/* ============================================
   BioFlash Website - Modern Design
   ============================================ */

:root {
    /* Modern Color Palette */
    --primary: #00C9A7;
    --primary-dark: #00A88A;
    --primary-light: #00E4BE;
    --primary-glow: rgba(0, 201, 167, 0.4);

    --secondary: #845EF7;
    --secondary-dark: #7048E8;
    --secondary-light: #9775FA;

    --accent: #FF6B9D;
    --accent-light: #FF8FB3;

    --success: #51CF66;
    --warning: #FFD43B;
    --error: #FF6B6B;

    /* Neutral Colors */
    --text: #1a1a2e;
    --text-secondary: #5c5c7a;
    --text-muted: #9090a8;

    --bg: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: rgba(255, 255, 255, 0.8);

    --border: #e2e8f0;
    --border-light: #f1f5f9;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px var(--primary-glow);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00C9A7 0%, #00E4BE 50%, #845EF7 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --gradient-card: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 100%);

    /* Spacing & Sizing */
    --radius: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    /* Font */
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ============================================
   Typography
   ============================================ */

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

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: 1.5rem;
}

p {
    color: var(--text-secondary);
}

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

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(255,255,255,0.2), transparent);
    opacity: 0;
    transition: var(--transition-fast);
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow), 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), 0 8px 30px var(--primary-glow);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--bg);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.1rem;
    border-radius: var(--radius-lg);
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--text);
}

.logo-icon {
    font-size: 1.8rem;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-links a:not(.btn):hover {
    color: var(--primary);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 28px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    padding: 160px 0 100px;
    overflow: hidden;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(circle, rgba(0, 201, 167, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -20%;
    width: 60%;
    height: 100%;
    background: radial-gradient(circle, rgba(132, 94, 247, 0.06) 0%, transparent 60%);
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    padding: 10px 20px;
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 28px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin: 28px 0 40px;
    max-width: 520px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 56px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

.hero-image {
    display: flex;
    justify-content: center;
    position: relative;
}

.phone-mockup {
    width: 320px;
    height: 660px;
    background: linear-gradient(145deg, #2d2d44 0%, #1a1a2e 100%);
    border-radius: 50px;
    padding: 14px;
    box-shadow: var(--shadow-xl), 0 0 60px rgba(0, 201, 167, 0.15);
    position: relative;
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    transition: var(--transition);
}

.phone-mockup:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 14px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 28px;
    background: #1a1a2e;
    border-radius: 20px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--bg);
    border-radius: 40px;
    overflow: hidden;
}

.app-preview {
    padding: 50px 20px 20px;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    font-weight: 700;
    font-size: 1.1rem;
}

.preview-count {
    background: var(--gradient-primary);
    color: white;
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
}

.preview-card {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 28px;
    margin-bottom: 24px;
    border: 1px solid var(--border-light);
}

.preview-question {
    font-weight: 600;
    margin-bottom: 20px;
    font-size: 0.95rem;
    line-height: 1.5;
}

.preview-answer {
    color: var(--primary);
    font-weight: 600;
}

.preview-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.preview-btn {
    padding: 14px 8px;
    border-radius: 12px;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.preview-btn.again { background: linear-gradient(135deg, #ff6b6b, #ee5a5a); }
.preview-btn.hard { background: linear-gradient(135deg, #ffa94d, #ff922b); }
.preview-btn.good { background: linear-gradient(135deg, #51cf66, #40c057); }
.preview-btn.easy { background: linear-gradient(135deg, #339af0, #228be6); }

/* ============================================
   Section Headers
   ============================================ */

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 70px;
}

.section-header p {
    margin-top: 20px;
    font-size: 1.2rem;
    line-height: 1.7;
}

/* ============================================
   Features Section
   ============================================ */

.features {
    padding: 120px 0;
    background: var(--bg-secondary);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--bg);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.feature-card h3 {
    margin-bottom: 14px;
    font-size: 1.25rem;
}

.feature-card p {
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   Decks Section
   ============================================ */

.decks {
    padding: 120px 0;
    position: relative;
}

.decks-tier {
    margin-bottom: 60px;
}

.decks-tier:last-child {
    margin-bottom: 0;
}

.tier-title {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 1.4rem;
    margin-bottom: 32px;
}

.tier-badge {
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tier-badge.free {
    background: linear-gradient(135deg, #51cf66, #40c057);
    color: white;
}

.tier-badge.pro {
    background: linear-gradient(135deg, #ffa94d, #ff6b9d);
    color: white;
}

.decks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 28px;
}

.deck-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.deck-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--deck-color);
}

.deck-card:hover {
    border-color: var(--deck-color);
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.deck-card.premium {
    background: linear-gradient(135deg, rgba(255, 169, 77, 0.04) 0%, rgba(255, 107, 157, 0.04) 100%);
    border-color: rgba(255, 169, 77, 0.2);
}

.deck-card.premium::before {
    background: linear-gradient(90deg, #ffa94d, #ff6b9d);
}

