/* ============================================================
   MOTION INCORPORATION — STYLES
   Notion-inspired black & white design system
   ============================================================ */

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

:root {
    /* Core palette — strictly black & white */
    --black: #000000;
    --gray-950: #0a0a0a;
    --gray-900: #111111;
    --gray-800: #1a1a1a;
    --gray-700: #2a2a2a;
    --gray-600: #3a3a3a;
    --gray-500: #555555;
    --gray-400: #777777;
    --gray-300: #999999;
    --gray-200: #c4c4c4;
    --gray-150: #d4d4d4;
    --gray-100: #e5e5e5;
    --gray-50: #f0f0f0;
    --gray-25: #f7f7f7;
    --white: #ffffff;

    /* Semantic tokens */
    --bg-primary: var(--white);
    --bg-secondary: var(--gray-25);
    --bg-tertiary: var(--gray-50);
    --bg-inverse: var(--gray-950);
    --bg-card: var(--white);
    --bg-card-hover: var(--gray-25);

    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-500);
    --text-tertiary: var(--gray-400);
    --text-inverse: var(--white);

    --border-default: var(--gray-100);
    --border-strong: var(--gray-200);
    --border-subtle: var(--gray-50);

    --accent: var(--black);
    --accent-hover: var(--gray-800);

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

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;

    --leading-tight: 1.15;
    --leading-snug: 1.3;
    --leading-normal: 1.6;
    --leading-relaxed: 1.75;

    --tracking-tight: -0.03em;
    --tracking-normal: -0.01em;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Borders */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.06), 0 4px 6px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.08), 0 10px 10px rgba(0,0,0,0.04);
}

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

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

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

ul, ol {
    list-style: none;
}

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

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    color: inherit;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}


/* ==================== UTILITIES ==================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

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

.text-highlight {
    position: relative;
    display: inline-block;
}

.text-highlight::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0;
    width: 100%;
    height: 6px;
    background: var(--gray-200);
    z-index: -1;
    border-radius: 2px;
}


/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-weight: 500;
    font-size: var(--text-sm);
    letter-spacing: var(--tracking-normal);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-5);
    transition: all var(--transition-base);
    white-space: nowrap;
    cursor: pointer;
    border: 1px solid transparent;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: var(--text-inverse);
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-strong);
}

.btn-ghost:hover {
    background: var(--bg-tertiary);
    border-color: var(--gray-300);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

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

.btn-full {
    width: 100%;
}


/* ==================== NAVIGATION ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    border-bottom-color: var(--border-default);
    box-shadow: var(--shadow-sm);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 700;
    font-size: var(--text-lg);
    letter-spacing: var(--tracking-tight);
    text-decoration: none;
}

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

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

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-link {
    font-size: var(--text-sm);
    font-weight: 400;
    color: var(--text-secondary);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 24px;
    padding: 2px 0;
}

.mobile-toggle span {
    display: block;
    width: 100%;
    height: 1.5px;
    background: var(--text-primary);
    transition: all var(--transition-base);
    border-radius: 1px;
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 5px);
}

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

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -5px);
}


/* ==================== HERO ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 var(--space-20);
    overflow: hidden;
}

.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 100%);
}

.hero .container {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-8);
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--gray-900);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero-title {
    font-size: var(--text-6xl);
    font-weight: 800;
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    color: var(--text-primary);
    margin-bottom: var(--space-6);
}

.hero-subtitle {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto var(--space-10);
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-16);
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-10);
    padding-top: var(--space-12);
    border-top: 1px solid var(--border-default);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: var(--tracking-tight);
}

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

.stat-label {
    display: block;
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin-top: var(--space-1);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-default);
}


/* ==================== LOGOS SECTION ==================== */
.logos-section {
    padding: var(--space-12) 0;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-secondary);
    overflow: hidden;
}

.logos-label {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
    margin-bottom: var(--space-6);
}

.logos-track {
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.logos-slide {
    display: flex;
    gap: var(--space-12);
    animation: scroll-logos 30s linear infinite;
    width: max-content;
}

.logo-item {
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--gray-400);
    white-space: nowrap;
    letter-spacing: var(--tracking-normal);
}

@keyframes scroll-logos {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}


/* ==================== SECTION HEADERS ==================== */
.section-header {
    text-align: center;
    max-width: var(--container-narrow);
    margin: 0 auto var(--space-16);
}

.section-tag {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.section-desc {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
}


/* ==================== ABOUT SECTION ==================== */
.about-section {
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-16);
}

.about-card {
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    transition: all var(--transition-base);
}

.about-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.about-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-5);
    color: var(--text-primary);
}

.about-card h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.about-card p {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
}

.about-numbers {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    padding: var(--space-10);
    background: var(--bg-inverse);
    border-radius: var(--radius-xl);
}

.about-number-item {
    text-align: center;
}

.about-num {
    display: block;
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--text-inverse);
    letter-spacing: var(--tracking-tight);
}

.about-num-label {
    display: block;
    font-size: var(--text-sm);
    color: var(--gray-400);
    margin-top: var(--space-1);
}


