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

:root {
    /* Light Blue Color Palette - Matching IMPRESSO Logo */
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --secondary: #06b6d4;
    --accent: #0ea5e9;
    --success: #10b981;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    --gradient-secondary: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    --gradient-accent: linear-gradient(135deg, #60a5fa 0%, #38bdf8 100%);
    --gradient-warm: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    
    /* Neutrals */
    --bg-primary: #ffffff;
    --bg-secondary: #f0f9ff;
    --bg-dark: #0c4a6e;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-light: #94a3b8;
    --border: #e0f2fe;
    
    /* Spacing */
    --container-width: 1200px;
    --section-padding: 100px 20px;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', var(--font-primary);
    
    /* 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-glow: 0 0 30px rgba(59, 130, 246, 0.3);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===================================
   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(--border);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo-img {
    height: 40px;
    width: auto;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.btn-nav {
    background: var(--gradient-primary);
    color: white !important;
    padding: 10px 24px;
    border-radius: 50px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 81px;
    left: 0;
    right: 0;
    background: white;
    border-bottom: 1px solid var(--border);
    padding: 20px;
    flex-direction: column;
    gap: 20px;
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

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

.mobile-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    padding: 10px;
    text-align: center;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--section-padding);
    padding-top: 120px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
    overflow-x: hidden;
    overflow-y: visible;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: var(--gradient-accent);
    opacity: 0.1;
    border-radius: 50%;
    filter: blur(100px);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
    overflow: visible;
}

.hero-text {
    animation: fadeInUp 0.8s ease;
    overflow: visible;
}

.badge {
    display: inline-block;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(40px, 5vw, 64px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

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

.hero-description {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.6;
    max-width: 600px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    margin-top: 32px;
    overflow: visible;
}

.promo-text {
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.btn-primary:hover {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.btn-secondary {
    background: rgba(59, 130, 246, 0.08);
    color: var(--primary);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.btn-secondary:hover {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.3);
}

.btn-secondary:active {
    background: rgba(59, 130, 246, 0.16);
}

.hero-stats {
    display: flex;
    gap: 60px;
    flex-wrap: wrap;
    margin-top: 48px;
    padding-top: 8px;
    padding-bottom: 8px;
    overflow: visible;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
    overflow: visible;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.5;
    display: block;
    padding: 4px 0;
    overflow: visible;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
    line-height: 1.6;
    max-width: 140px;
    display: block;
    overflow: visible;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 0.8s ease;
    z-index: 1;
}

.chat-demo {
    width: 400px;
    max-width: 100%;
    background: white;
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    border: 1px solid var(--border);
}

.chat-header {
    background: var(--gradient-primary);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-avatar {
    width: 48px;
    height: 48px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 2px solid white;
}

.chat-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.chat-avatar svg {
    width: 28px;
    height: 28px;
    stroke: var(--primary);
}

.chat-header-info {
    flex: 1;
}

.chat-name {
    font-weight: 700;
    font-size: 18px;
    color: white;
    margin-bottom: 2px;
}

.chat-status {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
}

.chat-messages {
    padding: 24px;
    background: #f8fafc;
    max-height: 450px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chat-message {
    display: flex;
    animation: slideIn 0.3s ease;
}

.user-message {
    justify-content: flex-end;
}

.ai-message {
    justify-content: flex-start;
}

.message-bubble {
    max-width: 75%;
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.5;
}

.user-message .message-bubble {
    background: var(--primary);
    color: white;
    border-bottom-right-radius: 4px;
}

.ai-message .message-bubble {
    background: white;
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-bottom-left-radius: 4px;
}

.chat-input-demo {
    padding: 16px 20px;
    background: white;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
}

.chat-input-demo span {
    color: var(--text-light);
    font-size: 14px;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   PROBLEM SECTION
   =================================== */
.problem-section {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.section-header p {
    font-size: clamp(16px, 1.5vw, 18px);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

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

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
    align-items: stretch;
}

.problem-card {
    background: white;
    padding: 40px 30px;
    border-radius: 24px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border);
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    border-color: rgba(59, 130, 246, 0.3);
}

.problem-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 20px;
    color: var(--primary);
    stroke-width: 1.5;
}

