/* ========================================
   Reset & Base Styles
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Primary Colors */
    --primary-gradient-start: #667eea;
    --primary-gradient-end: #764ba2;
    --primary-color: #667eea;
    --primary-dark: #5568d3;

    /* Accent Colors */
    --accent-blue: #4299e1;
    --accent-purple: #9f7aea;
    --accent-green: #48bb78;
    --accent-orange: #ed8936;
    --accent-pink: #ed64a6;
    --accent-cyan: #0bc5ea;

    /* Neutral Colors */
    --dark-bg: #0f172a;
    --dark-card: #1e293b;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-light: #718096;
    --white: #ffffff;
    --gray-50: #f7fafc;
    --gray-100: #edf2f7;
    --gray-200: #e2e8f0;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

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

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-md);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-icon {
    font-size: 2rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 1.5rem;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(180deg, #f7fafc 0%, #ffffff 100%);
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.6;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.4), transparent);
    top: -10%;
    right: -10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(118, 75, 162, 0.4), transparent);
    bottom: -10%;
    left: -10%;
    animation-delay: 5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(159, 122, 234, 0.3), transparent);
    top: 40%;
    left: 40%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-50px, 50px) scale(0.9);
    }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: var(--radius-xl);
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

/* Phone Mockup */
.phone-mockup {
    perspective: 1000px;
}

.phone-frame {
    width: 300px;
    height: 600px;
    background: #1a1a1a;
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3),
                0 0 0 1px rgba(255, 255, 255, 0.1);
    position: relative;
    animation: phoneFloat 6s infinite ease-in-out;
    transform-style: preserve-3d;
}

@keyframes phoneFloat {
    0%, 100% {
        transform: translateY(0) rotateY(-5deg);
    }
    50% {
        transform: translateY(-20px) rotateY(5deg);
    }
}

.phone-notch {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 28px;
    background: #1a1a1a;
    border-radius: 0 0 20px 20px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #f7fafc 0%, #ffffff 100%);
    border-radius: 32px;
    overflow: hidden;
}

.app-preview {
    padding: 1rem;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem;
    margin-bottom: 1rem;
}

.app-title {
    font-weight: 700;
    font-size: 0.9rem;
}

.app-time {
    font-size: 0.8rem;
    color: var(--text-light);
}

.timer-circle {
    position: relative;
    width: 180px;
    height: 180px;
    margin: 1rem auto;
}

.timer-progress {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.timer-progress circle {
    fill: none;
    stroke-width: 8;
}

.timer-progress circle:first-child {
    stroke: var(--gray-200);
}

.progress-ring {
    stroke: url(#gradient);
    stroke-linecap: round;
    stroke-dasharray: 565;
    stroke-dashoffset: 200;
    animation: progressRing 3s infinite ease-in-out;
}

@keyframes progressRing {
    0%, 100% {
        stroke-dashoffset: 200;
    }
    50% {
        stroke-dashoffset: 100;
    }
}

.timer-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.timer-time {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.timer-task {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

.task-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.task-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--white);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.task-item.completed {
    opacity: 0.6;
}

.task-item.active {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: var(--white);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.task-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
}

.task-info {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.task-name {
    font-size: 0.75rem;
    font-weight: 600;
}

.task-time {
    font-size: 0.7rem;
    opacity: 0.8;
}

/* ========================================
   Features Section
   ======================================== */
.features {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: var(--radius-xl);
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-xl);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.gradient-blue {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.gradient-purple {
    background: linear-gradient(135deg, #a855f7, #ec4899);
}

.gradient-green {
    background: linear-gradient(135deg, #10b981, #059669);
}

.gradient-orange {
    background: linear-gradient(135deg, #f59e0b, #ef4444);
}

.gradient-pink {
    background: linear-gradient(135deg, #ec4899, #f43f5e);
}

.gradient-cyan {
    background: linear-gradient(135deg, #06b6d4, #3b82f6);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ========================================
   Benefits Section
   ======================================== */
.benefits {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-md);
}

.benefit-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
}

.benefit-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.benefit-content p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.benefits-visual {
    position: relative;
    height: 500px;
}

.benefit-card {
    position: absolute;
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    animation: cardFloat 6s infinite ease-in-out;
}

.benefit-card.card-1 {
    width: 200px;
    top: 0;
    left: 0;
    animation-delay: 0s;
}

.benefit-card.card-2 {
    width: 220px;
    top: 150px;
    right: 50px;
    animation-delay: 2s;
}

