/* ============================================= */
/* OPTZIO.ORG — MAIN DESIGN SYSTEM              */
/* The Optimization Operating System             */
/* ============================================= */

/* ─────────── Google Fonts ─────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;700&display=swap');

/* ─────────── CSS Custom Properties ─────────── */
:root {
    /* Backgrounds — deeper, richer darks */
    --bg-pure: #000000;
    --bg-deep: #050510;
    --bg-card: #0a0e1a;
    --bg-surface: #111827;
    --bg-elevated: #1a1f35;
    --bg-hover: #1f2545;

    /* Primary Colors — vivid neon palette */
    --green: #00ffaa;
    --green-dim: #00d98f;
    --green-glow: rgba(0, 255, 170, 0.18);
    --cyan: #00e5ff;
    --cyan-dim: #00b8d4;
    --cyan-glow: rgba(0, 229, 255, 0.18);

    /* Accent Colors — modern vibrant spectrum */
    --pink: #ff3d8f;
    --pink-dim: #e0357d;
    --pink-glow: rgba(255, 61, 143, 0.18);
    --purple: #b45eff;
    --purple-dim: #9645e0;
    --purple-glow: rgba(180, 94, 255, 0.18);
    --orange: #ff7849;
    --orange-dim: #e06a3f;
    --orange-glow: rgba(255, 120, 73, 0.18);
    --gold: #ffe047;
    --gold-dim: #d4ba3a;
    --gold-glow: rgba(255, 224, 71, 0.18);
    --blue: #4f8fff;
    --blue-dim: #3d71db;
    --indigo: #6366f1;
    --teal: #2dd4bf;

    /* Text — warmer, more readable */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-subtle: #475569;

    /* Glass — enhanced glassmorphism */
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-bright: rgba(255, 255, 255, 0.14);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-bg-hover: rgba(255, 255, 255, 0.07);
    --glass-blur: blur(20px);

    /* Gradients — modern multi-stop */
    --grad-green: linear-gradient(135deg, #00ffaa, #00e5ff);
    --grad-pink: linear-gradient(135deg, #ff3d8f, #b45eff);
    --grad-orange: linear-gradient(135deg, #ff7849, #ffe047);
    --grad-purple: linear-gradient(135deg, #b45eff, #4f8fff);
    --grad-gold: linear-gradient(135deg, #ffe047, #ff7849);
    --grad-cyan: linear-gradient(135deg, #00e5ff, #4f8fff);
    --grad-full: linear-gradient(135deg, #00ffaa, #00e5ff, #b45eff, #ff3d8f);
    --grad-aurora: linear-gradient(135deg, #00ffaa, #2dd4bf, #6366f1, #b45eff);
    --grad-neural: linear-gradient(135deg, #050510 0%, #0a0e1a 25%, #111827 50%, #0a0e1a 75%, #050510 100%);

    /* Shadows — richer, more colorful */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.6);
    --shadow-glow-green: 0 0 30px rgba(0, 255, 170, 0.25);
    --shadow-glow-pink: 0 0 30px rgba(255, 61, 143, 0.25);
    --shadow-glow-purple: 0 0 30px rgba(180, 94, 255, 0.25);
    --shadow-glow-cyan: 0 0 30px rgba(0, 229, 255, 0.25);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

    /* Font Sizes */
    --text-xs: clamp(0.7rem, 1vw, 0.75rem);
    --text-sm: clamp(0.8rem, 1.2vw, 0.875rem);
    --text-base: clamp(0.9rem, 1.4vw, 1rem);
    --text-lg: clamp(1rem, 1.6vw, 1.125rem);
    --text-xl: clamp(1.1rem, 1.8vw, 1.25rem);
    --text-2xl: clamp(1.3rem, 2.2vw, 1.5rem);
    --text-3xl: clamp(1.6rem, 2.8vw, 1.875rem);
    --text-4xl: clamp(2rem, 3.5vw, 2.5rem);
    --text-5xl: clamp(2.5rem, 4.5vw, 3.5rem);
    --text-hero: clamp(3rem, 6vw, 5rem);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--text-secondary);
    background-color: var(--bg-pure);
    background-image: var(--grad-neural);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
}

