/* ========== Design Tokens ========== */
:root {
    --primary-color: #5B3E8A;
    --primary-hover: #4C3275;
    --primary-dark: #3D2A6E;
    --primary-light: #F1ECF8;
    --primary-subtle: #F6F3FA;
    --primary-rgb: 91, 62, 138;

    --text-primary: #111827;
    --text-body: #374151;
    --text-secondary: #6B7280;
    --text-tertiary: #9CA3AF;
    --text-white: #FFFFFF;

    --bg-page: #F9FAFB;
    --bg-card: #FFFFFF;
    --bg-hover: #F3F4F6;

    --border-color: #E5E7EB;
    --border-light: #F3F4F6;

    --success-color: #059669;
    --warning-color: #D97706;
    --error-color: #DC2626;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.1);
    --shadow-glow: 0 0 60px rgba(91,62,138,0.15);

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

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-body);
    background: var(--bg-page);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

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

/* ========== Scroll Reveal ========== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s var(--transition), transform 0.7s var(--transition);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ========== Header ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 24px;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: var(--transition);
}
.header.scrolled {
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--shadow-sm);
}
.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-primary);
}
.brand .brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.5;
}
.brand .brand-text > span:first-child {
    font-style: normal;
}
.brand .brand-subtitle {
    font-size: 0.8rem;
    font-weight: 400;
    font-style: normal;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}
.brand img {
    height: 44px;
    width: 44px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}
.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition);
    position: relative;
}
.nav-links a:hover { color: var(--primary-color); }
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition);
    border-radius: 1px;
}
.nav-links a:hover::after { width: 100%; }

.header-cta {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}
.menu-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition);
    white-space: nowrap;
}
.btn-primary {
    background: var(--primary-color);
    color: var(--text-white);
    box-shadow: 0 4px 14px rgba(var(--primary-rgb), 0.25);
}
.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.35);
}
.btn-secondary {
    background: var(--bg-card);
    color: var(--primary-color);
    border: 1.5px solid var(--primary-color);
}
.btn-secondary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}
.btn-large {
    padding: 16px 36px;
    font-size: 1.1rem;
    border-radius: var(--radius-lg);
}
.btn-ghost {
    background: rgba(255,255,255,0.15);
    color: var(--text-white);
    border: 1.5px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(8px);
}
.btn-ghost:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-2px);
}

/* ========== Section Common ========== */
.section {
    padding: 100px 0;
}
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--primary-light);
    color: var(--primary-color);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 16px;
}
.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 16px;
}
.section-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 640px;
    line-height: 1.7;
}
.section-header {
    text-align: center;
    margin-bottom: 64px;
}
.section-header .section-subtitle {
    margin: 0 auto;
}

/* ========== Hero ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    overflow: hidden;
    background: linear-gradient(160deg, #FAFBFF 0%, var(--primary-light) 40%, #E8DFFF 70%, #F0E6FF 100%);
}
.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(var(--primary-rgb), 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(var(--primary-rgb), 0.06) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 10s ease-in-out infinite reverse;
}
@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}
.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    padding: 80px 0;
}
.hero-content { max-width: 560px; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(var(--primary-rgb), 0.15);
    border-radius: 100px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 24px;
}
.hero-badge i { font-size: 0.8rem; }
.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}
.hero-title .highlight {
    background: linear-gradient(135deg, var(--primary-color) 0%, #8B5CF6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-desc {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 40px;
}
.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}
.hero-stats {
    display: flex;
    gap: 40px;
}
.hero-stat {
    text-align: left;
}
.hero-stat-value {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
}
.hero-stat-label {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-top: 2px;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}
.hero-mockup {
    position: relative;
    width: 100%;
    max-width: 480px;
}
.hero-card {
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}
.hero-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}
.hero-card-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #8B5CF6 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}
.hero-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}
.hero-card-sub {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}
.hero-card-fields {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.hero-field {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: rgba(255,255,255,0.6);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(0,0,0,0.04);
}
.hero-field-label {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}
.hero-field-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}
.hero-field-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 0.78rem;
    font-weight: 600;
}
.badge-success {
    background: #ECFDF5;
    color: var(--success-color);
}
.badge-ai {
    background: var(--primary-light);
    color: var(--primary-color);
}

/* Floating cards around hero */
.float-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.9);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    animation: floatCard 6s ease-in-out infinite;
    white-space: nowrap;
}
.float-card-1 {
    top: 10%;
    right: -20px;
    animation-delay: 0s;
}
.float-card-2 {
    bottom: 15%;
    left: -30px;
    animation-delay: 2s;
}
.float-card-3 {
    bottom: 5%;
    right: 0;
    animation-delay: 4s;
}
@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
.float-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
}
.float-icon-green { background: #ECFDF5; color: var(--success-color); }
.float-icon-purple { background: var(--primary-light); color: var(--primary-color); }
.float-icon-amber { background: #FEF3C7; color: var(--warning-color); }