.deck-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #ffa94d, #ff6b9d);
    color: white;
    padding: 5px 12px;
    border-radius: 100px;
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.deck-icon {
    font-size: 2.8rem;
    margin-bottom: 20px;
    display: block;
}

.deck-card h3 {
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.deck-card p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.deck-count {
    display: inline-block;
    padding: 6px 14px;
    background: var(--bg-tertiary);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ============================================
   How It Works
   ============================================ */

.how-it-works {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
}

.step {
    text-align: center;
    position: relative;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 35px;
    right: -30px;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), transparent);
}

.step-number {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    font-weight: 800;
    margin: 0 auto 28px;
    box-shadow: var(--shadow), 0 4px 20px var(--primary-glow);
}

.step h3 {
    margin-bottom: 14px;
}

.step p {
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   Pricing Section
   ============================================ */

.pricing {
    padding: 120px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 44px 36px;
    text-align: center;
    position: relative;
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    background: var(--gradient-dark);
    border: none;
    color: white;
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.pricing-card.featured h3,
.pricing-card.featured .price {
    color: white;
}

.pricing-card.featured p {
    color: rgba(255, 255, 255, 0.7);
}

.pricing-card.featured .pricing-features li {
    color: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.1);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 8px 24px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 700;
    white-space: nowrap;
    box-shadow: var(--shadow);
}

.pricing-header h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.price {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.pricing-card.featured .price {
    background: linear-gradient(135deg, #00E4BE, #845EF7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price span {
    font-size: 1rem;
    font-weight: 500;
    -webkit-text-fill-color: var(--text-secondary);
}

.pricing-card.featured .price span {
    -webkit-text-fill-color: rgba(255, 255, 255, 0.6);
}

.pricing-header p {
    margin-top: 8px;
    margin-bottom: 32px;
    font-size: 0.95rem;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 36px;
}

.pricing-features li {
    padding: 14px 0;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-card .btn {
    width: 100%;
}

.pricing-card.featured .btn-primary {
    background: white;
    color: var(--text);
    box-shadow: var(--shadow);
}

.pricing-card.featured .btn-primary:hover {
    background: var(--bg-secondary);
}

/* ============================================
   Testimonials
   ============================================ */

.testimonials {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.testimonial-card {
    background: var(--bg);
    padding: 36px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.testimonial-stars {
    color: #ffc107;
    font-size: 1.3rem;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.testimonial-card > p {
    font-style: italic;
    margin-bottom: 28px;
    font-size: 1rem;
    line-height: 1.8;
}

.testimonial-author strong {
    display: block;
    color: var(--text);
    font-size: 1rem;
}

.testimonial-author span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ============================================
   Download Section
   ============================================ */

.download {
    padding: 140px 0;
    background: var(--gradient-dark);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.download::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 60%;
    height: 150%;
    background: radial-gradient(circle, rgba(0, 201, 167, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.download::after {
    content: '';
    position: absolute;
    bottom: -50%;
    right: -20%;
    width: 60%;
    height: 150%;
    background: radial-gradient(circle, rgba(132, 94, 247, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.download-content {
    position: relative;
    z-index: 1;
}

.download-content h2 {
    color: white;
    margin-bottom: 20px;
}

.download-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.3rem;
    margin-bottom: 40px;
}

.download-badges {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.app-store-badge img {
    height: 55px;
    transition: var(--transition);
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.3));
}

.app-store-badge:hover img {
    transform: scale(1.05);
}

.download-note {
    margin-top: 28px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    padding: 100px 0 50px;
    background: var(--text);
    color: white;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.5);
    margin-top: 20px;
    font-size: 0.95rem;
    line-height: 1.7;
}

.footer-brand .logo {
    color: white;
}

.footer-links h4 {
    margin-bottom: 24px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255, 255, 255, 0.4);
}

.footer-links a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    padding: 10px 0;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-light);
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 40px;
    display: flex;
    justify-content: space-between;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.9rem;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .phone-mockup {
        width: 280px;
        height: 580px;
        transform: none;
    }

    .features-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
    }

    .pricing-card.featured {
        transform: none;
    }

    .pricing-card.featured:hover {
        transform: translateY(-8px);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .step:not(:last-child)::after {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 140px 0 80px;
        min-height: auto;
    }

    .features-grid,
    .steps,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .decks-grid {
        grid-template-columns: 1fr;
    }

    .tier-title {
        justify-content: center;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 32px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .footer-links a:hover {
        transform: none;
    }
}

/* ============================================
   Animations
   ============================================ */

@keyframes float {
    0%, 100% { transform: translateY(0) perspective(1000px) rotateY(-5deg) rotateX(2deg); }
    50% { transform: translateY(-20px) perspective(1000px) rotateY(-5deg) rotateX(2deg); }
}

.phone-mockup {
    animation: float 6s ease-in-out infinite;
}

.phone-mockup:hover {
    animation-play-state: paused;
}