/* Neural Synthesis Background — always-on ambient effect */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 10% 20%, rgba(0, 255, 170, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 60% 80% at 85% 75%, rgba(180, 94, 255, 0.05) 0%, transparent 60%),
        radial-gradient(ellipse 70% 50% at 50% 50%, rgba(0, 229, 255, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse 40% 40% at 75% 15%, rgba(255, 61, 143, 0.04) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
    animation: neural-ambient 12s ease-in-out infinite alternate;
}

@keyframes neural-ambient {
    0% {
        opacity: 0.6;
        filter: hue-rotate(0deg);
    }
    50% {
        opacity: 1;
        filter: hue-rotate(15deg);
    }
    100% {
        opacity: 0.7;
        filter: hue-rotate(-10deg);
    }
}

/* Neural grid overlay */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 255, 170, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 170, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 70%);
}

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

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

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

ul, ol {
    list-style: none;
}

/* ─────────── ACCESSIBILITY ─────────── */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--green);
    color: var(--bg-pure);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    z-index: 10000;
    font-weight: 600;
    transition: top var(--transition-fast);
}
.skip-link:focus {
    top: var(--space-md);
}

body.keyboard-nav *:focus {
    outline: 2px solid var(--green);
    outline-offset: 2px;
}

/* ─────────── LAYOUT ─────────── */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section-padding {
    padding: var(--space-4xl) 0;
    position: relative;
    z-index: 1;
}

/* ─────────── LOADER ─────────── */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-pure);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

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

.loader-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-bottom: var(--space-xl);
}

.loader-text {
    font-family: var(--font-primary);
    font-size: var(--text-4xl);
    font-weight: 900;
    color: var(--text-primary);
    letter-spacing: 4px;
}

.loader-dot {
    width: 10px;
    height: 10px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse-glow 1s ease infinite;
    margin-top: 8px;
}

.loader-bar {
    width: 200px;
    height: 3px;
    background: var(--bg-surface);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 0 auto var(--space-md);
}

.loader-bar-fill {
    width: 0%;
    height: 100%;
    background: var(--grad-green);
    border-radius: var(--radius-full);
    animation: loader-fill 1.5s ease forwards;
}

@keyframes loader-fill {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

.loader-status {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--text-muted);
}

/* ─────────── SCROLL PROGRESS ─────────── */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--grad-green);
    z-index: 10001;
    width: 0%;
    transition: width 0.1s linear;
}

/* ─────────── COOKIE BANNER ─────────── */
.cookie-banner {
    position: fixed;
    bottom: -100%;
    left: 0;
    width: 100%;
    background: var(--bg-card);
    border-top: 1px solid var(--glass-border);
    padding: var(--space-lg);
    z-index: 9999;
    transition: bottom var(--transition-slow);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.cookie-banner.visible {
    bottom: 0;
}

.cookie-banner.hiding {
    bottom: -100%;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.cookie-content p {
    font-size: var(--text-sm);
    color: var(--text-muted);
    flex: 1;
}

.cookie-content a {
    color: var(--green);
    text-decoration: underline;
}

.cookie-actions {
    display: flex;
    gap: var(--space-sm);
}

/* ─────────── NAVIGATION ─────────── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9998;
    padding: var(--space-md) 0;
    transition: all var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(5, 5, 16, 0.88);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid rgba(0, 255, 170, 0.06);
    padding: var(--space-sm) 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: baseline;
    text-decoration: none;
    gap: 0;
}

.logo-text {
    font-family: var(--font-primary);
    font-size: var(--text-2xl);
    font-weight: 900;
    color: var(--text-primary);
    letter-spacing: 3px;
}

.logo-dot {
    font-size: var(--text-3xl);
    font-weight: 900;
    color: var(--green);
    line-height: 1;
}

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

.nav-link {
    color: var(--text-muted);
    font-size: var(--text-sm);
    font-weight: 500;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
    white-space: nowrap;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--green);
    border-radius: var(--radius-full);
}

