:root {
    /* İstenen Kurumsal Renk Paleti */
    --color-anthracite: #1E293B;
    --color-anthracite-dark: #0F172A;
    --color-anthracite-light: #334155;
    --color-silver: #F8FAFC;
    --color-silver-muted: #F1F5F9;
    --color-silver-border: #E2E8F0;
    --color-blue: #0284C7;
    --color-blue-hover: #0369A1;
    --color-blue-light: #38BDF8;
    --color-blue-soft: #E0F2FE;

    /* Yardımcı Renkler */
    --color-whatsapp: #16A34A;
    --color-whatsapp-hover: #15803D;
    --color-text-main: #1E293B;
    --color-text-muted: #475569;
    --color-white: #FFFFFF;

    /* Tipografi */
    --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Gölgeler ve Köşeler */
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 10px 25px -5px rgba(30, 41, 59, 0.08), 0 8px 10px -6px rgba(30, 41, 59, 0.04);
    --shadow-lg: 0 20px 35px -10px rgba(15, 23, 42, 0.16);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 88px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-silver);
    color: var(--color-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================================================
   Üst Bilgi Çubuğu (Top Bar)
   ========================================================================== */
.topbar {
    background-color: var(--color-anthracite-dark);
    color: #CBD5E1;
    font-size: 0.82rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.topbar-info {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.topbar-badge {
    background-color: rgba(2, 132, 199, 0.25);
    color: var(--color-blue-light);
    border: 1px solid rgba(56, 189, 248, 0.3);
    padding: 2px 10px;
    border-radius: 99px;
    font-weight: 600;
    font-size: 0.75rem;
}

.topbar-location {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.topbar-social {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-silver);
    font-weight: 500;
}

.topbar-social:hover {
    color: var(--color-blue-light);
}

/* ==========================================================================
   Üst Menü (Navbar)
   ========================================================================== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(30, 41, 59, 0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(248, 250, 252, 0.1);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.25);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 78px;
    gap: 20px;
}

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

.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(248, 250, 252, 0.06);
    border: 1px solid rgba(248, 250, 252, 0.14);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.brand-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--color-silver);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.brand-subtitle {
    font-size: 0.74rem;
    color: #94A3B8;
    font-weight: 500;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-link {
    color: #E2E8F0;
    font-size: 0.94rem;
    font-weight: 500;
    position: relative;
    padding: 6px 0;
}

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

.nav-link:hover {
    color: var(--color-white);
}

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

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

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Buton Tasarımları */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.93rem;
    padding: 11px 20px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    line-height: 1.2;
}

.btn-lg {
    padding: 15px 26px;
    font-size: 1rem;
    border-radius: 10px;
}

.btn-sm {
    padding: 9px 15px;
    font-size: 0.85rem;
}

.btn-block {
    width: 100%;
}

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

.btn-primary:hover {
    background-color: var(--color-blue-hover);
    transform: translateY(-1px);
}

.btn-call {
    background-color: var(--color-blue);
    color: var(--color-white);
    padding: 10px 18px;
    border-radius: 10px;
    box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
}

.btn-call:hover {
    background-color: var(--color-blue-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(2, 132, 199, 0.45);
}

.call-icon-pulse {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-whatsapp {
    background-color: var(--color-whatsapp);
    color: var(--color-white);
    box-shadow: 0 6px 20px rgba(22, 163, 74, 0.3);
}

.btn-whatsapp:hover {
    background-color: var(--color-whatsapp-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(22, 163, 74, 0.4);
}

.btn-outline-light {
    background-color: rgba(248, 250, 252, 0.08);
    color: var(--color-silver);
    border-color: rgba(248, 250, 252, 0.25);
}

.btn-outline-light:hover {
    background-color: rgba(248, 250, 252, 0.16);
    border-color: var(--color-silver);
    transform: translateY(-2px);
}

