/* styles.css - Corporate Premium Design System for vegayatirim.org */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Sora:wght@400;500;600;700;800&display=swap');

:root {
    /* Fonts */
    --font-heading: 'Sora', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Light Theme (Default Corporate Institutional) */
    --bg-main: #ffffff;
    --bg-surface: #f8fafc;
    --bg-card: #ffffff;
    --bg-dark: #0c1a27;
    --bg-dark-accent: #1e3a52;
    
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --text-light: #ffffff;
    --text-light-muted: #94a3b8;

    --border-color: #e2e8f0;
    --border-color-hover: #cbd5e1;

    --accent-primary: #059669; /* Emerald */
    --accent-primary-hover: #047857;
    --accent-secondary: #d97706; /* Amber */
    --accent-secondary-hover: #b45309;

    --nav-bg: rgba(255, 255, 255, 0.9);
    --footer-bg: #0c1a27;
    --footer-border: #1e293b;

    /* Shadow and Glow */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.03);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.05), 0 4px 6px -2px rgba(0,0,0,0.03);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.07), 0 10px 10px -5px rgba(0,0,0,0.04);
    
    --glow-emerald: 0 0 15px rgba(5, 150, 105, 0.15);

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    --transition-fast: 0.15s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Overrides */
[data-theme="dark"] {
    --bg-main: #0b0f19;
    --bg-surface: #111827;
    --bg-card: #1f2937;
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;

    --border-color: #374151;
    --border-color-hover: #4b5563;

    --nav-bg: rgba(11, 15, 25, 0.9);
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.4);
}

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

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.65;
    overflow-x: hidden;
    transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

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

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

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

/* Typography styling */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: inherit;
    line-height: 1.25;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 7rem 0;
    position: relative;
}

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

.section-dark {
    background-color: var(--bg-dark);
    color: var(--text-light);
}

.section-dark h2, .section-dark h3, .section-dark h4 {
    color: var(--text-light);
}

/* Grid helper utilities */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

/* Flex utilities */
.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--nav-bg);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(8px);
    transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
}

.nav-wrapper {
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    height: 48px;
    width: auto;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-text span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.2rem;
}

nav ul {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    list-style: none;
}

.nav-link {
    font-weight: 500;
    font-size: 0.925rem;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Language Switcher */
.lang-selector {
    display: flex;
    align-items: center;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.lang-selector:hover {
    border-color: var(--accent-primary);
}

/* Theme Switcher Button */
.theme-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color var(--transition-fast), color var(--transition-fast);
}

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

/* Mobile Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    border: none;
    background: none;
    padding: 5px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: transform var(--transition-smooth), opacity var(--transition-smooth);
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -100px;
    left: 20px;
    background: var(--accent-primary);
    color: white;
    padding: 8px 16px;
    border-radius: 0 0 4px 4px;
    z-index: 9999;
}
.skip-link:focus {
    top: 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--accent-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--accent-secondary);
    color: #ffffff;
}

.btn-secondary:hover {
    background-color: var(--accent-secondary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background-color: rgba(5, 150, 105, 0.05);
}

.btn-outline-light {
    background-color: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--text-light);
}

.btn-outline-light:hover {
    border-color: var(--text-light);
    background-color: rgba(255, 255, 255, 0.1);
}

/* Typography utilities */
.eyebrow {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-primary);
    margin-bottom: 0.75rem;
    display: inline-block;
}

.eyebrow-amber {
    color: var(--accent-secondary);
}

.section-title {
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    max-width: 700px;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 650px;
}

/* Cards & Containers */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--border-color-hover);
    box-shadow: var(--shadow-lg);
}

/* Hero Component - Split Design with Glassmorphism Overlays */
.hero-sec {
    padding-top: 140px;
    padding-bottom: 120px;
    background-color: var(--bg-dark);
    color: var(--text-light);
    position: relative;
    overflow: hidden;
}

.hero-sec::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background-image: radial-gradient(circle at 70% 30%, rgba(5, 150, 105, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