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

/* Language Selector */
.lang-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    padding: 6px 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--text-sm);
    font-family: var(--font-primary);
    transition: all var(--transition-fast);
}

.lang-btn:hover {
    border-color: var(--green);
    color: var(--text-primary);
}

.lang-icon { font-size: 1rem; }
.lang-arrow { font-size: 0.7rem; transition: transform var(--transition-fast); }
.lang-btn[aria-expanded="true"] .lang-arrow { transform: rotate(180deg); }

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    min-width: 160px;
    box-shadow: var(--shadow-lg);
}

.lang-dropdown.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: block;
    width: 100%;
    padding: 10px 16px;
    text-align: left;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-family: var(--font-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-option:hover {
    background: var(--glass-bg-hover);
    color: var(--text-primary);
}

.lang-option.active {
    color: var(--green);
    background: var(--green-glow);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 100;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
    transform-origin: center;
}

.hamburger.active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
}
.hamburger.active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.btn-nav {
    font-size: var(--text-sm) !important;
    padding: 8px 20px !important;
}

/* ─────────── BUTTONS ─────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: var(--text-base);
    padding: 12px 28px;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--green);
    color: var(--bg-pure);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.2);
}

.btn-primary:hover {
    background: var(--green-dim);
    color: var(--bg-pure);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: var(--glass-bg-hover);
    border-color: var(--text-muted);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.btn-accent {
    background: var(--grad-gold);
    color: var(--bg-pure);
    font-weight: 700;
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
}

.btn-lg {
    padding: 16px 36px;
    font-size: var(--text-lg);
}

.btn-sm {
    padding: 8px 18px;
    font-size: var(--text-sm);
}

.btn-block { width: 100%; }
.btn-arrow { transition: transform var(--transition-fast); }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* Submit Button States */
.btn-submit {
    min-width: 200px;
    position: relative;
}
.btn-submit .btn-loader,
.btn-submit .btn-success { display: none; }
.btn-submit.loading .btn-text { display: none; }
.btn-submit.loading .btn-loader {
    display: block;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: var(--bg-pure);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
.btn-submit.success { background: var(--green); }
.btn-submit.success .btn-text { display: none; }
.btn-submit.success .btn-success { display: block; }

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

/* ─────────── HERO SECTION ─────────── */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding-top: 100px;
    padding-bottom: 0;
    overflow: hidden;
    background: var(--bg-pure);
}

.particle-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at 50% 50%, transparent 0%, var(--bg-pure) 70%);
    z-index: 2;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--space-2xl) 0;
}

.hero-badge {
    margin-bottom: var(--space-xl);
}

.hero-greeting {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--green);
    margin-bottom: var(--space-md);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-title {
    font-size: var(--text-hero);
    font-weight: 900;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: var(--space-xl);
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.6;
}

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

/* Terminal in Hero */
.hero-terminal {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

/* ─────────── TERMINAL UI ─────────── */
.terminal {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.terminal-sm {
    margin-top: var(--space-xl);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--glass-border);
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green { background: #28c840; }

.terminal-title {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--text-subtle);
    margin-left: auto;
}

.terminal-body {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--green);
    line-height: 1.8;
    min-height: 120px;
}

.terminal-line {
    margin-bottom: 4px;
}

.terminal-prompt {
    color: var(--cyan);
    margin-right: 8px;
}

.terminal-success {
    color: var(--green);
}

.terminal-cursor {
    animation: blink-cursor 0.8s step-end infinite;
    color: var(--green);
}

@keyframes blink-cursor {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* ─────────── STATS BAR ─────────── */
.stats-bar {
    width: 100%;
    background: var(--bg-card);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    position: relative;
    z-index: 3;
}

.stats-container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl) 0;
    gap: var(--space-2xl);
}

.stat-item {
    text-align: center;
    flex: 1;
}

.stat-number {
    display: block;
    font-size: var(--text-4xl);
    font-weight: 900;
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

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

/* ─────────── SECTION HEADERS ─────────── */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--green);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 600;
    background: var(--green-glow);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(0, 255, 136, 0.2);
    margin-bottom: var(--space-md);
}

