/* Inter Font */
@font-face {
    font-family: 'Inter';
    src: url('../fonts/inter.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

/* CSS Variables */
:root {
    --primary-color: #00D4AA;
    --secondary-color: #4ecdc4;
    --accent-color: #ff6b6b;
    --bg-primary: #000000;
    --bg-secondary: #111111;
    --bg-card: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #888888;
    --border-color: #333333;
    --shadow: 0 4px 20px rgba(0, 212, 170, 0.1);
    --shadow-large: 0 10px 40px rgba(0, 212, 170, 0.15);
    --gradient-bg: linear-gradient(135deg, #000000 0%, #001a0f 50%, #000000 100%);
    --border-radius: 12px;
    --border-radius-small: 8px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --container-max: 1200px;
    --header-height: 80px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--gradient-bg);
    min-height: 100vh;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.1rem; }

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius-small);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    min-height: 44px;
}

.btn--primary {
    background: var(--primary-color);
    color: #000000;
}

.btn--primary:hover {
    background: #00b894;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn--ghost {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn--ghost:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn--large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    height: var(--header-height);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.nav__brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav__logo {
    width: 40px;
    height: 40px;
}

.nav__name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.nav__menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav__link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: var(--spacing-xs) 0;
    position: relative;
}

.nav__link:hover,
.nav__link.active {
    color: var(--primary-color);
}

.nav__link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    gap: 4px;
}

.nav__toggle-line {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    z-index: 2;
    position: relative;
}

.hero__title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero__subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.5;
}

.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.phone-mockup {
    position: relative;
    filter: drop-shadow(var(--shadow-large));
}

.phone-frame {
    width: 280px;
    height: auto;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    cursor: pointer;
    transition: var(--transition);
}

.play-button:hover {
    transform: translate(-50%, -50%) scale(1.1);
}

.play-button svg {
    width: 60px;
    height: 60px;
}

.hero__wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    z-index: 1;
}

.hero__wave svg {
    width: 100%;
    height: 200px;
}

/* Stats Section */
.stats {
    padding: var(--spacing-xl) 0;
    background: var(--bg-secondary);
}

.stats__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    text-align: center;
}

.stat__number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

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

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    margin-bottom: var(--spacing-sm);
}

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

/* Features Section */
.features {
    padding: var(--spacing-xl) 0;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

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

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-large);
    border-color: var(--primary-color);
}

.feature-card__icon {
    margin-bottom: var(--spacing-md);
}

.feature-card__icon svg {
    width: 60px;
    height: 60px;
}

.feature-card__title {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-card__description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Gallery Section */
.gallery {
    padding: var(--spacing-xl) 0;
    background: var(--bg-secondary);
}

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

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

.gallery__item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

.gallery__item svg {
    width: 100%;
    height: auto;
}

/* Testimonials Section */
.testimonials {
    padding: var(--spacing-xl) 0;
}

.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

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

.testimonial:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

.testimonial__quote {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.testimonial__quote::before {
    content: '"';
    color: var(--primary-color);
    font-size: 2rem;
    font-weight: bold;
}

.testimonial__quote::after {
    content: '"';
    color: var(--primary-color);
    font-size: 2rem;
    font-weight: bold;
}

.testimonial__name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

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

/* Multi Asset Section */
.multi-asset {
    padding: var(--spacing-xl) 0;
    background: var(--bg-secondary);
}

.asset-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

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

.asset-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.asset-icon svg {
    width: 32px;
    height: 32px;
}

.asset-symbol {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.asset-price {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* CTA Section */
.cta {
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.cta__content {
    max-width: 600px;
    margin: 0 auto;
}

.cta__title {
    margin-bottom: var(--spacing-sm);
}

.cta__subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

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

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

.footer__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.footer__brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer__logo {
    width: 32px;
    height: 32px;
}

.footer__name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.footer__links {
    display: flex;
    gap: var(--spacing-md);
}

.footer__links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer__links a:hover {
    color: var(--primary-color);
}

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

.footer__bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.footer__bottom a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

.footer__bottom a:hover {
    color: var(--primary-color);
}

/* Page Styles */
.page {
    padding-top: calc(var(--header-height) + var(--spacing-lg));
    min-height: calc(100vh - var(--header-height));
}

