/**
 * OTO MAS YON - ALFADİZAYN
 * Tema ile birebir aynı yapı, sadece renk farklı
 */

:root {
    --bg: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-card: #ffffff;
    --text: #1a1a1a;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --border: #e5e7eb;
    --border-hover: #d1d5db;
    --accent: #9A192D;
    --accent-hover: #7A1424;
}

[data-theme="dark"] {
    --bg: #0f0f0f;
    --bg-secondary: #171717;
    --bg-card: #1a1a1a;
    --text: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --border: #27272a;
    --border-hover: #3f3f46;
    --accent: #9A192D;
    --accent-hover: #C42038;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: background 0.3s, color 0.3s;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== HEADER ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.1rem;
}

.logo-box {
    width: 34px;
    height: 34px;
    background: var(--accent);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    line-height: 0.9;
}

.logo-box span {
    font-size: 7px;
    font-weight: 800;
    color: white;
    letter-spacing: 0.02em;
}

.logo-text-img {
    height: 33px;
    width: auto;
}

[data-theme="dark"] .logo-text-img {
    filter: brightness(0) invert(1);
}

.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: 0.2s;
}

.nav-link:hover, .nav-link.active {
    color: var(--text);
    background: var(--bg-secondary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.theme-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text);
    cursor: pointer;
}

[data-theme="dark"] .theme-toggle .fa-moon { display: none; }
[data-theme="light"] .theme-toggle .fa-sun { display: none; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 0.875rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: 0.2s;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
}

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

.btn-secondary:hover {
    background: var(--bg-secondary);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 0.95rem;
}

/* ========== HERO ========== */
.hero {
    padding: 120px 0 80px;
    background: var(--bg);
}

.hero-content {
    max-width: 700px;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 12px;
}

/* ========== SECTION ========== */
.section {
    padding: 80px 0;
}

.section-header {
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.section-header p {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 600px;
}

/* ========== SERVICES GRID ========== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 32px;
    transition: 0.2s;
}

.service-card:hover {
    border-color: var(--accent);
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-features {
    list-style: none;
    margin-bottom: 24px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 6px 0;
}

.service-features li::before {
    content: "✓";
    color: var(--accent);
    font-weight: 700;
}

.service-price {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 20px;
}

.service-price .amount {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
}

.service-price .currency {
    font-size: 1rem;
    color: var(--text-muted);
}

.service-price .period {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ========== STEPS ========== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.step {
    text-align: center;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--accent);
    color: white;
    font-size: 1.25rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.step h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

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

/* ========== CTA ========== */
.cta {
    padding: 48px 0;
    background: #1a1a1a;
    text-align: center;
}

[data-theme="dark"] .cta {
    background: #0a0a0a;
}

.cta h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 8px;
}

.cta p {
    font-size: 1rem;
    color: #a1a1aa;
    margin-bottom: 24px;
}

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

.cta .btn-primary:hover {
    background: var(--accent-hover);
}

/* ========== FOOTER ========== */
.footer {
    padding: 60px 0 0;
    background: #0f0f0f;
    position: relative;
}

[data-theme="light"] .footer {
    background: #1a1a1a;
}

.footer-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.footer-shape {
    position: absolute;
    border: 1px solid rgba(255,255,255,0.05);
}

.footer-shape-1 {
    width: 300px;
    height: 300px;
    top: -100px;
    right: -50px;
}

.footer-shape-2 {
    width: 200px;
    height: 200px;
    top: 50%;
    left: -100px;
    transform: rotate(45deg);
}

.footer-shape-3 {
    width: 150px;
    height: 150px;
    bottom: 100px;
    right: 20%;
    background: rgba(154,25,45,0.03);
    border-color: rgba(154,25,45,0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    position: relative;
    z-index: 1;
}

.footer-brand .logo-text-img {
    filter: brightness(0) invert(1);
}

.footer-brand p {
    font-size: 0.9rem;
    color: #a1a1aa;
    margin-top: 16px;
    line-height: 1.8;
}

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 24px;
}

.social-link {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: #a1a1aa;
    font-size: 1rem;
    transition: 0.3s;
}

.social-link:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.footer-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #ffffff;
    margin-bottom: 20px;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 12px; }

.footer-links a {
    font-size: 0.9rem;
    color: #a1a1aa;
    transition: 0.2s;
}

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

.footer-newsletter-section {
    margin-top: 40px;
    position: relative;
    z-index: 1;
}

.footer-newsletter {
    background: linear-gradient(135deg, var(--accent) 0%, #7A1424 100%);
    padding: 24px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-newsletter-text {
    display: flex;
    align-items: center;
    gap: 16px;
    color: white;
}

.footer-newsletter-text i { font-size: 1.5rem; opacity: 0.9; }
.footer-newsletter-text h4 { font-size: 1rem; font-weight: 700; margin-bottom: 2px; }
.footer-newsletter-text p { font-size: 0.8rem; opacity: 0.85; }

.footer-newsletter-form { display: flex; gap: 0; }

.footer-newsletter-input {
    padding: 12px 16px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.2);
    border-right: none;
    font-size: 0.85rem;
    color: white;
    outline: none;
    min-width: 240px;
}

.footer-newsletter-input::placeholder { color: rgba(255,255,255,0.7); }

.footer-newsletter-btn {
    padding: 12px 24px;
    background: white;
    color: var(--accent);
    border: none;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.85rem;
    color: #71717a;
    flex-wrap: wrap;
    gap: 16px;
    position: relative;
    z-index: 1;
}

.footer-bottom a {
    color: var(--accent);
}

.footer-payments {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-payments img {
    height: 24px;
    opacity: 0.6;
    filter: grayscale(1) brightness(2);
    transition: 0.3s;
}

.footer-payments img:hover {
    opacity: 1;
}

.footer-legal {
    display: flex;
    gap: 16px;
}

.footer-legal a {
    color: #71717a;
}

.footer-legal a:hover {
    color: var(--accent);
}

/* ========== FORMS ========== */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.875rem;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    outline: none;
    transition: 0.2s;
}

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

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* ========== ALERTS ========== */
.alert {
    padding: 16px 20px;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
}

/* ========== CARDS ========== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.card-header h2 {
    font-size: 1rem;
    font-weight: 600;
}

.card-body {
    padding: 24px;
}

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

@media (max-width: 768px) {
    .nav { display: none; }
    .hero h1 { font-size: 2rem; }
    .hero { padding: 100px 0 60px; }
    .section { padding: 60px 0; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-newsletter { flex-direction: column; text-align: center; }
    .footer-newsletter-form { width: 100%; }
    .footer-newsletter-input { flex: 1; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .steps-grid { grid-template-columns: 1fr; }
}