/* ============================================================
   assets/css/style.css - Anadolu Prefabrik Yapı
   ============================================================ */

/* RESET & ROOT */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary:      #e63434;
    --primary-dark: #c0392b;
    --dark:         #1a1a1a;
    --gray:         #f5f5f5;
    --text:         #333;
    --white:        #fff;
}

body {
    font-family: 'Segoe UI', sans-serif;
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================================
   TEMA SİSTEMİ
   ============================================================ */
body.tema-lacivert     { --primary: #1a3a6b; --primary-dark: #142d54; }
body.tema-koyu-lacivert{ --primary: #0d1f3c; --primary-dark: #091528; }
body.tema-yesil        { --primary: #1a7a4a; --primary-dark: #145e39; }
body.tema-turuncu      { --primary: #e67e22; --primary-dark: #ca6f1e; }

/* TEMA SEÇİCİ */
.tema-secici {
    position: fixed;
    left: 20px;
    bottom: 30px;
    z-index: 9998;
}

.tema-toggle {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 18px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    transition: transform 0.3s;
}

.tema-toggle:hover { transform: rotate(30deg); }

.tema-panel {
    display: none;
    position: absolute;
    bottom: 55px;
    left: 0;
    background: #fff;
    border-radius: 8px;
    padding: 12px 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    white-space: nowrap;
}

.tema-panel.open { display: block; }

.tema-panel > span {
    font-size: 12px;
    color: #999;
    display: block;
    margin-bottom: 10px;
}

.tema-renkler { display: flex; gap: 8px; }

.tema-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    transition: border 0.2s;
}

.tema-btn.aktif { border-color: #333; }

/* ============================================================
   HEADER
   ============================================================ */
.header {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 999;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(6px);
    transition: background 0.3s;
}

.header.scrolled { background: #1a1a1a; }

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 75px;
}

.logo img { height: 50px; }

/* NAV */
.nav-list {
    display: flex;
    list-style: none;
    gap: 5px;
}

.nav-list > li > a {
    color: var(--white);
    text-decoration: none;
    font-size: 14px;
    padding: 8px 12px;
    display: block;
    transition: color 0.3s;
}

.nav-list > li > a:hover { color: var(--primary); }

/* DROPDOWN */
.dropdown { position: relative; }

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%; left: 0;
    background: #1a1a1a;
    min-width: 250px;
    list-style: none;
    border-top: 2px solid var(--primary);
    z-index: 100;
}

.dropdown:hover .dropdown-menu { display: block; }

.dropdown-menu li a {
    color: #ccc;
    text-decoration: none;
    padding: 10px 15px;
    display: block;
    font-size: 13px;
    transition: all 0.3s;
}

.dropdown-menu li a:hover {
    background: var(--primary);
    color: var(--white);
    padding-left: 20px;
}

/* HEADER ACTIONS */
.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn-teklif {
    background: var(--primary);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: background 0.3s;
}

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

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

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--white);
    display: block;
    transition: all 0.3s;
}

/* ============================================================
   HERO & SLIDER
   ============================================================ */
.hero {
    position: relative;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.55);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 52px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-content .btn {
    background: var(--primary);
    color: var(--white);
    padding: 14px 35px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: background 0.3s;
}

.hero-content .btn:hover { background: var(--primary-dark); }

/* SLIDER */
.slider {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
}

.slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease;
}

.slide.active { opacity: 1; }

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    gap: 10px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: background 0.3s;
}

.dot.active { background: var(--primary); }

/* YOUTUBE SLIDE */
.youtube-slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
}

.youtube-slide.active { opacity: 1; }

.youtube-container {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 100vw;
    height: 56.25vw;
    min-height: 100vh;
    min-width: 177.78vh;
}

.youtube-container iframe {
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* ============================================================
   MARQUEE BANT
   ============================================================ */
.bant-marquee {
    background: var(--primary);
    padding: 12px 0;
    overflow: hidden;
    white-space: nowrap;
}

.bant-track {
    display: inline-block;
    animation: marquee 20s linear infinite;
}

.bant-track span {
    color: rgba(255,255,255,0.9);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    margin: 0 15px;
}

@keyframes marquee {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

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

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 15px;
}

.section-title p {
    color: #666;
    font-size: 16px;
}

/* ============================================================
   SAYAÇLAR
   ============================================================ */
.stats {
    background: var(--primary);
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item h3 {
    font-size: 48px;
    font-weight: 700;
    color: var(--white);
}