/* Decorative dot grid */
.dot-grid {
    position: absolute;
    width: 200px;
    height: 200px;
    background-image: radial-gradient(rgba(255, 255, 255, 0.15) 2px, transparent 2px);
    background-size: 20px 20px;
    pointer-events: none;
}

.hero-dots-1 {
    top: 10%;
    left: 5%;
}

.hero-dots-2 {
    bottom: 15%;
    right: 5%;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    color: #ffffff;
}

.hero-content h1 span.gradient-text {
    background: linear-gradient(135deg, #34d399 0%, #059669 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.15rem;
    color: var(--text-light-muted);
    margin-bottom: 2.5rem;
    line-height: 1.7;
    max-width: 580px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-img-container {
    position: relative;
    width: 100%;
    height: 480px;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.hero-glass-badge {
    position: absolute;
    bottom: 24px;
    left: 24px;
    background: rgba(12, 26, 39, 0.75);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.25rem;
    border-radius: var(--radius-md);
    color: white;
    max-width: 280px;
    box-shadow: var(--shadow-xl);
}

.hero-glass-badge h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: #ffffff;
}

.hero-glass-badge p {
    font-size: 0.825rem;
    color: var(--text-light-muted);
    line-height: 1.4;
    margin-bottom: 0;
}

/* Diagonal clip path visual dividers */
.divider-diagonal {
    position: relative;
    height: 60px;
    width: 100%;
    background-color: var(--bg-dark);
    margin-top: -1px;
}

.divider-diagonal svg {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    fill: var(--bg-main);
}

.divider-diagonal.to-dark svg {
    fill: var(--bg-dark);
    transform: rotate(180deg);
}

/* Stat Counters Section */
.stats-bar {
    margin-top: -40px;
    position: relative;
    z-index: 10;
}

.stats-grid {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    box-shadow: var(--shadow-lg);
}

.stat-item {
    text-align: center;
    border-right: 1px solid var(--border-color);
}

.stat-item:last-child {
    border-right: none;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    font-weight: 800;
    color: var(--accent-primary);
    line-height: 1.1;
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.stat-number span {
    font-variant-numeric: tabular-nums;
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Services Grid Component */
.service-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background-color: rgba(5, 150, 105, 0.1);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon svg {
    width: 24px;
    height: 24px;
}

.card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
    letter-spacing: -0.01em;
}

.card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.card-link {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent-primary);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.card-link:hover {
    color: var(--accent-primary-hover);
}

.card-link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.card-link:hover svg {
    transform: translateX(4px);
}

/* Interactive Carbon Appraiser Component */
.appraiser-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
}

.appraiser-form {
    padding: 3rem;
    border-right: 1px solid var(--border-color);
}

.appraiser-output {
    padding: 3rem;
    background-color: var(--bg-surface);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.form-group {
    margin-bottom: 1.75rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.form-select, .form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition-fast);
}

.form-select:focus, .form-input:focus {
    border-color: var(--accent-primary);
}

.range-slider-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.form-range {
    flex-grow: 1;
    height: 6px;
    background: var(--border-color);
    border-radius: var(--radius-full);
    outline: none;
    -webkit-appearance: none;
}

.form-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: var(--radius-full);
    background: var(--accent-primary);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast);
}

.form-range::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.range-value {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    color: var(--accent-primary);
    min-width: 60px;
    text-align: right;
}

/* Custom Gauge Chart SVG */
.gauge-chart {
    position: relative;
    width: 200px;
    height: 120px;
    margin-bottom: 1.5rem;
}

.gauge-svg {
    width: 200px;
    height: 200px;
}

.gauge-bg {
    fill: none;
    stroke: var(--border-color);
    stroke-width: 14;
    stroke-linecap: round;
}

.gauge-fill {
    fill: none;
    stroke: var(--accent-primary);
    stroke-width: 14;
    stroke-linecap: round;
    stroke-dasharray: 565.48; /* Circumference */
    stroke-dashoffset: 565.48; /* Dynamic */
    transition: stroke-dashoffset 0.8s ease-out;
}

.gauge-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    text-align: center;
}

.gauge-number {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.gauge-unit {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
}

.appraiser-badge {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.appraiser-badge.good {
    background-color: rgba(5, 150, 105, 0.1);
    color: var(--accent-primary);
}

