/* ================================
   DESIGN SYSTEM - Hi-Commerce
   Style: Hi-Commerce Corporate Clean
   ================================ */

/* ===== VARIABLES ===== */
:root {
    /* Colors - Hi-Commerce Brand */
    --color-primary: #0693e3; /* Vivid Cyan Blue */
    --color-primary-light: #3daee6;
    --color-primary-dark: #0578bd;
    --color-secondary: #9b51e0; /* Vivid Purple */
    --color-accent: #ff6900; /* Luminous Orange */
    --color-success: #10B981;
    --color-danger: #EF4444;
    --color-warning: #F59E0B;

    /* Gradients - Hi-Commerce signature */
    --gradient-primary: linear-gradient(135deg, #0693e3 0%, #9b51e0 100%);
    --gradient-accent: linear-gradient(135deg, #ff6900 0%, #9b51e0 100%);
    --gradient-success: linear-gradient(135deg, #0693e3 0%, #10B981 100%);
    --gradient-dark: linear-gradient(135deg, #000000 0%, #32373c 100%);

    /* Neutrals - Hi-Commerce */
    --color-bg-dark: #000000;
    --color-bg-darker: #000000;
    --color-bg-light: #ffffff;
    --color-surface: #32373c;
    --color-surface-light: #abb8c3;

    --color-text-primary: #FFFFFF;
    --color-text-secondary: #abb8c3;
    --color-text-muted: #6c757d;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-24: 6rem;

    /* Typography - Hi-Commerce */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --text-xs: 0.8125rem;      /* 13px */
    --text-sm: 0.875rem;       /* 14px */
    --text-base: 1.25rem;      /* 20px - Hi-Commerce body */
    --text-lg: 1.375rem;       /* 22px */
    --text-xl: 1.5rem;         /* 24px */
    --text-2xl: 1.75rem;       /* 28px */
    --text-3xl: 2.25rem;       /* 36px - Hi-Commerce heading */
    --text-4xl: 2.625rem;      /* 42px - Hi-Commerce large heading */
    --text-5xl: 3rem;          /* 48px */
    --text-6xl: 3.75rem;       /* 60px */

    /* Effects - Hi-Commerce subtle */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.15);
    --shadow-lg: 6px 6px 9px rgba(0, 0, 0, 0.2);
    --shadow-xl: 8px 8px 12px rgba(0, 0, 0, 0.25);
    --shadow-glow: none;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Layout - Hi-Commerce */
    --container-width: 1200px;        /* Wide sections */
    --container-content: 800px;       /* Text content max-width */
    --container-padding: var(--space-6);
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 0.75rem;
    --border-radius-2xl: 1rem;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-4);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p {
    margin-bottom: var(--space-4);
}

strong {
    font-weight: 600;
    color: var(--color-text-primary);
}

/* ===== UTILITIES ===== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--space-24) 0;
    position: relative;
}

.section-header {
    margin-bottom: var(--space-16);
}

.section-header.center {
    text-align: center;
}

.section-title {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
}

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

.underline-accent {
    position: relative;
    display: inline-block;
}

.underline-accent::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(6, 147, 227, 0.1);
    border: 1px solid rgba(6, 147, 227, 0.3);
    border-radius: 999px;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--space-6);
}

.badge-text {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* Fade-in animations (activated by JS) */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== BUTTONS - Hi-Commerce Style ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: calc(0.667em + 2px) calc(1.333em + 2px);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    border: none;
    transition: all var(--transition-base);
    cursor: pointer;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #ff6900 0%, #ff8533 100%);
    color: #000000;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(255, 105, 0, 0.3);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #e65f00 0%, #ff6900 100%);
    box-shadow: 0 6px 16px rgba(255, 105, 0, 0.4);
    transform: translateY(-2px);
}

.btn-large {
    padding: calc(0.875em + 2px) calc(1.75em + 2px);
    font-size: var(--text-lg);
}

.btn-icon {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
}

.btn:hover .btn-icon {
    transform: translateX(4px);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: var(--space-16) 0;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: var(--text-6xl);
    line-height: 1.1;
    margin-bottom: var(--space-6);
}

