/* ================================================================
   HEYOU — Design System & Global Styles
   "Hey you. Talk it out."
   ================================================================ */

/* ======================== CSS VARIABLES ======================== */
:root {
    /* Colors — Dark theme with warm accents */
    --bg-primary: #060913;
    --bg-secondary: #0B0F1E;
    --bg-tertiary: #111630;
    --bg-card: rgba(15, 20, 40, 0.6);
    --bg-card-hover: rgba(20, 27, 55, 0.8);
    --bg-glass: rgba(15, 20, 45, 0.45);
    --bg-glass-border: rgba(255, 255, 255, 0.06);

    /* Text */
    --text-primary: #F0F0F5;
    --text-secondary: #9CA3AF;
    --text-tertiary: #6B7280;
    --text-muted: #4B5563;

    /* Accent Gradient */
    --accent-coral: #FF6B6B;
    --accent-pink: #E855A0;
    --accent-purple: #8B5CF6;
    --accent-blue: #6366F1;
    --gradient-primary: linear-gradient(135deg, #FF6B6B 0%, #E855A0 40%, #8B5CF6 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(255, 107, 107, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);
    --gradient-glow: linear-gradient(135deg, rgba(255, 107, 107, 0.3) 0%, rgba(139, 92, 246, 0.3) 100%);

    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-light: rgba(255, 255, 255, 0.1);
    --border-accent: rgba(139, 92, 246, 0.3);

    /* 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;
    --space-5xl: 8rem;

    /* Typography */
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', monospace;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 48px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 60px rgba(139, 92, 246, 0.15);
    --shadow-glow-coral: 0 0 60px rgba(255, 107, 107, 0.15);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Layout */
    --max-width: 1200px;
    --nav-height: 72px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 16px;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

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

ul, ol {
    list-style: none;
}

/* ======================== UTILITY CLASSES ======================== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

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

.hide-mobile {
    display: inline;
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ======================== BUTTONS ======================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-family: var(--font-body);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition-base);
}

.btn:hover::before {
    opacity: 1;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.05rem;
}

.btn-full {
    width: 100%;
    padding: 14px 24px;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 24px rgba(255, 107, 107, 0.25), 0 0 0 0 rgba(139, 92, 246, 0);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(255, 107, 107, 0.35), 0 0 40px rgba(139, 92, 246, 0.15);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
    backdrop-filter: blur(10px);
}

.btn-ghost:hover {
    color: var(--text-primary);
    border-color: var(--border-accent);
    background: rgba(139, 92, 246, 0.05);
}

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

.btn-outline:hover {
    border-color: var(--accent-purple);
    background: rgba(139, 92, 246, 0.08);
    transform: translateY(-2px);
}

/* ======================== NAVIGATION ======================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    transition: var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(6, 9, 19, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    z-index: 10;
}

.logo-icon {
    display: flex;
    align-items: center;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.35rem;
    letter-spacing: -0.02em;
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: var(--transition-base);
}

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

.nav-link:hover::after {
    width: 100%;
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 10;
}

.hamburger-line {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-base);
}

/* ======================== HERO SECTION ======================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: calc(var(--nav-height) + var(--space-3xl)) var(--space-xl) var(--space-3xl);
}

.hero-bg-effects {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
}

.hero-glow-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 107, 107, 0.2) 0%, transparent 70%);
    top: -10%;
    left: -5%;
    animation: float-glow 12s ease-in-out infinite;
}

.hero-glow-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.2) 0%, transparent 70%);
    top: 20%;
    right: -10%;
    animation: float-glow 15s ease-in-out infinite reverse;
}

.hero-glow-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(232, 85, 160, 0.12) 0%, transparent 70%);
    bottom: 10%;
    left: 30%;
    animation: float-glow 18s ease-in-out infinite;
}

@keyframes float-glow {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -20px) scale(1.05); }
    66% { transform: translate(-20px, 15px) scale(0.95); }
}

.hero-container {
    position: relative;
    text-align: center;
    max-width: 800px;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 8px 20px;
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    backdrop-filter: blur(10px);
    margin-bottom: var(--space-2xl);
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-coral);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(255, 107, 107, 0.5); }
    50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(255, 107, 107, 0); }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-xl);
}

.hero-hey {
    display: inline-block;
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 3s ease-in-out infinite;
    background-size: 200% auto;
}

@keyframes shimmer {
    0% { background-position: 0% center; }
    50% { background-position: 100% center; }
    100% { background-position: 0% center; }
}

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

.hero-subtitle {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 580px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
}