.btn-outline-dark {
    background-color: transparent;
    color: var(--color-anthracite);
    border-color: var(--color-anthracite);
}

.btn-outline-dark:hover {
    background-color: var(--color-anthracite);
    color: var(--color-white);
}

/* Hamburger Menü Butonu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2.5px;
    background-color: var(--color-silver);
    border-radius: 3px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: translateY(8.5px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
    transform: translateY(-8.5px) rotate(-45deg);
}

/* ==========================================================================
   Hero (Karşılama) Alanı
   ========================================================================== */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--color-anthracite-dark) 0%, var(--color-anthracite) 60%, #1e3a5f 100%);
    color: var(--color-silver);
    padding: 76px 0 88px;
    overflow: hidden;
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(248, 250, 252, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(248, 250, 252, 0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
}

.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: center;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(2, 132, 199, 0.2);
    border: 1px solid rgba(56, 189, 248, 0.35);
    color: #BAE6FD;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 99px;
    margin-bottom: 22px;
}

.pill-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-blue-light);
    box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.25);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.15rem);
    font-weight: 800;
    line-height: 1.16;
    letter-spacing: -0.025em;
    margin-bottom: 20px;
    color: var(--color-silver);
}

.text-highlight {
    color: var(--color-blue-light);
}

.hero-description {
    font-size: 1.08rem;
    color: #CBD5E1;
    margin-bottom: 32px;
    max-width: 620px;
}

.hero-description strong {
    color: var(--color-white);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 40px;
}

.hero-metrics {
    display: flex;
    align-items: center;
    gap: 24px;
    padding-top: 28px;
    border-top: 1px solid rgba(248, 250, 252, 0.12);
    flex-wrap: wrap;
}

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

.metric-number {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--color-white);
}

.metric-label {
    font-size: 0.82rem;
    color: #94A3B8;
}

.metric-divider {
    width: 1px;
    height: 34px;
    background-color: rgba(248, 250, 252, 0.15);
}

/* Hero Sağ Görsel Vitrin Kartı */
.hero-card-showcase {
    background: rgba(248, 250, 252, 0.05);
    border: 1px solid rgba(248, 250, 252, 0.14);
    border-radius: var(--radius-lg);
    padding: 16px;
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow-lg);
}

.showcase-image-wrapper {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background-color: var(--color-anthracite-dark);
    margin-bottom: 14px;
}

.showcase-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.showcase-overlay-badge {
    position: absolute;
    bottom: 14px;
    left: 14px;
    right: 14px;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(248, 250, 252, 0.15);
    padding: 12px 16px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.showcase-overlay-badge strong {
    display: block;
    font-size: 0.92rem;
    color: var(--color-silver);
}

.showcase-overlay-badge span {
    font-size: 0.78rem;
    color: #94A3B8;
}

.showcase-quick-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.quick-chip {
    background: rgba(30, 41, 59, 0.85);
    border: 1px solid rgba(248, 250, 252, 0.1);
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 0.82rem;
    font-weight: 600;
    color: #E2E8F0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.chip-icon {
    color: var(--color-blue-light);
    font-weight: 800;
}

/* ==========================================================================
   Genel Bölüm Başlıkları
   ========================================================================== */
.section {
    padding: 88px 0;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 52px;
}

.section-eyebrow {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-blue);
    background-color: var(--color-blue-soft);
    padding: 5px 14px;
    border-radius: 99px;
    margin-bottom: 14px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 3vw, 2.4rem);
    font-weight: 800;
    color: var(--color-anthracite);
    letter-spacing: -0.02em;
    line-height: 1.22;
    margin-bottom: 14px;
}

.section-title.text-light {
    color: var(--color-silver);
}

.section-desc {
    color: var(--color-text-muted);
    font-size: 1.02rem;
}

/* ==========================================================================
   Hizmetlerimiz Bölümü (Kart Tasarımı)
   ========================================================================== */
.services-section {
    background-color: var(--color-silver);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.service-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-silver-border);
    border-radius: var(--radius-md);
    padding: 34px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-anthracite), var(--color-blue));
    opacity: 0.85;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: #CBD5E1;
}