.appraiser-badge.warning {
    background-color: rgba(217, 119, 6, 0.1);
    color: var(--accent-secondary);
}

.appraiser-badge.danger {
    background-color: rgba(220, 38, 38, 0.1);
    color: #dc2626;
}

.appraiser-message {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

/* Tabs & Frameworks Component */
.tabs-container {
    margin-top: 3rem;
}

.tabs-nav {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2.5rem;
    gap: 1.5rem;
}

.tab-btn {
    padding: 1rem 0;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    animation: fadeIn 0.4s ease-out;
}

.tab-left h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.tab-left p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.65;
}

.tab-features {
    list-style: none;
    margin-bottom: 2rem;
}

.tab-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.tab-features li svg {
    width: 20px;
    height: 20px;
    color: var(--accent-primary);
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.tab-right-box {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

.tab-right-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--accent-primary);
}

/* Timeline component (Approach) */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 4rem auto 0;
    padding-left: 2rem;
    border-left: 2px solid var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 3.5rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: calc(-2rem - 9px);
    top: 5px;
    width: 16px;
    height: 16px;
    border-radius: var(--radius-full);
    background-color: var(--bg-main);
    border: 3px solid var(--accent-primary);
    transition: background-color var(--transition-fast);
}

.timeline-item:hover .timeline-dot {
    background-color: var(--accent-primary);
}

.timeline-num {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.35rem;
    display: block;
}

.timeline-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.timeline-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Blog / Insights Section */
.blog-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.blog-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-color-hover);
    box-shadow: var(--shadow-lg);
}

.blog-img-box {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.blog-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-smooth);
}

.blog-card:hover .blog-img {
    transform: scale(1.05);
}

.blog-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background-color: var(--bg-dark);
    color: white;
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.blog-body {
    padding: 1.75rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.blog-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.blog-body h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    line-height: 1.35;
}

.blog-body p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

/* Contact Details & Info */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-card {
    padding: 2.5rem;
}

.contact-form-box {
    margin-top: 1.5rem;
}

.contact-form-box input, .contact-form-box select, .contact-form-box textarea {
    width: 100%;
    padding: 0.85rem 1.1rem;
    margin-bottom: 1.25rem;
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition-fast);
}

.contact-form-box input:focus, .contact-form-box select:focus, .contact-form-box textarea:focus {
    border-color: var(--accent-primary);
}

.contact-form-box textarea {
    height: 150px;
    resize: none;
}

.contact-info-list {
    margin-top: 2rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.info-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background-color: rgba(5, 150, 105, 0.1);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-content h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.info-content p {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.5;
}

.office-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.office-tab-btn {
    padding: 0.5rem 1rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.office-tab-btn.active {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.office-pane {
    display: none;
}

.office-pane.active {
    display: block;
    animation: fadeIn 0.4s ease-out;
}

/* Call to Action Banner */
.cta-sec {
    background-color: var(--bg-dark);
    color: white;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.cta-sec::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 10% 80%, rgba(5, 150, 105, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

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

.cta-content h2 {
    font-size: clamp(2rem, 3.5vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.05rem;
    color: var(--text-light-muted);
    margin-bottom: 2.25rem;
    line-height: 1.6;
}

/* Footer Section */
footer {
    background-color: var(--footer-bg);
    color: var(--text-light-muted);
    border-top: 1px solid var(--footer-border);
    padding: 5rem 0 2rem;
    font-size: 0.9rem;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    margin-top: 1.25rem;
    line-height: 1.6;
}

.footer-col h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1.5rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 0.75rem;
}

.footer-col li a {
    color: var(--text-light-muted);
    transition: color var(--transition-fast);
}

.footer-col li a:hover {
    color: white;
}

.footer-col.contact-col p {
    margin-bottom: 1rem;
    line-height: 1.5;
}

/* Red placeholder text inside contact/legal */
.red-placeholder {
    color: #fca5a5; /* Visible red contrast on dark bg */
    font-weight: 600;
}

