/* =============================================================================
   Multi-Tenant CMS — Default Tema Stilleri
   Tasarım: Modern, dönüşüm odaklı yerel hizmet sitesi
   Font: Google Fonts — Inter
   Renk Paleti: Koyu arkaplan + İndigo vurgu
   ============================================================================= */

/* ---- Google Fonts ---------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ---- Tasarım Sistemi (CSS Custom Properties) ------------------------------- */
:root {
    /* Renkler */
    --color-bg:          #0a0f1e;
    --color-surface:     #111827;
    --color-surface-2:   #1f2937;
    --color-border:      rgba(255,255,255,0.08);
    --color-border-focus:rgba(99,102,241,0.6);

    --color-primary:     #6366f1;   /* İndigo */
    --color-primary-h:   #818cf8;
    --color-primary-d:   #4f46e5;
    --color-secondary:   #0ea5e9;   /* Gökyüzü mavisi */
    --color-accent:      #f59e0b;   /* Amber */

    --color-text:        #f1f5f9;
    --color-text-muted:  #94a3b8;
    --color-text-subtle: #475569;

    --color-success:     #10b981;
    --color-danger:      #ef4444;

    /* Gradyanlar */
    --grad-primary: linear-gradient(135deg, #6366f1, #8b5cf6);
    --grad-hero:    linear-gradient(160deg, #0a0f1e 0%, #111827 50%, #0c1430 100%);
    --grad-card:    linear-gradient(145deg, rgba(99,102,241,0.08), rgba(139,92,246,0.04));
    --grad-glow:    radial-gradient(circle at 50% 50%, rgba(99,102,241,0.15) 0%, transparent 70%);

    /* Tipografi */
    --font-base:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl:1.5rem;
    --font-size-3xl:1.875rem;
    --font-size-4xl:2.25rem;
    --font-size-5xl:3rem;
    --font-size-6xl:3.75rem;

    /* Boşluklar */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10:2.5rem;
    --space-12:3rem;
    --space-16:4rem;
    --space-20:5rem;
    --space-24:6rem;

    /* Kenar Yuvarlaklığı */
    --radius-sm:  0.375rem;
    --radius-md:  0.75rem;
    --radius-lg:  1rem;
    --radius-xl:  1.5rem;
    --radius-2xl: 2rem;
    --radius-full:9999px;

    /* Gölgeler */
    --shadow-sm:  0 1px 2px rgba(0,0,0,0.4);
    --shadow-md:  0 4px 16px rgba(0,0,0,0.5);
    --shadow-lg:  0 8px 32px rgba(0,0,0,0.6);
    --shadow-glow:0 0 40px rgba(99,102,241,0.3);

    /* Geçişler */
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --container-max: 1200px;
    --nav-height: 72px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-base);
    font-size: var(--font-size-md);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, video {
    max-width: 100%;
    display: block;
}

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

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

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

/* ---- Layout Yardımcıları --------------------------------------------------- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 10px var(--space-6);
}

@media (max-width: 768px) {
    .container { padding: var(--space-4); }
}

.section-padding {
    padding: var(--space-20) 0;
}

@media (max-width: 768px) {
    .section-padding { padding: var(--space-12) 0; }
}

/* ---- Tipografi Yardımcıları ------------------------------------------------ */
.section-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-primary-h);
    margin-bottom: var(--space-4);
}

.section-label::before {
    content: '';
    display: block;
    width: 24px;
    height: 2px;
    background: var(--grad-primary);
    border-radius: var(--radius-full);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.section-desc {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    max-width: 600px;
    line-height: 1.7;
}

@media (max-width: 768px) {
    .section-title { font-size: var(--font-size-3xl); }
    .section-desc  { font-size: var(--font-size-md); }
}

/* ---- Butonlar -------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0);
    transition: background var(--transition-fast);
}

.btn:hover::after {
    background: rgba(255,255,255,0.08);
}

.btn-primary {
    background: var(--grad-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(99,102,241,0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(99,102,241,0.5);
}

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

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-h);
    background: rgba(99,102,241,0.08);
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25d366, #128c7e);
    color: white;
    box-shadow: 0 4px 20px rgba(37,211,102,0.35);
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(37,211,102,0.45);
}

.btn-phone {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    box-shadow: 0 4px 20px rgba(245,158,11,0.35);
}

