:root {
    --bg-dark: #070a12;
    --bg-card: rgba(16, 24, 48, 0.65);
    --border-glow: rgba(0, 242, 254, 0.25);
    --border-glow-hover: rgba(0, 242, 254, 0.6);
    --accent-gradient: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
    --gold-accent: linear-gradient(135deg, #ffd700 0%, #ffaa00 100%);
    --text-main: #f0f4f8;
    --text-muted: #94a3b8;
    --radius-lg: 16px;
    --radius-md: 10px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
    background-image:
        radial-gradient(circle at 15% 15%, rgba(0, 242, 254, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 85% 60%, rgba(79, 172, 254, 0.05) 0%, transparent 40%);
    background-attachment: fixed;
    line-height: 1.6;
}

h1, h2, h3, .logo-text {
    font-family: 'Space Grotesk', sans-serif;
}

/* --- NAVIGATION MENU --- */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(7, 10, 18, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-badge {
    width: 36px;
    height: 36px;
    background: var(--gold-accent);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: #000;
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.4);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.5px;
}

.logo-text span {
    background: var(--gold-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: #00f2fe;
}

/* --- HERO (ABOVE THE FOLD, HOME PAGE) --- */
.hero-section {
    padding: 140px 1.5rem 80px 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3.5rem auto;
}

.hero-tag {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 30px;
    background: rgba(0, 242, 254, 0.1);
    border: 1px solid var(--border-glow);
    color: #00f2fe;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.hero-header h1 {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    line-height: 1.15;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-header h1 span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-header p {
    color: var(--text-muted);
    font-size: 1.15rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
}

/* TikTok Card Container */
.tiktok-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.tiktok-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 3px;
    background: var(--accent-gradient);
}

.tiktok-wrapper {
    width: 100%;
    max-width: 325px;
    border-radius: 12px;
    overflow: hidden;
}

/* Sendy Opt-In Card */
.optin-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    position: relative;
    backdrop-filter: blur(10px);
}

.optin-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 3px;
    background: var(--gold-accent);
}

.optin-card h2 {
    font-size: 1.8rem;
    margin-bottom: 0.75rem;
    color: #fff;
}

.optin-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.8rem;
}

/* Sendy Form Styling */
.sendy-form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: left;
}

.form-group label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.sendy-form input[type="email"],
.sendy-form input[type="text"] {
    width: 100%;
    padding: 1rem 1.2rem;
    background: rgba(7, 10, 18, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    color: #fff;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
}

.sendy-form input:focus {
    border-color: #00f2fe;
    box-shadow: 0 0 12px rgba(0, 242, 254, 0.3);
}

.btn-submit {
    background: var(--accent-gradient);
    color: #000;
    font-weight: 700;
    font-size: 1.1rem;
    padding: 1.1rem 2rem;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.5rem;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 242, 254, 0.4);
}

.privacy-note {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 1rem;
    text-align: center;
}

/* --- BELOW THE FOLD (AI PROMPT ENGINEERING STRATEGIES) --- */
.content-section {
    padding: 100px 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem auto;
}

.section-header h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-muted);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
}

.feature-card:hover {
    border-color: var(--border-glow-hover);
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}

.feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: rgba(0, 242, 254, 0.1);
    color: #00f2fe;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-glow);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: #fff;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* --- FOOTER --- */
footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    background: rgba(5, 7, 13, 0.95);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
    list-style: none;
}

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

.footer-links a:hover,
.footer-links a.active {
    color: #00f2fe;
}

/* ============================================================
   INNER-PAGE HERO
   Shorter banner for Blueprints / Prompt Vault / Case Studies / About
   ============================================================ */
.page-hero {
    padding: 150px 1.5rem 60px 1.5rem;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.page-hero h1 {
    font-size: clamp(2rem, 4.5vw, 3rem);
    line-height: 1.15;
    margin-bottom: 1rem;
    font-weight: 700;
}

