/* ========================================
   1. DESIGN TOKENS
   ======================================== */
:root {
    /* Colors */
    --bg-primary: #0c0c0c;
    --bg-secondary: #141414;
    --bg-card: #1a1a1a;
    --bg-card-hover: #222222;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --text-muted: rgba(255, 255, 255, 0.4);
    --accent: #f8eac1;
    --accent-dim: rgba(248, 234, 193, 0.15);
    --accent-glow: rgba(248, 234, 193, 0.3);
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-medium: rgba(255, 255, 255, 0.12);
    --navbar-bg: rgba(12, 12, 12, 0.8);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --fs-hero: clamp(2.5rem, 6vw, 4.5rem);
    --fs-h2: clamp(2rem, 4vw, 3rem);
    --fs-h3: clamp(1.25rem, 2.5vw, 1.5rem);
    --fs-body: clamp(1rem, 1.2vw, 1.125rem);
    --fs-small: 0.875rem;
    --fs-xs: 0.75rem;
    --fs-nav: 0.9375rem;
    --letter-tight: -0.025em;
    --letter-wide: 0.05em;
    --line-height-tight: 1.1;
    --line-height-normal: 1.6;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-4xl: 8rem;
    --section-padding: clamp(4rem, 10vw, 8rem);
    --container-max: 1200px;
    --container-narrow: 800px;
    --container-padding: clamp(1rem, 4vw, 2rem);

    /* Components */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(248, 234, 193, 0.1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: var(--line-height-normal);
}

img {
    max-width: 100%;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

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

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

.section-alt {
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-label {
    display: inline-block;
    font-size: var(--fs-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--letter-wide);
    color: var(--accent);
    background: var(--accent-dim);
    padding: 0.375rem 1rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: var(--fs-h2);
    font-weight: 700;
    letter-spacing: var(--letter-tight);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.section-description {
    font-size: var(--fs-body);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--line-height-normal);
}

.text-accent {
    color: var(--accent);
}

/* ========================================
   4. ANIMATIONS
   ======================================== */
.fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

@media (prefers-reduced-motion: reduce) {
    .fade-up {
        opacity: 1;
        transform: none;
        transition: none;
    }
    html {
        scroll-behavior: auto;
    }
}

/* ========================================
   5. NAVBAR
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--navbar-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: background var(--transition-normal), border-color var(--transition-normal);
}

.navbar.scrolled {
    border-bottom-color: var(--border-medium);
    background: rgba(12, 12, 12, 0.95);
}

.navbar-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    flex-shrink: 0;
}

.navbar-logo-img {
    height: 32px;
    width: auto;
}

.navbar-logo-text {
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--accent);
    letter-spacing: 0.02em;
}

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

.nav-link {
    font-size: var(--fs-nav);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
    transform-origin: center;
}

.hamburger.active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.hamburger.active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ========================================
   6. HERO
   ======================================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding-top: 64px;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(600px, 90vw);
    height: min(600px, 90vw);
    background: radial-gradient(circle, rgba(248, 234, 193, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-logo {
    width: 120px;
    height: auto;
    margin: 0 auto var(--space-xl);
}

.hero-title {
    font-size: var(--fs-hero);
    font-weight: 800;
    letter-spacing: var(--letter-tight);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: var(--fs-body);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
    line-height: var(--line-height-normal);
}

/* ========================================
   7. BUTTONS
   ======================================== */
.btn {
    display: inline-block;
    font-family: var(--font-family);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.btn-primary {
    padding: 1rem 2.5rem;
    background: var(--accent);
    color: var(--bg-primary);
    border-radius: var(--radius-full);
}

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

.btn-full {
    width: 100%;
    text-align: center;
}

/* ========================================
   8. SERVICES (Scale)
   ======================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: background var(--transition-normal), border-color var(--transition-normal), transform var(--transition-normal);
}

.service-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(248, 234, 193, 0.15);
    transform: translateY(-4px);
}

.service-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-md);
    color: var(--accent);
}

.service-title {
    font-size: var(--fs-h3);
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

.service-description {
    font-size: var(--fs-small);
    color: var(--text-secondary);
    line-height: var(--line-height-normal);
}

/* ========================================
   9. APPS (Portfolio)
   ======================================== */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--space-lg);
}

.app-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
    transition: border-color var(--transition-normal), transform var(--transition-normal);
}

.app-card:hover {
    border-color: rgba(248, 234, 193, 0.2);
    transform: translateY(-2px);
}

.app-icon-placeholder {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border-radius: 18px;
    overflow: hidden;
}

.app-info {
    flex: 1;
    min-width: 0;
}

.app-name {
    font-size: var(--fs-h3);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.app-category {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: var(--letter-wide);
    margin-bottom: var(--space-xs);
}

.app-description {
    font-size: var(--fs-small);
    color: var(--text-secondary);
    line-height: var(--line-height-normal);
    margin-bottom: var(--space-md);
}