/* ==================== SERVICES SECTION ==================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    transition: all var(--transition-base);
    position: relative;
}

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

.service-number {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-300);
    margin-bottom: var(--space-5);
    font-variant-numeric: tabular-nums;
}

.service-title {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.service-desc {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
    margin-bottom: var(--space-5);
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.service-tags li {
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    border: 1px solid var(--border-default);
}


/* ==================== SOLUTIONS SECTION ==================== */
.solutions-section {
    background: var(--bg-secondary);
}

.solutions-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-12);
    flex-wrap: wrap;
}

.solution-tab {
    font-size: var(--text-sm);
    font-weight: 500;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border-default);
    transition: all var(--transition-base);
    cursor: pointer;
}

.solution-tab:hover {
    color: var(--text-primary);
    background: var(--bg-card);
    border-color: var(--border-strong);
}

.solution-tab.active {
    color: var(--text-inverse);
    background: var(--accent);
    border-color: var(--accent);
}

.solution-panel {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
}

.solution-panel.active {
    display: grid;
    animation: fadeIn 0.4s ease;
}

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

.solution-badge {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-tertiary);
    background: var(--bg-tertiary);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.solution-name {
    font-size: var(--text-3xl);
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    margin-bottom: var(--space-4);
}

.solution-desc {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

.solution-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
}

.solution-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: var(--leading-normal);
}

.solution-features li svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--text-primary);
}


/* ==================== MOCK UI ==================== */
.mock-ui {
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.mock-topbar {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-4);
    background: var(--gray-25);
    border-bottom: 1px solid var(--border-default);
}

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

.mock-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gray-200);
}

.mock-title {
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--text-tertiary);
}

.mock-body {
    display: flex;
    min-height: 300px;
}

.mock-sidebar {
    width: 160px;
    padding: var(--space-4);
    border-right: 1px solid var(--border-default);
    background: var(--gray-25);
    flex-shrink: 0;
}

.mock-menu-item {
    font-size: var(--text-xs);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--space-1);
    transition: all var(--transition-fast);
}

.mock-menu-item.active {
    color: var(--text-primary);
    font-weight: 500;
    background: var(--bg-card);
}

.mock-content {
    flex: 1;
    padding: var(--space-4);
}

.mock-stat-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.mock-stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    padding: var(--space-3);
    text-align: center;
}

.mock-stat-val {
    display: block;
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: var(--tracking-tight);
}

.mock-stat-lbl {
    display: block;
    font-size: 10px;
    color: var(--text-tertiary);
    margin-top: 2px;
}

.mock-chart {
    display: flex;
    align-items: flex-end;
    gap: var(--space-2);
    height: 120px;
    padding: var(--space-3);
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
}

.mock-chart-bar {
    flex: 1;
    background: var(--gray-900);
    border-radius: 3px 3px 0 0;
    transition: height var(--transition-slow);
    min-height: 8px;
}


/* ==================== PROCESS SECTION ==================== */
.process-timeline {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

.process-step {
    position: relative;
    padding-left: var(--space-12);
    padding-bottom: var(--space-12);
}

.process-step:last-child {
    padding-bottom: 0;
}

.process-connector {
    position: absolute;
    left: 11px;
    top: 24px;
    bottom: 0;
    width: 1px;
    background: var(--border-default);
}

.process-step:last-child .process-connector {
    display: none;
}

.process-dot {
    position: absolute;
    left: 0;
    top: 4px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 2px solid var(--border-strong);
    transition: all var(--transition-base);
}

.process-step:hover .process-dot {
    background: var(--accent);
    border-color: var(--accent);
}

.process-phase {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-tertiary);
    margin-bottom: var(--space-2);
}

.process-content h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.process-content p {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
    margin-bottom: var(--space-3);
}

.process-duration {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--text-tertiary);
    background: var(--bg-tertiary);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
}


/* ==================== TESTIMONIALS ==================== */
.testimonials-section {
    background: var(--bg-secondary);
}

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

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.testimonial-quote {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--text-primary);
    margin-bottom: var(--space-6);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.testimonial-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--bg-inverse);
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
    font-weight: 600;
    flex-shrink: 0;
}

.testimonial-name {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
}

.testimonial-role {
    display: block;
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}


/* ==================== CTA SECTION ==================== */
.cta-section {
    padding: var(--space-16) 0;
}

.cta-box {
    background: var(--bg-inverse);
    border-radius: var(--radius-xl);
    padding: var(--space-16) var(--space-12);
    text-align: center;
}

.cta-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--text-inverse);
    letter-spacing: var(--tracking-tight);
    margin-bottom: var(--space-4);
}

.cta-desc {
    font-size: var(--text-lg);
    color: var(--gray-400);
    max-width: 600px;
    margin: 0 auto var(--space-8);
    line-height: var(--leading-relaxed);
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
}

.cta-actions .btn-primary {
    background: var(--white);
    color: var(--black);
    border-color: var(--white);
}

.cta-actions .btn-primary:hover {
    background: var(--gray-100);
    border-color: var(--gray-100);
}

