/* ========================================
   Cally AI Landing Page Styles
   Dark theme with cyan/purple accents
   ======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: rgba(26, 26, 37, 0.6);
    --bg-card-hover: rgba(30, 30, 45, 0.8);
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6a6a7a;
    
    --accent-cyan: #00d4ff;
    --accent-purple: #7c3aed;
    --accent-gradient: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    --accent-glow: rgba(0, 212, 255, 0.3);
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    /* Spacing */
    --section-padding: 120px;
    --container-padding: 24px;
    --container-max-width: 1200px;
    
    /* Typography */
    --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Effects */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --border-radius-full: 9999px;
}

/* 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;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

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

/* Gradient Text */
.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 28px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--border-radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--bg-primary);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

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

.btn-secondary:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.btn-large {
    padding: 16px 36px;
    font-size: 1.1rem;
}

.btn-nav {
    padding: 10px 24px;
    background: var(--accent-gradient);
    color: var(--bg-primary);
    font-size: 0.9rem;
}

.telegram-icon {
    width: 20px;
    height: 20px;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    font-size: 1.8rem;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links a:not(.btn) {
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
}

.nav-links a:not(.btn):hover {
    color: var(--text-primary);
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width var(--transition-normal);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-normal);
}

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

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

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

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    padding: 30px;
    flex-direction: column;
    gap: 20px;
    z-index: 999;
    border-bottom: 1px solid var(--border-color);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition-normal);
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
}

.mobile-menu a {
    font-size: 1.1rem;
    color: var(--text-secondary);
    padding: 10px 0;
}

.mobile-menu a:hover {
    color: var(--text-primary);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0, 212, 255, 0.1), transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 20%, rgba(124, 58, 237, 0.08), transparent 40%),
        linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    z-index: -1;
}

/* Grid pattern overlay */
.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 30%, black, transparent);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-full);
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    display: flex;
    align-items: center;
    gap: 10px;
}

.stat-value {
    font-size: 1.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Hero Visual / Phone Mockup */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 320px;
    height: 640px;
    background: var(--bg-secondary);
    border-radius: 40px;
    border: 3px solid var(--border-color);
    padding: 12px;
    box-shadow: 
        0 40px 80px rgba(0, 0, 0, 0.5),
        0 0 60px var(--accent-glow);
    position: relative;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 24px;
    background: var(--bg-primary);
    border-radius: 20px;
}

.phone-screen {
    height: 100%;
    background: var(--bg-primary);
    border-radius: 30px;
    padding: 60px 16px 20px;
    overflow: hidden;
}

.chat-demo {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-message {
    max-width: 85%;
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 0.9rem;
    animation: fadeInUp 0.5s ease forwards;
    opacity: 0;
}

.chat-message:nth-child(1) { animation-delay: 0.5s; }
.chat-message:nth-child(2) { animation-delay: 1.5s; }
.chat-message:nth-child(3) { animation-delay: 2.5s; }
.chat-message:nth-child(4) { animation-delay: 3.5s; }
.chat-message:nth-child(5) { animation-delay: 5s; }

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

.chat-message.user {
    align-self: flex-end;
    background: var(--accent-gradient);
    color: var(--bg-primary);
}

.chat-message.bot {
    align-self: flex-start;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

.chat-message.calling {
    background: var(--bg-card);
}

.calling-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--accent-cyan);
}

.calling-indicator .pulse {
    width: 10px;
    height: 10px;
    background: var(--accent-cyan);
    border-radius: 50%;
    animation: pulse 1s infinite;
}

.chat-message.success {
    border-color: #22c55e;
}

/* Floating Elements */
.floating-element {
    position: absolute;
    font-size: 2rem;
    animation: float 6s ease-in-out infinite;
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

.elem-1 {
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.elem-2 {
    top: 60%;
    right: 0%;
    animation-delay: 2s;
}

