/* ==========================================================================
   Albatros Nova Akademi - Design System & Custom Stylesheet
   ========================================================================== */

/* Theme Variables & Tokens */
:root {
    /* Color Palette - Default Light / Warm Premium Educational Aesthetic */
    --bg-main: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --border-color: #e2e8f0;
    --border-glow: rgba(0, 168, 150, 0.25);
    
    --text-primary: #082554;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --accent-blue: #00A896;       /* Official Logo Teal */
    --accent-cyan: #00c4b4;       /* Vibrant Cyan Highlight */
    --accent-gold: #e69500;       /* Rich Amber Gold Detail */
    --accent-gold-glow: rgba(230, 149, 0, 0.15);
    --accent-success: #10b981;
    
    --gradient-primary: linear-gradient(135deg, #008D96 0%, #00c4b4 100%);
    --gradient-gold: linear-gradient(135deg, #ffb703 0%, #fb8500 100%);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 15px 35px -10px rgba(8, 37, 84, 0.1);
    --shadow-glow: 0 0 25px rgba(0, 168, 150, 0.2);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;

    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Overrides */
[data-theme="dark"] {
    --bg-main: #08182f;
    --bg-secondary: #0e2445;
    --bg-card: rgba(14, 36, 69, 0.8);
    --bg-card-hover: rgba(18, 45, 87, 0.95);
    --border-color: rgba(255, 255, 255, 0.12);
    --border-glow: rgba(0, 168, 150, 0.35);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-gold: #ffb703;
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(0, 168, 150, 0.3);
}

/* Global Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

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

ul {
    list-style: none;
}

button, input, select {
    font-family: inherit;
}

/* Utility Containers */
.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-sm {
    max-width: 860px;
}

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 24px;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gradient-primary);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 168, 150, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 168, 150, 0.5);
}

.btn-secondary {
    background: rgba(0, 168, 150, 0.08);
    border: 1px solid var(--border-glow);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(0, 168, 150, 0.15);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.btn-outline:hover {
    background: var(--accent-blue);
    color: #ffffff;
}

.btn-whatsapp {
    background: #25D366;
    color: #ffffff;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background: #1ebc57;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.05rem;
    border-radius: var(--radius-md);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.btn-full {
    width: 100%;
}

/* Typography Extensions */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section {
    padding: 90px 0;
}

.section-header {
    margin-bottom: 50px;
}

.section-subtitle {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 2.5px;
    color: var(--accent-blue);
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 680px;
    margin: 0 auto;
}

/* Header & Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 12px 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

[data-theme="dark"] .navbar {
    background: rgba(8, 24, 47, 0.95);
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.4);
}

.nav-container {
    max-width: 1360px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.brand-logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}

.brand-logo-inline {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-svg-icon {
    height: 42px;
    width: auto;
    flex-shrink: 0;
    filter: drop-shadow(0 2px 6px rgba(0, 168, 150, 0.25));
}

.svg-dark-path {
    fill: var(--text-primary);
    transition: fill 0.3s ease;
}

.brand-text-block {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.15;
}

.brand-title {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.brand-accent {
    color: var(--accent-blue);
}

.brand-subtitle {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.2px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 12px;
    white-space: nowrap;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 8px 12px;
    border-radius: 20px;
    white-space: nowrap;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--accent-blue);
    background: rgba(0, 168, 150, 0.08);
}

.nav-link.active {
    color: #ffffff;
    background: var(--gradient-primary);
    box-shadow: 0 4px 12px rgba(0, 168, 150, 0.3);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
    flex-shrink: 0;
}

.theme-toggle {
    background: rgba(0, 168, 150, 0.08);
    border: 1px solid var(--border-glow);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition);
    flex-shrink: 0;
}

.theme-toggle:hover {
    background: var(--accent-blue);
    color: #ffffff;
    transform: rotate(15deg);
}

.nav-cta {
    border-radius: 50px;
    padding: 9px 20px;
    font-weight: 700;
    font-size: 0.88rem;
    white-space: nowrap;
    box-shadow: 0 4px 15px rgba(0, 168, 150, 0.4);
}

.mobile-toggle {
    display: none;
    background: rgba(0, 168, 150, 0.1);
    border: 1px solid var(--border-glow);
    color: var(--accent-blue);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
    flex-shrink: 0;
}

.mobile-toggle:hover {
    background: var(--accent-blue);
    color: #ffffff;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 150px 0 90px 0;
    overflow: hidden;
}

.hero-bg-glow {
    position: absolute;
    top: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 168, 150, 0.18) 0%, rgba(248, 250, 252, 0) 70%);
    pointer-events: none;
}