.btn-phone:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(245,158,11,0.45);
}

/* ---- Navigasyon ------------------------------------------------------------ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    background: rgba(10,15,30,0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition);
}

.navbar.scrolled {
    background: rgba(10,15,30,0.97);
    box-shadow: var(--shadow-md);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav-logo {
    font-size: var(--font-size-xl);
    font-weight: 800;
    letter-spacing: -0.03em;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-mobile-only {
    display: none !important;
}

.nav-links a {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
    position: relative;
}

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

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

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

.nav-cta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.nav-phone {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-accent);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    transition: opacity var(--transition-fast);
}

.nav-phone:hover { opacity: 0.8; }

/* Hamburger (mobile) */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    cursor: pointer;
}

.nav-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: var(--radius-full);
    transition: transform var(--transition), opacity var(--transition);
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: rgba(10,15,30,0.98);
        border-bottom: 1px solid var(--color-border);
        padding: var(--space-4) 0;
        transform: translateY(-105%);
        transition: transform var(--transition);
        z-index: 999;
    }

    .nav-links.open { transform: translateY(0); }

    .nav-links a {
        padding: var(--space-4) var(--space-6);
        width: 100%;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-hamburger { display: flex; }
    .nav-cta .btn  { display: none; }
}

/* ---- Hero Bölümü ----------------------------------------------------------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: var(--grad-hero);
    padding-top: var(--nav-height);
}

/* Arkaplan dekorasyon */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 20% 40%, rgba(99,102,241,0.12) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(14,165,233,0.08) 0%, transparent 60%);
    pointer-events: none;
}

/* Grid desen */
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(99,102,241,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99,102,241,0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 780px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(99,102,241,0.15);
    border: 1px solid rgba(99,102,241,0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-primary-h);
    margin-bottom: var(--space-6);
    animation: fadeInDown 0.6s ease both;
}

.hero-badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero h1 {
    font-size: var(--font-size-6xl);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.7s ease 0.1s both;
}

.hero h1 .highlight {
    background: var(--grad-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-muted);
    line-height: 1.65;
    margin-bottom: var(--space-10);
    max-width: 600px;
    animation: fadeInUp 0.7s ease 0.2s both;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-wrap: wrap;
    animation: fadeInUp 0.7s ease 0.3s both;
}

.hero-stats {
    display: flex;
    gap: var(--space-8);
    margin-top: var(--space-16);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
    animation: fadeInUp 0.7s ease 0.4s both;
}

.hero-stat-num {
    font-size: var(--font-size-3xl);
    font-weight: 900;
    color: var(--color-text);
    letter-spacing: -0.03em;
}

.hero-stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

@media (max-width: 768px) {
    .hero h1            { font-size: var(--font-size-4xl); }
    .hero-subtitle      { font-size: var(--font-size-lg); }
    .hero-stats         { gap: var(--space-6); }
    .hero-stat-num      { font-size: var(--font-size-2xl); }
    .hero-actions .btn  { width: 100%; }
}

/* ---- Hizmetler Grid -------------------------------------------------------- */
.services {
    background: var(--color-surface);
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99,102,241,0.06) 0%, transparent 70%);
    pointer-events: none;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-12);
}

.service-card {
    background: var(--grad-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    position: relative;
    transition: all var(--transition);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--grad-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(99,102,241,0.3);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(99,102,241,0.1);
}

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

.service-icon {
    width: 56px;
    height: 56px;
    background: rgba(99,102,241,0.12);
    border: 1px solid rgba(99,102,241,0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: var(--space-5);
    transition: all var(--transition);
}

.service-card:hover .service-icon {
    background: rgba(99,102,241,0.2);
    transform: scale(1.05);
}

.service-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-3);
}

.service-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ---- Hizmet Bölgeleri ------------------------------------------------------ */
.areas {
    background: var(--color-bg);
    position: relative;
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--space-3);
    margin-top: var(--space-12);
}

.area-tag {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-5);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    transition: all var(--transition);
}

.area-tag::before {
    content: '📍';
    font-size: 0.9rem;
    flex-shrink: 0;
}

.area-tag:hover {
    border-color: rgba(99,102,241,0.4);
    color: var(--color-text);
    background: rgba(99,102,241,0.08);
    transform: translateY(-2px);
}

