/* ===== CSS VARIABLES ===== */
:root {
    /* Colors */
    --color-bg: #050508;
    --color-bg-elevated: #09090e;
    --color-bg-card: #0d0d14;
    --color-bg-card-hover: #12121c;

    --color-primary: #6366f1;
    --color-primary-light: #818cf8;
    --color-primary-dark: #4f46e5;
    --color-primary-glow: rgba(99, 102, 241, 0.25);

    --color-accent: #22d3ee;
    --color-accent-2: #a855f7;

    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;

    --color-text: #f8fafc;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #475569;

    --color-border: rgba(148, 163, 184, 0.08);
    --color-border-hover: rgba(148, 163, 184, 0.15);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent-2) 100%);
    --gradient-text: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent) 50%, var(--color-accent-2) 100%);
    --gradient-glow: radial-gradient(ellipse at center, var(--color-primary-glow) 0%, transparent 70%);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4.5rem;
    --spacing-4xl: 7rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 40px var(--color-primary-glow);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
    --transition-base: 250ms cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 450ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--color-bg);
}

body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a:hover {
    color: var(--color-accent);
}

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

ul,
ol {
    list-style: none;
}

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

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

/* ===== UTILITIES ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.4);
    color: white;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.03);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--color-border-hover);
    color: var(--color-text);
    transform: translateY(-1px);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 1.0625rem;
    border-radius: var(--radius-xl);
}

.btn-full {
    width: 100%;
}

.btn svg {
    transition: transform var(--transition-fast);
}

.btn:hover svg {
    transform: translateX(3px);
}

/* ===== BADGES ===== */
.soon-badge {
    display: inline-block;
    padding: 0.125rem 0.375rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--color-primary-light);
    margin-left: 0.5rem;
}

.soon-badge-sm {
    display: inline-block;
    padding: 0.075rem 0.25rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-full);
    font-size: 0.575rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-left: 0.25rem;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-lg) 0;
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: background var(--transition-base), padding var(--transition-base), border-color var(--transition-base);
}

.navbar-sticky {
    background: rgba(5, 5, 8, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.1875rem;
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

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

.logo-icon {
    font-size: 1.375rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

.nav-links .nav-link {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-links .nav-link:hover {
    color: var(--color-text);
}

.nav-link-soon {
    display: inline-flex;
    align-items: center;
    opacity: 0.8;
}

/* Dropdown */
.has-dropdown {
    position: relative;
}

.nav-dropdown-trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color var(--transition-fast);
    padding: 0.25rem 0;
}

.nav-dropdown-trigger svg {
    transition: transform var(--transition-fast);
    opacity: 0.7;
}

.nav-dropdown-trigger:hover,
.has-dropdown:hover .nav-dropdown-trigger,
.has-dropdown.dropdown-open .nav-dropdown-trigger {
    color: var(--color-text);
}

.has-dropdown:hover .nav-dropdown-trigger svg,
.has-dropdown.dropdown-open .nav-dropdown-trigger svg {
    transform: rotate(180deg);
}

.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(12px);
    width: 340px;
    background: rgba(9, 9, 14, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base), transform var(--transition-base);
    z-index: 1001;
    margin-top: 0.75rem;
}

.has-dropdown:hover .nav-dropdown,
.has-dropdown.dropdown-open .nav-dropdown {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    transition: background var(--transition-fast), transform var(--transition-fast);
    color: var(--color-text-secondary) !important;
}

.nav-dropdown-item:hover {
    background: rgba(255, 255, 255, 0.03);
    color: var(--color-text) !important;
    transform: translateY(-1px);
}

.nav-dropdown-icon {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.08);
    border-radius: var(--radius-md);
    color: var(--color-primary-light);
    flex-shrink: 0;
    border: 1px solid rgba(99, 102, 241, 0.15);
}

.nav-dropdown-icon svg {
    width: 18px;
    height: 18px;
}

.nav-dropdown-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.15rem;
}

.nav-dropdown-desc {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 0.5rem;
    z-index: 1002;
}

.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
    transform: scale(0.5);
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 100vh;
    background: var(--color-bg);
    padding: var(--spacing-4xl) var(--spacing-xl) var(--spacing-2xl);
    flex-direction: column;
    gap: var(--spacing-lg);
    z-index: 999;
    border-bottom: none;
}