.footer-bottom {
    border-top: 1px solid var(--footer-border);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-legal-links {
    display: flex;
    gap: 1.5rem;
}

.footer-legal-links a:hover {
    color: white;
}

/* Sub-page Hero Section styles */
.sub-hero {
    padding-top: 160px;
    padding-bottom: 80px;
    background-color: var(--bg-dark);
    color: white;
    position: relative;
    overflow: hidden;
}

.sub-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(to bottom, rgba(12, 26, 39, 0.4) 0%, #0c1a27 100%);
    z-index: 1;
}

.sub-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.25;
}

.sub-hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.sub-hero-content h1 {
    font-size: clamp(2.25rem, 4.5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.sub-hero-content p {
    font-size: 1.15rem;
    color: var(--text-light-muted);
    line-height: 1.6;
}

/* Specific Page: About Layout */
.about-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

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

.team-img-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.team-card h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.team-card p {
    font-size: 0.85rem;
    color: var(--accent-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Specific Page: Grants Incentives Directory Table */
.grants-table-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow-x: auto;
    margin-top: 3rem;
}

.grants-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.95rem;
}

.grants-table th, .grants-table td {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.grants-table th {
    background-color: var(--bg-surface);
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--text-primary);
}

.grants-table tr:last-child td {
    border-bottom: none;
}

.grants-table tr:hover td {
    background-color: rgba(5, 150, 105, 0.02);
}

.grant-tag {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.grant-tag.eu {
    background-color: rgba(30, 58, 138, 0.1);
    color: #1e3a8a;
}

.grant-tag.tr {
    background-color: rgba(220, 38, 38, 0.1);
    color: #dc2626;
}

.grant-tag.green {
    background-color: rgba(5, 150, 105, 0.1);
    color: var(--accent-primary);
}

/* Single Blog Post Layout */
.blog-post-container {
    max-width: 800px;
    margin: 0 auto;
}

.post-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.post-content h2, .post-content h3 {
    margin: 2rem 0 1rem;
}

.post-content p {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.post-content ul, .post-content ol {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

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

.post-content blockquote {
    border-left: 4px solid var(--accent-primary);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    font-size: 1.15rem;
    color: var(--text-primary);
}

/* Scroll reveal helper class */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Fade in animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Language elements switching display system */
html[lang="en"] .lang-tr, html[lang="en"] .lang-ru { display: none !important; }
html[lang="tr"] .lang-en, html[lang="tr"] .lang-ru { display: none !important; }
html[lang="ru"] .lang-en, html[lang="ru"] .lang-tr { display: none !important; }

/* Responsive adjustments */
@media (max-width: 1024px) {
    .grid-3 {
        grid-template-columns: 1fr 1fr;
    }
    
    .grid-4 {
        grid-template-columns: 1fr 1fr;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 5rem 0;
    }

    .grid-2 {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }

    .hero-sec {
        padding-top: 120px;
        padding-bottom: 80px;
    }

    .hero-img-container {
        height: 320px;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }

    .stat-item {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 1rem;
    }

    .stat-item:nth-child(3), .stat-item:nth-child(4) {
        border-bottom: none;
    }

    .appraiser-card {
        grid-template-columns: 1fr;
    }

    .appraiser-form {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 2rem;
    }

    .appraiser-output {
        padding: 2rem;
    }

    .tab-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .tab-right-box {
        padding: 2rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    /* Mobile Nav Burger Menu Toggle */
    .hamburger {
        display: flex;
    }

    nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-main);
        border-top: 1px solid var(--border-color);
        transition: left 0.3s ease;
        padding: 3rem 2rem;
        box-shadow: var(--shadow-lg);
    }

    nav.active {
        left: 0;
    }

    nav ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 2rem;
    }

    .nav-actions {
        margin-top: 2.5rem;
        justify-content: flex-start;
        width: 100%;
    }

    /* Animated Hamburger active state */
    .hamburger.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

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

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

    .footer-top {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .footer-legal-links {
        justify-content: center;
        flex-wrap: wrap;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

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

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

    .stat-item {
        border-bottom: 1px solid var(--border-color);
    }

    .stat-item:last-child {
        border-bottom: none;
    }

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