[data-theme="dark"] .hero-bg-glow {
    background: radial-gradient(circle, rgba(0, 168, 150, 0.25) 0%, rgba(8, 24, 47, 0) 70%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(0, 168, 150, 0.12);
    border: 1px solid var(--border-glow);
    border-radius: 30px;
    color: var(--accent-blue);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: 1px;
}

.badge-separator {
    opacity: 0.4;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent-gold);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.stat-divider {
    width: 1px;
    height: 36px;
    background: var(--border-color);
}

/* Hero Visual & Badges */
.image-card-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: visible;
    box-shadow: var(--shadow-lg);
}

.hero-image {
    width: 100%;
    border-radius: var(--radius-lg);
    display: block;
    border: 1px solid var(--border-color);
}

.floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 2;
    animation: float 4s ease-in-out infinite;
}

[data-theme="dark"] .floating-badge {
    background: rgba(8, 24, 47, 0.92);
}

.badge-top-right {
    top: 24px;
    right: -24px;
}

.badge-bottom-left {
    bottom: 24px;
    left: -24px;
    animation-delay: 2s;
}

.badge-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.badge-text {
    display: flex;
    flex-direction: column;
}

.badge-text strong {
    font-size: 0.9rem;
    color: var(--text-primary);
}

.badge-text span {
    font-size: 0.78rem;
    color: var(--accent-gold);
    font-weight: 600;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Educational Programs Section */
.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 22px;
    border-radius: 30px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

[data-theme="dark"] .tab-btn {
    background: rgba(255, 255, 255, 0.04);
}

.tab-btn:hover, .tab-btn.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #ffffff;
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.program-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 36px 30px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
}

.program-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}

.program-card.featured {
    background: linear-gradient(180deg, rgba(0, 168, 150, 0.08) 0%, rgba(255, 255, 255, 1) 100%);
    border-color: var(--accent-blue);
}

[data-theme="dark"] .program-card.featured {
    background: linear-gradient(180deg, rgba(0, 168, 150, 0.15) 0%, rgba(14, 36, 69, 0.85) 100%);
}

.card-badge {
    position: absolute;
    top: 24px;
    right: 24px;
    padding: 4px 12px;
    background: rgba(0, 168, 150, 0.15);
    color: var(--accent-blue);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 20px;
}

.card-badge.gold {
    background: var(--accent-gold-glow);
    color: var(--accent-gold);
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-sm);
    background: rgba(0, 168, 150, 0.1);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 24px;
}

.program-card h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.program-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.card-features {
    margin-bottom: 30px;
    margin-top: auto;
}

.card-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.card-features i {
    color: var(--accent-success);
}

/* Koçluk Section */
.kocluk-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.kocluk-visual {
    position: relative;
}

.kocluk-image {
    width: 100%;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.kocluk-glass-card {
    position: absolute;
    bottom: -20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    border: 1px solid var(--accent-gold);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .kocluk-glass-card {
    background: rgba(8, 24, 47, 0.92);
}

.kocluk-glass-card i {
    font-size: 2rem;
    color: var(--accent-gold);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    gap: 20px;
}

.feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(0, 168, 150, 0.12);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.feature-item h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.feature-item p {
    color: var(--text-secondary);
    font-size: 0.92rem;
}

/* AkaMetrik™ Dedicated Software Showcase */
.akametrik-section {
    background: linear-gradient(180deg, rgba(0, 168, 150, 0.04) 0%, rgba(248, 250, 252, 1) 100%);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .akametrik-section {
    background: linear-gradient(180deg, rgba(0, 168, 150, 0.08) 0%, rgba(8, 24, 47, 1) 100%);
}

.akametrik-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: center;
}

.akametrik-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--accent-blue);
    letter-spacing: 2px;
    margin-bottom: 16px;
    border: 1px solid var(--border-glow);
    padding: 4px 14px;
    border-radius: 20px;
    background: rgba(0, 168, 150, 0.08);
}

.akametrik-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin: 30px 0;
}

.akametrik-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.akametrik-card:hover {
    border-color: var(--border-glow);
    transform: translateX(6px);
}

.aka-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: var(--gradient-primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 168, 150, 0.3);
}

.akametrik-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.akametrik-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Dashboard Interactive Mockup */
.akametrik-dashboard-mockup {
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.mockup-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
}

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

.mockup-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ff5f56;
}

.mockup-dots span:nth-child(2) { background: #ffbd2e; }
.mockup-dots span:nth-child(3) { background: #27c93f; }

.mockup-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    gap: 6px;
}

.student-mini-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0, 168, 150, 0.08);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

.s-info {
    display: flex;
    flex-direction: column;
}

.s-info strong {
    font-size: 0.9rem;
}

.s-info span {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.s-badge {
    background: var(--accent-blue);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
}