.app-metrics {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
}

.metric {
    display: flex;
    flex-direction: column;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

.metric-label {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: var(--letter-wide);
}

.app-links {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

.store-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: var(--fs-small);
    font-weight: 500;
    text-decoration: none;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.store-badge:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.store-badge svg {
    width: 16px;
    height: 16px;
}

/* ========================================
   10. COMPANY
   ======================================== */
.mission-quote {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 300;
    font-style: italic;
    color: var(--text-primary);
    line-height: 1.6;
    max-width: var(--container-narrow);
    margin: 0 auto var(--space-3xl);
    padding: var(--space-xl);
    border-left: 3px solid var(--accent);
    background: linear-gradient(90deg, var(--accent-dim), transparent);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.value-card {
    padding: var(--space-xl);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    background: var(--bg-primary);
    transition: border-color var(--transition-normal);
}

.value-card:hover {
    border-color: rgba(248, 234, 193, 0.15);
}

.value-number {
    font-size: var(--fs-h2);
    font-weight: 800;
    color: var(--accent);
    opacity: 0.3;
    display: block;
    margin-bottom: var(--space-sm);
}

.value-title {
    font-size: var(--fs-h3);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.value-description {
    font-size: var(--fs-small);
    color: var(--text-secondary);
    line-height: var(--line-height-normal);
}

/* ========================================
   11. CONTACT
   ======================================== */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.contact-item {
    display: flex;
    gap: var(--space-sm);
    align-items: flex-start;
    margin-bottom: var(--space-lg);
}

.contact-item svg {
    color: var(--accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-label {
    display: block;
    font-size: var(--fs-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: var(--letter-wide);
    margin-bottom: 0.25rem;
}

.contact-value {
    font-size: var(--fs-body);
    color: var(--text-primary);
    text-decoration: none;
}

.contact-value:hover {
    color: var(--accent);
}

.social-links {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.social-link {
    display: inline-flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-color: var(--border-medium);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* Form */
.contact-form {
    display: flex;
    flex-direction: column;
}

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

.form-label {
    display: block;
    font-size: var(--fs-small);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--fs-body);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.form-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-input::placeholder {
    color: var(--text-muted);
}

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

/* ========================================
   12. FOOTER
   ======================================== */
.footer {
    border-top: 1px solid var(--border-subtle);
    padding: var(--space-3xl) 0 var(--space-lg);
}

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

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: var(--space-sm);
}

.footer-tagline {
    font-size: var(--fs-small);
    color: var(--text-muted);
    max-width: 240px;
    line-height: var(--line-height-normal);
}

.footer-heading {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: var(--letter-wide);
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
    font-weight: 600;
}

.footer-links-group {
    display: flex;
    flex-direction: column;
}

.footer-link {
    font-size: var(--fs-small);
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.625rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid var(--border-subtle);
    margin-top: var(--space-2xl);
    padding-top: var(--space-lg);
    text-align: center;
    font-size: var(--fs-xs);
    color: var(--text-muted);
}

/* ========================================
   13. PRIVACY PAGE
   ======================================== */
.privacy-content {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: calc(64px + var(--space-3xl)) var(--container-padding) var(--space-3xl);
}

.privacy-content h2 {
    font-size: var(--fs-h2);
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.privacy-content h3 {
    font-size: var(--fs-h3);
    color: var(--text-primary);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
}

.privacy-content p,
.privacy-content li {
    font-size: var(--fs-body);
    color: var(--text-secondary);
    line-height: var(--line-height-normal);
}

.privacy-content p {
    margin-bottom: var(--space-sm);
}

.privacy-content a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.privacy-content a:hover {
    opacity: 0.8;
}

.privacy-content ul {
    padding-left: var(--space-lg);
    margin-bottom: var(--space-md);
}

.privacy-content li {
    margin-bottom: 0.5rem;
}

/* ========================================
   14. RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

@media (max-width: 768px) {
    /* Navbar mobile */
    .navbar-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border-subtle);
        padding: var(--space-sm) 0;
        flex-direction: column;
        gap: 0;
    }

    .navbar-nav.open {
        display: flex;
    }

    .nav-link {
        display: block;
        padding: 0.875rem var(--container-padding);
        font-size: 1.125rem;
    }

    .nav-link.active::after {
        display: none;
    }

    .hamburger {
        display: flex;
    }

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

    /* Values */
    .values-grid {
        grid-template-columns: 1fr;
    }

    /* Contact */
    .contact-layout {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 480px) {
    .services-grid {
        grid-template-columns: 1fr;
    }

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

    .app-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .app-metrics {
        justify-content: center;
    }

    .app-links {
        justify-content: center;
    }

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

    .footer-tagline {
        margin: 0 auto;
    }

    .footer-brand {
        grid-column: auto;
    }

    .hero-logo {
        width: 80px;
    }

    .navbar-logo-text {
        font-size: 1rem;
    }
}