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

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

/* Waitlist Form */
.waitlist-form {
    max-width: 480px;
    margin: 0 auto var(--space-2xl);
}

.waitlist-input-group {
    display: flex;
    gap: 8px;
    padding: 6px;
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-full);
    backdrop-filter: blur(10px);
}

.waitlist-email {
    flex: 1;
    padding: 12px 20px;
    background: transparent;
    border: none;
    outline: none;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-primary);
}

.waitlist-email::placeholder {
    color: var(--text-tertiary);
}

.waitlist-btn {
    flex-shrink: 0;
    padding: 12px 24px;
}

.waitlist-note {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: var(--space-sm);
    text-align: center;
}

.waitlist-success {
    color: var(--accent-coral);
    font-weight: 500;
}

/* Hero Waveform Canvas */
.hero-waveform {
    width: 100%;
    max-width: 700px;
    height: 120px;
    margin: 0 auto var(--space-3xl);
    position: relative;
}

.hero-waveform::before,
.hero-waveform::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 80px;
    z-index: 2;
    pointer-events: none;
}

.hero-waveform::before {
    left: 0;
    background: linear-gradient(to right, var(--bg-primary), transparent);
}

.hero-waveform::after {
    right: 0;
    background: linear-gradient(to left, var(--bg-primary), transparent);
}

#waveform-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xl);
}

.hero-stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-suffix {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent-purple);
}

.stat-label {
    display: block;
    font-size: 0.82rem;
    color: var(--text-tertiary);
    margin-top: 2px;
}

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

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent-purple), transparent);
    animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50% { opacity: 0.8; transform: scaleY(1.2); }
}

/* ======================== FEATURES SECTION ======================== */
.features {
    padding: var(--space-5xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-4xl);
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent-purple);
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-lg);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.7;
}

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    background: var(--bg-card-hover);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card-accent {
    background: var(--bg-card);
    border-color: var(--border-accent);
}

.feature-card-accent::before {
    opacity: 0.5;
}

.feature-icon-wrap {
    margin-bottom: var(--space-lg);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--gradient-subtle);
    border: 1px solid var(--border-subtle);
    color: var(--accent-coral);
}

.feature-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.feature-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.feature-example {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.example-bubble {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    line-height: 1.5;
    position: relative;
}

.bubble-label {
    display: block;
    font-weight: 600;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 4px;
}

.example-user {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
}

.example-user .bubble-label {
    color: var(--text-tertiary);
}

.example-heyou {
    background: var(--gradient-subtle);
    border: 1px solid rgba(139, 92, 246, 0.15);
    color: var(--text-primary);
}

.example-heyou .bubble-label {
    color: var(--accent-purple);
}

/* ======================== HOW IT WORKS ======================== */
.how-it-works {
    padding: var(--space-5xl) 0;
    position: relative;
    background: var(--bg-secondary);
}

.how-it-works::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--border-subtle), transparent);
}

.steps-grid {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: var(--space-lg);
}

.step-connector {
    display: flex;
    align-items: center;
    padding-top: 160px;
}

.step-card {
    flex: 1;
    max-width: 320px;
    text-align: center;
}

.step-number {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-lg);
}

.step-visual {
    margin-bottom: var(--space-xl);
}

.step-phone {
    width: 180px;
    height: 280px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 28px;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-slow);
}

.step-card:hover .step-phone {
    transform: translateY(-4px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
}

.phone-screen {
    width: 100%;
    text-align: center;
}

.phone-greeting {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.phone-subtext {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-xl);
}

.phone-button {
    width: 56px;
    height: 56px;
    margin: 0 auto;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.pulse-animation {
    animation: pulse-ring 2.5s ease-in-out infinite;
}

@keyframes pulse-ring {
    0% { box-shadow: 0 0 0 0 rgba(255, 107, 107, 0.35); }
    50% { box-shadow: 0 0 0 16px rgba(255, 107, 107, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 107, 107, 0); }
}

/* Phone waveform bars */
.phone-waveform {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    height: 100px;
    margin-bottom: var(--space-md);
}

.waveform-bar {
    width: 4px;
    border-radius: 4px;
    background: var(--gradient-primary);
    height: var(--h, 50%);
    animation: wave-bar 1.2s ease-in-out infinite;
}

