/* ============================================
   IPHONE VISION - PREMIUM LANDING PAGE
   Dark Mode | Apple-Inspired | High Conversion
   ============================================ */

/* ============================================
   RESET & BASE
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --black: #000000;
    --dark-gray: #111111;
    --medium-gray: #1a1a1a;
    --light-gray: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #a1a1a1;
    --gold: #d4af37;
    --gold-glow: rgba(212, 175, 55, 0.5);
    --neon-green: #39ff14;
    --neon-glow: rgba(57, 255, 20, 0.5);

    /* Typography */
    --font-primary: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --section-padding: 120px 24px;
    --max-width: 1200px;

    /* Effects */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-primary);
    background-color: var(--black);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: 24px;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: 20px;
}

p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.8;
    color: var(--text-secondary);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: 20px 48px;
    font-size: 1.125rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 100px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    letter-spacing: 0.02em;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold) 0%, #f4d03f 100%);
    color: var(--black);
    box-shadow: 0 20px 60px var(--gold-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 30px 80px var(--gold-glow);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: var(--section-padding);
    position: relative;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(ellipse at center, var(--dark-gray) 0%, var(--black) 70%);
    position: relative;
    overflow: hidden;
}

.hero-background-image {
    position: absolute;
    top: 50%;
    right: 5%;
    transform: translateY(-50%);
    width: 400px;
    height: 800px;
    background-image: url('iphone-hero.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.15;
    pointer-events: none;
    animation: float 6s ease-in-out infinite;
    z-index: 0;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(-50%) translateX(0);
    }

    50% {
        transform: translateY(-48%) translateX(-10px);
    }
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.3;
        transform: scale(1);
    }

    50% {
        opacity: 0.6;
        transform: scale(1.1);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero h1 {
    background: linear-gradient(135deg, #ffffff 0%, #a1a1a1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 32px;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.8;
}

.social-proof-badge {
    display: inline-block;
    background: rgba(212, 175, 55, 0.15);
    border: 1px solid var(--gold);
    color: var(--gold);
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease-out 0.2s forwards;
    opacity: 0;
}

.scarcity-alert {
    display: inline-block;
    background: rgba(255, 68, 68, 0.15);
    border: 1px solid #ff4444;
    color: #ff4444;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 24px;
    animation: pulse-red 2s ease-in-out infinite;
}

@keyframes pulse-red {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(255, 68, 68, 0.4);
    }

    50% {
        box-shadow: 0 0 0 10px rgba(255, 68, 68, 0);
    }
}

/* ============================================
   PROBLEM SECTION
   ============================================ */
.problem {
    background: linear-gradient(180deg, var(--black) 0%, var(--dark-gray) 100%);
    text-align: center;
}

.problem h2 {
    color: #ff4444;
    margin-bottom: 32px;
}

.problem p {
    max-width: 800px;
    margin: 0 auto;
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    line-height: 1.9;
}

/* ============================================
   DESIRE SECTION
   ============================================ */
.desire {
    background: var(--black);
    text-align: center;
}

.desire h2 {
    background: linear-gradient(135deg, var(--gold) 0%, #f4d03f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 64px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 48px;
    max-width: 1000px;
    margin: 0 auto;
}

.benefit-card {
    background: var(--medium-gray);
    padding: 48px 32px;
    border-radius: 24px;
    transition: var(--transition);
    border: 1px solid var(--light-gray);
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(212, 175, 55, 0.2);
    border-color: var(--gold);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 24px;
    display: block;
}

.benefit-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.benefit-card p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ============================================
   VISUAL PROOF SECTION
   ============================================ */
.visual-proof {
    background: linear-gradient(180deg, var(--dark-gray) 0%, var(--black) 100%);
    text-align: center;
}

.visual-proof h2 {
    margin-bottom: 64px;
}

.comparison-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.comparison-item {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    background: var(--medium-gray);
    transition: var(--transition);
}

.comparison-item:hover {
    transform: scale(1.02);
}

.comparison-item img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    display: block;
}

.comparison-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    font-weight: 600;
    font-size: 1.25rem;
}

.comparison-item.before .comparison-label {
    color: #ff4444;
}

.comparison-item.after .comparison-label {
    color: var(--gold);
}

.placeholder-before {
    width: 100%;
    height: 500px;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    position: relative;
    overflow: hidden;
}

.placeholder-before::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(255, 255, 255, 0.03) 2px, rgba(255, 255, 255, 0.03) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(255, 255, 255, 0.03) 2px, rgba(255, 255, 255, 0.03) 4px);
    opacity: 0.5;
}

.placeholder-before::after {
    content: '📷';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    opacity: 0.2;
}

/* ============================================
   OFFER SECTION
   ============================================ */
.offer {
    background: radial-gradient(ellipse at center, var(--dark-gray) 0%, var(--black) 70%);
    text-align: center;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.offer-content {
    max-width: 700px;
}

.offer h2 {
    background: linear-gradient(135deg, var(--gold) 0%, #f4d03f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 32px;
}

.offer p {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    margin-bottom: 48px;
    line-height: 1.9;
}

.price-container {
    margin: 48px 0;
}

.price-old {
    font-size: 1.5rem;
    color: var(--text-secondary);
    text-decoration: line-through;
    opacity: 0.6;
    margin-bottom: 8px;
}

.price-tag {
    font-size: 5rem;
    font-weight: 700;
    color: var(--gold);
    margin: 16px 0;
    text-shadow: 0 0 40px var(--gold-glow);
    line-height: 1;
}

.price-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: 12px;
    font-style: italic;
}

.guarantee-badge {
    display: inline-block;
    margin-top: 24px;
    padding: 16px 32px;
    background: rgba(57, 255, 20, 0.1);
    border: 1px solid var(--neon-green);
    border-radius: 50px;
    color: var(--neon-green);
    font-size: 0.95rem;
    font-weight: 600;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    :root {
        --section-padding: 80px 20px;
    }

    .comparison-container {
        grid-template-columns: 1fr;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .btn {
        padding: 18px 40px;
        font-size: 1rem;
    }

    .hero-background-image {
        width: 250px;
        height: 500px;
        opacity: 0.1;
        right: -50px;
    }

    .price-tag {
        font-size: 3.5rem;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center {
    text-align: center;
}

.mb-large {
    margin-bottom: 64px;
}

.mb-medium {
    margin-bottom: 48px;
}

.mb-small {
    margin-bottom: 32px;
}