/* ---- Hakkımızda / Avantajlar ----------------------------------------------- */
.about {
    background: var(--color-surface);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.about-text .section-desc {
    margin-top: var(--space-4);
    max-width: 100%;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-top: var(--space-8);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-5);
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}

.feature-item:hover {
    border-color: rgba(99,102,241,0.3);
    background: rgba(99,102,241,0.05);
}

.feature-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-text strong {
    display: block;
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-1);
}

.feature-text span {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.about-visual {
    position: relative;
}

.about-card-stack {
    position: relative;
    padding: var(--space-8);
}

.about-main-card {
    background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(139,92,246,0.08));
    border: 1px solid rgba(99,102,241,0.2);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    text-align: center;
}

.about-main-num {
    font-size: 5rem;
    font-weight: 900;
    letter-spacing: -0.04em;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.about-main-label {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-top: var(--space-2);
}

.about-floating-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    justify-content: center;
    margin-top: var(--space-6);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-muted);
}

.badge.green  { border-color: rgba(16,185,129,0.3); color: #34d399; background: rgba(16,185,129,0.08); }
.badge.blue   { border-color: rgba(14,165,233,0.3); color: #38bdf8; background: rgba(14,165,233,0.08); }
.badge.amber  { border-color: rgba(245,158,11,0.3); color: #fcd34d; background: rgba(245,158,11,0.08); }

@media (max-width: 900px) {
    .about-grid { grid-template-columns: 1fr; }
    .about-visual { display: none; }
}

/* ---- İletişim -------------------------------------------------------------- */
.contact {
    background: var(--color-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    margin-top: var(--space-12);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-5);
    padding: var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition);
}

.contact-item:hover {
    border-color: rgba(99,102,241,0.3);
    transform: translateX(4px);
}

.contact-item-icon {
    width: 48px;
    height: 48px;
    background: rgba(99,102,241,0.12);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-item-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-subtle);
    margin-bottom: var(--space-1);
}

.contact-item-value {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
}

.contact-item-value a {
    color: inherit;
    transition: color var(--transition-fast);
}

.contact-item-value a:hover { color: var(--color-primary-h); }

/* İletişim formu */
.contact-form {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
}

.form-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-6);
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.875rem var(--space-4);
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: var(--font-size-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-subtle);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}

.form-textarea {
    min-height: 130px;
    resize: vertical;
}

@media (max-width: 768px) {
    .contact-grid { grid-template-columns: 1fr; }
}

/* ---- CTA Bant -------------------------------------------------------------- */
.cta-band {
    background: linear-gradient(135deg, rgba(99,102,241,0.15) 0%, rgba(139,92,246,0.1) 100%);
    border-top: 1px solid rgba(99,102,241,0.2);
    border-bottom: 1px solid rgba(99,102,241,0.2);
    padding: var(--space-16) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-band::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(99,102,241,0.12) 0%, transparent 70%);
    pointer-events: none;
}

.cta-band h2 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-4);
    position: relative;
}

.cta-band p {
    color: var(--color-text-muted);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-8);
    position: relative;
}

.cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
    position: relative;
}

/* ---- Footer ---------------------------------------------------------------- */
.footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-10);
    margin-bottom: var(--space-12);
}

.footer-logo {
    font-size: var(--font-size-xl);
    font-weight: 800;
    letter-spacing: -0.03em;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-4);
}

.footer-about {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social a {
    width: 38px;
    height: 38px;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all var(--transition);
}

.footer-social a:hover {
    border-color: var(--color-primary);
    background: rgba(99,102,241,0.12);
    transform: translateY(-2px);
}

.footer-col-title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-5);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

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

.footer-links a::before {
    content: '→';
    font-size: 0.75rem;
    color: var(--color-primary);
    opacity: 0;
    transform: translateX(-4px);
    transition: all var(--transition-fast);
}

.footer-links a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
    font-size: var(--font-size-xs);
    color: var(--color-text-subtle);
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer-hours {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-xs);
}

.hours-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--color-success);
    animation: pulse 2s infinite;
}

@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
}

@media (max-width: 640px) {
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

/* ---- WhatsApp Floating Butonu ---------------------------------------------- */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 900;
    width: 58px;
    height: 58px;
    background: linear-gradient(135deg, #25d366, #128c7e);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37,211,102,0.5);
    transition: all var(--transition);
    animation: fadeInUp 0.5s ease 0.8s both;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37,211,102,0.6);
}