.hero-subtitle-inline {
    font-size: var(--text-3xl);
    font-weight: 600;
    color: var(--color-text-secondary);
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

.hero-trust {
    display: flex;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.trust-item .icon {
    width: 20px;
    height: 20px;
    color: var(--color-primary-light);
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.cta-subtext {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin: 0;
}

/* Hero Visual - Chart */
.hero-visual {
    perspective: 1000px;
}

.chart-container {
    background: rgba(31, 41, 55, 0.5);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--border-radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-xl);
    animation: float 6s ease-in-out infinite;
}

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

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

.chart-title {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.chart-metric {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    margin-top: var(--space-2);
}

.chart-graph {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.chart-bar {
    flex: 1;
    background: rgba(99, 102, 241, 0.1);
    border: 2px solid var(--color-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--space-6) var(--space-4);
    text-align: center;
    transition: all var(--transition-slow);
}

.chart-bar:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.chart-before {
    height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.chart-after {
    height: 200px;
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--color-success);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.bar-label {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    margin-bottom: var(--space-2);
}

.bar-value {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
}

.chart-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
}

.chart-arrow svg {
    width: 40px;
    height: 40px;
    color: var(--color-success);
}

.growth-percent {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-success);
}

.chart-footer {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    border-top: 1px solid rgba(99, 102, 241, 0.2);
    padding-top: var(--space-4);
}

/* Hero Background - Hi-Commerce Clean (no orbs) */
.hero-background {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow: hidden;
    pointer-events: none;
    background: var(--color-bg-dark);
}

/* Subtle gradient overlay instead of orbs */
.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(6, 147, 227, 0.05) 100%);
}

/* ===== PROBLEM SECTION - Hi-Commerce White ===== */
.section-problem {
    background: var(--color-bg-light);
    color: #000;
}

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

.problem-card {
    background: #ffffff;
    border: 2px solid rgba(239, 68, 68, 0.25);
    border-radius: var(--border-radius-lg);
    padding: var(--space-8);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all var(--transition-base);
}

.problem-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: rgba(239, 68, 68, 0.4);
}

.problem-icon {
    width: 60px;
    height: 60px;
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
}

.problem-icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-danger);
}

.problem-card h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-4);
}

.problem-card p {
    color: var(--color-text-secondary);
    font-size: var(--text-base);
    line-height: 1.7;
    margin: 0;
}

/* ===== SOLUTION SECTION - Hi-Commerce Black ===== */
.section-solution {
    background: var(--color-bg-dark);
}

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

.solution-card {
    position: relative;
    background: rgba(50, 55, 60, 0.3);
    border: 1px solid rgba(6, 147, 227, 0.2);
    border-radius: var(--border-radius-lg);
    padding: var(--space-8);
    transition: all var(--transition-base);
}

.solution-card::before {
    content: attr(data-number);
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: rgba(6, 147, 227, 0.1);
    font-family: var(--font-display);
}

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

.solution-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
}

.solution-icon svg {
    width: 36px;
    height: 36px;
    color: white;
}

.solution-card h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
}

.solution-card > p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.solution-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.solution-features li {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* ===== GUARANTEE SECTION - Hi-Commerce White ===== */
.section-guarantee {
    background: var(--color-bg-light);
    color: #000;
    position: relative;
    overflow: hidden;
}

.guarantee-box {
    max-width: 900px;
    margin: 0 auto;
    background: #ffffff;
    border: 2px solid rgba(6, 147, 227, 0.35);
    border-radius: var(--border-radius-lg);
    padding: var(--space-16);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    position: relative;
    z-index: 2;
}

.guarantee-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 999px;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-success);
    margin-bottom: var(--space-8);
}

.guarantee-badge svg {
    width: 20px;
    height: 20px;
}

.guarantee-title {
    font-size: var(--text-4xl);
    text-align: center;
    margin-bottom: var(--space-6);
}

.guarantee-subtitle {
    text-align: center;
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-12);
}

