/* ============================================
   TEKGLEN MARKETING WEBSITE - STYLES
   Design System: Technical Precision Aesthetic
   ============================================ */

:root {
    /* Colors - Technical Precision Palette */
    --primary: #00D9FF;
    --primary-dark: #00A8CC;
    --accent: #FF3366;
    --success: #00FF88;
    --warning: #FFB800;
    
    --bg-dark: #0A0E14;
    --bg-darker: #050709;
    --bg-light: #FFFFFF;
    --bg-card: #141920;
    --bg-card-hover: #1A2029;
    
    --text-primary: #FFFFFF;
    --text-secondary: #8B92A8;
    --text-dark: #0A0E14;
    --text-muted: #5A6178;
    
    --border: #1F2937;
    --border-light: #E5E7EB;
    
    /* Typography */
    --font-display: 'Syne', sans-serif;
    --font-body: 'DM Mono', monospace;
    --font-accent: 'Space Mono', monospace;
    
    /* Spacing */
    --section-padding: 120px;
    --container-width: 1200px;
    
    /* Transitions */
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-dark);
    overflow-x: hidden;
}

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

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.1;
}

h1 {
    font-size: clamp(48px, 8vw, 72px);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(36px, 6vw, 56px);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(24px, 4vw, 32px);
}

p {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.8;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 20, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-family: var(--font-accent);
    font-size: 20px;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition);
}

.logo-bracket {
    color: var(--primary);
    font-size: 24px;
}

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

.logo-img {
    height: 28px;
    width: auto;
    display: block;
}

.footer .logo-img {
    height: 32px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-family: var(--font-body);
    font-size: 14px;
    text-decoration: none;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    padding: 8px 20px !important;
    background: var(--primary);
    color: var(--bg-dark) !important;
    border-radius: 4px;
    font-weight: 500;
}

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

.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

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

.btn {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    padding: 14px 28px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 217, 255, 0.3);
}

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

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

.btn-large {
    padding: 18px 36px;
    font-size: 16px;
}

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

.hero {
    padding: 180px 0 120px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 600px;
    background: radial-gradient(circle at 50% 0%, rgba(0, 217, 255, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: 24px;
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease-out;
}

.badge-pulse {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.95); }
}

.badge-text {
    font-size: 13px;
    font-weight: 500;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-title {
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    margin-bottom: 64px;
    animation: fadeInUp 0.8s ease-out 0.6s both;
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-value {
    font-family: var(--font-accent);
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

/* ============================================
   HERO TERMINAL
   ============================================ */

.hero-visual {
    position: absolute;
    right: -100px;
    top: 200px;
    width: 600px;
    opacity: 0.9;
    animation: fadeInRight 1s ease-out 0.6s both;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 0.9;
        transform: translateX(0);
    }
}

.terminal-window {
    background: var(--bg-darker);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
}

.terminal-dots {
    display: flex;
    gap: 6px;
}

.terminal-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border);
}

.terminal-dots span:nth-child(1) { background: #FF5F56; }
.terminal-dots span:nth-child(2) { background: #FFBD2E; }
.terminal-dots span:nth-child(3) { background: #27C93F; }

.terminal-title {
    font-family: var(--font-body);
    font-size: 12px;
    color: var(--text-secondary);
}

.terminal-body {
    padding: 20px;
    font-family: var(--font-body);
    font-size: 13px;
    line-height: 1.8;
}

.terminal-line {
    margin-bottom: 8px;
    display: flex;
    gap: 8px;
}

.prompt {
    color: var(--primary);
}

.command {
    color: var(--text-secondary);
}

.output {
    color: var(--warning);
    font-weight: 500;
}

.success {
    color: var(--success);
}

.highlight {
    color: var(--primary);
}

.terminal-cursor {
    display: inline-block;
    width: 8px;
    height: 16px;
    background: var(--primary);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* ============================================
   SECTIONS
   ============================================ */

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

.section-dark {
    background: var(--bg-darker);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-header {
    margin-bottom: 64px;
}

.section-header.centered {
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 64px;
}

.section-label {
    font-family: var(--font-accent);
    font-size: 13px;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.section-title {
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   PROBLEM CARDS
   ============================================ */

.problems-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.problem-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 32px;
    transition: var(--transition);
}

.problem-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    background: var(--bg-card-hover);
}

.problem-stat {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 8px;
}

.problem-label {
    font-family: var(--font-accent);
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.problem-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   FEATURES GRID
   ============================================ */

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 40px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    background: var(--bg-card-hover);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon svg {
    color: var(--primary);
}

.feature-title {
    font-family: var(--font-display);
    font-size: 24px;
    margin-bottom: 12px;
}

.feature-description {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   WORKFLOW
   ============================================ */

.workflow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    overflow-x: auto;
    padding: 20px 0;
}

.workflow-step {
    flex: 1;
    min-width: 180px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 24px;
    transition: var(--transition);
}

.workflow-step:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
}

.step-number {
    font-family: var(--font-accent);
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.step-content h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.step-content p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.workflow-arrow {
    font-size: 24px;
    color: var(--primary);
    flex-shrink: 0;
}

/* ============================================
   TESTIMONIAL PLACEHOLDER
   ============================================ */

.testimonial-placeholder {
    text-align: center;
    padding: 80px 40px;
    background: var(--bg-card);
    border: 2px dashed var(--border);
    border-radius: 12px;
}

.placeholder-icon {
    margin-bottom: 24px;
}

.placeholder-icon svg {
    color: var(--text-muted);
}

.placeholder-text {
    font-family: var(--font-display);
    font-size: 24px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.placeholder-subtext {
    font-size: 14px;
    color: var(--text-muted);
}

/* ============================================
   TECH GRID
   ============================================ */

.tech-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
}

.tech-item {
    text-align: center;
    padding: 24px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: var(--transition);
}

.tech-item:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
}

.tech-name {
    font-family: var(--font-accent);
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.tech-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.cta-section {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, rgba(255, 51, 102, 0.1) 100%);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    margin-bottom: 16px;
}

.cta-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

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

.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border);
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-tagline {
    font-size: 14px;
    color: var(--text-muted);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-column h4 {
    font-family: var(--font-accent);
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-column a {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 12px;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--primary);
    transform: translateX(4px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-muted);
}

.footer-meta {
    display: flex;
    gap: 12px;
    font-size: 13px;
    color: var(--text-muted);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .hero-visual {
        display: none;
    }
    
    .problems-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .workflow {
        flex-direction: column;
    }
    
    .workflow-arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px;
    }
    
    .nav-links {
        gap: 16px;
    }
    
    .nav-links a {
        font-size: 13px;
    }
    
    .hero {
        padding: 140px 0 80px;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}