/* =====================================================
   SutAsist Landing Page - Premium CSS Design
   ===================================================== */

/* CSS Variables / Design Tokens */
:root {
    /* Primary Colors - Medical/Professional Blue-Green */
    --primary-50: #e6f7f7;
    --primary-100: #b3e8e8;
    --primary-200: #80d9d9;
    --primary-300: #4dc9c9;
    --primary-400: #26bdbd;
    --primary-500: #00b0b0;
    --primary-600: #009999;
    --primary-700: #007a7a;
    --primary-800: #005c5c;
    --primary-900: #003d3d;

    /* Accent Colors - Vibrant Teal/Cyan */
    --accent-50: #e0f7fa;
    --accent-100: #b2ebf2;
    --accent-200: #80deea;
    --accent-300: #4dd0e1;
    --accent-400: #26c6da;
    --accent-500: #00bcd4;
    --accent-600: #00acc1;
    --accent-700: #0097a7;
    --accent-800: #00838f;
    --accent-900: #006064;

    /* Secondary Colors - Deep Purple/Indigo */
    --secondary-50: #ede7f6;
    --secondary-100: #d1c4e9;
    --secondary-200: #b39ddb;
    --secondary-300: #9575cd;
    --secondary-400: #7e57c2;
    --secondary-500: #673ab7;
    --secondary-600: #5e35b1;
    --secondary-700: #512da8;
    --secondary-800: #4527a0;
    --secondary-900: #311b92;

    /* Neutral Colors */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    /* Semantic Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-500) 0%, var(--accent-500) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-500) 0%, var(--primary-500) 100%);
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f172a 100%);
    --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);

    /* 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), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px rgba(0, 176, 176, 0.3);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--gray-50);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

/* =====================================================
   Navigation
   ===================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-4) 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-3) 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.logo-icon {
    font-size: 1.5em;
    color: var(--primary-500);
}

.logo-text {
    color: var(--gray-800);
}

.navbar:not(.scrolled) .logo-text {
    color: white;
}

.logo-highlight {
    color: var(--primary-500);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
}

.nav-links a {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-600);
    transition: color var(--transition-fast);
}

.navbar:not(.scrolled) .nav-links a {
    color: rgba(255, 255, 255, 0.8);
}

.nav-links a:hover {
    color: var(--primary-500);
}

.navbar:not(.scrolled) .nav-links a:hover {
    color: white;
}

.nav-cta {
    padding: var(--spacing-2) var(--spacing-5);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-2);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-600);
    transition: all var(--transition-fast);
}

.navbar:not(.scrolled) .mobile-menu-btn span {
    background: white;
}

/* =====================================================
   Buttons
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(0, 176, 176, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(0, 176, 176, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--primary-600);
    border: 2px solid var(--primary-500);
}

.btn-outline:hover {
    background: var(--primary-500);
    color: white;
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 18px;
    height: 18px;
}

.btn-icon-left {
    width: 18px;
    height: 18px;
    margin-right: var(--spacing-1);
}

/* =====================================================
   Hero Section
   ===================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    background: var(--gradient-hero);
    padding: var(--spacing-24) 0 var(--spacing-16);
    overflow: hidden;
}

.hero-bg-effects {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-500) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-500) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    animation-delay: -7s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--secondary-500) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    animation-delay: -14s;
}

@keyframes float {

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

    25% {
        transform: translate(30px, -30px) scale(1.05);
    }

    50% {
        transform: translate(-20px, 20px) scale(0.95);
    }

    75% {
        transform: translate(20px, 10px) scale(1.02);
    }
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    color: white;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-6);
    backdrop-filter: blur(10px);
}

.badge-icon {
    font-size: 1.2em;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-6);
}

.gradient-text {
    display: block;
    background: linear-gradient(135deg, var(--primary-300) 0%, var(--accent-300) 50%, var(--primary-400) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-8);
    max-width: 540px;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-10);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-6);
    padding-top: var(--spacing-6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.stat-number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-300);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.hero-image-wrapper {
    position: relative;
}