.problem-card h3 {
    font-size: clamp(18px, 2vw, 20px);
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
    line-height: 1.3;
}

.problem-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 15px;
}

/* ===================================
   FEATURES SECTION
   =================================== */
.features-section {
    padding: var(--section-padding);
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    align-items: stretch;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 28px;
    border: 1px solid var(--border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    border-color: rgba(59, 130, 246, 0.3);
}

.feature-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    display: block;
    color: #fa709a;
    stroke-width: 1.5;
}

.feature-card h3 {
    font-size: clamp(20px, 2.5vw, 22px);
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
    line-height: 1.3;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
    font-size: 16px;
}

.feature-tag {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
}

/* ===================================
   STUDENTS SECTION
   =================================== */
.students-section {
    padding: var(--section-padding);
    background: white;
}

.students-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
    align-items: stretch;
}

.student-card {
    background: var(--bg-secondary);
    padding: 40px 32px;
    border-radius: 24px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid var(--border);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.student-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.15);
    border-color: var(--primary);
}

.student-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    color: var(--primary);
    stroke-width: 1.5;
}

.student-card h3 {
    font-size: clamp(20px, 2.5vw, 24px);
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
    line-height: 1.3;
}

.student-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 16px;
}

/* ===================================
   HOW IT WORKS SECTION
   =================================== */
.how-it-works {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.step {
    text-align: center;
    background: white;
    padding: 32px 24px;
    border-radius: 20px;
    border: 2px solid var(--border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.step:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.15);
    border-color: var(--primary);
}

.step-number {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    margin: 0 auto 20px;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.step-content h3 {
    font-family: var(--font-display);
    font-size: clamp(18px, 2vw, 20px);
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 15px;
    margin: 0;
}

/* ===================================
   PRIVACY SECTION
   =================================== */
.privacy-section {
    padding: var(--section-padding);
    background: white;
    text-align: center;
}

.privacy-content {
    max-width: 900px;
    margin: 0 auto;
}

.privacy-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-secondary);
    padding: 8px 20px;
    border-radius: 50px;
    margin-bottom: 24px;
    border: 2px solid var(--primary);
}

.privacy-badge svg {
    width: 20px;
    height: 20px;
    stroke: var(--primary);
}

.privacy-badge span {
    font-weight: 700;
    color: var(--primary);
    font-size: 14px;
}

.privacy-content h2 {
    font-family: var(--font-display);
    font-size: clamp(36px, 4vw, 48px);
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
    line-height: 1.2;
}

.privacy-intro {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--text-secondary);
    margin-bottom: 48px;
    line-height: 1.6;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.privacy-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    text-align: left;
    margin-top: 48px;
}

.privacy-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 24px;
    background: var(--bg-secondary);
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.privacy-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
    border-color: var(--primary);
}

.privacy-item svg {
    width: 32px;
    height: 32px;
    stroke: var(--primary);
    flex-shrink: 0;
    margin-top: 4px;
}

.privacy-text h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.privacy-text p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* ===================================
   SOCIAL PROOF SECTION
   =================================== */
.social-proof {
    padding: var(--section-padding);
    background: white;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.stat-card {
    text-align: center;
    padding: 40px 20px;
    background: white;
    border-radius: 24px;
    border: 1px solid var(--border);
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-card:hover {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
}

.stat-negative {
    background: white;
    border-color: var(--border);
}

.stat-negative:hover {
    border-color: #1e293b;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.stat-big {
    font-family: var(--font-display);
    font-size: 56px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.stat-negative .stat-big {
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
    color: #1e293b;
}

.stat-card p {
    color: var(--text-secondary);
    font-size: 16px;
}

/* ===================================
   DOWNLOAD SECTION
   =================================== */
.download-section {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    color: white;
    text-align: center;
}

.download-content h2 {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
}

.download-content p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.store-buttons {
    display: flex;
    gap: 48px;
    justify-content: center;
    flex-wrap: wrap;
}

.store-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    background: white;
    color: var(--text-primary);
    padding: 16px 32px;
    border-radius: 20px;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.store-btn:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.15), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
}

.store-btn:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.store-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.store-text .small {
    font-size: 12px;
    color: var(--text-secondary);
}

