/* 
   HopDoc - Perfect Your Bunny Hops
   Styles inspired by roomform.ai & vhsmtb.com
*/

:root {
    /* Color Palette - VHS/Neon Aesthetic */
    --color-bg: #0a0a0f;
    --color-surface: #12121a;
    --color-surface-hover: #1a1a24;
    --color-text: #ffffff;
    --color-text-muted: #a0a0b0;
    --color-border: rgba(255, 255, 255, 0.1);
    
    /* Neon Accents */
    --color-cyan: #00d9ff;
    --color-magenta: #ff00aa;
    --color-purple: #8b5cf6;
    --color-green: #00ff88;
    --color-yellow: #ffcc00;
    --color-orange: #ff6b35;
    --color-pink: #ff3388;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-cyan), var(--color-purple));
    --gradient-glow: radial-gradient(circle at center, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
    
    /* Spacing & Layout */
    --container-width: 1200px;
    --header-height: 80px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography & Utilities */
h1, h2, h3, h4 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-normal);
}

.btn-primary {
    background: var(--color-text);
    color: var(--color-bg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

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

.btn-outline:hover {
    border-color: var(--color-text);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    display: flex;
    align-items: center;
}

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

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

.nav-links {
    display: none;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
        gap: 32px;
    }
}

.nav-links a {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    font-weight: 500;
}

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

.nav-cta {
    display: none;
}

@media (min-width: 768px) {
    .nav-cta {
        display: inline-flex;
        padding: 8px 16px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 100px;
        font-size: 0.9rem;
        font-weight: 600;
    }
    
    .nav-cta:hover {
        background: rgba(255, 255, 255, 0.2);
    }
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    margin-right: -8px;
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

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

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* Mobile Menu Overlay */
.mobile-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-150%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 999;
}

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

.mobile-menu a {
    font-size: 1.25rem;
    font-weight: 600;
}

.mobile-cta {
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    padding: 12px;
    border-radius: 8px;
    margin-top: 12px;
}

/* Hero Section */
.hero {
    position: relative;
    padding-top: calc(var(--header-height) + 60px);
    padding-bottom: 80px;
    overflow: hidden;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hero-bg-effects {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    overflow: hidden;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
}

.glow-1 {
    width: 300px;
    height: 300px;
    background: var(--color-purple);
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
}

.glow-2 {
    width: 250px;
    height: 250px;
    background: var(--color-cyan);
    bottom: 10%;
    left: -50px;
    opacity: 0.2;
}

.glow-3 {
    width: 200px;
    height: 200px;
    background: var(--color-magenta);
    top: 40%;
    right: -50px;
    opacity: 0.2;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto 60px;
    padding: 0 24px;
    z-index: 10;
}

.hero-title {
    font-size: 2.5rem;
    line-height: 1.1;
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 4rem;
        gap: 12px;
    }
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto 32px;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
    margin-bottom: 48px;
}

@media (min-width: 640px) {
    .hero-cta {
        flex-direction: row;
        justify-content: center;
    }
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 40px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 800;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

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

/* Phone Mockup */
.hero-phone {
    position: relative;
    width: 280px;
    margin: 0 auto;
    z-index: 5;
    transform: perspective(1000px) rotateX(10deg);
    transition: transform 0.5s ease;
}

@media (min-width: 768px) {
    .hero-phone {
        width: 320px;
    }
    
    .hero:hover .hero-phone {
        transform: perspective(1000px) rotateX(0deg);
    }
}

.phone-frame {
    background: #000;
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 0 0 2px #333, 0 20px 40px rgba(0,0,0,0.5);
    position: relative;
    z-index: 2;
}

.phone-screen {
    background: #1a1a1a;
    border-radius: 28px;
    overflow: hidden;
    aspect-ratio: 9/19.5;
    position: relative;
}

.phone-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #1a1a1a 0%, #2a2a2a 100%);
    color: var(--color-text-muted);
    gap: 8px;
}

.placeholder-note {
    font-size: 0.75rem;
    opacity: 0.7;
}

.phone-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 110%;
    background: var(--gradient-primary);
    filter: blur(60px);
    opacity: 0.3;
    z-index: 1;
    animation: pulse 4s infinite ease-in-out;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.5; transform: translate(-50%, -50%) scale(1.05); }
}

/* Features Section */
.features {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px;
}

.section-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-cyan);
    margin-bottom: 16px;
    border: 1px solid rgba(0, 217, 255, 0.2);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Make first feature span 2 columns or adjust layout as preferred */
    .features-grid .feature-card:first-child {
        grid-column: 1 / -1;
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 32px;
    }
    
    .features-grid .feature-card:first-child .feature-icon {
        width: 80px;
        height: 80px;
        flex-shrink: 0;
        margin-bottom: 0;
    }
}