.label-icon { font-size: 1rem; }

.section-title {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.section-description {
    font-size: var(--text-lg);
    color: var(--text-muted);
    line-height: 1.7;
}

/* ─────────── TEXT UTILITIES ─────────── */
.text-gradient {
    background: var(--grad-green);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

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

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

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

/* ─────────── HOW IT WORKS ─────────── */
.how-it-works {
    background: var(--bg-deep);
}

.steps-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    position: relative;
}

.step-item {
    text-align: center;
    padding: var(--space-xl);
    position: relative;
    border-radius: var(--radius-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-base);
}

.step-item:hover {
    border-color: var(--green);
    background: var(--green-glow);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow-green);
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--grad-green);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    position: relative;
}

.step-number span {
    font-size: var(--text-xl);
    font-weight: 900;
    color: var(--bg-pure);
}

.step-connector {
    display: none; /* visible on desktop via absolute positioning alternative */
}

.step-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.step-description {
    font-size: var(--text-sm);
    color: var(--text-muted);
    line-height: 1.6;
}

/* ─────────── WHY OPTZIO ─────────── */
.why-optzio {
    background: var(--bg-pure);
}

.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.why-subtitle {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.icon-x { color: var(--pink); font-size: 1.2rem; }
.icon-check { color: var(--green); font-size: 1.2rem; }

.problem-list li,
.solution-list li {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.problem-list li:hover { background: rgba(255, 45, 124, 0.05); }
.solution-list li:hover { background: rgba(0, 255, 136, 0.05); }

.problem-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }
.solution-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }

.problem-list strong,
.solution-list strong {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 4px;
}

.problem-list p,
.solution-list p {
    font-size: var(--text-sm);
    color: var(--text-muted);
    line-height: 1.5;
}

/* ─────────── SERVICES GRID ─────────── */
.services {
    background: var(--bg-deep);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    position: relative;
    transition: all var(--transition-base);
    overflow: hidden;
    cursor: pointer;
}

.service-card-border {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transition: height var(--transition-base);
}

.service-card[data-color="green"] .service-card-border { background: var(--grad-green); }
.service-card[data-color="cyan"] .service-card-border { background: var(--grad-cyan); }
.service-card[data-color="orange"] .service-card-border { background: var(--grad-orange); }
.service-card[data-color="pink"] .service-card-border { background: var(--grad-pink); }
.service-card[data-color="purple"] .service-card-border { background: var(--grad-purple); }
.service-card[data-color="gold"] .service-card-border { background: var(--grad-gold); }

.service-card:hover {
    transform: translateY(-6px) perspective(1000px);
    border-color: transparent;
    box-shadow: var(--shadow-lg);
}

.service-card:hover .service-card-border {
    height: 4px;
}

.service-card[data-color="green"]:hover { box-shadow: 0 8px 30px rgba(0, 255, 136, 0.15); border-color: rgba(0, 255, 136, 0.3); }
.service-card[data-color="cyan"]:hover { box-shadow: 0 8px 30px rgba(0, 210, 255, 0.15); border-color: rgba(0, 210, 255, 0.3); }
.service-card[data-color="orange"]:hover { box-shadow: 0 8px 30px rgba(255, 107, 53, 0.15); border-color: rgba(255, 107, 53, 0.3); }
.service-card[data-color="pink"]:hover { box-shadow: 0 8px 30px rgba(255, 45, 124, 0.15); border-color: rgba(255, 45, 124, 0.3); }
.service-card[data-color="purple"]:hover { box-shadow: 0 8px 30px rgba(168, 85, 247, 0.15); border-color: rgba(168, 85, 247, 0.3); }
.service-card[data-color="gold"]:hover { box-shadow: 0 8px 30px rgba(255, 215, 0, 0.15); border-color: rgba(255, 215, 0, 0.3); }

.service-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    transition: transform var(--transition-bounce);
}

.service-card:hover .service-icon {
    transform: scale(1.2);
}

.service-title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.service-desc {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-md);
    line-height: 1.5;
}

.service-tags {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
    margin-bottom: var(--space-md);
}