/* ========== Pain Points ========== */
.pain-section {
    background: var(--bg-card);
}
.pain-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.pain-card {
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}
.pain-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.pain-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), #8B5CF6);
    opacity: 0;
    transition: opacity var(--transition);
}
.pain-card:hover::before { opacity: 1; }
.pain-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 20px;
}
.pain-icon-red { background: #FEF2F2; color: var(--error-color); }
.pain-icon-amber { background: #FEF3C7; color: var(--warning-color); }
.pain-icon-blue { background: #DBEAFE; color: #2563EB; }
.pain-icon-gray { background: var(--bg-hover); color: var(--text-secondary); }
.pain-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}
.pain-card p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========== How It Works ========== */
.steps-section {
    background: linear-gradient(180deg, var(--bg-page) 0%, var(--primary-subtle) 100%);
}
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    position: relative;
}
.steps-grid::before {
    content: '';
    position: absolute;
    top: 60px;
    left: 16.67%;
    right: 16.67%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-light), var(--primary-color), var(--primary-light));
    z-index: 0;
}
.step-card {
    text-align: center;
    position: relative;
    z-index: 1;
}
.step-number {
    width: 56px;
    height: 56px;
    margin: 0 auto 24px;
    background: var(--bg-card);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--primary-color);
    box-shadow: var(--shadow-md);
}
.step-visual {
    width: 100%;
    height: 200px;
    background: rgba(255,255,255,0.6);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.8);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}
.step-visual i {
    font-size: 3.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, #8B5CF6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.step-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}
.step-card p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 320px;
    margin: 0 auto;
}

/* ========== Features ========== */
.features-section {
    background: var(--bg-card);
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.feature-card {
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition);
    position: relative;
}
.feature-card:hover {
    border-color: rgba(var(--primary-rgb), 0.3);
    box-shadow: 0 8px 30px rgba(var(--primary-rgb), 0.08);
    transform: translateY(-4px);
}
.feature-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--primary-light) 0%, #EDE5FF 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}
.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}
.feature-card p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========== Comparison ========== */
.compare-section {
    background: linear-gradient(180deg, var(--bg-page) 0%, var(--primary-subtle) 100%);
}
.compare-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.compare-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}
.compare-table th,
.compare-table td {
    padding: 18px 24px;
    text-align: center;
    font-size: 0.92rem;
    border-bottom: 1px solid var(--border-light);
}
.compare-table thead th {
    background: var(--bg-hover);
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1rem;
}
.compare-table thead th:last-child {
    background: linear-gradient(135deg, var(--primary-color) 0%, #7C4DFF 100%);
    color: var(--text-white);
}
.compare-table td:first-child {
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
}
.compare-table td:last-child {
    background: rgba(var(--primary-rgb), 0.03);
}
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-check { color: var(--success-color); font-size: 1.1rem; }
.compare-cross { color: var(--text-tertiary); font-size: 1.1rem; }
.compare-text { color: var(--text-secondary); }
.compare-highlight {
    color: var(--primary-color);
    font-weight: 700;
}

/* ========== FAQ ========== */
.faq-section {
    background: var(--bg-card);
}
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.faq-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--transition);
}
.faq-item[open] {
    border-color: rgba(var(--primary-rgb), 0.3);
}
.faq-item summary {
    padding: 20px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
    transition: background var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { background: var(--bg-hover); }
.faq-item summary::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    transition: transform var(--transition);
}
.faq-item[open] summary::after {
    transform: rotate(180deg);
}
.faq-answer {
    padding: 0 24px 20px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========== CTA Section ========== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 40%, #7C4DFF 100%);
    color: var(--text-white);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.05) 0%, transparent 50%);
}
.cta-content {
    position: relative;
    z-index: 1;
}
.cta-title {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.2;
}
.cta-desc {
    font-size: 1.15rem;
    opacity: 0.85;
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.7;
}
.cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* ========== Footer ========== */
.footer {
    background: #1A1225;
    color: rgba(255,255,255,0.6);
    padding: 60px 0 30px;
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-brand {
    max-width: 320px;
}
.footer-brand .brand {
    color: var(--text-white);
    margin-bottom: 16px;
}
.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
}
.footer-links-group h4 {
    color: var(--text-white);
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.footer-links-group ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-links-group a {
    font-size: 0.9rem;
    transition: color var(--transition);
}
.footer-links-group a:hover { color: var(--text-white); }
.footer-divider {
    border: none;
    border-top: 1px solid rgba(255,255,255,0.08);
    margin-bottom: 24px;
}
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

/* ========== 5-Step Grid ========== */
.steps-grid-5 {
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}
.steps-grid-5::before {
    left: 10%;
    right: 10%;
}

