/* ===================================
   TOKEM US - Modern Tech Design
   Typography: Outfit + JetBrains Mono
   =================================== */

:root {
    /* Color Palette - Tech Blue with Cyan Accents */
    --color-primary: #0066FF;
    --color-primary-dark: #0052CC;
    --color-primary-light: #3385FF;
    --color-accent: #00D9FF;
    --color-accent-glow: rgba(0, 217, 255, 0.3);

    --color-dark: #0A0E27;
    --color-dark-blue: #141B34;
    --color-slate: #1E2749;
    --color-slate-light: #2D3A5F;

    --color-text: #E8EDF4;
    --color-text-secondary: #A8B5CC;
    --color-text-muted: #6B7A99;

    --color-success: #00FF94;
    --color-warning: #FFB800;
    --color-error: #FF4D6D;

    /* Typography */
    --font-primary: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px var(--color-accent-glow);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===================================
   RESET & BASE STYLES
   =================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-dark);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

/* ===================================
   CONTAINER & LAYOUT
   =================================== */

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

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* ===================================
   NAVIGATION
   =================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
    animation: slideDown 0.6s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
}

.logo-img {
    height: 45px;
    width: auto;
    display: block;
    transition: var(--transition-base);
    /* Remove gray background completely */
    filter: brightness(1.3) contrast(1.2);
    mix-blend-mode: lighten;
    background: transparent;
}

.logo:hover .logo-img {
    opacity: 0.9;
}

.logo-bracket {
    color: var(--color-accent);
}

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

.nav-link {
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link-cta {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

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

.nav-link-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 0.4rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-base);
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-left: var(--spacing-md);
}

.lang-link {
    font-size: 1.5rem;
    padding: 0.25rem;
    opacity: 0.6;
    transition: var(--transition-fast);
    border-radius: var(--radius-sm);
    line-height: 1;
}

.lang-link:hover {
    opacity: 1;
    transform: scale(1.15);
}

.lang-link.active {
    opacity: 1;
    background: rgba(0, 102, 255, 0.15);
    border: 1px solid rgba(0, 102, 255, 0.3);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .logo-img {
        height: 35px;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 100%;
        max-width: 300px;
        background: var(--color-dark-blue);
        flex-direction: column;
        padding: var(--spacing-lg);
        border-left: 1px solid rgba(255, 255, 255, 0.05);
        transition: var(--transition-base);
        height: calc(100vh - 80px);
    }

    .nav-menu.active {
        right: 0;
    }

    .language-switcher {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--color-slate);
        padding: var(--spacing-sm);
        justify-content: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        margin-left: 0;
        z-index: 999;
    }

    .footer-logo-img {
        height: 40px;
    }
}

/* ===================================
   HERO SECTION
   =================================== */

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

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 217, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 217, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 8s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-primary), transparent);
    top: -200px;
    right: -100px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-accent), transparent);
    bottom: -150px;
    left: -100px;
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(30px, -30px) scale(1.1);
    }
}

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

@media (min-width: 992px) {
    .hero .container {
        grid-template-columns: 1.2fr 1fr;
    }
}

.hero-content {
    animation: fadeInUp 0.8s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.title-line {
    display: block;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.title-accent {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    animation: fadeInUp 0.8s ease 0.5s both;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s both;
}

/* Hero Visual - Code Window */
.hero-visual {
    animation: fadeInUp 0.8s ease 0.7s both;
}

.code-window {
    background: var(--color-dark-blue);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.window-header {
    background: var(--color-slate);
    padding: var(--spacing-sm);
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot-red { background: var(--color-error); }
.dot-yellow { background: var(--color-warning); }
.dot-green { background: var(--color-success); }

.code-content {
    padding: var(--spacing-lg);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.code-keyword { color: #FF6B9D; }
.code-variable { color: var(--color-accent); }
.code-property { color: #C792EA; }
.code-string { color: #C3E88D; }
.code-function { color: #82AAFF; }
.code-comment { color: var(--color-text-muted); font-style: italic; }

/* ===================================
   BUTTONS
   =================================== */

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
    font-family: var(--font-primary);
    font-size: 1rem;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-slate-light);
}

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

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

.btn-outline:hover {
    background: var(--color-primary);
    color: white;
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.125rem;
}

/* ===================================
   SERVICES SECTION
   =================================== */

.services {
    padding: var(--spacing-2xl) 0;
    background: var(--color-dark-blue);
    position: relative;
}

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

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

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

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

.service-card {
    background: var(--color-slate);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transition: var(--transition-base);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 217, 255, 0.3);
    box-shadow: var(--shadow-glow);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card-featured {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 217, 255, 0.05));
    border-color: var(--color-primary);
}

.featured-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--color-accent);
    color: var(--color-dark);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    letter-spacing: 0.05em;
}

.service-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

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

.service-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.service-features li {
    color: var(--color-text-secondary);
    padding-left: 1.5rem;
    position: relative;
}

.service-features li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* ===================================
   PHILOSOPHY SECTION
   =================================== */

.philosophy {
    padding: var(--spacing-2xl) 0;
}

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

@media (min-width: 992px) {
    .philosophy-content {
        grid-template-columns: 1fr 1.2fr;
    }
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
}

.stat-item {
    background: var(--color-slate);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
}

.stat-item:hover {
    border-color: var(--color-accent);
    transform: scale(1.05);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

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

.philosophy-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.philosophy-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

/* ===================================
   CTA SECTION
   =================================== */

.cta {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></svg>');
    opacity: 0.3;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: white;
}

.cta-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
}

.cta .btn-primary {
    background: white;
    color: var(--color-primary);
}

.cta .btn-primary:hover {
    background: var(--color-dark);
    color: white;
}

/* ===================================
   FOOTER
   =================================== */

.footer {
    background: var(--color-dark-blue);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
    margin-bottom: var(--spacing-sm);
}

.footer-logo-img {
    height: 50px;
    width: auto;
    display: block;
    margin-bottom: var(--spacing-sm);
    /* Remove gray background completely */
    filter: brightness(1.3) contrast(1.2);
    mix-blend-mode: lighten;
    background: transparent;
}

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

.footer-heading {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.footer-links li,
.footer-contact li {
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-secondary);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ===================================
   ANIMATIONS & UTILITIES
   =================================== */

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