.service-link {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-muted);
    transition: color var(--transition-fast);
    font-family: var(--font-mono);
}

.service-card:hover .service-link { color: var(--green); }

/* ─────────── BADGES ─────────── */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-green { background: var(--green-glow); color: var(--green); border: 1px solid rgba(0, 255, 136, 0.2); }
.badge-cyan { background: var(--cyan-glow); color: var(--cyan); border: 1px solid rgba(0, 210, 255, 0.2); }
.badge-pink { background: var(--pink-glow); color: var(--pink); border: 1px solid rgba(255, 45, 124, 0.2); }
.badge-purple { background: var(--purple-glow); color: var(--purple); border: 1px solid rgba(168, 85, 247, 0.2); }
.badge-orange { background: var(--orange-glow); color: var(--orange); border: 1px solid rgba(255, 107, 53, 0.2); }
.badge-gold { background: var(--gold-glow); color: var(--gold); border: 1px solid rgba(255, 215, 0, 0.2); }

/* ─────────── TOPIC CLUSTERS ─────────── */
.topics {
    background: var(--bg-pure);
}

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

.topic-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.topic-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.topic-category {
    margin-bottom: var(--space-md);
}

.topic-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.topic-points {
    margin-bottom: var(--space-md);
}

.topic-points li {
    font-size: var(--text-sm);
    color: var(--text-muted);
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
    line-height: 1.5;
}

.topic-points li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--green);
    font-weight: bold;
}

.topic-stat {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--text-subtle);
}

/* ─────────── COURSES ─────────── */
.courses-section {
    background: var(--bg-deep);
}

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

.course-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.course-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 255, 255, 0.15);
}

.course-image {
    height: 180px;
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    padding: var(--space-md);
}

.course-badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
}

.course-overlay {
    position: relative;
    z-index: 2;
}

.course-modules {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.5);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
}

.course-content {
    padding: var(--space-xl);
}

.course-content .badge {
    margin-bottom: var(--space-md);
}

.course-title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

.course-desc {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-md);
    line-height: 1.5;
}

.course-meta {
    display: flex;
    gap: var(--space-lg);
    font-size: var(--text-xs);
    color: var(--text-subtle);
    margin-bottom: var(--space-md);
}

.course-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-md);
    border-top: 1px solid var(--glass-border);
}

.course-price {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--green);
}

/* ─────────── REVENUE MODELS ─────────── */
.revenue-models {
    background: var(--bg-pure);
    overflow: hidden;
}

.revenue-categories {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.revenue-cat {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.revenue-cat:hover {
    border-color: rgba(255, 215, 0, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(255, 215, 0, 0.1);
}

.revenue-cat.highlight-card {
    border-color: rgba(255, 215, 0, 0.3);
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.05), rgba(255, 107, 53, 0.05));
}

.revenue-cat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto var(--space-md);
}

.revenue-cat h3 {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.revenue-cat p {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

.revenue-range {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--gold);
    font-weight: 600;
}

.revenue-cta {
    text-align: center;
}

/* ─────────── FOUNDER ─────────── */
.founder-section {
    background: var(--bg-deep);
}

.founder-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.founder-image-col {
    text-align: center;
    position: sticky;
    top: 100px;
}

.founder-image-wrapper {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto var(--space-xl);
}

.founder-glow {
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    background: var(--grad-green);
    opacity: 0.3;
    filter: blur(20px);
    animation: pulse-glow 3s ease-in-out infinite;
}

.founder-image-placeholder {
    position: relative;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: var(--bg-surface);
    border: 3px solid var(--green);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.founder-initials {
    font-size: var(--text-4xl);
    font-weight: 900;
    color: var(--green);
}

.founder-name-card h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.founder-name-card p {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

.founder-social {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
}

.founder-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: var(--text-sm);
    font-weight: 700;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.founder-social a:hover {
    border-color: var(--green);
    color: var(--green);
    background: var(--green-glow);
}

.founder-quote {
    font-size: var(--text-lg);
    font-style: italic;
    color: var(--text-secondary);
    line-height: 1.7;
    padding: var(--space-xl);
    background: var(--glass-bg);
    border-left: 3px solid var(--green);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin-bottom: var(--space-2xl);
}