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

.mobile-menu a {
    color: var(--color-text-secondary);
    font-size: 1.25rem;
    font-weight: 600;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.btn-mobile-cta {
    margin-top: var(--spacing-xl);
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 95vh;
    display: flex;
    align-items: center;
    padding: calc(90px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    top: -30%;
    left: 50%;
    transform: translateX(-50%);
    width: 140%;
    height: 140%;
    background: radial-gradient(ellipse at center top, rgba(99, 102, 241, 0.12) 0%, transparent 60%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.02) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 860px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: 4.125rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    max-width: 660px;
    margin: 0 auto var(--spacing-2xl);
    line-height: 1.65;
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
}

/* Hero Code Card */
.hero-code-card {
    max-width: 520px;
    margin: 0 auto;
    background: rgba(13, 13, 20, 0.7);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 60px rgba(99, 102, 241, 0.05);
    text-align: left;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.code-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.6875rem 1.25rem;
    background: rgba(9, 9, 14, 0.7);
    border-bottom: 1px solid var(--color-border);
}

.code-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.code-dot-red { background: #ef4444; opacity: 0.8; }
.code-dot-amber { background: #f59e0b; opacity: 0.8; }
.code-dot-green { background: #10b981; opacity: 0.8; }

.code-filename {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    opacity: 0.8;
    margin-left: var(--spacing-xs);
}

.code-body {
    padding: 1.125rem 1.5rem;
}

.code-block {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    white-space: pre;
    overflow-x: auto;
}

.code-comment {
    color: var(--color-text-muted);
    font-style: italic;
}

.code-key { color: var(--color-primary-light); }
.code-string { color: var(--color-accent); }

/* ===== COMMON SECTIONS ===== */
.section {
    padding: var(--spacing-4xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: 2.375rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: var(--spacing-md) auto 0;
    line-height: 1.6;
}

/* ===== PLATFORM SECTION ===== */
.section-platform {
    background: var(--color-bg);
}

.platform-header-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: var(--spacing-3xl);
    align-items: center;
    margin-bottom: var(--spacing-3xl);
    text-align: left;
}

.platform-header-grid .section-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin: 0;
}

.platform-header-grid .section-subtitle {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    line-height: 1.65;
    margin: 0;
}

.flow-diagram {
    display: grid;
    grid-template-columns: 1.1fr auto 1.3fr auto 1.1fr;
    gap: var(--spacing-lg);
    align-items: center;
    background: rgba(13, 13, 20, 0.6);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-lg);
}

.flow-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.flow-label {
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
}

.flow-sources .flow-label {
    text-align: left;
}

.flow-agents .flow-label {
    text-align: right;
}

.flow-node {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.6875rem 1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.flow-node svg {
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
    flex-shrink: 0;
}

.flow-node:hover {
    border-color: rgba(99, 102, 241, 0.3);
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.04);
}

.flow-node:hover svg {
    color: var(--color-primary-light);
}

.flow-node-agent {
    border-style: dashed;
    border-color: rgba(99, 102, 241, 0.18);
    justify-content: flex-end;
}

.flow-node-agent:hover {
    border-color: var(--color-primary);
}

.flow-arrow-col {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
}

.flow-arrow svg {
    opacity: 0.4;
    transition: opacity var(--transition-base), color var(--transition-base);
}

.flow-diagram:hover .flow-arrow svg {
    opacity: 0.8;
    color: var(--color-primary-light);
}

.flow-center-col {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flow-center {
    background: rgba(5, 5, 8, 0.8);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.15);
    width: 100%;
    position: relative;
    overflow: hidden;
}

.flow-center::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.flow-center-icon {
    font-size: 1.75rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
    margin-bottom: var(--spacing-sm);
    line-height: 1;
}

.flow-center-title {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.flow-center-items {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.3125rem;
}

.flow-center-pill {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    color: var(--color-primary-light);
    font-weight: 500;
}

/* ===== CAPABILITIES SECTION ===== */
.section-capabilities {
    background: var(--color-bg-elevated);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.capability-card {
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.capability-card:hover {
    background: rgba(255, 255, 255, 0.03);
    border-color: var(--color-border-hover);
    transform: translateY(-3px);
}

.capability-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.08);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(99, 102, 241, 0.15);
}

.capability-icon svg {
    width: 22px;
    height: 22px;
    color: var(--color-primary-light);
}

.capability-card h3 {
    font-size: 1.0625rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.01em;
}

.capability-card p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ===== PROCESS SECTION ===== */
.section-process {
    background: var(--color-bg);
}