/* ========== Evolution Timeline ========== */
.evolution-section {
    background: linear-gradient(180deg, var(--bg-page) 0%, var(--primary-subtle) 100%);
}
.evolution-timeline {
    margin-bottom: 64px;
}
.evo-track {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    padding: 0 20px;
}
.evo-track::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 20px;
    right: 20px;
    height: 3px;
    background: linear-gradient(90deg, var(--border-color) 0%, var(--primary-color) 100%);
    transform: translateY(-50%);
    z-index: 0;
    border-radius: 2px;
}
.evo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    position: relative;
    z-index: 1;
}
.evo-dot {
    width: 16px;
    height: 16px;
    background: var(--bg-card);
    border: 3px solid var(--border-color);
    border-radius: 50%;
    transition: all var(--transition);
}
.evo-dot-current {
    width: 22px;
    height: 22px;
    border-color: var(--primary-color);
    background: var(--primary-color);
    box-shadow: 0 0 0 6px rgba(var(--primary-rgb), 0.15), var(--shadow-glow);
}
.evo-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-tertiary);
    text-transform: uppercase;
}
.evo-item-current .evo-label {
    color: var(--primary-color);
    font-size: 0.85rem;
}
.evo-role {
    font-size: 0.72rem;
    color: var(--text-tertiary);
    white-space: nowrap;
}
.evo-item-current .evo-role {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.8rem;
}

.evo-details-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.evo-detail-card {
    padding: 28px 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    transition: all var(--transition);
}
.evo-detail-card:hover {
    border-color: rgba(var(--primary-rgb), 0.3);
    box-shadow: 0 8px 30px rgba(var(--primary-rgb), 0.08);
    transform: translateY(-4px);
}
.evo-detail-phase {
    display: inline-flex;
    padding: 4px 12px;
    background: var(--primary-light);
    color: var(--primary-color);
    font-size: 0.78rem;
    font-weight: 700;
    border-radius: 100px;
    margin-bottom: 14px;
}
.evo-detail-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}
.evo-detail-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; gap: 48px; }
    .hero-content { max-width: 100%; text-align: center; }
    .hero-title { font-size: 2.8rem; }
    .hero-actions { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-visual { max-width: 420px; margin: 0 auto; }
    .float-card-1 { right: -10px; }
    .float-card-2 { left: -10px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid-5 { grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .evo-details-grid { grid-template-columns: repeat(2, 1fr); }
    .evo-role { font-size: 0.65rem; }
}

@media (max-width: 768px) {
    .section { padding: 72px 0; }
    .section-title { font-size: 2rem; }
    .hero { min-height: auto; padding-top: 72px; padding-bottom: 0; }
    .hero-inner { padding: 48px 0; }
    .hero-title { font-size: 2.2rem; }
    .hero-desc { font-size: 1.05rem; }
    .hero-actions { flex-direction: column; align-items: center; }
    .hero-actions .btn { width: 100%; max-width: 320px; }
    .hero-stats { flex-wrap: wrap; gap: 24px; justify-content: center; }
    .hero-visual { display: none; }
    .pain-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .steps-grid { grid-template-columns: 1fr; gap: 48px; }
    .steps-grid-5 { grid-template-columns: 1fr; gap: 40px; }
    .steps-grid::before { display: none; }
    .steps-grid-5::before { display: none; }
    .features-grid { grid-template-columns: 1fr; }
    .evo-details-grid { grid-template-columns: 1fr; }
    .evo-track { flex-wrap: wrap; gap: 12px; justify-content: center; }
    .evo-track::before { display: none; }
    .evo-role { display: none; }
    .nav-links { display: none; }
    .menu-toggle { display: flex; }
    .cta-title { font-size: 2rem; }
    .cta-actions { flex-direction: column; align-items: center; }
    .cta-actions .btn { width: 100%; max-width: 320px; }
    .footer-inner { flex-direction: column; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    .compare-table th, .compare-table td { padding: 14px 16px; font-size: 0.85rem; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero-title { font-size: 1.9rem; }
    .section-title { font-size: 1.7rem; }
    .pain-grid { grid-template-columns: 1fr; }
    .hero-stat-value { font-size: 1.3rem; }
}

/* Mobile nav overlay */
.mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(4px);
}
.mobile-nav.open { display: block; }
.mobile-nav-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: 280px;
    height: 100%;
    background: var(--bg-card);
    padding: 24px;
    box-shadow: -4px 0 20px rgba(0,0,0,0.1);
}
.mobile-nav-close {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 24px;
}
.mobile-nav-close button {
    font-size: 1.2rem;
    color: var(--text-secondary);
    padding: 8px;
}
.mobile-nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.mobile-nav-links a {
    display: block;
    padding: 14px 16px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-body);
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}
.mobile-nav-links a:hover { background: var(--bg-hover); }
.mobile-nav-cta {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}