.store-text .large {
    font-size: 18px;
    font-weight: 700;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 40px 20px 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 3fr;
    gap: 40px;
    margin-bottom: 24px;
    align-items: start;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
}

.footer-logo {
    height: 40px;
    width: auto;
    max-width: 150px;
    object-fit: contain;
    display: block;
}

.footer-brand p {
    color: var(--text-light);
    font-size: 13px;
    line-height: 1.5;
    margin: 0;
    max-width: 200px;
}

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

.footer-column h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    color: white;
}

.footer-column a {
    display: block;
    color: var(--text-light);
    text-decoration: none;
    margin-bottom: 8px;
    font-size: 13px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--text-light);
    font-size: 13px;
    margin: 0;
}

/* ===================================
   ANIMATIONS
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ===================================
   PROFESSIONALS SECTION
   =================================== */
.professionals-section {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
    position: relative;
    overflow: hidden;
}

.professionals-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.professionals-text .section-description {
    font-size: 18px;
    color: var(--text-secondary);
    margin: 20px 0 40px;
    line-height: 1.7;
}

.professionals-benefits {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
}

.benefit-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.benefit-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    padding: 12px;
    background: white;
    border-radius: 12px;
    stroke: var(--primary);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.1);
}

.benefit-item h3 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.benefit-item p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.professionals-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.professionals-stats {
    display: flex;
    gap: 60px;
    padding: 30px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    justify-content: center;
    flex-wrap: wrap;
}

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

.pro-stat-number {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.pro-stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.professionals-visual {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.testimonial-card {
    background: white;
    padding: 32px;
    border-radius: 20px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border);
}

.testimonial-header {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}

.testimonial-avatar {
    width: 56px;
    height: 56px;
    min-width: 56px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-avatar svg {
    width: 28px;
    height: 28px;
    stroke: white;
}

.testimonial-name {
    font-weight: 600;
    font-size: 18px;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.testimonial-title {
    font-size: 14px;
    color: var(--text-secondary);
}

.testimonial-text {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-coins {
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.coin-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    color: #92400e;
}

.impact-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.impact-item {
    background: white;
    padding: 24px;
    border-radius: 16px;
    text-align: center;
    border: 2px solid var(--border);
}

.impact-number {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.impact-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===================================
   ESPRESSOX DEX SECTION
   =================================== */
.espressox-section {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.espressox-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    z-index: 0;
}

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

.dex-showcase {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 60px 40px;
    text-align: center;
}

.dex-icon-large {
    width: 120px;
    height: 120px;
    margin: 0 auto 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.3);
    animation: float 3s ease-in-out infinite;
}

.dex-icon-large svg {
    width: 60px;
    height: 60px;
    stroke: white;
}

.dex-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

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

.dex-stat-value {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 700;
    background: linear-gradient(135deg, #a78bfa 0%, #c084fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.dex-stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.espressox-text .section-description {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin: 20px 0 40px;
    line-height: 1.7;
}

.espressox-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.espressox-feature {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 20px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.espressox-feature:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(167, 139, 250, 0.3);
    transform: translateX(8px);
}

.espressox-feature svg {
    width: 40px;
    height: 40px;
    min-width: 40px;
    padding: 8px;
    background: rgba(167, 139, 250, 0.15);
    border-radius: 10px;
    stroke: #a78bfa;
}

.espressox-feature h4 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: white;
}

.espressox-feature p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.espressox-cta {
    margin-top: 40px;
}

.espressox-note {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 16px;
    font-style: italic;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 48px;
    }
    
    .hero-visual {
        margin-top: 40px;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 48px;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .professionals-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .professionals-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .espressox-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .dex-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero {
        padding: 120px 20px 60px;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero-description {
        font-size: 18px;
    }
    
    .section-header h2 {
        font-size: 36px;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .chat-demo {
        width: 100%;
        max-width: 360px;
    }
    
    .chat-messages {
        max-height: 350px;
        padding: 16px;
    }
    
    .message-bubble {
        font-size: 13px;
        max-width: 85%;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .store-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .store-btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 32px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .download-content h2 {
        font-size: 32px;
    }
    
    .hero-stats {
        gap: 32px;
    }
    
    .store-buttons {
        gap: 24px;
    }
}