.hero-mockup {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-2xl);
}

.mockup-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mockup-dots {
    display: flex;
    gap: 6px;
}

.mockup-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
}

.mockup-dots span:first-child {
    background: #ff5f56;
}

.mockup-dots span:nth-child(2) {
    background: #ffbd2e;
}

.mockup-dots span:nth-child(3) {
    background: #27c93f;
}

.mockup-title {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
}

.mockup-content {
    display: flex;
    padding: var(--spacing-4);
    gap: var(--spacing-4);
    min-height: 300px;
}

.mockup-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    width: 60px;
}

.sidebar-item {
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
}

.sidebar-item.active {
    background: var(--gradient-primary);
}

.mockup-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.mockup-card {
    height: 60px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
}

.mockup-chart {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    background-image: linear-gradient(to right, transparent 50%, rgba(0, 176, 176, 0.2) 50%);
}

/* Floating Cards */
.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    animation: floatCard 6s ease-in-out infinite;
}

.card-1 {
    top: 20px;
    left: -30px;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: -40px;
    animation-delay: -2s;
}

.card-3 {
    bottom: 30px;
    left: 20px;
    animation-delay: -4s;
}

@keyframes floatCard {

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

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

.card-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    font-size: 1.2rem;
}

.card-icon.success {
    background: #dcfce7;
    color: #16a34a;
}

.card-icon.warning {
    background: #fef3c7;
    color: #d97706;
}

.card-icon.info {
    background: #dbeafe;
    color: #2563eb;
}

.card-text {
    display: flex;
    flex-direction: column;
}

.card-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-800);
}

.card-desc {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

/* Hero Wave */
.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    color: var(--gray-50);
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: auto;
}

/* =====================================================
   Section Styles
   ===================================================== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-12);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--primary-50);
    color: var(--primary-600);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-4);
}

.section-badge.accent {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--accent-500) 100%);
    color: white;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
    line-height: 1.2;
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    line-height: 1.7;
}

/* =====================================================
   Problem Section
   ===================================================== */
.problem-section {
    padding: var(--spacing-20) 0;
    background: var(--gray-50);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
}

.problem-card {
    background: white;
    padding: var(--spacing-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(20px);
}

.problem-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.problem-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-5);
}

.problem-icon svg {
    width: 28px;
    height: 28px;
    color: #dc2626;
}

.problem-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-3);
}

.problem-card p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.6;
}

/* =====================================================
   Solution/Features Section
   ===================================================== */
.solution-section {
    padding: var(--spacing-20) 0;
    background: linear-gradient(180deg, var(--gray-50) 0%, white 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
}

.feature-card {
    background: white;
    padding: var(--spacing-8);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-100);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(20px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    border-color: var(--primary-200);
    box-shadow: var(--shadow-lg);
}

.feature-card.featured {
    grid-column: span 1;
    grid-row: span 2;
    background: var(--gradient-hero);
    color: white;
    border: none;
}

.feature-card.featured:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
}

.feature-icon-wrapper {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    margin-bottom: var(--spacing-6);
}

.feature-icon-wrapper.small {
    width: 56px;
    height: 56px;
    margin-bottom: var(--spacing-5);
}

.feature-card.featured .feature-icon-wrapper {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
}

.feature-icon {
    width: 36px;
    height: 36px;
}

.feature-icon-wrapper.small .feature-icon {
    width: 28px;
    height: 28px;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
    color: white;
}

.feature-card:not(.featured) .feature-icon svg {
    color: white;
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-3);
}

.feature-card:not(.featured) h3 {
    color: var(--gray-900);
}

.feature-card p {
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.feature-card:not(.featured) p {
    color: var(--gray-600);
}

.feature-card.featured p {
    color: rgba(255, 255, 255, 0.8);
}

.feature-list {
    margin-top: var(--spacing-6);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-2) 0;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.9);
}