.whatsapp-float svg {
    width: 28px;
    height: 28px;
    fill: white;
}

.whatsapp-float-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: rgba(37,211,102,0.4);
    animation: whatsapp-pulse 2s ease-out infinite;
}

/* ---- Sayfa Özel Stiller: Hizmetler ---------------------------------------- */
.page-header {
    padding: calc(var(--nav-height) + var(--space-16)) 0 var(--space-16);
    background: var(--grad-hero);
    border-bottom: 1px solid var(--color-border);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(99,102,241,0.1) 0%, transparent 70%);
    pointer-events: none;
}

.page-header h1 {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-4);
    position: relative;
}

.page-header p {
    font-size: var(--font-size-xl);
    color: var(--color-text-muted);
    max-width: 560px;
    margin: 0 auto;
    position: relative;
}

@media (max-width: 768px) {
    .page-header h1 { font-size: var(--font-size-4xl); }
    .page-header p  { font-size: var(--font-size-lg); }
}

/* ---- Breadcrumb ------------------------------------------------------------ */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-subtle);
    margin-bottom: var(--space-6);
    justify-content: center;
}

.breadcrumb a {
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.breadcrumb a:hover { color: var(--color-text); }

.breadcrumb-sep {
    color: var(--color-text-subtle);
}

/* ---- Animasyonlar ---------------------------------------------------------- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-12px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.5; }
}

@keyframes whatsapp-pulse {
    0%   { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(1.6); opacity: 0; }
}

/* Scroll-reveal animasyonu (JS ile tetiklenir) */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ---- Yardımcılar ----------------------------------------------------------- */
.text-center  { text-align: center; }
.text-gradient {
    background: var(--grad-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.mt-auto      { margin-top: auto; }
.hidden       { display: none !important; }

/* =============================================================================
   MOBİL DUYARLILIK — Kapsamlı Düzeltmeler
   Breakpoints: 900px | 768px | 640px | 480px
   ============================================================================= */

/* ── Genel ── */
@media (max-width: 768px) {
    .container { padding: var(--space-4); }
    .section-padding { padding: var(--space-12) 0; }
    .section-title { font-size: var(--font-size-3xl); }
    .section-desc  { font-size: var(--font-size-md); }
}

/* ── Navigasyon ── */
@media (max-width: 900px) {
    .nav-inner {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        height: 100%;
    }

    .nav-logo {
        font-size: var(--font-size-lg);
        position: relative;
        z-index: 1001; /* Logo da üste çıksın */
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(10, 15, 30, 0.98);
        backdrop-filter: blur(25px);
        -webkit-backdrop-filter: blur(25px);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-6);
        transform: translateX(-100%);
        transition: transform 0.4s cubic-bezier(0.77, 0.2, 0.05, 1.0);
        z-index: 999;
        padding: 0;
        margin: 0;
    }

    .nav-links.open {
        transform: translateX(0);
    }

    .nav-links li {
        width: auto;
        text-align: center;
    }

    .nav-links a {
        font-size: var(--font-size-2xl);
        font-weight: 700;
        color: var(--color-text-muted);
        border: none;
        padding: var(--space-2) var(--space-4);
        display: inline-block;
        width: auto;
        transition: color var(--transition-fast), transform var(--transition-fast);
    }

    .nav-links a:hover,
    .nav-links a.active {
        color: var(--color-text);
        transform: scale(1.05);
    }

    .nav-links a::after {
        display: none; /* Mobilde alt çizgiyi kaldır */
    }

    .nav-mobile-only {
        display: block !important;
        margin-top: var(--space-4);
    }

    .nav-phone-mobile {
        font-size: var(--font-size-xl) !important;
        color: var(--color-accent) !important;
        font-weight: 800 !important;
    }

    .nav-hamburger {
        display: flex;
        position: relative;
        z-index: 1001; /* Hamburger her zaman üstte kalmalı */
    }

    /* Üst menüdeki buton ve telefonları mobilde gizle (artık hepsi full-screen menü içinde) */
    .nav-cta .btn-whatsapp,
    .nav-cta .nav-phone {
        display: none !important;
    }
}

@media (max-width: 480px) {
    /* Çok küçük ekranda telefon de gizle, sadece hamburger kalsın */
    .nav-phone { display: none; }
}