.mockup-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.m-stat {
    background: var(--bg-main);
    padding: 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.m-stat span {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.m-stat strong {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 2px 0;
}

.m-stat small.up { color: var(--accent-blue); font-weight: 700; font-size: 0.75rem; }
.m-stat small.ok { color: var(--accent-success); font-weight: 700; font-size: 0.75rem; }

.mockup-chart-box {
    background: var(--bg-main);
    padding: 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 16px;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 14px;
}

.chart-header .accent { color: var(--accent-blue); }

.progress-bar-group {
    margin-bottom: 12px;
}

.progress-bar-group:last-child { margin-bottom: 0; }

.p-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.78rem;
    margin-bottom: 4px;
}

.p-bar {
    height: 8px;
    background: rgba(0, 0, 0, 0.08);
    border-radius: 10px;
    overflow: hidden;
}

[data-theme="dark"] .p-bar { background: rgba(255, 255, 255, 0.1); }

.p-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 10px;
}

.p-fill.gold {
    background: var(--gradient-gold);
}

.mockup-footer-note {
    font-size: 0.78rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 183, 3, 0.1);
    padding: 10px;
    border-radius: var(--radius-sm);
    border: 1px dashed rgba(255, 183, 3, 0.3);
}

.mockup-footer-note i { color: var(--accent-gold); }

/* Puan Robotu Simulator */
.robot-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.robot-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
}

.robot-tab {
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.robot-tab.active {
    background: rgba(0, 168, 150, 0.12);
    color: var(--accent-blue);
    border-bottom: 2px solid var(--accent-blue);
}

.calc-panel {
    display: none;
}

.calc-panel.active {
    display: block;
}

.inputs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.input-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.input-group input[type="range"] {
    width: 100%;
    accent-color: var(--accent-blue);
    cursor: pointer;
}

.range-val {
    margin-top: 6px;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--accent-blue);
}

.robot-results {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 30px;
    background: rgba(0, 168, 150, 0.06);
    padding: 28px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-glow);
    align-items: center;
}

.result-box {
    text-align: center;
    border-right: 1px solid var(--border-color);
    padding-right: 20px;
}

.res-title {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.res-score {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent-gold);
    line-height: 1;
    margin: 8px 0;
}

.res-percentile {
    font-size: 0.9rem;
    color: var(--accent-blue);
    font-weight: 600;
}

.result-target h4 {
    font-size: 1.05rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.result-target ul {
    margin-bottom: 16px;
}

.result-target li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.result-target li i {
    color: var(--accent-success);
}

/* Testimonials / Wall of Fame */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
}

.student-profile {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 18px;
}

.avatar-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: #ffffff;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-circle.gold {
    background: var(--gradient-gold);
}

.student-profile strong {
    display: block;
    font-size: 1rem;
}

.student-profile span {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.quote {
    font-style: italic;
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.badge-success {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-success);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 20px;
    width: fit-content;
}

.badge-success.gold {
    background: var(--accent-gold-glow);
    color: var(--accent-gold);
}

/* Accordion FAQ */
.accordion {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.accordion-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.accordion-header {
    width: 100%;
    padding: 20px 24px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.05rem;
    font-weight: 600;
    text-align: left;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: var(--transition);
}

.accordion-header i {
    transition: transform 0.3s ease;
    color: var(--accent-blue);
}

.accordion-item.active .accordion-header i {
    transform: rotate(180deg);
}

.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 24px;
}

.accordion-item.active .accordion-body {
    max-height: 200px;
    padding: 0 24px 20px 24px;
}

.accordion-body p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.info-items {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin: 30px 0;
}

.info-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.info-card i {
    font-size: 1.4rem;
    color: var(--accent-blue);
    margin-top: 4px;
}

.contact-form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.contact-form-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.contact-form-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(241, 245, 249, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

[data-theme="dark"] .form-group input, [data-theme="dark"] .form-group select {
    background: rgba(8, 24, 47, 0.5);
}

.form-group input:focus, .form-group select:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(0, 168, 150, 0.2);
}

/* Footer & OjoWorks Agency Credit */
.footer {
    background: #040d1a;
    color: #f8fafc;
    border-top: 1px solid var(--border-color);
    padding: 70px 0 30px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.light-text .brand-title {
    color: #ffffff;
}

.light-text .brand-subtitle {
    color: #94a3b8;
}

.slogan-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 2px;
    color: #00c4b4;
    border: 1px solid rgba(0, 196, 180, 0.3);
    padding: 4px 12px;
    border-radius: 20px;
    margin: 14px 0 10px 0;
}

.footer-brand p {
    color: #94a3b8;
    font-size: 0.9rem;
    max-width: 380px;
}