.feature-list li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: rgba(16, 185, 129, 0.3);
    color: #10b981;
    border-radius: 50%;
    font-size: 12px;
    font-weight: bold;
}

/* =====================================================
   How It Works Section
   ===================================================== */
.how-it-works {
    padding: var(--spacing-20) 0;
    background: white;
}

.steps-container {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: var(--spacing-4);
}

.step-card {
    flex: 1;
    max-width: 320px;
    text-align: center;
    padding: var(--spacing-8);
    background: var(--gray-50);
    border-radius: var(--radius-2xl);
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-base);
}

.step-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.step-card:hover {
    background: white;
    box-shadow: var(--shadow-xl);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    font-size: var(--font-size-lg);
    font-weight: 700;
    border-radius: 50%;
    box-shadow: 0 4px 14px rgba(0, 176, 176, 0.4);
}

.step-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: var(--radius-xl);
    margin: var(--spacing-4) auto var(--spacing-5);
    box-shadow: var(--shadow-md);
}

.step-icon svg {
    width: 32px;
    height: 32px;
    color: var(--primary-500);
}

.step-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-3);
}

.step-card p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.6;
}

.step-connector {
    flex-shrink: 0;
    width: 80px;
    padding-top: 80px;
    color: var(--gray-300);
}

.step-connector svg {
    width: 100%;
    height: auto;
}

/* =====================================================
   Benefits Section
   ===================================================== */
.benefits-section {
    padding: var(--spacing-20) 0;
    background: linear-gradient(180deg, white 0%, var(--gray-50) 100%);
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.benefits-text .section-badge {
    margin-bottom: var(--spacing-3);
}

.benefits-text .section-title {
    text-align: left;
    margin-bottom: var(--spacing-8);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-4);
    padding: var(--spacing-5);
    background: white;
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-4);
    border: 1px solid var(--gray-100);
    opacity: 0;
    transform: translateX(-20px);
    transition: all var(--transition-base);
}

.benefit-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.benefit-item:hover {
    border-color: var(--primary-200);
    box-shadow: var(--shadow-md);
}

.benefit-check {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-100);
    border-radius: 50%;
}

.benefit-check svg {
    width: 18px;
    height: 18px;
    color: var(--primary-600);
}

.benefit-content h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-1);
}

.benefit-content p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

/* Comparison Card */
.comparison-card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-100);
}

.comparison-header {
    display: flex;
    justify-content: space-around;
    margin-bottom: var(--spacing-6);
    padding-bottom: var(--spacing-4);
    border-bottom: 1px solid var(--gray-100);
}

.comparison-badge {
    padding: var(--spacing-2) var(--spacing-5);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.comparison-badge.before {
    background: #fee2e2;
    color: #dc2626;
}

.comparison-badge.after {
    background: #dcfce7;
    color: #16a34a;
}

.comparison-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) 0;
    border-bottom: 1px dashed var(--gray-200);
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-item {
    flex: 1;
    text-align: center;
}

.comparison-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto var(--spacing-2);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
}

.comparison-icon svg {
    width: 20px;
    height: 20px;
}

.comparison-item.before .comparison-icon {
    background: #fee2e2;
}

.comparison-item.before .comparison-icon svg {
    color: #dc2626;
}

.comparison-item.after .comparison-icon {
    background: #dcfce7;
}

.comparison-item.after .comparison-icon svg {
    color: #16a34a;
}


.comparison-value {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.comparison-item.before .comparison-value {
    color: #dc2626;
}

.comparison-item.after .comparison-value {
    color: #16a34a;
}

.comparison-label {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

.comparison-arrow {
    color: var(--gray-400);
    font-size: var(--font-size-xl);
    padding: 0 var(--spacing-4);
}

/* =====================================================
   Pricing Section
   ===================================================== */
.pricing-section {
    padding: var(--spacing-20) 0;
    background: var(--gray-50);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    position: relative;
    opacity: 0;
    transform: translateY(20px);
}