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

.page-title {
    margin-bottom: var(--spacing-sm);
}

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

.content {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

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

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

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-primary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-small);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.1);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
}

.form-checkbox input {
    margin-top: 4px;
}

.form-checkbox label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
}

.form-checkbox a {
    color: var(--primary-color);
    text-decoration: none;
}

.form-checkbox a:hover {
    text-decoration: underline;
}

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.form-success {
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid var(--primary-color);
    border-radius: var(--border-radius-small);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
    display: none;
}

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

.honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
    pointer-events: none;
}

/* Blog Styles */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

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

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

.blog-card__title {
    margin-bottom: var(--spacing-sm);
}

.blog-card__title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.blog-card__title a:hover {
    color: var(--primary-color);
}

.blog-card__excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.blog-card__meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.blog-card__date {
    color: var(--primary-color);
}

.article {
    max-width: 800px;
    margin: 0 auto;
}

.article__header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.article__title {
    margin-bottom: var(--spacing-sm);
}

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

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

.article__content h2,
.article__content h3 {
    color: var(--text-primary);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.article__content h2:first-child,
.article__content h3:first-child {
    margin-top: 0;
}

.article__content p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.article__content ul,
.article__content ol {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-md);
}

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

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

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-large);
    border-color: var(--primary-color);
}

.service-card__icon {
    margin-bottom: var(--spacing-md);
}

.service-card__icon svg {
    width: 60px;
    height: 60px;
}

.service-card__title {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.service-card__description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 404 Styles */
.error-404 {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.error-404__code {
    font-size: 8rem;
    font-weight: 900;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.error-404__title {
    margin-bottom: var(--spacing-sm);
}

.error-404__description {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --spacing-xs: 0.25rem;
        --spacing-sm: 0.75rem;
        --spacing-md: 1.5rem;
        --spacing-lg: 2rem;
        --spacing-xl: 2.5rem;
    }

    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }

    .container {
        padding: 0 var(--spacing-sm);
    }

    /* Mobile Navigation */
    .nav__menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-lg) var(--spacing-sm);
        border-top: 1px solid var(--border-color);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav__menu.show {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav__actions {
        position: fixed;
        top: calc(var(--header-height) + 200px);
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        flex-direction: column;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(20px);
        padding: var(--spacing-md);
        border-radius: var(--border-radius);
        border: 1px solid var(--border-color);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav__actions.show {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav__toggle {
        display: flex;
    }

    .nav__toggle.active .nav__toggle-line:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .nav__toggle.active .nav__toggle-line:nth-child(2) {
        opacity: 0;
    }

    .nav__toggle.active .nav__toggle-line:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    /* Hero Mobile */
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .hero__title {
        font-size: 2.5rem;
    }

    .hero__visual {
        order: -1;
    }

    .phone-frame {
        width: 240px;
    }

    /* Stats Mobile */
    .stats__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .stat__number {
        font-size: 2.5rem;
    }

    /* Features Mobile */
    .features__grid {
        grid-template-columns: 1fr;
    }

    /* Gallery Mobile */
    .gallery__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    /* Testimonials Mobile */
    .testimonials__grid {
        grid-template-columns: 1fr;
    }

    /* Asset Grid Mobile */
    .asset-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* CTA Mobile */
    .cta__actions {
        flex-direction: column;
        align-items: center;
    }

    .btn--large {
        width: 100%;
        max-width: 300px;
    }

    /* Footer Mobile */
    .footer__content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .footer__links {
        flex-wrap: wrap;
        justify-content: center;
    }

    /* Form Mobile */
    .form-actions {
        flex-direction: column;
    }

    /* Blog Mobile */
    .blog-grid {
        grid-template-columns: 1fr;
    }

    /* Services Mobile */
    .services-grid {
        grid-template-columns: 1fr;
    }

    /* 404 Mobile */
    .error-404__code {
        font-size: 6rem;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    
    .hero__title {
        font-size: 2rem;
    }

    .phone-frame {
        width: 200px;
    }

    .gallery__grid {
        grid-template-columns: 1fr;
    }

    .asset-grid {
        grid-template-columns: 1fr;
    }

    .error-404__code {
        font-size: 4rem;
    }
}

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

/* Focus styles for keyboard navigation */
.btn:focus,
.nav__link:focus,
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}