.waveform-bar:nth-child(1) { animation-delay: 0s; }
.waveform-bar:nth-child(2) { animation-delay: 0.1s; }
.waveform-bar:nth-child(3) { animation-delay: 0.2s; }
.waveform-bar:nth-child(4) { animation-delay: 0.3s; }
.waveform-bar:nth-child(5) { animation-delay: 0.4s; }
.waveform-bar:nth-child(6) { animation-delay: 0.5s; }
.waveform-bar:nth-child(7) { animation-delay: 0.6s; }
.waveform-bar:nth-child(8) { animation-delay: 0.7s; }
.waveform-bar:nth-child(9) { animation-delay: 0.8s; }

@keyframes wave-bar {
    0%, 100% { transform: scaleY(0.4); }
    50% { transform: scaleY(1); }
}

.phone-caption {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

/* Phone insight card */
.phone-insight {
    text-align: left;
}

.insight-icon {
    font-size: 1.4rem;
    margin-bottom: var(--space-sm);
}

.insight-text {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.insight-items {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.insight-item {
    font-size: 0.7rem;
    color: var(--text-secondary);
    padding: 6px 10px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
    position: relative;
    padding-left: 24px;
}

.insight-item::before {
    content: '○';
    position: absolute;
    left: 8px;
    color: var(--text-muted);
    font-size: 0.65rem;
}

.insight-item.done {
    color: var(--accent-coral);
}

.insight-item.done::before {
    content: '✓';
    color: var(--accent-coral);
}

.step-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.step-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ======================== PRIVACY SECTION ======================== */
.privacy {
    padding: var(--space-5xl) 0;
    position: relative;
}

.privacy-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.privacy-content .section-title {
    text-align: left;
}

.privacy-content .section-subtitle {
    text-align: left;
    margin: 0 0 var(--space-2xl);
}

.privacy-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.privacy-feature {
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
}

.privacy-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--gradient-subtle);
    border: 1px solid var(--border-subtle);
    color: var(--accent-purple);
}

.privacy-feature h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 4px;
}

.privacy-feature p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Shield Animation */
.privacy-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.shield-container {
    width: 300px;
    height: 300px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.shield-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid;
}

.shield-ring-1 {
    width: 280px;
    height: 280px;
    border-color: rgba(139, 92, 246, 0.1);
    animation: ring-rotate 20s linear infinite;
}

.shield-ring-2 {
    width: 220px;
    height: 220px;
    border-color: rgba(255, 107, 107, 0.1);
    animation: ring-rotate 15s linear infinite reverse;
}

.shield-ring-3 {
    width: 160px;
    height: 160px;
    border-color: rgba(232, 85, 160, 0.15);
    animation: ring-rotate 25s linear infinite;
}

@keyframes ring-rotate {
    0% { transform: rotate(0deg); border-radius: 50%; }
    25% { border-radius: 45% 55% 50% 50%; }
    50% { transform: rotate(180deg); border-radius: 50%; }
    75% { border-radius: 55% 45% 50% 50%; }
    100% { transform: rotate(360deg); border-radius: 50%; }
}

.shield-icon {
    position: relative;
    z-index: 2;
}

.shield-particles {
    position: absolute;
    inset: 0;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--accent-purple);
    opacity: 0.4;
    animation: float-particle 8s ease-in-out infinite;
}

.particle:nth-child(1) { top: 10%; left: 20%; animation-delay: 0s; animation-duration: 6s; }
.particle:nth-child(2) { top: 25%; right: 15%; animation-delay: 1s; animation-duration: 8s; }
.particle:nth-child(3) { bottom: 30%; left: 10%; animation-delay: 2s; animation-duration: 7s; background: var(--accent-coral); }
.particle:nth-child(4) { bottom: 15%; right: 25%; animation-delay: 3s; animation-duration: 9s; }
.particle:nth-child(5) { top: 50%; left: 5%; animation-delay: 4s; animation-duration: 10s; background: var(--accent-pink); }
.particle:nth-child(6) { top: 40%; right: 5%; animation-delay: 5s; animation-duration: 7.5s; }

@keyframes float-particle {
    0%, 100% { transform: translate(0, 0); opacity: 0.2; }
    25% { transform: translate(10px, -15px); opacity: 0.5; }
    50% { transform: translate(-5px, -25px); opacity: 0.3; }
    75% { transform: translate(15px, -10px); opacity: 0.6; }
}

/* ======================== PRICING SECTION ======================== */
.pricing {
    padding: var(--space-5xl) 0;
    background: var(--bg-secondary);
    position: relative;
}

.pricing::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--border-subtle), transparent);
}

/* Pricing Toggle */
.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
}

.toggle-label {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    transition: var(--transition-base);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.toggle-label.toggle-active {
    color: var(--text-primary);
    font-weight: 600;
}