.feature-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 32px;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.feature-card:hover {
    background: var(--color-surface-hover);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--color-text);
}

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

/* Color variants for icons */
.icon-purple { color: var(--color-purple); background: rgba(139, 92, 246, 0.1); }
.icon-green { color: var(--color-green); background: rgba(0, 255, 136, 0.1); }
.icon-yellow { color: var(--color-yellow); background: rgba(255, 204, 0, 0.1); }
.icon-pink { color: var(--color-pink); background: rgba(255, 51, 136, 0.1); }
.icon-orange { color: var(--color-orange); background: rgba(255, 107, 53, 0.1); }
.icon-cyan { color: var(--color-cyan); background: rgba(0, 217, 255, 0.1); }

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Demo Section */
.demo {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--color-bg) 0%, #1a1a24 50%, var(--color-bg) 100%);
    overflow: hidden;
}

.demo-showcase {
    margin-top: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 60px;
}

.demo-phones {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 600px;
    width: 100%;
}

.demo-phone {
    position: absolute;
    transition: var(--transition-normal);
}

.demo-phone-center {
    z-index: 10;
    width: 280px;
}

.phone-frame-large {
    background: #000;
    border-radius: 40px;
    padding: 10px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.demo-phone-left, .demo-phone-right {
    width: 240px;
    z-index: 5;
    opacity: 0.7;
    filter: blur(1px);
}

.demo-phone-left {
    transform: translateX(-60%) scale(0.9);
}

.demo-phone-right {
    transform: translateX(60%) scale(0.9);
}

/* Stacking for desktop */
@media (min-width: 1024px) {
    .demo-phone-center { width: 320px; }
    .demo-phone-left { transform: translateX(-350px) rotateY(15deg) scale(0.9); }
    .demo-phone-right { transform: translateX(350px) rotateY(-15deg) scale(0.9); }
}

.phone-frame-small {
    background: #111;
    border-radius: 32px;
    padding: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.phone-glow-demo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.3) 0%, transparent 70%);
    z-index: -1;
}

.demo-features {
    display: flex;
    flex-direction: column;
    gap: 32px;
    width: 100%;
    max-width: 800px;
}

@media (min-width: 768px) {
    .demo-features {
        flex-direction: row;
        justify-content: space-between;
        text-align: center;
    }
}

.demo-feature {
    flex: 1;
    background: rgba(255, 255, 255, 0.03);
    padding: 24px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.demo-feature-number {
    font-size: 3rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.05);
    line-height: 1;
    margin-bottom: 16px;
}

.demo-feature h4 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    color: var(--color-cyan);
}

.demo-feature p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Pricing Section */
.pricing {
    padding: 120px 0;
}

.pricing-cards {
    display: flex;
    flex-direction: column;
    gap: 32px;
    align-items: center;
}

@media (min-width: 1024px) {
    .pricing-cards {
        flex-direction: row;
        justify-content: center;
        align-items: stretch;
        gap: 24px;
    }
}

.pricing-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 380px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-8px);
}

.pricing-card-featured {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-purple);
    box-shadow: 0 0 40px rgba(139, 92, 246, 0.1);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 4px 16px;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 700;
    white-space: nowrap;
}

.pricing-header {
    margin-bottom: 32px;
    text-align: center;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

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

.price-amount {
    font-size: 3rem;
    font-weight: 800;
}

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

.price-savings {
    display: block;
    color: var(--color-green);
    font-size: 0.875rem;
    font-weight: 600;
    margin-top: 8px;
}

.pricing-features {
    margin-bottom: 40px;
    flex-grow: 1;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    color: var(--color-text-muted);
}

.pricing-features li svg {
    color: var(--color-purple);
    flex-shrink: 0;
}

.pricing-card-featured .pricing-features li svg {
    color: var(--color-cyan);
}

.pricing-card .btn {
    width: 100%;
}

/* Footer */
.footer {
    border-top: 1px solid var(--color-border);
    padding: 80px 0 32px;
    background: #050508;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    margin-bottom: 60px;
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 2fr 3fr;
    }
}

.footer-brand p {
    color: var(--color-text-muted);
    margin-top: 16px;
    max-width: 300px;
}

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

@media (min-width: 640px) {
    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

.footer-column h4 {
    margin-bottom: 24px;
    font-size: 1rem;
}

.footer-column a {
    display: block;
    color: var(--color-text-muted);
    margin-bottom: 12px;
    font-size: 0.9rem;
}

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

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.875rem;
    align-items: center;
}

@media (min-width: 640px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.social-links {
    display: flex;
    gap: 24px;
}

.social-links a {
    color: var(--color-text-muted);
}

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

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}