.process-steps {
    max-width: 720px;
    margin: var(--spacing-xl) auto 0;
}

.process-step {
    display: flex;
    gap: var(--spacing-xl);
}

.step-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
}

.step-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.02);
    border: 1.5px solid var(--color-primary);
    border-radius: 50%;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary-light);
    flex-shrink: 0;
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.1);
}

.step-line {
    width: 1.5px;
    flex: 1;
    background: linear-gradient(to bottom, var(--color-primary) 0%, rgba(99, 102, 241, 0.05) 100%);
    margin: var(--spacing-sm) 0;
    opacity: 0.5;
}

.step-content {
    padding-bottom: var(--spacing-2xl);
}

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

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

.step-content h3 {
    font-size: 1.1875rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.01em;
}

.step-content p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ===== AUDIENCE SECTION ===== */
.section-audience {
    background: var(--color-bg-elevated);
}

.audience-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--spacing-3xl);
    align-items: center;
    margin-top: var(--spacing-xl);
}

.audience-qualifiers {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.audience-qualifiers ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.audience-qualifiers li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.audience-qualifiers li svg {
    color: var(--color-success);
    flex-shrink: 0;
    margin-top: 0.1875rem;
}

.audience-qualifiers li strong {
    color: var(--color-text);
    font-weight: 600;
}

.audience-profiles {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.profile-card {
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.profile-card:hover {
    background: rgba(255, 255, 255, 0.03);
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
}

.profile-name {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.25rem;
}

.profile-desc {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
}

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

.contact-wrapper {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.contact-content .section-title {
    text-align: left;
    font-size: 2.625rem;
}

.contact-subtitle {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-top: var(--spacing-md);
}

.contact-form-card {
    background: rgba(13, 13, 20, 0.6);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.form-step {
    display: none;
}

.form-step.active {
    display: block;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.form-group label .optional {
    color: var(--color-text-muted);
    text-transform: none;
    font-weight: 400;
    letter-spacing: 0;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(5, 5, 8, 0.7);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-primary-light);
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

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

.form-group textarea {
    resize: vertical;
}

.form-disclaimer {
    margin-top: 0.75rem;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-align: center;
}

/* Success Step */
.form-step-success {
    text-align: center;
    padding: var(--spacing-md) 0;
}

.success-icon {
    width: 52px;
    height: 52px;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-success);
}

.success-icon svg {
    width: 24px;
    height: 24px;
}

.form-step-success h3 {
    font-size: 1.375rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.01em;
}

.form-step-success p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.success-next {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.success-next p {
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.success-next .btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

.success-contact {
    margin-top: var(--spacing-lg);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.success-contact a {
    color: var(--color-text-secondary);
    text-decoration: underline;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-4xl) 0 var(--spacing-2xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    max-width: 280px;
    line-height: 1.5;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

.footer-col h4 {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.footer-col a {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

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

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

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

/* ===== SPINNER ===== */
.spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .platform-header-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
        margin-bottom: var(--spacing-2xl);
    }

    .platform-header-grid .section-subtitle {
        max-width: 650px;
        margin: 0 auto;
    }

    .flow-diagram {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        padding: var(--spacing-xl);
    }

    .flow-arrow-col {
        transform: rotate(90deg);
        padding: var(--spacing-xs) 0;
    }

    .flow-column {
        align-items: center;
    }

    .flow-sources .flow-label,
    .flow-agents .flow-label {
        text-align: center;
    }

    .flow-node {
        text-align: center;
        max-width: 280px;
        width: 100%;
        justify-content: center;
    }

    .flow-node-agent {
        justify-content: center;
    }

    .audience-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .contact-content .section-title {
        text-align: center;
    }

    .contact-content {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-links,
    .navbar .btn-nav {
        display: none;
    }

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

    .hero-title {
        font-size: 2.875rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .section {
        padding: var(--spacing-3xl) 0;
    }

    .section-title {
        font-size: 1.875rem;
    }

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

    .footer-brand {
        grid-column: span 2;
        text-align: center;
        align-items: center;
    }

    .footer-col {
        align-items: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-title {
        font-size: 2.375rem;
    }

    .hero-ctas {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-lg {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: 1rem;
    }

    .code-block {
        font-size: 0.75rem;
    }

    .section-title {
        font-size: 1.625rem;
    }

    .audience-profiles {
        grid-template-columns: 1fr;
    }

    .contact-form-card {
        padding: var(--spacing-lg);
    }

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

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