.cta-actions .btn-ghost {
    color: var(--gray-300);
    border-color: var(--gray-600);
}

.cta-actions .btn-ghost:hover {
    color: var(--white);
    background: var(--gray-800);
    border-color: var(--gray-500);
}


/* ==================== FAQ SECTION ==================== */
.faq-list {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-default);
}

.faq-item:first-child {
    border-top: 1px solid var(--border-default);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-5) 0;
    font-size: var(--text-base);
    font-weight: 500;
    text-align: left;
    color: var(--text-primary);
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

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

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

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

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: var(--space-5);
}

.faq-answer p {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
}


/* ==================== CONTACT SECTION ==================== */
.contact-section {
    background: var(--bg-secondary);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: flex-start;
}

.contact-info .section-tag {
    text-align: left;
}

.contact-info .section-title {
    text-align: left;
    font-size: var(--text-3xl);
}

.contact-desc {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
}

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

.contact-detail-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    color: var(--text-secondary);
}

.contact-detail-item svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-detail-label {
    display: block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-tertiary);
    margin-bottom: var(--space-1);
}

.contact-detail-value {
    font-size: var(--text-sm);
    color: var(--text-primary);
    line-height: var(--leading-normal);
}

a.contact-detail-value:hover {
    text-decoration: underline;
}

.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
}

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

.form-group label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--space-2);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0,0,0,0.06);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-300);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='7' viewBox='0 0 12 7' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-4) center;
    padding-right: var(--space-10);
}

.form-note {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    text-align: center;
    margin-top: var(--space-4);
}


/* ==================== FOOTER ==================== */
.footer {
    background: var(--bg-inverse);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-brand .logo {
    color: var(--text-inverse);
    margin-bottom: var(--space-4);
}

.footer-tagline {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: var(--gray-400);
    max-width: 300px;
    margin-bottom: var(--space-6);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--gray-400);
    border: 1px solid var(--gray-700);
    transition: all var(--transition-fast);
}

.social-link:hover {
    color: var(--white);
    border-color: var(--gray-500);
    background: var(--gray-800);
}

.footer-links-group h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-inverse);
    margin-bottom: var(--space-5);
}

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

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

.footer-links-group a:hover {
    color: var(--text-inverse);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-8);
    border-top: 1px solid var(--gray-800);
}

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

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

.footer-bottom-links a {
    font-size: var(--text-sm);
    color: var(--gray-500);
    transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: var(--gray-300);
}


/* ==================== BACK TO TOP ==================== */
.back-to-top {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    z-index: 100;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--accent);
    color: var(--text-inverse);
    border-color: var(--accent);
}


/* ==================== ANIMATIONS ==================== */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0);
}


/* ==================== FORM SUCCESS STATE ==================== */
.form-success {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-12) var(--space-8);
    animation: fadeIn 0.5s ease;
}

.form-success-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: 50%;
    margin-bottom: var(--space-6);
    color: var(--text-primary);
}

.form-success h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.form-success p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    max-width: 350px;
    line-height: var(--leading-relaxed);
}


/* ==================== RESPONSIVE ==================== */

/* Tablet */
@media (max-width: 1024px) {
    .hero-title {
        font-size: var(--text-5xl);
    }

    .section-title {
        font-size: var(--text-3xl);
    }

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

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

    .solution-panel,
    .solution-panel.active {
        grid-template-columns: 1fr;
    }

    .solution-visual {
        order: -1;
    }

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

    .contact-layout {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }

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

/* Mobile */
@media (max-width: 768px) {
    :root {
        --text-6xl: 2.5rem;
        --text-5xl: 2.25rem;
        --text-4xl: 1.875rem;
        --text-3xl: 1.5rem;
    }

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

    .nav-links {
        display: none;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-primary);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--space-4);
        z-index: 999;
    }

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

    .nav-link {
        font-size: var(--text-lg);
    }

    .nav-actions .btn {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .hero {
        min-height: auto;
        padding: 120px 0 var(--space-16);
    }

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

    .hero-subtitle {
        font-size: var(--text-base);
    }

    .hero-actions {
        flex-direction: column;
        margin-bottom: var(--space-12);
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: var(--space-6);
    }

    .stat-divider {
        display: none;
    }

    .stat {
        flex: 1 1 40%;
    }

    .about-numbers {
        grid-template-columns: repeat(2, 1fr);
        padding: var(--space-8);
    }

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

    .solutions-tabs {
        gap: var(--space-2);
    }

    .solution-tab {
        font-size: var(--text-xs);
        padding: var(--space-2) var(--space-4);
    }

    .mock-sidebar {
        display: none;
    }

    .cta-box {
        padding: var(--space-10) var(--space-6);
    }

    .cta-actions {
        flex-direction: column;
    }

    .contact-layout {
        gap: var(--space-10);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

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

    .footer-bottom-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-4);
    }

    .hero-title {
        font-size: var(--text-3xl);
    }

    .mock-stat-row {
        grid-template-columns: 1fr;
    }

    .about-numbers {
        grid-template-columns: 1fr;
    }
}