.founder-quote strong {
    color: var(--green);
}

/* Timeline */
.founder-timeline {
    margin-bottom: var(--space-2xl);
}

.timeline-item {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-md) 0;
    border-left: 2px solid var(--glass-border);
    padding-left: var(--space-xl);
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 18px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--bg-surface);
    border: 2px solid var(--text-muted);
}

.timeline-item.active::before {
    background: var(--green);
    border-color: var(--green);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.timeline-item.active {
    border-left-color: var(--green);
}

.timeline-year {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--green);
    font-weight: 600;
    white-space: nowrap;
    min-width: 80px;
}

.timeline-content h4 {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.timeline-content p {
    font-size: var(--text-sm);
    color: var(--text-muted);
    line-height: 1.5;
}

/* Certifications */
.founder-certs {
    margin-bottom: var(--space-2xl);
}

.founder-certs h4,
.founder-endorsements h4 {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.cert-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.cert-badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.cert-badge:hover {
    border-color: var(--green);
    color: var(--green);
    background: var(--green-glow);
}

/* Endorsements */
.endorsement-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.endorsement-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
}

.endorsement-badge {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.endorsement-item strong {
    display: block;
    color: var(--text-primary);
    font-size: var(--text-sm);
    margin-bottom: 4px;
}

.endorsement-item p {
    font-size: var(--text-sm);
    color: var(--text-muted);
    font-style: italic;
}

/* ─────────── PRICING ─────────── */
.pricing-section {
    background: var(--bg-pure);
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.toggle-label {
    font-size: var(--text-sm);
    color: var(--text-muted);
    font-weight: 500;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
    cursor: pointer;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--bg-surface);
    border-radius: var(--radius-full);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-base);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    left: 3px;
    top: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--text-primary);
    transition: all var(--transition-base);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--green-glow);
    border-color: var(--green);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(24px);
    background: var(--green);
}

.save-badge {
    display: inline-block;
    padding: 2px 8px;
    background: var(--green-glow);
    color: var(--green);
    font-size: var(--text-xs);
    border-radius: var(--radius-full);
    font-weight: 700;
    margin-left: 4px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    align-items: start;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.pricing-card.popular {
    border-color: var(--green);
    box-shadow: 0 0 40px rgba(0, 255, 136, 0.15);
    transform: scale(1.05);
    z-index: 2;
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-4px);
}

.popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--green);
    color: var(--bg-pure);
    padding: 6px 20px;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
    white-space: nowrap;
}

.pricing-header {
    margin-bottom: var(--space-lg);
}

.pricing-name {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.pricing-desc {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.pricing-price {
    margin-bottom: var(--space-xl);
}

.price-amount {
    font-size: var(--text-5xl);
    font-weight: 900;
    color: var(--text-primary);
    transition: opacity var(--transition-fast);
}

.price-period {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.pricing-features {
    margin-bottom: var(--space-xl);
}

.pricing-features li {
    padding: 8px 0;
    font-size: var(--text-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.pricing-features li.included {
    color: var(--text-secondary);
}

.pricing-features li.excluded {
    color: var(--text-subtle);
}

/* ─────────── BLOG PREVIEW ─────────── */
.blog-preview {
    background: var(--bg-deep);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(255, 255, 255, 0.15);
}

.blog-image {
    height: 160px;
    position: relative;
    padding: var(--space-md);
    display: flex;
    align-items: flex-start;
}

.blog-category {
    position: relative;
    z-index: 2;
}

.blog-content {
    padding: var(--space-xl);
}

.blog-title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

.blog-excerpt {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-md);
    line-height: 1.5;
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    font-size: var(--text-xs);
    color: var(--text-subtle);
}

.blog-cta {
    text-align: center;
}

/* ─────────── CTA / LEAD CAPTURE ─────────── */
.cta-section {
    background: var(--bg-card);
    position: relative;
    overflow: hidden;
}

.cta-bg-effects {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.cta-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
}

.cta-glow-1 {
    width: 400px;
    height: 400px;
    background: var(--green);
    top: -100px;
    left: -100px;
}