.stat-item p {
    color: rgba(255,255,255,0.85);
    font-size: 16px;
    margin-top: 5px;
}

/* ============================================================
   HİZMETLER
   ============================================================ */
.hizmetler-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.hizmet-card {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    text-decoration: none;
    color: var(--text);
}

.hizmet-card:hover { transform: translateY(-5px); }

.hizmet-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.hizmet-card-body { padding: 25px; }

.hizmet-card-body h4 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--dark);
}

.hizmet-card-body p {
    color: #666;
    font-size: 14px;
}

/* ============================================================
   PROJELER
   ============================================================ */
.projeler-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.proje-card {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    display: block;
    text-decoration: none;
}

.proje-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.4s;
}

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

.proje-card-overlay {
    position: absolute;
    bottom: 0; left: 0;
    width: 100%;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    padding: 20px;
    color: var(--white);
}

.proje-card-overlay span {
    font-size: 12px;
    color: var(--primary);
}

.proje-card-overlay h4 {
    font-size: 16px;
    margin-top: 5px;
}

/* ============================================================
   BLOG
   ============================================================ */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.blog-card {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    text-decoration: none;
    color: var(--text);
    transition: transform 0.3s;
    display: block;
}

.blog-card:hover { transform: translateY(-5px); }

.blog-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-card-body { padding: 20px; }
.blog-card-body span { font-size: 12px; color: #999; }

.blog-card-body h3 {
    font-size: 18px;
    margin-top: 8px;
    color: var(--dark);
}

.blog-card-body p {
    font-size: 14px;
    color: #666;
    margin-top: 8px;
}

/* ============================================================
   DEĞERLER
   ============================================================ */
.degerler-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.deger-item {
    text-align: center;
    padding: 30px 20px;
    border-radius: 8px;
    background: #f9f9f9;
    transition: box-shadow 0.3s;
}

.deger-item:hover { box-shadow: 0 8px 25px rgba(0,0,0,0.1); }

.deger-item i {
    font-size: 36px;
    color: var(--primary);
    margin-bottom: 15px;
}

.deger-item h5 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--dark);
}

.deger-item p { font-size: 14px; color: #666; }

/* ============================================================
   CTA
   ============================================================ */
.cta { background: var(--dark); padding: 80px 0; }

.cta-inner { text-align: center; color: var(--white); }

.cta-inner h2 { font-size: 36px; margin-bottom: 15px; }

.cta-inner p {
    font-size: 16px;
    color: #aaa;
    margin-bottom: 30px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: #111;
    color: #ccc;
    padding: 60px 0 0;
}

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

.footer-logo { height: 45px; margin-bottom: 15px; }

.footer-col h4 {
    color: var(--white);
    font-size: 16px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary);
    display: inline-block;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }

.footer-col ul li a {
    color: #aaa;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-col ul li a:hover { color: var(--primary); }

.social-links { display: flex; gap: 10px; margin-top: 20px; }

.social-links a {
    width: 36px;
    height: 36px;
    background: #222;
    color: #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    transition: background 0.3s;
}

.social-links a:hover {
    background: var(--primary);
    color: var(--white);
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 14px;
}

.contact-list li i {
    color: var(--primary);
    margin-top: 3px;
}

.footer-bottom {
    border-top: 1px solid #222;
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
}

.footer-links { display: flex; gap: 20px; }

.footer-links a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s;
}

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

/* ============================================================
   FLOATING SOSYAL MEDYA
   ============================================================ */
.floating-social {
    position: fixed;
    right: 20px;
    bottom: 30px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 999;
}

.float-btn {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    transition: transform 0.3s;
}

.float-btn:hover { transform: scale(1.1); }
.float-wp { background: #25d366; }
.float-fb { background: #1877f2; }
.float-ig { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.float-li { background: #0077b5; }

/* ============================================================
   PAGE HERO
   ============================================================ */
.page-hero {
    background: var(--dark);
    padding: 60px 0;
    text-align: center;
    color: var(--white);
}

.page-hero h1 { font-size: 40px; margin-bottom: 10px; }
.page-hero p  { color: #aaa; font-size: 16px; }

/* ============================================================
   FİLTRE BAR
   ============================================================ */
.filtre-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filtre-btn {
    padding: 10px 22px;
    border-radius: 4px;
    border: 1px solid #ddd;
    text-decoration: none;
    color: var(--text);
    font-size: 14px;
    transition: all 0.3s;
}

