/* PunchFlow Trainer - Website Styles */
/* Design System: Tech/Dark Theme with Gold/Green Accents */

:root {
    --bg-primary: #1a1d24;
    --bg-secondary: #252a34;
    --bg-card: #2d333b;
    --text-primary: #ffffff;
    --text-secondary: #adbac7;
    --text-muted: #768390;
    --accent-gold: #f5c842;
    --accent-green: #4ade80;
    --accent-green-hover: #22c55e;
    --border-color: #373e47;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 64px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.25;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--accent-gold);
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    color: var(--text-primary);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    color: var(--accent-gold);
}

p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

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

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

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

/* Navigation */
.navbar {
    background: rgba(26, 29, 36, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-gold);
    flex-shrink: 0;
}

.navbar-brand:hover {
    color: var(--accent-gold);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    list-style: none;
    flex-wrap: wrap;
}

.navbar-menu a {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    white-space: nowrap;
}

.navbar-menu a:hover,
.navbar-menu a.active {
    color: var(--text-primary);
    background: var(--bg-card);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 100%;
    background: radial-gradient(circle, rgba(245, 200, 66, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-content {
    text-align: left;
}

.hero-content h1 {
    margin-bottom: var(--spacing-md);
}

.hero-content p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.hero-device {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Device Mockup */
.device-mockup {
    position: relative;
    max-width: 280px;
    margin: 0 auto;
}

.device-mockup::before {
    content: '';
    position: absolute;
    top: -12px;
    left: -12px;
    right: -12px;
    bottom: -12px;
    background: linear-gradient(145deg, var(--bg-card), var(--bg-secondary));
    border-radius: 32px;
    border: 2px solid var(--border-color);
    z-index: -1;
}

.device-mockup img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    display: block;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-green);
    color: #000;
}

.btn-primary:hover {
    background: var(--accent-green-hover);
    color: #000;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(74, 222, 128, 0.3);
}

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

.btn-secondary:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--accent-gold);
}

.btn-gold {
    background: var(--accent-gold);
    color: #000;
}

.btn-gold:hover {
    background: #e6b93a;
    color: #000;
    transform: translateY(-2px);
}

/* Sections */
.section {
    padding: var(--spacing-xl) 0;
}

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

.section-header p {
    max-width: 600px;
    margin: 0 auto;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

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

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

.feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-green));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.feature-card p {
    font-size: 0.9375rem;
    margin-bottom: 0;
}

/* Screenshots Section */
.screenshots-section {
    background: var(--bg-secondary);
    max-height: 500px;
    padding: var(--spacing-lg) 0;
    overflow: hidden;
}

.screenshot-carousel {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    height: 380px;
}

.screenshot-container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 350px;
    position: relative;
}

.screenshot-wrapper {
    position: relative;
    max-width: 200px;
    opacity: 0;
    transition: all 0.4s ease;
    transform: scale(0.9);
}

.screenshot-wrapper.active {
    opacity: 1;
    transform: scale(1);
}

.screenshot-wrapper::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: linear-gradient(145deg, var(--bg-card), var(--bg-primary));
    border-radius: 28px;
    border: 2px solid var(--border-color);
    z-index: -1;
}

.screenshot-wrapper img {
    width: 100%;
    height: auto;
    max-height: 320px;
    object-fit: contain;
    border-radius: 18px;
    display: block;
    cursor: pointer;
    filter: blur(5px);
    transition: filter 0.3s ease;
}

.screenshot-wrapper img.loaded {
    filter: blur(0);
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
    font-size: 1.25rem;
}

.carousel-nav:hover {
    background: var(--accent-gold);
    color: #000;
    border-color: var(--accent-gold);
}

.carousel-prev {
    left: 0;
}

.carousel-next {
    right: 0;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.carousel-dot.active {
    background: var(--accent-gold);
    width: 28px;
    border-radius: 5px;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: var(--spacing-md);
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
    position: relative;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 85vh;
    border-radius: var(--radius-lg);
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-close:hover {
    color: var(--accent-gold);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
    text-align: center;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.cta-section h2 {
    color: var(--accent-gold);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand h3 {
    color: var(--accent-gold);
    margin-bottom: var(--spacing-sm);
}