.pricing-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.pricing-card:hover {
    box-shadow: var(--shadow-xl);
}

.pricing-card.popular {
    border: 2px solid var(--primary-500);
    transform: scale(1.05);
    z-index: 1;
}

.pricing-card.popular.visible {
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-2) var(--spacing-5);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-6);
}

.pricing-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-2);
}

.pricing-description {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.pricing-price {
    text-align: center;
    margin-bottom: var(--spacing-6);
    padding-bottom: var(--spacing-6);
    border-bottom: 1px solid var(--gray-100);
}

.price-currency {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-600);
    vertical-align: top;
}

.price-amount {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1;
}

.price-period {
    font-size: var(--font-size-base);
    color: var(--gray-500);
}

.pricing-features {
    margin-bottom: var(--spacing-8);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) 0;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.pricing-features svg {
    width: 20px;
    height: 20px;
    color: var(--success);
    flex-shrink: 0;
}

/* =====================================================
   Testimonials Section
   ===================================================== */
.testimonials-section {
    padding: var(--spacing-20) 0;
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
}

.testimonial-card {
    background: var(--gray-50);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(20px);
}

.testimonial-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.testimonial-card:hover {
    background: white;
    box-shadow: var(--shadow-xl);
}

.testimonial-stars {
    color: #fbbf24;
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-4);
}

.testimonial-content p {
    font-size: var(--font-size-base);
    color: var(--gray-700);
    line-height: 1.7;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    margin-top: var(--spacing-6);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--gray-200);
}

.author-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    font-weight: 700;
    border-radius: 50%;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gray-900);
}

.author-title {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

/* =====================================================
   CTA Section
   ===================================================== */
.cta-section {
    padding: var(--spacing-20) 0;
    background: var(--gradient-hero);
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    color: white;
    margin-bottom: var(--spacing-4);
}

.cta-content>p {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-10);
}

.cta-form {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-6);
    margin-bottom: var(--spacing-6);
}

.form-row {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.form-input {
    flex: 1;
    min-width: 200px;
    padding: var(--spacing-4);
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-500);
}

.cta-form .btn {
    flex-shrink: 0;
}

.cta-note {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
}

.cta-note a {
    color: var(--primary-300);
    text-decoration: underline;
}

.cta-note a:hover {
    color: white;
}

/* =====================================================
   Contact Section
   ===================================================== */
.contact-section {
    padding: var(--spacing-20) 0;
    background: var(--gray-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
}

.contact-info h2 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
}

.contact-info>p {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    margin-bottom: var(--spacing-8);
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-100);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-600);
}

.contact-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    margin-bottom: var(--spacing-1);
}

.contact-item a,
.contact-item span:not(.contact-label) {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--gray-900);
}

.contact-item a:hover {
    color: var(--primary-600);
}

.contact-form-wrapper {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-10);
    box-shadow: var(--shadow-xl);
}

.contact-form .form-group {
    margin-bottom: var(--spacing-5);
}

.contact-form label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-2);
}

.contact-form .form-input {
    width: 100%;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
}

.contact-form .form-input:focus {
    background: white;
    border-color: var(--primary-500);
}

.contact-form textarea.form-input {
    resize: vertical;
    min-height: 120px;
}

/* =====================================================
   Footer
   ===================================================== */
.footer {
    background: var(--gray-900);
    color: white;
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-12);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-4);
}

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

.footer-brand>p {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
    margin-bottom: var(--spacing-6);
    max-width: 280px;
}

.social-links {
    display: flex;
    gap: var(--spacing-4);
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-800);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary-500);
    transform: translateY(-2px);
}

.social-links svg {
    width: 20px;
    height: 20px;
}

.footer-links h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-400);
    margin-bottom: var(--spacing-5);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.footer-links a {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--gray-800);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

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

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

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

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

    .hero-visual {
        display: none;
    }

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

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

    .feature-card.featured {
        grid-column: span 2;
        grid-row: span 1;
    }

