:root {
    --primary: #7c3aed;
    --primary-dark: #6d28d9;
    --primary-light: #a78bfa;
    --secondary: #f472b6;
    --accent: #fbbf24;
    --bg: #0f0a1a;
    --bg-card: #1a1329;
    --bg-card-hover: #251d38;
    --text: #f8fafc;
    --text-muted: #a1a1aa;
    --border: #2d2640;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --radius: 16px;
    --radius-sm: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(15, 10, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.25rem;
}

.logo-icon {
    font-size: 1.5rem;
}

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

.nav {
    display: none;
    gap: 24px;
}

.nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
    font-size: 0.95rem;
}

.nav a:hover {
    color: var(--text);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn-header {
    background: var(--gradient);
    color: white;
    padding: 8px 16px;
    font-size: 0.85rem;
}

.btn-text-full {
    display: none;
}

.btn-text-short {
    display: inline;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(124, 58, 237, 0.5);
}

.btn-large {
    padding: 14px 28px;
    font-size: 1rem;
    border-radius: var(--radius);
}

.btn-icon {
    font-size: 1.1em;
}

/* Hero */
.hero {
    padding: 100px 0 60px;
    background: radial-gradient(ellipse at top, rgba(124, 58, 237, 0.15) 0%, transparent 50%);
}

.hero .container {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
    text-align: center;
    justify-content: center;
}

.hero-content {
    max-width: 600px;
}

.hero h1 {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.hero-note {
    margin-top: 12px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.hero-visual {
    display: flex;
    justify-content: center;
    width: 100%;
}

.hero-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.hero-card-emoji {
    font-size: 3rem;
}

.hero-card-arrow {
    font-size: 1.5rem;
    color: var(--primary-light);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.5;
        transform: translateX(0);
    }

    50% {
        opacity: 1;
        transform: translateX(5px);
    }
}

.hero-card-video {
    width: 100px;
    height: 140px;
    background: var(--gradient);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.play-button {
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1rem;
    padding-left: 3px;
}

/* Sections */
section {
    padding: 60px 0;
}

h2 {
    font-size: 1.75rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 12px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 40px;
    padding: 0 10px;
}

/* How it works */
.how-it-works {
    background: var(--bg-card);
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-top: 40px;
}

.step {
    text-align: center;
    position: relative;
    padding-top: 20px;
}

.step-number {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 28px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.85rem;
}

.step-icon {
    font-size: 3rem;
    margin: 16px 0;
}

.step h3 {
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.step p {
    color: var(--text-muted);
    font-size: 0.9rem;
    max-width: 280px;
    margin: 0 auto;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.feature {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    transition: all 0.3s;
}

.feature:hover {
    background: var(--bg-card-hover);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.feature h3 {
    font-size: 1rem;
    margin-bottom: 6px;
}

.feature p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Examples */
.examples-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.example-card {
    aspect-ratio: 9/16;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.example-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-card-hover) 100%);
    padding: 16px;
}

.example-placeholder span {
    font-size: 2.5rem;
    margin-bottom: 8px;
}

.example-placeholder p {
    color: var(--text-muted);
    font-size: 0.75rem;
    text-align: center;
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.price-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 16px;
    text-align: center;
    transition: all 0.3s;
    position: relative;
}

.price-card:hover {
    border-color: var(--primary);
}

.price-card.popular {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1) 0%, rgba(244, 114, 182, 0.1) 100%);
}

.price-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    padding: 3px 12px;
    border-radius: 16px;
    font-size: 0.7rem;
    font-weight: 700;
    white-space: nowrap;
}

.price-duration {
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 4px;
}

.price-amount {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.price-desc {
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* CTA */
.cta {
    background: var(--gradient);
    text-align: center;
    padding: 50px 0;
}

.cta h2 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.cta p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    margin-bottom: 24px;
    padding: 0 10px;
}

.cta .btn {
    background: white;
    color: var(--primary-dark);
}

.cta .btn:hover {
    background: rgba(255, 255, 255, 0.9);
}

/* Footer */
.footer {
    background: var(--bg-card);
    padding: 30px 0;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 800;
}

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

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--text);
}

/* ============================================
   TABLET (768px and up)
   ============================================ */
@media (min-width: 768px) {
    .container {
        padding: 0 32px;
    }

    .header .container {
        height: 72px;
    }

    .nav {
        display: flex;
    }

    .logo {
        font-size: 1.5rem;
    }

    .logo-icon {
        font-size: 1.8rem;
    }

    .btn-header {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .btn-text-full {
        display: inline;
    }