/* ── Hero ── */
@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding-top: calc(var(--nav-height) + var(--space-10));
        padding-bottom: var(--space-12);
    }

    .hero h1 {
        font-size: clamp(1.875rem, 8vw, 3rem); /* Responsive clamp */
        letter-spacing: -0.02em;
    }

    .hero-subtitle {
        font-size: var(--font-size-md);
        margin-bottom: var(--space-8);
    }

    .hero-badge { margin-bottom: var(--space-4); }

    /* Butonlar tam genişlik, dikey sıra */
    .hero-actions {
        flex-direction: column;
        gap: var(--space-3);
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
        padding: 1rem;
    }

    /* İstatistikler: 2x2 grid */
    .hero-stats {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--space-4);
        margin-top: var(--space-10);
        padding-top: var(--space-6);
    }

    .hero-stat {
        background: rgba(255,255,255,0.03);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        padding: var(--space-4);
    }

    .hero-stat-num { font-size: var(--font-size-2xl); }
}

@media (max-width: 480px) {
    .hero h1 { font-size: clamp(1.6rem, 7vw, 2.25rem); }
}

/* ── Hizmetler ── */
@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
        margin-top: var(--space-8);
    }

    .service-card {
        padding: var(--space-6);
    }
}

@media (min-width: 480px) and (max-width: 768px) {
    .services-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Hakkımızda ── */
@media (max-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    /* Görsel paneli gizlemek yerine küçük bir kart göster */
    .about-visual {
        display: block;
    }

    .about-card-stack { padding: 0; }

    .about-main-card {
        padding: var(--space-6);
    }

    .about-main-num { font-size: 3.5rem; }
}

/* ── Hizmet Bölgeleri ── */
@media (max-width: 768px) {
    .areas-grid {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
        gap: var(--space-2);
        margin-top: var(--space-8);
    }

    .area-tag {
        padding: var(--space-3) var(--space-4);
        font-size: var(--font-size-xs);
    }
}

/* ── İletişim ── */
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        margin-top: var(--space-8);
    }

    .contact-form {
        padding: var(--space-6);
        border-radius: var(--radius-lg);
    }

    .contact-item {
        padding: var(--space-4);
    }

    .contact-item-value { font-size: var(--font-size-md); }
}

/* ── CTA Bant ── */
@media (max-width: 768px) {
    .cta-band { padding: var(--space-12) 0; }

    .cta-band h2 {
        font-size: var(--font-size-2xl);
        letter-spacing: -0.01em;
    }

    .cta-band p { font-size: var(--font-size-md); }

    .cta-actions {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-3);
        padding: 0 var(--space-4);
    }

    .cta-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ── Footer ── */
@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .footer {
        padding: var(--space-10) 0 var(--space-6);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: var(--space-2);
    }
}

/* ── WhatsApp Float — iOS Safe Area ── */
.whatsapp-float {
    /* iOS home bar için safe area */
    bottom: calc(28px + env(safe-area-inset-bottom, 0px));
}

@media (max-width: 768px) {
    .whatsapp-float {
        width: 52px;
        height: 52px;
        bottom: calc(20px + env(safe-area-inset-bottom, 0px));
        right: 16px;
    }

    .whatsapp-float svg {
        width: 24px;
        height: 24px;
    }
}

/* ── Sayfa Başlığı (Hizmetler, Bölgeler vb.) ── */
@media (max-width: 768px) {
    .page-header {
        padding: calc(var(--nav-height) + var(--space-10)) 0 var(--space-10);
    }

    .page-header h1 {
        font-size: clamp(1.875rem, 8vw, 3rem);
    }

    .page-header p {
        font-size: var(--font-size-md);
    }
}

/* ── Touch cihazlarda hover kaldır (parmak titremesi önlemi) ── */
@media (hover: none) {
    .btn:hover { transform: none; }
    .service-card:hover { transform: none; }
    .area-tag:hover { transform: none; }
    .footer-social a:hover { transform: none; }
    .contact-item:hover { transform: none; }
}

/* ── Küçük ekran tipografi ince ayar ── */
@media (max-width: 380px) {
    html { font-size: 14px; }

    .hero h1 { font-size: 1.6rem; }

    .hero-stats {
        grid-template-columns: 1fr 1fr;
    }

    .btn {
        padding: 0.75rem 1.25rem;
        font-size: var(--font-size-sm);
    }
}