.service-icon-box {
    width: 54px;
    height: 54px;
    border-radius: 12px;
    background-color: var(--color-anthracite);
    color: var(--color-blue-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}

.service-tag {
    display: inline-block;
    align-self: flex-start;
    font-size: 0.76rem;
    font-weight: 700;
    color: var(--color-blue);
    background-color: var(--color-blue-soft);
    padding: 3px 10px;
    border-radius: 6px;
    margin-bottom: 10px;
}

.service-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-anthracite);
    margin-bottom: 10px;
}

.service-summary {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 26px;
    flex-grow: 1;
}

.service-features li {
    position: relative;
    padding-left: 24px;
    font-size: 0.93rem;
    color: var(--color-anthracite);
    font-weight: 500;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-blue);
    font-weight: 800;
}

.service-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.92rem;
    color: var(--color-blue);
    padding-top: 16px;
    border-top: 1px solid var(--color-silver-muted);
}

.service-cta:hover {
    color: var(--color-anthracite);
    gap: 12px;
}

/* 5. Kart (Tamamlayıcı Yapı Çözümleri) Geniş Düzen */
.service-card-wide {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 32px;
    align-items: center;
}

.service-features-two-col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px 24px;
    margin-bottom: 0;
}

/* ==========================================================================
   Tamamlanan Seçkin Projeler ve Referanslarımız
   ========================================================================== */
.projects-section {
    background-color: var(--color-silver-muted);
    border-top: 1px solid var(--color-silver-border);
    border-bottom: 1px solid var(--color-silver-border);
}

.project-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}

.filter-btn {
    font-family: var(--font-heading);
    font-size: 0.92rem;
    font-weight: 700;
    padding: 11px 22px;
    border-radius: 99px;
    border: 1px solid #CBD5E1;
    background-color: var(--color-white);
    color: var(--color-anthracite);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    border-color: var(--color-blue);
    color: var(--color-blue);
}

.filter-btn.active {
    background-color: var(--color-anthracite);
    color: var(--color-silver);
    border-color: var(--color-anthracite);
    box-shadow: 0 4px 12px rgba(30, 41, 59, 0.2);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 26px;
}

.project-card {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-silver-border);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.project-card.hidden {
    display: none;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.project-img-wrap {
    position: relative;
    aspect-ratio: 16 / 10;
    background-color: var(--color-anthracite);
    overflow: hidden;
}

.project-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
}

.project-card:hover .project-img-wrap img {
    transform: scale(1.04);
}

.project-category-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background-color: rgba(30, 41, 59, 0.9);
    color: var(--color-silver);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 99px;
    backdrop-filter: blur(4px);
}

.project-location-tag {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background-color: var(--color-blue);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 6px;
}

.project-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-title {
    font-family: var(--font-heading);
    font-size: 1.18rem;
    font-weight: 800;
    color: var(--color-anthracite);
    margin-bottom: 10px;
}

.project-desc {
    color: var(--color-text-muted);
    font-size: 0.91rem;
    margin-bottom: 18px;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.project-tags span {
    background-color: var(--color-silver-muted);
    color: var(--color-anthracite);
    border: 1px solid var(--color-silver-border);
    font-size: 0.76rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
}

/* Referans Şeridi */
.references-banner {
    margin-top: 48px;
    background-color: var(--color-anthracite);
    color: var(--color-silver);
    padding: 28px 32px;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
    text-align: center;
}

.references-label {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    color: #BAE6FD;
}

.references-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.ref-pill {
    background: rgba(248, 250, 252, 0.08);
    border: 1px solid rgba(248, 250, 252, 0.16);
    color: var(--color-silver);
    padding: 7px 15px;
    border-radius: 99px;
    font-size: 0.84rem;
    font-weight: 600;
}