.save-badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    background: var(--gradient-subtle);
    color: var(--accent-coral);
    border: 1px solid rgba(255, 107, 107, 0.2);
}

.toggle-switch {
    width: 48px;
    height: 28px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    cursor: pointer;
    position: relative;
    transition: var(--transition-base);
}

.toggle-knob {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient-primary);
    position: absolute;
    top: 3px;
    left: 3px;
    transition: var(--transition-spring);
}

.toggle-switch.active .toggle-knob {
    transform: translateX(20px);
}

/* Pricing Cards */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    transition: var(--transition-slow);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-accent);
}

.pricing-card-popular {
    border-color: var(--accent-purple);
    background: linear-gradient(180deg, rgba(139, 92, 246, 0.08) 0%, var(--bg-card) 40%);
    box-shadow: var(--shadow-glow);
    transform: scale(1.02);
}

.pricing-card-popular:hover {
    transform: scale(1.02) translateY(-4px);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    color: white;
    white-space: nowrap;
}

.pricing-header {
    text-align: center;
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: var(--space-xl);
}

.plan-name {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.plan-tagline {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-lg);
}

.plan-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.price-amount {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.price-period {
    font-size: 0.9rem;
    color: var(--text-tertiary);
}

.plan-features {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.plan-features li svg {
    min-width: 16px;
    color: var(--accent-coral);
}

.plan-features li strong {
    color: var(--text-primary);
    font-weight: 600;
}

.feature-disabled {
    opacity: 0.35;
}

.feature-disabled svg {
    color: var(--text-muted) !important;
}

/* ======================== FINAL CTA ======================== */
.final-cta {
    padding: var(--space-5xl) 0;
    position: relative;
}

.cta-card {
    position: relative;
    text-align: center;
    padding: var(--space-4xl) var(--space-2xl);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 500px;
    height: 300px;
    background: radial-gradient(ellipse, rgba(255, 107, 107, 0.1) 0%, rgba(139, 92, 246, 0.1) 50%, transparent 70%);
    filter: blur(60px);
    pointer-events: none;
}

.cta-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
    position: relative;
}

.cta-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    position: relative;
}

.cta-buttons {
    position: relative;
    margin-bottom: var(--space-2xl);
}

.cta-disclaimer {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.6;
    position: relative;
}

.cta-disclaimer a {
    color: var(--accent-purple);
    text-decoration: underline;
    text-decoration-color: rgba(139, 92, 246, 0.3);
}

.cta-disclaimer a:hover {
    text-decoration-color: var(--accent-purple);
}

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

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

.footer-brand {
    max-width: 280px;
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    line-height: 1.6;
    margin-top: var(--space-md);
}

.footer-heading {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

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

.footer-link {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    padding: 4px 0;
}

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

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--border-subtle);
}

.footer-copyright {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.footer-socials {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    border: 1px solid var(--border-subtle);
    transition: var(--transition-base);
}

.social-link:hover {
    color: var(--text-primary);
    border-color: var(--border-accent);
    background: rgba(139, 92, 246, 0.05);
    transform: translateY(-2px);
}

/* ======================== RESPONSIVE ======================== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }

    .privacy-layout {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }

    .privacy-visual {
        order: -1;
    }

    .privacy-content .section-title,
    .privacy-content .section-subtitle {
        text-align: center;
    }

    .shield-container {
        width: 250px;
        height: 250px;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .pricing-card-popular {
        transform: none;
    }

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2xl);
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height: 64px;
    }

    .container {
        padding: 0 var(--space-lg);
    }

    .nav-links {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(6, 9, 19, 0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--space-2xl);
        z-index: 5;
    }

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

    .nav-links .nav-link {
        font-size: 1.4rem;
        font-weight: 600;
    }

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

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

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

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

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

    .hero {
        padding-top: calc(var(--nav-height) + var(--space-2xl));
    }

    .hero-title {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }

    .hero-ctas {
        flex-direction: column;
    }

    .hero-ctas .btn {
        width: 100%;
    }

    .hero-stats {
        gap: var(--space-lg);
    }

    .stat-number {
        font-size: 1.4rem;
    }

    .hide-mobile {
        display: none;
    }

    .steps-grid {
        flex-direction: column;
        align-items: center;
    }

    .step-connector {
        padding-top: 0;
        transform: rotate(90deg);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .footer-brand {
        max-width: 100%;
    }

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

@media (max-width: 480px) {
    .hero-waveform {
        height: 80px;
    }

    .step-phone {
        width: 160px;
        height: 250px;
    }
}