.footer-links h4 {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

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

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* Page Header */
.page-header {
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-lg);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    text-align: center;
}

/* Content Pages */
.content-section {
    background: var(--bg-primary);
    padding: var(--spacing-xl) 0;
}

.content-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.content-card h2 {
    color: var(--accent-gold);
    font-size: 1.5rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.content-card h2:first-child {
    margin-top: 0;
}

.content-card p {
    text-align: left;
    margin-bottom: var(--spacing-sm);
}

.content-card ul,
.content-card ol {
    text-align: left;
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.content-card li {
    margin-bottom: var(--spacing-xs);
}

.content-card a {
    color: var(--accent-green);
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-weight: 500;
    text-align: left;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(245, 200, 66, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-group input[type="file"] {
    padding: 10px;
    cursor: pointer;
}

.form-group input[type="file"]::file-selector-button {
    background: var(--accent-green);
    color: #000;
    border: none;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    margin-right: var(--spacing-sm);
    font-weight: 500;
}

.form-success {
    display: none;
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(74, 222, 128, 0.1);
    border: 1px solid var(--accent-green);
    border-radius: var(--radius-lg);
}

.form-success.show {
    display: block;
}

.form-success h3 {
    color: var(--accent-green);
}

/* Privacy Accept Button */
.privacy-accept-container {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    background: linear-gradient(to top, var(--bg-primary), transparent);
    z-index: 1500;
    display: none;
}

.privacy-accept-container.show {
    display: block;
}

.privacy-accept-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    padding: 18px 32px;
    font-size: 1.125rem;
    font-weight: 700;
    background: var(--accent-green);
    color: #000;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 8px 30px rgba(74, 222, 128, 0.4);
}

.privacy-accept-btn:hover {
    background: var(--accent-green-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(74, 222, 128, 0.5);
}

/* Perfect For Section */
.perfect-for-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-sm);
}

.perfect-for-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.perfect-for-item span:first-child {
    font-size: 1.5rem;
}

.perfect-for-item span:last-child {
    color: var(--text-secondary);
    text-align: left;
}

/* Responsive */
@media (max-width: 900px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-device {
        order: -1;
        margin-bottom: var(--spacing-md);
    }

    .device-mockup {
        max-width: 220px;
    }
}

@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .navbar-menu {
        gap: var(--spacing-sm);
        justify-content: center;
    }

    .navbar-menu a {
        padding: var(--spacing-xs);
        font-size: 0.875rem;
    }

    .hero {
        padding-top: calc(120px + var(--spacing-lg));
        min-height: auto;
    }

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

    .screenshots-section {
        max-height: 400px;
        padding: var(--spacing-md) 0;
    }

    .screenshot-carousel {
        height: 320px;
    }

    .screenshot-container {
        height: 280px;
    }

    .screenshot-wrapper {
        max-width: 160px;
    }

    .screenshot-wrapper img {
        max-height: 260px;
    }

    .carousel-nav {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-links ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-sm);
    }

    .footer-links li {
        margin-bottom: 0;
    }
}

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

    h1 {
        font-size: 1.75rem;
    }

    .btn {
        padding: 12px 20px;
        font-size: 0.9375rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

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

    .device-mockup {
        max-width: 180px;
    }

    .feature-card {
        padding: var(--spacing-sm);
    }

    .content-card {
        padding: var(--spacing-md);
    }

    .screenshot-wrapper {
        max-width: 140px;
    }

    .screenshot-wrapper img {
        max-height: 220px;
    }
}

/* Landscape orientation adjustments */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: calc(80px + var(--spacing-md)) 0 var(--spacing-md);
    }

    .hero .container {
        grid-template-columns: 1fr 1fr;
    }

    .device-mockup {
        max-width: 160px;
    }

    .screenshots-section {
        max-height: 350px;
    }

    .screenshot-container {
        height: 250px;
    }

    .screenshot-wrapper img {
        max-height: 200px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.fade-in-delay-1 {
    animation-delay: 0.1s;
}

.fade-in-delay-2 {
    animation-delay: 0.2s;
}

.fade-in-delay-3 {
    animation-delay: 0.3s;
}