/* ==========================================================================
   İnteraktif Ön Keşif ve WhatsApp Teklif Formu
   ========================================================================== */
.quote-section {
    background: linear-gradient(135deg, var(--color-anthracite) 0%, var(--color-anthracite-dark) 100%);
    color: var(--color-silver);
}

.quote-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 48px;
    align-items: center;
}

.quote-lead {
    color: #CBD5E1;
    font-size: 1.04rem;
    margin-bottom: 30px;
}

.quote-steps {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 32px;
}

.quote-step {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.step-num {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background-color: var(--color-blue);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.92rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.quote-step strong {
    display: block;
    font-size: 0.98rem;
    color: var(--color-silver);
    margin-bottom: 2px;
}

.quote-step p {
    font-size: 0.88rem;
    color: #94A3B8;
}

.direct-contact-card {
    background: rgba(248, 250, 252, 0.06);
    border: 1px solid rgba(248, 250, 252, 0.14);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.direct-contact-card span {
    display: block;
    font-size: 0.82rem;
    color: #94A3B8;
}

.direct-phone {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-blue-light);
}

/* Teklif Form Kartı */
.quote-form-card {
    background-color: var(--color-silver);
    color: var(--color-anthracite);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow-lg);
}

.form-header {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-silver-border);
}

.form-header h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-anthracite);
}

.form-header p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--color-anthracite);
    margin-bottom: 7px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 13px 15px;
    border-radius: 10px;
    border: 1.5px solid #CBD5E1;
    background-color: var(--color-white);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-anthracite);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-blue);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.form-row-unit {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    gap: 12px;
    flex-wrap: wrap;
}

.form-row-unit > label {
    font-size: 0.88rem;
    font-weight: 700;
}

.unit-toggle {
    display: inline-flex;
    background-color: #E2E8F0;
    padding: 4px;
    border-radius: 10px;
}

.unit-option {
    cursor: pointer;
}

.unit-option input {
    display: none;
}

.unit-option span {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 7px;
    font-size: 0.83rem;
    font-weight: 700;
    color: var(--color-text-muted);
    transition: var(--transition);
}

.unit-option input:checked + span {
    background-color: var(--color-anthracite);
    color: var(--color-white);
}

.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.area-preview {
    background-color: var(--color-blue-soft);
    border: 1px solid #BAE6FD;
    border-radius: 10px;
    padding: 12px 16px;
    margin-bottom: 18px;
}

.area-preview-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--color-anthracite);
}

.area-preview-item strong {
    color: var(--color-blue-hover);
    font-weight: 800;
}

/* ==========================================================================
   İletişim Bölümü
   ========================================================================== */
.contact-section {
    background-color: var(--color-silver);
}

.contact-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}

.contact-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-silver-border);
    border-radius: var(--radius-md);
    padding: 32px 26px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-icon {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background-color: var(--color-blue-soft);
    color: var(--color-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}

.contact-card h3 {
    font-family: var(--font-heading);
    font-size: 1.22rem;
    font-weight: 800;
    color: var(--color-anthracite);
    margin-bottom: 8px;
}

.contact-card p {
    font-size: 0.92rem;
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

.contact-link {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-blue);
    margin-bottom: 18px;
}

.contact-card-actions {
    display: flex;
    gap: 10px;
    margin-top: auto;
}

.service-area-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: auto;
}

.service-area-badges span {
    background-color: var(--color-anthracite);
    color: var(--color-silver);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 99px;
}

/* ==========================================================================
   Alt Bilgi (Footer)
   ========================================================================== */
.footer {
    background-color: var(--color-anthracite-dark);
    color: #CBD5E1;
    padding: 68px 0 28px;
    border-top: 1px solid rgba(248, 250, 252, 0.08);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 1fr 1.1fr;
    gap: 36px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(248, 250, 252, 0.1);
}