.benefit-card.card-3 {
    width: 200px;
    bottom: 50px;
    left: 50px;
    animation-delay: 4s;
}

@keyframes cardFloat {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(2deg);
    }
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
}

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

.card-title {
    font-weight: 700;
    font-size: 1rem;
}

.card-stat {
    text-align: center;
}

.stat-value {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* ========================================
   How It Works Section
   ======================================== */
.how-it-works {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.step {
    display: grid;
    grid-template-columns: 80px 1fr 300px;
    gap: var(--spacing-xl);
    align-items: center;
}

.step:nth-child(even) {
    grid-template-columns: 80px 300px 1fr;
}

.step:nth-child(even) .step-visual {
    order: -1;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    font-weight: 800;
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.step-title {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

.mockup-small {
    width: 280px;
    height: 200px;
    background: linear-gradient(180deg, #f7fafc 0%, #ffffff 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
}

.mockup-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-field {
    margin-bottom: var(--spacing-sm);
}

.field-label {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.field-input {
    padding: 0.5rem;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 0.5rem;
    font-size: 0.875rem;
}

.task-chip {
    display: inline-block;
    padding: 0.5rem 0.75rem;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: var(--white);
    border-radius: 0.5rem;
    font-size: 0.75rem;
    margin-right: 0.5rem;
    margin-top: 0.5rem;
}

.timer-display {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.task-name-display {
    text-align: center;
    color: var(--text-light);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.time-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.time-btn {
    width: 36px;
    height: 36px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.time-value {
    font-weight: 600;
    font-size: 1.125rem;
}

.play-button {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: var(--spacing-md) 0;
}

.status-text {
    text-align: center;
    color: var(--text-light);
    font-size: 0.875rem;
}

/* ========================================
   Testimonials Section
   ======================================== */
.testimonials {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

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

.testimonial-rating {
    color: #fbbf24;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 1.25rem;
}

.author-name {
    font-weight: 700;
    color: var(--text-primary);
}

.author-role {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* ========================================
   CTA Section
   ======================================== */
.cta {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: var(--white);
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.cta-description {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

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

.cta-buttons .btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.cta-note {
    opacity: 0.8;
    font-size: 0.875rem;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--dark-bg);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: var(--white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    color: var(--white);
    text-decoration: none;
    font-size: 1.25rem;
    transition: transform 0.3s ease;
}

.footer-social a:hover {
    transform: scale(1.2);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

    .benefits-content {
        grid-template-columns: 1fr;
    }

    .benefits-visual {
        display: none;
    }

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

    .step:nth-child(even) {
        grid-template-columns: 1fr;
    }

    .step-number {
        margin: 0 auto;
    }

    .step-visual {
        display: flex;
        justify-content: center;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }
}

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

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

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1.125rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .phone-frame {
        width: 250px;
        height: 500px;
    }

    .section-title {
        font-size: 2rem;
    }

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

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

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

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero {
        padding: 6rem 0 2rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }

    .phone-frame {
        width: 220px;
        height: 440px;
    }
}

/* ========================================
   Animations
   ======================================== */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}
/* ========================================
   Pricing Section
   ======================================== */
.pricing {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid transparent;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.featured-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
}

.plan-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.plan-price {
    margin: var(--spacing-md) 0;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-period {
    font-size: 1rem;
    color: var(--text-secondary);
}

.plan-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.pricing-features {
    margin: var(--spacing-lg) 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.5rem 0;
}

.feature-item.disabled {
    opacity: 0.5;
}

.feature-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--gray-100);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.feature-icon.premium {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: var(--white);
}

.feature-text {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.plan-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-md);
}

/* Comparison Table */
.comparison-table {
    margin-top: var(--spacing-2xl);
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.comparison-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table thead {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: var(--white);
}

.comparison-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    font-size: 1rem;
}

.comparison-table th:first-child {
    border-radius: var(--radius-sm) 0 0 0;
}

.comparison-table th:last-child {
    border-radius: 0 var(--radius-sm) 0 0;
}

.comparison-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--gray-200);
    color: var(--text-primary);
}

.comparison-table tbody tr:hover {
    background: var(--gray-50);
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

@media (max-width: 768px) {
    .pricing-cards {
        grid-template-columns: 1fr;
        padding: 0 var(--spacing-md);
    }

    .pricing-card.featured {
        transform: scale(1);
    }

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

    .comparison-table {
        overflow-x: auto;
        padding: var(--spacing-md);
    }

    .comparison-table table {
        min-width: 500px;
    }
}