.elem-3 {
    bottom: 15%;
    left: 10%;
    animation-delay: 4s;
}

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

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.scroll-arrow {
    width: 24px;
    height: 40px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    position: relative;
}

.scroll-arrow::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--accent-cyan);
    border-radius: 2px;
    animation: scrollDown 1.5s infinite;
}

@keyframes scrollDown {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 20px; }
}

/* ========================================
   Section Styles
   ======================================== */
.section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-full);
    font-size: 0.85rem;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* ========================================
   How It Works
   ======================================== */
.how-it-works {
    background: var(--bg-secondary);
}

.steps-grid {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 20px;
}

.step-card {
    flex: 1;
    max-width: 340px;
    padding: 40px 30px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
}

.step-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-5px);
}

.step-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-icon svg {
    width: 32px;
    height: 32px;
    color: var(--bg-primary);
}

.step-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 3rem;
    font-weight: 800;
    color: var(--bg-tertiary);
    line-height: 1;
}

.step-title {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.step-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.step-connector {
    display: flex;
    align-items: center;
    padding-top: 60px;
    color: var(--text-muted);
}

.step-connector svg {
    width: 60px;
    height: 20px;
}

/* ========================================
   Features
   ======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 36px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-5px);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: all var(--transition-normal);
}

.feature-card:hover .feature-icon {
    background: var(--accent-gradient);
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: var(--accent-cyan);
    transition: color var(--transition-normal);
}

.feature-card:hover .feature-icon svg {
    color: var(--bg-primary);
}

.feature-title {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.feature-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ========================================
   Use Cases
   ======================================== */
.use-cases {
    background: var(--bg-secondary);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.use-case-card {
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-normal);
}

.use-case-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
}

.use-case-emoji {
    font-size: 3rem;
    margin-bottom: 20px;
}

.use-case-title {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.use-case-description {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

.use-case-example {
    padding: 16px;
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-style: italic;
}

.example-label {
    color: var(--accent-cyan);
    font-style: normal;
    font-weight: 500;
}

/* ========================================
   Pricing Section
   ======================================== */
.pricing {
    background: var(--bg-secondary);
}

/* Billing Toggle */
.billing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 50px;
}

.billing-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
}

.billing-label.active {
    color: var(--text-primary);
}

.save-badge {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--border-radius-full);
}

.toggle-switch {
    position: relative;
    width: 56px;
    height: 30px;
    cursor: pointer;
}

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

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

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    left: 4px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--accent-gradient);
    border-radius: 50%;
    transition: transform var(--transition-normal);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateY(-50%) translateX(24px);
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

/* Main pricing grid (3 primary plans) */
.pricing-grid-main {
    margin-bottom: 20px;
}

/* Secondary pricing grid (3 additional plans) */
.pricing-grid-secondary {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.5s ease, opacity 0.3s ease, margin 0.3s ease;
    margin-top: 0;
}

.pricing-grid-secondary.visible {
    max-height: 800px;
    opacity: 1;
    margin-top: 24px;
}

/* More plans toggle button */
.more-plans-toggle {
    text-align: center;
    margin: 20px 0;
}

.more-plans-toggle .btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 1px solid var(--border-color);
    padding: 12px 24px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
    border-radius: var(--border-radius-full);
}

.more-plans-toggle .btn-ghost:hover {
    border-color: var(--accent-cyan);
    color: var(--text-primary);
}

.more-plans-toggle .btn-ghost svg {
    transition: transform var(--transition-normal);
}

.more-plans-toggle .btn-ghost.expanded svg {
    transform: rotate(180deg);
}

/* Compact pricing cards for secondary grid */
.pricing-card-compact {
    padding: 28px 24px;
}

.pricing-card-compact .pricing-emoji {
    font-size: 2rem;
    margin-bottom: 8px;
}

.pricing-card-compact .pricing-name {
    font-size: 1.25rem;
}

.pricing-card-compact .price-amount {
    font-size: 3rem;
}

.pricing-card-compact .pricing-features {
    margin-bottom: 24px;
}

.pricing-card-compact .pricing-features li {
    font-size: 0.9rem;
    margin-bottom: 10px;
}

