
    --color-error-light: #FEE2E2;
    --color-text: #1E293B;
    --color-text-light: #64748B;
    --color-text-muted: #94A3B8;
    --color-bg: #FFFFFF;
    --color-bg-alt: #F8FAFC;
    --color-bg-dark: #0F172A;
    --color-border: #E2E8F0;
    --color-border-light: #F1F5F9;
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
    --transition: 0.2s ease;
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-family); font-size: 16px; line-height: 1.6; color: var(--color-text); background: var(--color-bg); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }
h1, h2, h3, h4, h5, h6 { line-height: 1.2; font-weight: 700; color: var(--color-text); }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.125rem, 2.5vw, 1.5rem); }
p { margin-bottom: 1rem; }
ul, ol { padding-left: 1.5em; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── Buttons ──────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 24px; border-radius: var(--radius-md); font-size: 15px; font-weight: 600;
    border: none; cursor: pointer; transition: all var(--transition); text-decoration: none; line-height: 1.4;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-accent { background: var(--color-accent); color: #fff; }
.btn-accent:hover { background: var(--color-accent-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-ghost { background: transparent; color: var(--color-text); border: 1px solid var(--color-border); }
.btn-ghost:hover { background: var(--color-bg-alt); color: var(--color-text); border-color: var(--color-text-muted); }
.btn-white { background: #fff; color: var(--color-primary); }
.btn-white:hover { background: var(--color-primary-50); color: var(--color-primary-dark); transform: translateY(-1px); }
.btn-lg { padding: 16px 32px; font-size: 17px; border-radius: var(--radius-lg); }
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* ── Header ───────────────────────────────────────────── */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(255,255,255,0.95); backdrop-filter: blur(12px); border-bottom: 1px solid transparent;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.site-header.scrolled { border-bottom-color: var(--color-border); box-shadow: var(--shadow-sm); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; color: var(--color-text); }
.nav-logo:hover { color: var(--color-text); }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-link { padding: 8px 14px; border-radius: var(--radius-md); font-size: 15px; font-weight: 500; color: var(--color-text-light); transition: all var(--transition); }
.nav-link:hover, .nav-link.active { color: var(--color-text); background: var(--color-bg-alt); }
.nav-actions { display: flex; align-items: center; gap: 8px; margin-left: 16px; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--color-text); margin: 5px 0; border-radius: 2px; transition: all 0.3s; }

/* ── Hero ─────────────────────────────────────────────── */
.hero { padding: 140px 0 80px; text-align: center; background: linear-gradient(180deg, var(--color-primary-50) 0%, var(--color-bg) 100%); }
.hero h1 { margin-bottom: 20px; }
.hero h1 span { color: var(--color-primary); }
.hero-subtitle { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--color-text-light); max-width: 600px; margin: 0 auto 32px; line-height: 1.6; }
.hero-actions { display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; }
.hero-note { margin-top: 20px; font-size: 14px; color: var(--color-text-muted); }
.hero-visual { margin-top: 64px; max-width: 900px; margin-left: auto; margin-right: auto; border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-xl); border: 1px solid var(--color-border); }
.hero-visual img { width: 100%; }
.hero-mock { background: var(--color-bg-alt); padding: 24px; border-radius: var(--radius-xl); border: 1px solid var(--color-border); box-shadow: var(--shadow-xl); }
.hero-mock-bar { display: flex; align-items: center; gap: 8px; padding-bottom: 16px; border-bottom: 1px solid var(--color-border); margin-bottom: 16px; }
.hero-mock-dot { width: 10px; height: 10px; border-radius: 50%; }
.hero-mock-dot:nth-child(1) { background: #EF4444; }
.hero-mock-dot:nth-child(2) { background: #F59E0B; }
.hero-mock-dot:nth-child(3) { background: #22C55E; }
.hero-mock-table { width: 100%; text-align: left; }
.hero-mock-table th { font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--color-text-muted); padding: 8px 12px; font-weight: 600; }
.hero-mock-table td { padding: 10px 12px; font-size: 14px; border-top: 1px solid var(--color-border-light); }
.mock-rank-up { color: var(--color-success); font-weight: 600; }
.mock-rank-down { color: var(--color-error); font-weight: 600; }