    .steps-container {
        flex-direction: column;
        align-items: center;
    }

    .step-connector {
        display: none;
    }

    .step-card {
        max-width: 400px;
        width: 100%;
    }

    .benefits-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-10);
    }

    .benefits-text .section-title {
        text-align: center;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

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

    .pricing-card.popular.visible {
        transform: none;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-10);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-10);
    }

    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: var(--spacing-6);
        gap: var(--spacing-4);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.active {
        display: flex;
    }

    .navbar:not(.scrolled) .nav-links {
        background: var(--gray-900);
    }

    .nav-cta {
        display: none;
    }

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

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

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

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

    .feature-card.featured {
        grid-column: span 1;
    }

    .form-row {
        flex-direction: column;
    }

    .form-input {
        min-width: 100%;
    }

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

    .footer-brand {
        grid-column: span 1;
    }

    .footer-brand>p {
        margin-left: auto;
        margin-right: auto;
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: var(--spacing-4);
    }

    .stat-divider {
        display: none;
    }

    .btn-lg {
        padding: var(--spacing-3) var(--spacing-6);
        font-size: var(--font-size-sm);
    }

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

/* =====================================================
   How It Works - Details Grid
   ===================================================== */
.how-it-works-details {
    margin-top: var(--spacing-16);
    padding-top: var(--spacing-12);
    border-top: 1px solid var(--gray-200);
}

.details-title {
    text-align: center;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-10);
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
}

.detail-card {
    background: white;
    padding: var(--spacing-6);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(20px);
}

.detail-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.detail-card:hover {
    border-color: var(--primary-300);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.detail-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-50);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-4);
}

.detail-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-600);
}

.detail-card h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-2);
}

.detail-card p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.6;
}

/* =====================================================
   Innovation Section
   ===================================================== */
.innovation-section {
    margin-top: var(--spacing-16);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-10);
    align-items: center;
    background: var(--gradient-hero);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-12);
}

.innovation-badge {
    display: inline-block;
    padding: var(--spacing-2) var(--spacing-4);
    background: rgba(255, 255, 255, 0.15);
    color: var(--primary-300);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-4);
}

.innovation-content h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-4);
    line-height: 1.3;
}

.innovation-content p {
    font-size: var(--font-size-base);
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
}

.innovation-content strong {
    color: var(--primary-300);
}

.innovation-flow {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    align-items: center;
}

.flow-item {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--spacing-4) var(--spacing-6);
    text-align: center;
    width: 100%;
    max-width: 280px;
    backdrop-filter: blur(10px);
}

.flow-item.old {
    border-color: rgba(239, 68, 68, 0.4);
    background: rgba(239, 68, 68, 0.1);
}

.flow-item.new {
    border-color: rgba(16, 185, 129, 0.4);
    background: rgba(16, 185, 129, 0.1);
}

.flow-label {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-2);
}

.flow-item.old .flow-label {
    color: #fca5a5;
}

.flow-item.new .flow-label {
    color: #6ee7b7;
}

.flow-text {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: white;
}

.flow-arrow {
    color: var(--gray-400);
}

.flow-arrow svg {
    width: 24px;
    height: 24px;
    transform: rotate(90deg);
}

/* =====================================================
   Difference Section
   ===================================================== */
.difference-section {
    padding: var(--spacing-20) 0;
    background: var(--gray-50);
}

.difference-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-8);
}

.difference-card {
    padding: var(--spacing-10);
    border-radius: var(--radius-2xl);
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-base);
}

.difference-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.difference-card.others {
    background: white;
    border: 1px solid var(--gray-200);
}

.difference-card.sutasist {
    background: var(--gradient-hero);
    color: white;
    position: relative;
}

.sutasist-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-2) var(--spacing-5);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.difference-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-6);
}

.difference-card.others h3 {
    color: var(--gray-900);
}

.difference-card ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.difference-card li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.difference-card.others li {
    color: var(--gray-600);
}