.filtre-btn:hover,
.filtre-btn.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

/* ============================================================
   DETAY SAYFASI
   ============================================================ */
.detay-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    padding: 40px 0;
}

.detay-resim {
    width: 100%;
    border-radius: 8px;
    margin-bottom: 25px;
}

.detay-main h1 {
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--dark);
}

.detay-icerik {
    font-size: 15px;
    line-height: 1.8;
    color: #555;
}

.detay-bilgi-kutu {
    background: #f9f9f9;
    padding: 25px;
    border-radius: 8px;
    border-top: 3px solid var(--primary);
}

.detay-bilgi-kutu h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--dark);
}

.detay-bilgi-kutu ul { list-style: none; }

.detay-bilgi-kutu ul li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
    font-size: 14px;
    color: #555;
}

.diger-yazilar { list-style: none; }

.diger-yazilar li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.diger-yazilar li a {
    display: block;
    color: var(--dark);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 3px;
    transition: color 0.3s;
}

.diger-yazilar li a:hover { color: var(--primary); }
.diger-yazilar li span   { font-size: 12px; color: #999; }

/* ============================================================
   İLETİŞİM
   ============================================================ */
.iletisim-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    padding: 40px 0;
}

.iletisim-form-box h2,
.iletisim-bilgi h2 {
    font-size: 26px;
    margin-bottom: 25px;
    color: var(--dark);
}

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

.iletisim-form-box .form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 600;
    color: #333;
}

.iletisim-form-box input,
.iletisim-form-box select,
.iletisim-form-box textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.bilgi-kart {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid #eee;
}

.bilgi-kart i {
    font-size: 20px;
    color: var(--primary);
    margin-top: 3px;
    width: 20px;
}

.bilgi-kart h4 {
    font-size: 15px;
    margin-bottom: 5px;
    color: var(--dark);
}

.bilgi-kart p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.bilgi-kart a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s;
}

.bilgi-kart a:hover { color: var(--primary); }

/* ============================================================
   HAKKIMIZDA
   ============================================================ */
.hakkimizda-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 40px 0;
}

.hakkimizda-icerik h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--dark);
}

.hakkimizda-icerik p {
    color: #555;
    font-size: 15px;
    line-height: 1.8;
}

.hakkimizda-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 35px;
}

.hk-stat {
    text-align: center;
    padding: 20px;
    background: var(--gray);
    border-radius: 8px;
    border-top: 3px solid var(--primary);
}

.hk-stat h3 {
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 5px;
}

.hk-stat p { font-size: 13px; color: #666; }

.hakkimizda-resim img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* MİSYON VİZYON */
.mv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.mv-kart {
    background: var(--white);
    padding: 35px 25px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.06);
}

.mv-kart i {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 20px;
}

.mv-kart h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--dark);
}

.mv-kart p { font-size: 14px; color: #666; line-height: 1.7; }

/* ============================================================
   HİZMET DETAY
   ============================================================ */
.ozellikler-listesi { margin-top: 30px; }

.ozellikler-listesi h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--dark);
}

.ozellikler-listesi ul { list-style: none; }

.ozellikler-listesi ul li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    font-size: 15px;
    color: #555;
}

.ozellikler-listesi ul li i {
    color: var(--primary);
    margin-right: 10px;
}

/* ============================================================
   GALERİ & LİGHTBOX
   ============================================================ */
.galeri-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.galeri-item {
    position: relative;
    overflow: hidden;
    border-radius: 6px;
    cursor: pointer;
}

.galeri-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.4s;
}

.galeri-item:hover img { transform: scale(1.05); }

.galeri-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.galeri-item:hover .galeri-overlay { opacity: 1; }

.galeri-overlay i { font-size: 30px; color: var(--white); }

.lightbox {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.92);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.lightbox.active { display: flex; }

.lightbox img {
    max-width: 90%;
    max-height: 85vh;
    border-radius: 6px;
}

.lightbox-close {
    position: absolute;
    top: 20px; right: 30px;
    color: #fff;
    font-size: 40px;
    cursor: pointer;
}

/* ============================================================
   PROJE DETAY
   ============================================================ */
.proje-bilgi-bar {
    display: flex;
    gap: 40px;
    padding: 25px 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
    flex-wrap: wrap;
}

.proje-bilgi-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.proje-bilgi-item i {
    font-size: 20px;
    color: #bbb;
    width: 42px;
    height: 42px;
    border: 1px solid #eee;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.proje-bilgi-item div { display: flex; flex-direction: column; }