.guarantee-formula {
    margin-bottom: var(--space-12);
}

.formula-box {
    background: rgba(99, 102, 241, 0.1);
    border: 2px solid var(--color-primary);
    border-radius: var(--border-radius-xl);
    padding: var(--space-8);
    text-align: center;
}

.formula-label {
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

.formula-content code {
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-primary-light);
    background: rgba(99, 102, 241, 0.1);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--border-radius-md);
    display: inline-block;
}

.formula-explanation {
    margin-top: var(--space-6);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.guarantee-timeline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
    flex-wrap: wrap;
}

.timeline-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-base);
}

.timeline-step.highlight {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.timeline-icon {
    font-size: var(--text-3xl);
}

.timeline-label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-primary);
}

.timeline-desc {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.timeline-arrow {
    font-size: var(--text-2xl);
    color: var(--color-primary);
}

.guarantee-risk {
    margin-bottom: var(--space-8);
}

.risk-box {
    background: rgba(16, 185, 129, 0.1);
    border: 2px solid var(--color-success);
    border-radius: var(--border-radius-xl);
    padding: var(--space-8);
    text-align: center;
}

.risk-box h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
}

.risk-box p {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin: 0;
}

.guarantee-conditions details {
    margin-top: var(--space-8);
    padding: var(--space-6);
    background: rgba(55, 65, 81, 0.3);
    border-radius: var(--border-radius-lg);
}

.guarantee-conditions summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--color-text-primary);
    user-select: none;
    list-style: none;
}

.guarantee-conditions summary::after {
    content: ' ▼';
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.guarantee-conditions details[open] summary::after {
    content: ' ▲';
}

.guarantee-conditions ul {
    margin-top: var(--space-4);
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.guarantee-conditions li {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
}

/* ===== CASE STUDIES SECTION - Hi-Commerce Black ===== */
.section-cases {
    background: var(--color-bg-dark);
}

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

.case-card {
    background: rgba(50, 55, 60, 0.3);
    border: 1px solid rgba(6, 147, 227, 0.2);
    border-radius: var(--border-radius-lg);
    padding: var(--space-8);
    transition: all var(--transition-base);
}

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

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
}

.case-tag {
    font-size: var(--text-sm);
    font-weight: 600;
    padding: var(--space-2) var(--space-4);
    background: var(--gradient-primary);
    border-radius: var(--border-radius-md);
    color: white;
}

.case-duration {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.case-metrics {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-8);
    padding: var(--space-6);
    background: rgba(99, 102, 241, 0.05);
    border-radius: var(--border-radius-lg);
}

.metric-before,
.metric-after {
    text-align: center;
}

.metric-label {
    font-size: var(--text-xs);
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}

.metric-value {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-text-primary);
}

.metric-unit {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
}

.metric-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
}

.metric-arrow svg {
    width: 32px;
    height: 32px;
    color: var(--color-success);
}

.metric-arrow span {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-success);
}

.case-actions {
    margin-bottom: var(--space-8);
}

.case-actions h4 {
    font-size: var(--text-sm);
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

.case-actions ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.case-actions li {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    padding-left: var(--space-6);
    position: relative;
}

.case-actions li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.case-screenshot {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.screenshot-placeholder {
    aspect-ratio: 16/9;
    background: rgba(99, 102, 241, 0.05);
    border: 2px dashed rgba(99, 102, 241, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
}

.screenshot-placeholder svg {
    width: 48px;
    height: 48px;
    color: var(--color-text-muted);
}

.screenshot-placeholder p {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-align: center;
    margin: 0;
}

/* ===== PROCESS SECTION - Hi-Commerce White ===== */
.section-process {
    background: var(--color-bg-light);
    color: #000;
}

.process-timeline {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.process-step {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--space-6);
    padding: var(--space-8);
    background: #ffffff;
    border: 2px solid rgba(6, 147, 227, 0.3);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all var(--transition-base);
    position: relative;
}

.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 40px;
    bottom: -32px;
    width: 2px;
    height: 32px;
    background: linear-gradient(180deg, rgba(6, 147, 227, 0.4) 0%, transparent 100%);
}