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

.footer-desc {
    font-size: 0.9rem;
    color: #94A3B8;
    max-width: 340px;
}

.footer-col h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-silver);
    margin-bottom: 16px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col a {
    font-size: 0.9rem;
    color: #94A3B8;
}

.footer-col a:hover {
    color: var(--color-blue-light);
}

.footer-contact-list li {
    font-size: 0.9rem;
    color: #94A3B8;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.footer-contact-list strong {
    color: var(--color-silver);
}

.footer-bottom {
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.85rem;
    color: #64748B;
}

/* ==========================================================================
   Sağ Alt Köşe Sabit WhatsApp ve Telefon Arama Butonları
   ========================================================================== */
.floating-actions {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: flex-end;
}

.fab-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 13px 18px;
    border-radius: 99px;
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.92rem;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.32);
    transition: var(--transition);
}

.fab-phone {
    background-color: var(--color-blue);
}

.fab-phone:hover {
    background-color: var(--color-blue-hover);
    transform: translateY(-2px) scale(1.02);
}

.fab-whatsapp {
    background-color: var(--color-whatsapp);
}

.fab-whatsapp:hover {
    background-color: var(--color-whatsapp-hover);
    transform: translateY(-2px) scale(1.02);
}

/* ==========================================================================
   Mobil ve Tablet Uyumluluk (Responsive)
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-grid,
    .quote-wrapper {
        grid-template-columns: 1fr;
    }

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

    .contact-cards-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 820px) {
    .topbar {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .navbar-actions .btn-call span:last-child {
        display: none;
    }

    .navbar-actions .btn-call {
        padding: 10px 12px;
    }

    .nav-menu {
        position: fixed;
        top: 78px;
        left: 0;
        right: 0;
        background-color: var(--color-anthracite-dark);
        border-bottom: 1px solid rgba(248, 250, 252, 0.12);
        flex-direction: column;
        align-items: stretch;
        padding: 24px 20px;
        gap: 20px;
        transform: translateY(-120%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
        box-shadow: 0 18px 30px rgba(0, 0, 0, 0.35);
    }

    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .nav-link {
        font-size: 1.05rem;
        display: block;
        width: 100%;
    }

    .nav-cta-mobile {
        display: block;
        padding-top: 12px;
        border-top: 1px solid rgba(248, 250, 252, 0.1);
    }

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

    .service-features-two-col {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 560px) {
    .hero {
        padding: 48px 0 64px;
    }

    .hero-buttons {
        flex-direction: column;
    }

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

    .metric-divider {
        display: none;
    }

    .showcase-quick-grid {
        grid-template-columns: 1fr;
    }

    .quote-form-card {
        padding: 24px 18px;
    }

    .form-grid-2 {
        grid-template-columns: 1fr;
    }

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

    .floating-actions {
        right: 14px;
        bottom: 14px;
    }

    .fab-btn {
        padding: 12px 15px;
        font-size: 0.86rem;
    }
}


/* ==========================================================================
   Instagram Gerçek Medya, Video Galeri (Reels) & Lightbox Stilleri
   ========================================================================== */
.brand-logo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 9px;
}

.hero-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.hero-thumb {
    border: 2px solid rgba(248, 250, 252, 0.15);
    border-radius: 10px;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background: var(--color-anthracite-dark);
    cursor: pointer;
    padding: 0;
    transition: var(--transition);
    opacity: 0.72;
}

.hero-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-thumb:hover,
.hero-thumb.active {
    opacity: 1;
    border-color: var(--color-blue-light);
    transform: translateY(-2px);
}

.project-img-wrap {
    cursor: pointer;
}

.project-media-btn {
    position: absolute;
    bottom: 12px;
    left: 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: rgba(15, 23, 42, 0.88);
    color: var(--color-silver);
    border: 1px solid rgba(248, 250, 252, 0.22);
    font-family: var(--font-heading);
    font-size: 0.76rem;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 8px;
    cursor: pointer;
    backdrop-filter: blur(6px);
    transition: var(--transition);
}