/* ── Sections ─────────────────────────────────────────── */
.section { padding: 80px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-dark { background: var(--color-bg-dark); color: #fff; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark p { color: #CBD5E1; }
.section-header { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-header p { color: var(--color-text-light); font-size: 1.1rem; margin-top: 12px; }
.section-label { display: inline-block; font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; color: var(--color-primary); margin-bottom: 12px; }

/* ── Feature Grid ─────────────────────────────────────── */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.feature-card {
    background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
    padding: 32px; transition: all var(--transition);
}
.feature-card:hover { border-color: var(--color-primary-light); box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.feature-icon {
    width: 48px; height: 48px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center;
    background: var(--color-primary-50); color: var(--color-primary); margin-bottom: 20px; font-size: 22px;
}
.feature-card h3 { margin-bottom: 10px; font-size: 1.15rem; }
.feature-card p { color: var(--color-text-light); font-size: 15px; margin: 0; }

/* ── How It Works ─────────────────────────────────────── */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; text-align: center; position: relative; }
.step-card { position: relative; }
.step-number {
    width: 56px; height: 56px; border-radius: 50%; background: var(--color-primary); color: #fff;
    display: flex; align-items: center; justify-content: center; font-size: 22px; font-weight: 700;
    margin: 0 auto 20px; position: relative; z-index: 1;
}
.step-card h3 { margin-bottom: 10px; }
.step-card p { color: var(--color-text-light); font-size: 15px; }

/* ── Pricing ──────────────────────────────────────────── */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.pricing-card {
    background: var(--color-bg); border: 2px solid var(--color-border); border-radius: var(--radius-xl);
    padding: 36px 32px; text-align: center; transition: all var(--transition); position: relative;
}
.pricing-card.popular { border-color: var(--color-primary); transform: scale(1.03); }
.pricing-card.popular::before {
    content: 'Most Popular'; position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
    background: var(--color-primary); color: #fff; padding: 4px 16px; border-radius: 20px;
    font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px;
}
.pricing-card:hover { box-shadow: var(--shadow-lg); }
.pricing-name { font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; }
.pricing-price { font-size: 3rem; font-weight: 700; color: var(--color-text); line-height: 1; margin-bottom: 4px; }
.pricing-price span { font-size: 1rem; font-weight: 500; color: var(--color-text-light); }
.pricing-desc { color: var(--color-text-light); font-size: 14px; margin-bottom: 24px; }
.pricing-features { list-style: none; padding: 0; margin: 0 0 28px; text-align: left; }
.pricing-features li { padding: 8px 0; font-size: 15px; color: var(--color-text-light); display: flex; align-items: flex-start; gap: 10px; }
.pricing-features li::before { content: '✓'; color: var(--color-primary); font-weight: 700; flex-shrink: 0; }
.pricing-card .btn { width: 100%; }

/* ── Testimonials ─────────────────────────────────────── */
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card {
    background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
    padding: 28px; position: relative;
}
.testimonial-text { font-size: 15px; color: var(--color-text-light); line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--color-primary-100); display: flex; align-items: center; justify-content: center; font-weight: 600; color: var(--color-primary); font-size: 16px; }
.testimonial-name { font-weight: 600; font-size: 14px; }
.testimonial-role { font-size: 13px; color: var(--color-text-muted); }

/* ── CTA Banner ───────────────────────────────────────── */
.cta-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, #0E7490 100%);
    border-radius: var(--radius-xl); padding: 64px 48px; text-align: center; color: #fff;
}
.cta-banner h2 { color: #fff; margin-bottom: 16px; }
.cta-banner p { color: rgba(255,255,255,0.85); max-width: 500px; margin: 0 auto 28px; font-size: 1.1rem; }

/* ── Blog ─────────────────────────────────────────────── */
.blog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.blog-card { background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; transition: all var(--transition); }
.blog-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.blog-card-body { padding: 28px; }
.blog-card-date { font-size: 13px; color: var(--color-text-muted); margin-bottom: 8px; }
.blog-card h3 { margin-bottom: 10px; }
.blog-card h3 a { color: var(--color-text); }
.blog-card h3 a:hover { color: var(--color-primary); }
.blog-card p { color: var(--color-text-light); font-size: 15px; margin: 0; }
.blog-read-more { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-weight: 600; font-size: 14px; color: var(--color-primary); }