/* Pricing Card */
.pricing-card {
    position: relative;
    padding: 40px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-5px);
}

.pricing-card.popular {
    border-color: var(--accent-cyan);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(124, 58, 237, 0.05));
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.1);
}

.pricing-card.popular:hover {
    box-shadow: 0 0 60px rgba(0, 212, 255, 0.15);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 20px;
    background: var(--accent-gradient);
    color: var(--bg-primary);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--border-radius-full);
    white-space: nowrap;
}

/* Pricing Header */
.pricing-header {
    text-align: center;
    margin-bottom: 24px;
}

.pricing-emoji {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 12px;
}

.pricing-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.pricing-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Pricing Price */
.pricing-price {
    text-align: center;
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border-color);
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 600;
    vertical-align: top;
    position: relative;
    top: 8px;
}

.price-amount {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.price-period {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Pricing Features */
.pricing-features {
    list-style: none;
    margin-bottom: 32px;
    flex-grow: 1;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.pricing-features li:last-child {
    margin-bottom: 0;
}

.check-icon {
    width: 20px;
    height: 20px;
    color: var(--accent-cyan);
    flex-shrink: 0;
    margin-top: 1px;
}

.pricing-features strong {
    color: var(--text-primary);
}

/* Pricing Button */
.pricing-btn {
    width: 100%;
    padding: 14px 28px;
}

/* Pricing Note */
.pricing-note {
    text-align: center;
    margin-top: 50px;
}

.trial-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-full);
    color: var(--text-secondary);
    font-size: 1rem;
}

.trial-badge svg {
    width: 24px;
    height: 24px;
    color: #22c55e;
}

.trial-badge strong {
    color: #22c55e;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    padding: 100px 0;
}

.cta-content {
    position: relative;
    text-align: center;
    padding: 80px 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, var(--accent-glow), transparent 60%);
    pointer-events: none;
}

.cta-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
}

.cta-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    position: relative;
}

.cta-note {
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--text-muted);
    position: relative;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-text {
        max-width: 100%;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .phone-mockup {
        width: 280px;
        height: 560px;
    }
    
    .floating-element {
        display: none;
    }
    
    .steps-grid {
        flex-direction: column;
        align-items: center;
    }
    
    .step-connector {
        transform: rotate(90deg);
        padding: 0;
        margin: -10px 0;
    }
    
    .step-card {
        max-width: 400px;
        width: 100%;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
    }
    
    .pricing-card.popular {
        order: -1;
    }
    
    .pricing-grid-secondary.visible {
        max-height: 1600px; /* Taller for stacked cards on mobile */
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
        --container-padding: 20px;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-large {
        width: 100%;
        max-width: 300px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .scroll-indicator {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .use-cases-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .cta-content {
        padding: 50px 20px;
    }
    
    .billing-toggle {
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .trial-badge {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .phone-mockup {
        width: 260px;
        height: 520px;
    }
    
    .step-card {
        padding: 30px 20px;
    }
    
    .feature-card {
        padding: 24px;
    }
    
    .use-case-card {
        padding: 30px 24px;
    }
    
    .pricing-card {
        padding: 32px 24px;
    }
    
    .price-amount {
        font-size: 3rem;
    }
}

/* ========================================
   Animations on Scroll
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger animation for grid items */
.stagger-item {
    opacity: 0;
    transform: translateY(30px);
}

.stagger-item.visible {
    animation: staggerIn 0.6s ease forwards;
}

@keyframes staggerIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   About Page Styles
   ======================================== */

/* About Hero */
.about-hero {
    padding: 160px 0 80px;
    position: relative;
    overflow: hidden;
}

.about-hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-hero-title {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.about-hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto;
}

/* Vision Section */
.vision-section {
    background: var(--bg-secondary);
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.vision-card {
    padding: 48px 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.vision-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-5px);
}