.process-step:hover {
    border-color: var(--color-primary);
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.process-step.highlight {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--color-success);
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-3xl);
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.process-step.highlight .step-number {
    background: var(--gradient-success);
}

.step-content h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
}

.step-content > p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.step-deliverables {
    background: rgba(99, 102, 241, 0.05);
    border-radius: var(--border-radius-lg);
    padding: var(--space-6);
}

.step-deliverables strong {
    font-size: var(--text-sm);
    text-transform: uppercase;
    color: var(--color-text-muted);
    display: block;
    margin-bottom: var(--space-3);
}

.step-deliverables ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.step-deliverables li {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    padding-left: var(--space-6);
    position: relative;
}

.step-deliverables li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

/* ===== ABOUT SECTION - Hi-Commerce Black ===== */
.section-about {
    background: var(--color-bg-dark);
}

.about-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-12);
    align-items: center;
}

.about-image {
    position: relative;
}

.image-placeholder {
    aspect-ratio: 1;
    background: rgba(6, 147, 227, 0.1);
    border: 2px dashed rgba(6, 147, 227, 0.3);
    border-radius: var(--border-radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
}

.image-placeholder svg {
    width: 80px;
    height: 80px;
    color: var(--color-text-muted);
}

.image-placeholder p {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-align: center;
    margin: 0;
}

.about-text h2 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-6);
}

.about-intro {
    font-size: var(--text-lg);
    color: var(--color-text-primary);
    margin-bottom: var(--space-6);
}

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

.about-credentials {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-top: var(--space-8);
}

.credential-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: rgba(99, 102, 241, 0.05);
    border-radius: var(--border-radius-lg);
}

.credential-item svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    flex-shrink: 0;
}

/* ===== FAQ SECTION - Hi-Commerce White ===== */
.section-faq {
    background: var(--color-bg-light);
    color: #000;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.faq-item {
    background: #ffffff;
    border: 2px solid rgba(6, 147, 227, 0.3);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-6);
    background: transparent;
    border: none;
    color: #000000;
    font-size: var(--text-lg);
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.faq-icon {
    width: 24px;
    height: 24px;
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--space-6) var(--space-6);
    color: #374151;
    line-height: 1.8;
    margin: 0;
}

.faq-icon {
    color: #000000;
}

/* ===== CONTACT SECTION - Hi-Commerce Black ===== */
.section-contact {
    background: var(--color-bg-dark);
    position: relative;
}

.contact-box {
    max-width: 700px;
    margin: 0 auto;
    background: rgba(50, 55, 60, 0.5);
    border: 2px solid rgba(6, 147, 227, 0.3);
    border-radius: var(--border-radius-lg);
    padding: var(--space-16);
    box-shadow: var(--shadow-lg);
}

.contact-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.contact-trust {
    display: flex;
    justify-content: center;
    gap: var(--space-6);
    margin-top: var(--space-6);
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

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

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

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-4);
    background: rgba(50, 55, 60, 0.6);
    border: 1px solid rgba(6, 147, 227, 0.3);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-primary);
    font-size: var(--text-base);
    font-family: inherit;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(6, 147, 227, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-submit {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
}

.form-disclaimer {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-align: center;
    margin: 0;
}

.form-message {
    padding: var(--space-6);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.form-message svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.form-message.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--color-success);
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--color-danger);
}

.form-message p {
    margin: 0;
}

.form-message a {
    color: inherit;
    text-decoration: underline;
}

/* ===== FOOTER - Hi-Commerce ===== */
.footer {
    background: var(--color-bg-dark);
    padding: var(--space-16) 0 var(--space-8);
    border-top: 1px solid rgba(6, 147, 227, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: var(--space-12);
    align-items: center;
    margin-bottom: var(--space-8);
}

.footer-logo {
    font-size: var(--text-2xl);
    font-weight: 700;
    font-family: var(--font-display);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-2);
}

/* Footer logo as image */
.footer-logo-image {
    height: 40px;
    width: auto;
    margin-bottom: var(--space-2);
    transition: transform 0.3s ease;
}

.footer-logo-image:hover {
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .footer-logo-image {
        height: 32px;
    }
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    margin: 0;
}