.project-media-btn:hover {
    background-color: var(--color-blue);
    border-color: var(--color-blue-light);
}

.project-video-btn {
    background-color: rgba(2, 132, 199, 0.92);
    border-color: rgba(248, 250, 252, 0.35);
}

/* Instagram Reels Video Galeri Bölümü */
.video-showcase-section {
    background-color: var(--color-silver);
}

.video-reels-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.reel-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-silver-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.reel-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.reel-video-box {
    position: relative;
    aspect-ratio: 9 / 14;
    background-color: var(--color-anthracite-dark);
    overflow: hidden;
}

.reel-video-box video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.reel-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background-color: rgba(15, 23, 42, 0.85);
    color: var(--color-blue-light);
    border: 1px solid rgba(56, 189, 248, 0.3);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 99px;
    pointer-events: none;
    backdrop-filter: blur(4px);
}

.reel-info {
    padding: 18px;
}

.reel-info h3 {
    font-family: var(--font-heading);
    font-size: 1.02rem;
    font-weight: 800;
    color: var(--color-anthracite);
    margin-bottom: 6px;
    line-height: 1.3;
}

.reel-info p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.45;
}

/* Lightbox Modal */
.lightbox-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.lightbox-modal.open {
    display: flex;
}

.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.88);
    backdrop-filter: blur(6px);
}

.lightbox-content {
    position: relative;
    z-index: 1;
    background-color: var(--color-anthracite);
    border: 1px solid rgba(248, 250, 252, 0.16);
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 860px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.lightbox-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 1px solid rgba(248, 250, 252, 0.1);
    color: var(--color-silver);
}

.lightbox-header h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
}

.lightbox-close {
    background: transparent;
    border: none;
    color: var(--color-silver);
    font-size: 1.8rem;
    line-height: 1;
    cursor: pointer;
    padding: 0 6px;
}

.lightbox-body {
    background-color: var(--color-anthracite-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 360px;
    max-height: 75vh;
}

.lightbox-body img,
.lightbox-body video {
    max-width: 100%;
    max-height: 75vh;
    object-fit: contain;
}

.lightbox-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    background-color: var(--color-anthracite);
    border-top: 1px solid rgba(248, 250, 252, 0.1);
}

.lightbox-nav-btn {
    background-color: var(--color-blue);
    color: var(--color-white);
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-nav-btn:hover {
    background-color: var(--color-blue-hover);
}

.lightbox-counter {
    color: var(--color-silver);
    font-size: 0.9rem;
    font-weight: 600;
}

@media (max-width: 1024px) {
    .video-reels-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 560px) {
    .video-reels-grid {
        grid-template-columns: 1fr;
    }
}


/* ==========================================================================
   Sıkça Sorulan Sorular (SSS / FAQ) & Gelişmiş Mobil Deneyim (Mobile-First UX)
   ========================================================================== */
.call-text-mobile {
    display: none;
}

.mobile-swipe-hint {
    display: none;
    margin-top: 12px;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--color-blue);
    background-color: var(--color-blue-soft);
    padding: 6px 14px;
    border-radius: 99px;
}

.faq-section {
    background-color: var(--color-silver-muted);
    border-top: 1px solid var(--color-silver-border);
    border-bottom: 1px solid var(--color-silver-border);
}

.faq-list {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.faq-item {
    background-color: var(--color-white);
    border: 1px solid var(--color-silver-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item[open] {
    border-color: var(--color-blue);
}

.faq-question {
    padding: 20px 24px;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-anthracite);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::after {
    content: '+';
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: var(--color-blue-soft);
    color: var(--color-blue);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 800;
    flex-shrink: 0;
    transition: var(--transition);
}