    .btn-text-short {
        display: none;
    }

    /* Hero */
    .hero {
        padding: 140px 0 80px;
    }

    .hero h1 {
        font-size: 2.75rem;
    }

    .hero-subtitle {
        font-size: 1.15rem;
    }

    .hero-card {
        padding: 32px;
        gap: 20px;
    }

    .hero-card-emoji {
        font-size: 4rem;
    }

    .hero-card-video {
        width: 120px;
        height: 160px;
    }

    .btn-large {
        padding: 16px 32px;
        font-size: 1.05rem;
    }

    /* Sections */
    section {
        padding: 80px 0;
    }

    h2 {
        font-size: 2.25rem;
    }

    .section-subtitle {
        font-size: 1.05rem;
        margin-bottom: 50px;
    }

    /* Steps */
    .steps {
        flex-direction: row;
        justify-content: center;
        gap: 32px;
    }

    .step {
        flex: 1;
        max-width: 280px;
    }

    .step-icon {
        font-size: 3.5rem;
    }

    /* Features */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .feature {
        padding: 28px;
    }

    .feature-icon {
        font-size: 2.75rem;
    }

    /* Examples */
    .examples-grid {
        gap: 20px;
    }

    .example-placeholder span {
        font-size: 3rem;
    }

    .example-placeholder p {
        font-size: 0.85rem;
    }

    /* Pricing */
    .pricing-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }

    .price-card {
        padding: 24px 20px;
    }

    .price-duration {
        font-size: 1.25rem;
    }

    .price-amount {
        font-size: 2rem;
    }

    .price-desc {
        font-size: 0.8rem;
    }

    /* CTA */
    .cta {
        padding: 70px 0;
    }

    .cta h2 {
        font-size: 2rem;
    }

    .cta p {
        font-size: 1.15rem;
    }

    /* Footer */
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
    }
}

/* ============================================
   DESKTOP (1024px and up)
   ============================================ */
@media (min-width: 1024px) {
    .container {
        padding: 0 40px;
    }

    /* Hero */
    .hero {
        padding: 160px 0 100px;
    }

    .hero .container {
        flex-direction: row;
        text-align: left;
        gap: 40px;
        justify-content: center;
        align-items: center;
    }

    .hero-content {
        flex: 0 1 auto;
        max-width: 520px;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
        margin: 0 0 28px 0;
    }

    .hero-visual {
        flex: 0 0 auto;
        width: auto;
    }

    .hero-card {
        padding: 32px;
        gap: 18px;
    }

    .hero-card-emoji {
        font-size: 4rem;
    }

    .hero-card-arrow {
        font-size: 1.5rem;
    }

    .hero-card-video {
        width: 110px;
        height: 150px;
    }

    .play-button {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
    }

    /* Sections */
    section {
        padding: 100px 0;
    }

    h2 {
        font-size: 2.5rem;
    }

    .section-subtitle {
        font-size: 1.1rem;
        margin-bottom: 60px;
    }

    /* Steps */
    .steps {
        gap: 48px;
        margin-top: 60px;
    }

    .step {
        max-width: 320px;
    }

    .step-icon {
        font-size: 4rem;
        margin: 20px 0;
    }

    .step h3 {
        font-size: 1.3rem;
    }

    .step p {
        max-width: 300px;
    }

    /* Features */
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }

    .feature {
        padding: 32px;
    }

    .feature:hover {
        transform: translateY(-5px);
    }

    .feature-icon {
        font-size: 3rem;
    }

    .feature h3 {
        font-size: 1.1rem;
    }

    /* Examples */
    .examples-grid {
        gap: 24px;
    }

    .example-card {
        max-height: 400px;
    }

    .example-placeholder span {
        font-size: 4rem;
        margin-bottom: 16px;
    }

    .example-placeholder p {
        font-size: 0.9rem;
    }

    /* Pricing */
    .pricing-grid {
        gap: 24px;
    }

    .price-card {
        padding: 32px;
    }

    .price-card:hover {
        transform: translateY(-5px);
    }

    .price-duration {
        font-size: 1.5rem;
    }

    .price-amount {
        font-size: 2.5rem;
    }

    .price-desc {
        font-size: 0.9rem;
    }

    /* CTA */
    .cta {
        padding: 100px 0;
    }

    .cta h2 {
        font-size: 2.5rem;
    }

    .cta p {
        font-size: 1.2rem;
        margin-bottom: 32px;
    }

    /* Footer */
    .footer {
        padding: 40px 0;
    }
}

/* ============================================
   LARGE DESKTOP (1280px and up)
   ============================================ */
@media (min-width: 1280px) {
    .container {
        padding: 0 24px;
    }

    .hero .container {
        gap: 60px;
    }

    .hero-content {
        max-width: 580px;
    }

    .hero h1 {
        font-size: 3.5rem;
    }

    .hero-card {
        padding: 40px;
        gap: 24px;
    }

    .hero-card-emoji {
        font-size: 5rem;
    }

    .hero-card-video {
        width: 150px;
        height: 200px;
    }
}