.footer-links h4, .footer-social h4 {
    font-size: 1rem;
    margin-bottom: 20px;
    color: #ffffff;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #94a3b8;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: #00c4b4;
}

.social-icons {
    display: flex;
    gap: 12px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
}

.social-icons a:hover {
    background: var(--accent-blue);
    color: #ffffff;
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: #64748b;
    font-size: 0.85rem;
}

.developer-credit {
    margin-top: 8px;
    font-size: 0.82rem;
    color: #94a3b8;
}

.ojoworks-link {
    font-weight: 700;
    color: #00c4b4;
    background: linear-gradient(135deg, #00c4b4 0%, #3a86ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    padding: 2px 6px;
    border-radius: 4px;
    transition: var(--transition);
}

.ojoworks-link:hover {
    opacity: 0.85;
    text-decoration: underline;
}

/* Modal Overlay & Card */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 520px;
    padding: 40px;
    position: relative;
    box-shadow: var(--shadow-lg);
    transform: translateY(20px);
    transition: var(--transition);
}

.modal-overlay.active .modal-container {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.8rem;
    cursor: pointer;
}

.modal-badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 168, 150, 0.15);
    color: var(--accent-blue);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 20px;
    margin-bottom: 12px;
}

.modal-header h3 {
    font-size: 1.5rem;
    margin-bottom: 6px;
}

.modal-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #10b981;
    color: #ffffff;
    padding: 16px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    z-index: 3000;
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* ==========================================================================
   Responsive Media Queries (Mobile & Tablet Optimization)
   ========================================================================== */

@media (max-width: 1200px) {
    .nav-menu {
        gap: 6px;
    }
    .nav-link {
        font-size: 0.85rem;
        padding: 6px 10px;
    }
}

@media (max-width: 992px) {
    .hero-grid, .kocluk-grid, .akametrik-grid, .contact-grid, .robot-results {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .nav-cta {
        display: none; /* Hide desktop button on navbar mobile view to avoid overflow */
    }

    .nav-menu {
        position: fixed;
        top: 66px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 66px);
        background: var(--bg-main);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        gap: 16px;
        padding: 40px 24px;
        transition: left 0.35s ease;
        box-shadow: var(--shadow-lg);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        font-size: 1.15rem;
        padding: 12px 24px;
        width: 100%;
        text-align: center;
    }
    
    /* Add CTA button inside drawer menu for mobile users */
    .nav-menu::after {
        content: "Ücretsiz Ön Kayıt Oluştur";
        display: inline-block;
        margin-top: 20px;
        padding: 14px 32px;
        background: var(--gradient-primary);
        color: #ffffff;
        font-weight: 700;
        border-radius: 30px;
        box-shadow: 0 4px 15px rgba(0, 168, 150, 0.4);
        cursor: pointer;
    }

    .badge-top-right, .badge-bottom-left {
        position: static;
        margin-top: 10px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* Mobile Devices (Smartphones <= 768px) */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .section {
        padding: 60px 0;
    }

    .navbar {
        padding: 10px 0;
    }

    .nav-container {
        padding: 0 16px;
    }

    .brand-svg-icon {
        height: 36px;
    }

    .brand-title {
        font-size: 1.25rem;
    }

    .brand-subtitle {
        font-size: 0.58rem;
    }

    .hero {
        padding: 120px 0 60px 0;
    }

    .hero-title {
        font-size: 2.1rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }

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

    /* Hero Stats Mobile Cards Fix (Prevents 'Max 8' text splitting) */
    .hero-stats {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        padding-top: 20px;
    }

    .stat-divider {
        display: none;
    }

    .stat-item {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        background: var(--bg-card);
        padding: 14px 20px;
        border-radius: var(--radius-md);
        border: 1px solid var(--border-color);
        box-shadow: var(--shadow-sm);
    }

    .stat-number {
        font-size: 1.45rem;
        white-space: nowrap;
    }

    .stat-label {
        font-size: 0.88rem;
        text-align: right;
        white-space: nowrap;
    }

    .robot-card {
        padding: 24px 16px;
    }

    .robot-tabs {
        flex-direction: column;
        gap: 8px;
    }

    .robot-tab {
        width: 100%;
        text-align: center;
    }

    .result-box {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-right: 0;
        padding-bottom: 20px;
    }

    .contact-form-card {
        padding: 24px 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .modal-container {
        padding: 28px 20px;
        width: 95%;
    }
}

/* Extra Small Phones (<= 480px) */
@media (max-width: 480px) {
    .brand-subtitle {
        display: none; /* Hide long subtitle on extra tiny phones to give space to toggle buttons */
    }
    .brand-title {
        font-size: 1.2rem;
    }
    .hero-badge {
        font-size: 0.75rem;
        padding: 4px 12px;
    }
}