.page-hero h1 span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.page-hero p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* ============================================================
   BLUEPRINTS PAGE — numbered sequence, since a blueprint
   is genuinely a set of ordered stages
   ============================================================ */
.blueprint-list {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem 100px 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.blueprint-step {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 1.5rem;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
}

.blueprint-step .step-number {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(0, 242, 254, 0.1);
    border: 1px solid var(--border-glow);
    color: #00f2fe;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
}

.blueprint-step h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

.blueprint-step p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.blueprint-step .step-tag {
    display: inline-block;
    margin-top: 0.9rem;
    font-size: 0.8rem;
    color: #00f2fe;
    border: 1px solid var(--border-glow);
    padding: 3px 10px;
    border-radius: 20px;
}

/* ============================================================
   PROMPT VAULT PAGE — a library, so cards are grouped by
   category rather than numbered as steps
   ============================================================ */
.vault-intro-note {
    max-width: 800px;
    margin: 0 auto 3rem auto;
    padding: 1rem 1.5rem;
    text-align: center;
}

.vault-category {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem 4rem 1.5rem;
}

.vault-category h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.vault-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.vault-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: border-color 0.3s ease;
}

.vault-card:hover {
    border-color: var(--border-glow-hover);
}

.vault-card h4 {
    font-size: 1.05rem;
    color: #fff;
    margin-bottom: 0.6rem;
}

.vault-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.vault-locked {
    margin-top: 1rem;
    font-size: 0.78rem;
    color: #ffd700;
}

/* ============================================================
   CASE STUDIES PAGE
   ============================================================ */
.cs-grid {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem 100px 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.cs-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 2rem;
    position: relative;
}

.cs-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 3px;
    background: var(--gold-accent);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.cs-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.cs-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--gold-accent);
    color: #000;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Space Grotesk', sans-serif;
}

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

.cs-card h3 {
    font-size: 1.15rem;
    color: #fff;
    margin-bottom: 0.6rem;
}

.cs-card p {
    color: var(--text-muted);
    font-size: 0.92rem;
    margin-bottom: 1rem;
}

.cs-placeholder-note {
    max-width: 800px;
    margin: 0 auto 3rem auto;
    padding: 0 1.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-content {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 1.5rem 100px 1.5rem;
}

.about-content h2 {
    font-size: 1.6rem;
    margin: 2.5rem 0 1rem 0;
    color: #fff;
}

.about-content h2:first-child {
    margin-top: 0;
}

.about-content p {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.about-value-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 1.5rem;
}

.about-value-card h4 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.about-value-card p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* ============================================================
   LEGAL PAGES (Privacy / Terms) — reuses .about-content for
   the prose body, adds a disclaimer callout above it
   ============================================================ */
.disclaimer-note {
    max-width: 760px;
    margin: 0 auto 3rem auto;
    padding: 1rem 1.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.about-content .last-updated {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-wrapper {
    max-width: 560px;
    margin: 0 auto;
    padding: 0 1.5rem 4rem 1.5rem;
}

.contact-wrapper .optin-card {
    text-align: left;
}

.contact-methods {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1.5rem 100px 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.contact-method-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
}

.contact-method-card .contact-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(0, 242, 254, 0.1);
    color: #00f2fe;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin: 0 auto 1rem auto;
    border: 1px solid var(--border-glow);
}

.contact-method-card h4 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 0.4rem;
}

.contact-method-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.contact-method-card a {
    color: #00f2fe;
    text-decoration: none;
}

.form-success {
    display: none;
    text-align: center;
    padding: 1rem;
    color: #00f2fe;
    font-size: 0.9rem;
}

/* --- RESPONSIVE MOBILE FIXES --- */
@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
    }

    .optin-card {
        padding: 1.8rem;
    }

    .blueprint-step {
        grid-template-columns: 44px 1fr;
        padding: 1.25rem;
    }
}