.difference-card.sutasist li {
    color: rgba(255, 255, 255, 0.9);
}

.difference-card li svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

.difference-card.others li svg {
    color: #dc2626;
}

.difference-card.sutasist li svg {
    color: #10b981;
}

/* =====================================================
   Team Section
   ===================================================== */
.team-section {
    padding: var(--spacing-20) 0;
    background: white;
}

.team-content {
    max-width: 800px;
    margin: 0 auto;
}

.team-card {
    background: linear-gradient(135deg, var(--primary-50) 0%, var(--accent-50) 100%);
    border: 1px solid var(--primary-100);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-10);
    text-align: center;
}

.team-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    margin: 0 auto var(--spacing-6);
}

.team-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.team-card p {
    font-size: var(--font-size-lg);
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: var(--spacing-8);
}

.team-card strong {
    color: var(--primary-700);
}

.team-highlights {
    display: flex;
    justify-content: center;
    gap: var(--spacing-8);
    flex-wrap: wrap;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    background: white;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
}

.highlight-icon {
    font-size: 1.25rem;
}

.highlight-item span:last-child {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-700);
}

/* =====================================================
   Responsive Updates for New Sections
   ===================================================== */
@media (max-width: 1024px) {
    .details-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

@media (max-width: 768px) {
    .details-grid {
        grid-template-columns: 1fr;
    }

    .innovation-section {
        padding: var(--spacing-8);
    }

    .team-highlights {
        flex-direction: column;
        align-items: center;
    }

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

/* =====================================================
   FAQ Section
   ===================================================== */
.faq-section {
    padding: var(--spacing-20) 0;
    background: white;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--primary-200);
}

.faq-item.active {
    border-color: var(--primary-400);
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-4);
    padding: var(--spacing-5) var(--spacing-6);
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-800);
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--primary-600);
}

.faq-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--gray-400);
    transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    color: var(--primary-500);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 var(--spacing-6) var(--spacing-5);
}

.faq-answer p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.7;
}

/* Visibility animation classes */
.problem-card,
.feature-card,
.step-card,
.benefit-item,
.detail-card,
.difference-card {
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.problem-card:nth-child(1) {
    transition-delay: 0.1s;
}

.problem-card:nth-child(2) {
    transition-delay: 0.2s;
}

.problem-card:nth-child(3) {
    transition-delay: 0.3s;
}

.problem-card:nth-child(4) {
    transition-delay: 0.4s;
}

.feature-card:nth-child(1) {
    transition-delay: 0.1s;
}

.feature-card:nth-child(2) {
    transition-delay: 0.2s;
}

.feature-card:nth-child(3) {
    transition-delay: 0.3s;
}

.feature-card:nth-child(4) {
    transition-delay: 0.4s;
}

.feature-card:nth-child(5) {
    transition-delay: 0.5s;
}

.step-card:nth-child(1) {
    transition-delay: 0.1s;
}

.step-card:nth-child(3) {
    transition-delay: 0.2s;
}

.step-card:nth-child(5) {
    transition-delay: 0.3s;
}

.benefit-item:nth-child(1) {
    transition-delay: 0.1s;
}

.benefit-item:nth-child(2) {
    transition-delay: 0.2s;
}

.benefit-item:nth-child(3) {
    transition-delay: 0.3s;
}

.benefit-item:nth-child(4) {
    transition-delay: 0.4s;
}

.detail-card:nth-child(1) {
    transition-delay: 0.1s;
}

.detail-card:nth-child(2) {
    transition-delay: 0.2s;
}

.detail-card:nth-child(3) {
    transition-delay: 0.3s;
}

.detail-card:nth-child(4) {
    transition-delay: 0.4s;
}

.detail-card:nth-child(5) {
    transition-delay: 0.5s;
}

.detail-card:nth-child(6) {
    transition-delay: 0.6s;
}

.difference-card:nth-child(1) {
    transition-delay: 0.1s;
}

.difference-card:nth-child(2) {
    transition-delay: 0.2s;
}