/* ── Blog Post ────────────────────────────────────────── */
.post-header { padding: 120px 0 48px; text-align: center; background: var(--color-bg-alt); }
.post-header h1 { max-width: 720px; margin: 0 auto 16px; font-size: clamp(1.75rem, 4vw, 2.5rem); }
.post-meta { color: var(--color-text-muted); font-size: 14px; }
.post-content { max-width: 720px; margin: 0 auto; padding: 48px 24px 80px; font-size: 17px; line-height: 1.75; }
.post-content h2 { margin: 40px 0 16px; }
.post-content h3 { margin: 32px 0 12px; }
.post-content p { margin-bottom: 1.25em; }
.post-content ul, .post-content ol { margin-bottom: 1.25em; }
.post-content li { margin-bottom: 0.5em; }

/* ── Contact ──────────────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--color-text); }
.form-control {
    width: 100%; padding: 12px 16px; border: 1px solid var(--color-border); border-radius: var(--radius-md);
    font-size: 15px; font-family: var(--font-family); transition: border-color var(--transition); background: var(--color-bg);
}
.form-control:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(13,148,136,0.1); }
textarea.form-control { min-height: 140px; resize: vertical; }
.form-error { color: var(--color-error); font-size: 13px; margin-top: 4px; }
.form-success { background: var(--color-success-light); border: 1px solid var(--color-success); color: #166534; padding: 16px; border-radius: var(--radius-md); margin-bottom: 24px; }

/* ── FAQ ──────────────────────────────────────────────── */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-question {
    display: flex; justify-content: space-between; align-items: center; padding: 20px 0;
    cursor: pointer; font-weight: 600; font-size: 1.05rem; color: var(--color-text); background: none; border: none; width: 100%; text-align: left; font-family: var(--font-family);
}
.faq-question::after { content: '+'; font-size: 1.5rem; color: var(--color-text-muted); transition: transform 0.3s; flex-shrink: 0; margin-left: 16px; }
.faq-item.active .faq-question::after { content: '−'; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-answer-inner { padding: 0 0 20px; color: var(--color-text-light); line-height: 1.7; }

/* ── Page Header ──────────────────────────────────────── */
.page-header { padding: 120px 0 48px; text-align: center; background: var(--color-bg-alt); }
.page-header h1 { margin-bottom: 12px; }
.page-header p { color: var(--color-text-light); font-size: 1.1rem; max-width: 560px; margin: 0 auto; }

/* ── Footer ───────────────────────────────────────────── */
.site-footer { background: var(--color-bg-dark); color: #CBD5E1; padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-logo { display: flex; align-items: center; gap: 8px; font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.footer-brand p { font-size: 14px; color: #94A3B8; line-height: 1.6; }
.footer-col h4 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 16px; }
.footer-col a { display: block; color: #94A3B8; font-size: 14px; padding: 4px 0; transition: color var(--transition); }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid #334155; padding-top: 24px; text-align: center; font-size: 13px; color: #64748B; }

/* ── Utilities ────────────────────────────────────────── */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; } .mt-48 { margin-top: 48px; }
.mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; } .mb-32 { margin-bottom: 32px; }

/* ── Alert ────────────────────────────────────────────── */
.alert { padding: 14px 20px; border-radius: var(--radius-md); margin-bottom: 24px; font-size: 15px; }
.alert-success { background: var(--color-success-light); color: #166534; border: 1px solid #BBF7D0; }
.alert-error { background: var(--color-error-light); color: #991B1B; border: 1px solid #FECACA; }
.alert-warning { background: var(--color-warning-light); color: #92400E; border: 1px solid #FDE68A; }

/* ── Schema.org hidden ────────────────────────────────── */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 1024px) {
    .features-grid, .pricing-grid, .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-card.popular { transform: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
    .nav-toggle { display: block; }
    .nav-links {
        display: none; position: absolute; top: 72px; left: 0; right: 0;
        background: var(--color-bg); border-bottom: 1px solid var(--color-border);
        flex-direction: column; padding: 16px 24px 24px; gap: 4px; box-shadow: var(--shadow-lg);
    }
    .nav-links.open { display: flex; }
    .nav-link { padding: 12px 16px; width: 100%; }
    .nav-actions { margin-left: 0; margin-top: 8px; flex-direction: column; width: 100%; }
    .nav-actions .btn { width: 100%; }
    .hero { padding: 110px 0 60px; }
    .section { padding: 60px 0; }
    .features-grid, .steps-grid, .pricing-grid, .testimonial-grid, .blog-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .cta-banner { padding: 48px 24px; }
}