.cta-glow-2 {
    width: 400px;
    height: 400px;
    background: var(--purple);
    bottom: -100px;
    right: -100px;
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.cta-description {
    font-size: var(--text-lg);
    color: var(--text-muted);
    margin-bottom: var(--space-2xl);
}

.lead-form {
    width: 100%;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.form-input {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input::placeholder {
    color: var(--text-subtle);
}

.form-input:focus {
    border-color: var(--green);
    box-shadow: 0 0 0 3px var(--green-glow);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238b949e' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

.form-select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

.form-input.error {
    border-color: var(--pink);
    box-shadow: 0 0 0 3px var(--pink-glow);
}

.btn-submit {
    margin: 0 auto;
    display: flex;
}

.form-note {
    font-size: var(--text-xs);
    color: var(--text-subtle);
    margin-top: var(--space-md);
}

/* ─────────── FOOTER ─────────── */
.footer {
    background: var(--bg-deep);
    border-top: 1px solid var(--glass-border);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

.footer-logo {
    margin-bottom: var(--space-md);
    display: inline-flex;
}

.footer-desc {
    font-size: var(--text-sm);
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

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

.social-link {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: var(--text-sm);
    font-weight: 700;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.social-link:hover {
    border-color: var(--green);
    color: var(--green);
    background: var(--green-glow);
}

.footer-heading {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

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

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

.footer-contact li {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

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

.footer-copyright {
    font-size: var(--text-xs);
    color: var(--text-subtle);
}

.footer-policies {
    display: flex;
    gap: var(--space-lg);
}

.footer-policies a {
    font-size: var(--text-xs);
    color: var(--text-subtle);
    transition: color var(--transition-fast);
}

.footer-policies a:hover {
    color: var(--green);
}

/* ─────────── BACK TO TOP ─────────── */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--green);
    color: var(--bg-pure);
    border: none;
    font-size: 1.2rem;
    font-weight: 900;
    cursor: pointer;
    z-index: 9990;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-glow-green);
}

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

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.5);
}

/* ─────────── SCROLL REVEAL ─────────── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ─────────── GLASSMORPHISM ─────────── */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
}

/* ─────────── GLOW UTILITY ─────────── */
.glow {
    box-shadow: var(--shadow-glow-green);
}

/* ─────────── RESPONSIVE ─────────── */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .revenue-categories {
        grid-template-columns: repeat(3, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .founder-grid {
        grid-template-columns: 1fr;
    }
    .founder-image-col {
        position: static;
    }
}

@media (max-width: 768px) {
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-card);
        flex-direction: column;
        padding: 80px var(--space-xl) var(--space-xl);
        transition: right var(--transition-base);
        border-left: 1px solid var(--glass-border);
        z-index: 99;
        align-items: flex-start;
    }
    .nav-menu.active {
        right: 0;
    }
    .hamburger {
        display: flex;
    }
    .btn-nav {
        display: none;
    }

    /* Grids */
    .steps-timeline {
        grid-template-columns: 1fr 1fr;
    }
    .why-grid {
        grid-template-columns: 1fr;
    }
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .topics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .courses-grid {
        grid-template-columns: 1fr;
    }
    .revenue-categories {
        grid-template-columns: repeat(2, 1fr);
    }
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    .pricing-card.popular {
        transform: none;
    }
    .pricing-card.popular:hover {
        transform: translateY(-4px);
    }
    .blog-grid {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    /* Stats */
    .stats-container {
        flex-wrap: wrap;
        gap: var(--space-lg);
    }
    .stat-divider {
        display: none;
    }
    .stat-item {
        flex: 0 0 45%;
    }

    /* Cookie */
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .steps-timeline {
        grid-template-columns: 1fr;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .topics-grid {
        grid-template-columns: 1fr;
    }
    .revenue-categories {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    .section-title {
        font-size: var(--text-3xl);
    }
}

/* ─────────── REDUCED MOTION ─────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    .reveal {
        opacity: 1;
        transform: none;
    }
    html {
        scroll-behavior: auto;
    }
}