.footer-links {
    display: flex;
    gap: var(--space-6);
}

.footer-links a {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    transition: color var(--transition-base);
}

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

.footer-social {
    display: flex;
    gap: var(--space-4);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(6, 147, 227, 0.1);
    border: 1px solid rgba(6, 147, 227, 0.3);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(6, 147, 227, 0.1);
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: var(--space-6);
}

.footer-legal a {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    transition: color var(--transition-base);
}

.footer-legal a:hover {
    color: var(--color-text-primary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .hero-title {
        font-size: var(--text-4xl);
    }

    .hero-visual {
        order: -1;
    }

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

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

    .about-image {
        max-width: 250px;
        margin: 0 auto;
    }

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

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

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: var(--space-4);
        --text-6xl: 2.5rem;
        --text-5xl: 2rem;
        --text-4xl: 1.75rem;
        --text-3xl: 1.5rem;
    }

    .section {
        padding: var(--space-16) 0;
    }

    .hero {
        min-height: auto;
    }

    .hero-trust {
        flex-direction: column;
        gap: var(--space-3);
    }

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

    .guarantee-timeline {
        flex-direction: column;
    }

    .timeline-arrow {
        transform: rotate(90deg);
    }

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

    .step-number {
        margin: 0 auto;
    }

    .process-step::after {
        display: none;
    }

    .chart-graph {
        flex-direction: column;
        align-items: stretch;
    }

    .chart-before,
    .chart-after {
        height: auto !important;
        min-height: 120px;
    }

    .chart-arrow {
        transform: rotate(90deg);
        margin: var(--space-4) 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--text-3xl);
    }

    .btn-large {
        padding: var(--space-3) var(--space-6);
        font-size: var(--text-base);
    }

    .guarantee-box,
    .contact-box {
        padding: var(--space-8);
    }
}

/* ===== CORRECTIONS TEXTES SUR SECTIONS BLANCHES ===== */

/* Problem Section - Textes visibles sur fond blanc */
.section-problem .section-title,
.section-problem .section-subtitle {
    color: #000000;
}

.problem-card h3 {
    color: #000000;
}

.problem-card p {
    color: #374151 !important;
}

/* Guarantee Section - Textes visibles sur fond blanc */
.section-guarantee .section-title,
.section-guarantee .section-subtitle {
    color: #000000;
}

.guarantee-title {
    color: #000000;
}

.guarantee-subtitle {
    color: #000000;
}

.guarantee-subtitle strong {
    color: #000000;
}

.timeline-label {
    color: #000000;
}

.timeline-desc {
    color: #4b5563;
}

.formula-explanation {
    color: #374151;
}

.guarantee-conditions summary {
    color: #000000;
    font-weight: 600;
}

.guarantee-conditions li {
    color: #374151;
}

.guarantee-conditions details {
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

/* Process Section - Textes visibles sur fond blanc */
.section-process .section-title,
.section-process .section-subtitle {
    color: #000000;
}

.step-content h3 {
    color: #000000;
}

.step-content > p {
    color: #374151;
}

.step-deliverables strong {
    color: #000000;
}

.step-deliverables li {
    color: #374151;
}

/* ===== HEADER WITH LOGO ===== */
.site-header {
    background: #ffffff;
    padding: var(--space-4) 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.header-logo-wrapper {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.header-logo {
    height: 50px;
    width: auto;
    transition: transform 0.3s ease;
}

.header-logo:hover {
    transform: scale(1.05);
}

.header-lang {
    margin-left: auto;
}

.lang-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    background: #f9fafb;
    color: #374151;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.lang-link:hover {
    background: #f3f4f6;
    border-color: #3b82f6;
    color: #3b82f6;
}

.lang-link .flag {
    font-size: 18px;
    line-height: 1;
}

@media (max-width: 768px) {
    .header-logo {
        height: 40px;
    }

    .site-header {
        padding: var(--space-3) 0;
    }

    .header-logo-wrapper {
        position: static;
        transform: none;
    }

    .header-content {
        justify-content: space-between;
    }

    .lang-link .lang-text {
        display: none;
    }
}