.vision-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 24px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vision-icon svg {
    width: 32px;
    height: 32px;
    color: var(--bg-primary);
}

.vision-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.vision-text {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Founder Section */
.founder-section {
    background: var(--bg-primary);
}

.founder-card {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 60px;
    align-items: start;
    padding: 48px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
}

.founder-image {
    position: relative;
}

.founder-image img {
    width: 100%;
    border-radius: var(--border-radius-lg);
    aspect-ratio: 1;
    object-fit: cover;
    border: 3px solid var(--border-color);
}

.founder-image::before {
    content: '';
    position: absolute;
    inset: -10px;
    background: var(--accent-gradient);
    border-radius: calc(var(--border-radius-lg) + 10px);
    z-index: -1;
    opacity: 0.3;
}

.founder-info {
    padding-top: 16px;
}

.founder-name {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.founder-role {
    font-size: 1.1rem;
    color: var(--accent-cyan);
    font-weight: 500;
    margin-bottom: 20px;
}

.founder-bio {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
    font-size: 1.05rem;
}

.founder-credentials {
    list-style: none;
    margin-bottom: 24px;
}

.founder-credentials li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.founder-credentials svg {
    width: 20px;
    height: 20px;
    color: var(--accent-cyan);
    flex-shrink: 0;
}

.founder-location {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.founder-location svg {
    width: 18px;
    height: 18px;
}

.founder-linkedin {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.founder-linkedin svg {
    width: 20px;
    height: 20px;
}

/* FAQ Section */
.faq-section {
    background: var(--bg-secondary);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq-item:hover {
    border-color: var(--border-hover);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

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

.faq-item[data-open="true"] .faq-icon {
    transform: rotate(180deg);
}

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

.faq-item[data-open="true"] .faq-answer {
    max-height: 300px;
    padding: 0 24px 24px;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Investors Section */
.investors-section {
    background: var(--bg-primary);
    position: relative;
}

.investors-content {
    position: relative;
    padding: 80px 60px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.investors-glow {
    position: absolute;
    top: -30%;
    left: 50%;
    transform: translateX(-50%);
    width: 700px;
    height: 500px;
    background: radial-gradient(ellipse, rgba(124, 58, 237, 0.15), transparent 60%);
    pointer-events: none;
}

.investors-content .section-header {
    position: relative;
    z-index: 1;
}

.investors-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin: 48px 0;
    position: relative;
    z-index: 1;
}

.investor-stat {
    text-align: center;
    padding: 32px 24px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
}

.investor-stat:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-hover);
    transform: translateY(-3px);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.stat-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.stat-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.investors-cta {
    text-align: center;
    position: relative;
    z-index: 1;
    margin-top: 48px;
}

.investors-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.investors-note {
    margin-top: 16px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* About Page Responsive */
@media (max-width: 1024px) {
    .vision-grid {
        grid-template-columns: 1fr;
    }
    
    .founder-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .founder-image {
        max-width: 250px;
        margin: 0 auto;
    }
    
    .founder-credentials li {
        justify-content: center;
    }
    
    .founder-location {
        justify-content: center;
    }
    
    .founder-linkedin {
        justify-content: center;
    }
    
    .investors-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .investors-content {
        padding: 60px 40px;
    }
}

@media (max-width: 768px) {
    .about-hero {
        padding: 120px 0 60px;
    }
    
    .about-hero-title {
        font-size: 1.8rem;
    }
    
    .about-hero-subtitle {
        font-size: 1rem;
    }
    
    .vision-card {
        padding: 32px 24px;
    }
    
    .founder-card {
        padding: 32px 24px;
        gap: 32px;
    }
    
    .founder-name {
        font-size: 1.6rem;
    }
    
    .faq-question {
        font-size: 1rem;
        padding: 20px;
    }
    
    .faq-item[data-open="true"] .faq-answer {
        padding: 0 20px 20px;
    }
    
    .investors-content {
        padding: 40px 24px;
    }
}