.faq-item[open] .faq-question::after {
    content: '−';
    background-color: var(--color-blue);
    color: var(--color-white);
}

.faq-answer {
    padding: 0 24px 20px;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.65;
}

.faq-answer a {
    color: var(--color-blue);
}

@media (max-width: 820px) {
    body {
        padding-bottom: 76px;
    }

    .section {
        padding: 56px 0;
    }

    .section-header {
        margin-bottom: 32px;
    }

    .navbar-inner {
        height: 68px;
    }

    .nav-menu {
        top: 68px;
    }

    .brand-title {
        font-size: 1.02rem;
    }

    .brand-subtitle {
        font-size: 0.69rem;
    }

    .navbar-actions .btn-call .call-text-desktop {
        display: none;
    }

    .navbar-actions .btn-call .call-text-mobile {
        display: inline;
        font-size: 0.85rem;
        font-weight: 700;
    }

    .navbar-actions .btn-call {
        padding: 9px 14px;
        gap: 6px;
    }

    .nav-cta-mobile {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    /* Proje Kategori Butonları Mobilde Yana Kaydırılabilir Tek Satır */
    .project-filters {
        flex-wrap: nowrap;
        justify-content: flex-start;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 8px;
        margin-bottom: 26px;
        scrollbar-width: none;
    }

    .project-filters::-webkit-scrollbar {
        display: none;
    }

    .filter-btn {
        flex-shrink: 0;
        padding: 10px 18px;
        font-size: 0.86rem;
    }

    /* Reels Videoları Mobilde Yana Kaydırılabilir Galeri (Carousel) */
    .mobile-swipe-hint {
        display: inline-block;
    }

    .video-reels-grid {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        gap: 16px;
        padding-bottom: 14px;
        scrollbar-width: thin;
    }

    .reel-card {
        flex: 0 0 78%;
        max-width: 290px;
        scroll-snap-align: center;
    }

    /* Form alanlarında iOS yakınlaştırmasını önleyen 16px font boyutu */
    .form-group input,
    .form-group select {
        font-size: 16px;
        padding: 13px 14px;
    }

    /* Mobilde Alt Sabit Tam Genişlik Ergonomik Arama & WhatsApp Çubuğu */
    .floating-actions {
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: row;
        align-items: stretch;
        gap: 10px;
        padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
        background: rgba(15, 23, 42, 0.96);
        backdrop-filter: blur(12px);
        border-top: 1px solid rgba(248, 250, 252, 0.14);
        box-shadow: 0 -6px 24px rgba(15, 23, 42, 0.28);
    }

    .fab-btn {
        flex: 1;
        justify-content: center;
        padding: 13px 12px;
        border-radius: 10px;
        font-size: 0.92rem;
        box-shadow: none;
    }
}

@media (max-width: 560px) {
    .service-card {
        padding: 24px 20px;
    }

    .project-body {
        padding: 18px;
    }

    .references-banner {
        padding: 22px 16px;
    }

    .faq-question {
        padding: 16px 18px;
        font-size: 0.96rem;
    }

    .faq-answer {
        padding: 0 18px 16px;
        font-size: 0.9rem;
    }
}


/* SEO Anahtar Kelime Bulutu Stilleri */
.seo-keywords-box {
    max-width: 860px;
    margin: 36px auto 0;
    background-color: var(--color-white);
    border: 1px solid var(--color-silver-border);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.seo-keywords-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 800;
    color: var(--color-anthracite);
    margin-bottom: 16px;
}

.seo-tags-cloud {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.seo-tag {
    background-color: var(--color-silver-muted);
    color: var(--color-anthracite);
    border: 1px solid var(--color-silver-border);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 6px 13px;
    border-radius: 99px;
    transition: var(--transition);
}

.seo-tag:hover {
    background-color: var(--color-blue);
    color: var(--color-white);
    border-color: var(--color-blue);
}