.proje-bilgi-item span {
    font-size: 11px;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.proje-bilgi-item strong {
    font-size: 15px;
    color: #111;
    margin-top: 2px;
}

.proje-ozellik-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.proje-ozellik-kart {
    background: #fff;
    border-radius: 12px;
    padding: 25px 20px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.proje-ozellik-ikon {
    width: 60px;
    height: 60px;
    background: #e8f4ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.proje-ozellik-ikon i { font-size: 22px; color: #3498db; }

.proje-ozellik-kart h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #111;
}

.proje-ozellik-kart p { font-size: 13px; color: #777; line-height: 1.5; }

.proje-konum-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start;
}

.proje-konum-bilgi {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* ============================================================
   REFERANSLAR
   ============================================================ */
.referans-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 25px;
    padding: 40px 0;
}

.referans-kart {
    background: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    padding: 25px 20px;
    text-align: center;
    transition: box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.referans-kart:hover { box-shadow: 0 5px 20px rgba(0,0,0,0.08); }

.referans-kart img {
    max-width: 120px;
    max-height: 60px;
    object-fit: contain;
    filter: grayscale(100%);
    transition: filter 0.3s;
}

.referans-kart:hover img { filter: grayscale(0%); }
.referans-kart span { font-size: 12px; color: #999; }
.referans-yazi { font-size: 15px; font-weight: 600; color: #333; }

/* ============================================================
   FORM ELEMANLARI (GENEL)
   ============================================================ */
.form-group { margin-bottom: 18px; }

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
}

.form-group textarea { resize: vertical; }

.btn-kaydet {
    background: var(--primary);
    color: var(--white);
    padding: 12px 30px;
    border: none;
    border-radius: 4px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

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

.alert-success {
    background: #eaffea;
    color: #27ae60;
    padding: 12px 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-error {
    background: #ffeaea;
    color: #e63434;
    padding: 12px 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
}

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active { display: flex; }

.modal {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    position: relative;
}

.modal h3 { font-size: 24px; margin-bottom: 25px; color: var(--dark); }

.modal-close {
    position: absolute;
    top: 15px; right: 20px;
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: #999;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 992px) {
    .hizmetler-grid   { grid-template-columns: repeat(2, 1fr); }
    .projeler-grid    { grid-template-columns: repeat(2, 1fr); }
    .footer-grid      { grid-template-columns: repeat(2, 1fr); }
    .referans-grid    { grid-template-columns: repeat(3, 1fr); }
    .proje-ozellik-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    /* Header */
    .hamburger { display: flex; }

    .nav {
        display: none;
        position: fixed;
        top: 75px; left: 0;
        width: 100%;
        background: #1a1a1a;
        padding: 15px 0;
        height: calc(100vh - 75px);
        overflow-y: auto;
        z-index: 998;
    }

    .nav.open { display: block; }

    .nav-list {
        flex-direction: column;
        gap: 0;
    }

    .nav-list > li > a {
        padding: 14px 20px;
        border-bottom: 1px solid #2a2a2a;
        font-size: 15px;
    }

    .dropdown-menu {
        position: static;
        display: none;
        background: #222;
        border-top: none;
        border-left: 3px solid var(--primary);
        margin-left: 20px;
    }

    .dropdown.open .dropdown-menu { display: block; }
    .dropdown-menu li a { padding: 12px 20px; }

    /* Hero */
    .hero-content h1 { font-size: 30px; }
    .hero-content p  { font-size: 15px; }

    /* Grids */
    .hizmetler-grid,
    .projeler-grid,
    .blog-grid,
    .degerler-grid,
    .mv-grid,
    .galeri-grid      { grid-template-columns: 1fr; }

    .stats-grid       { grid-template-columns: 1fr; }
    .hakkimizda-grid  { grid-template-columns: 1fr; }
    .hakkimizda-stats { grid-template-columns: 1fr; }
    .iletisim-grid    { grid-template-columns: 1fr; }
    .form-row         { grid-template-columns: 1fr; }
    .detay-grid       { grid-template-columns: 1fr; }
    .proje-konum-grid { grid-template-columns: 1fr; }
    .proje-bilgi-bar  { gap: 20px; }

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

    .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .referans-grid    { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .hero-content h1 { font-size: 24px; }
    .section-title h2 { font-size: 26px; }
    .page-hero h1 { font-size: 28px; }
    .referans-grid { grid-template-columns: 1fr; }
}

/* KVKK & GİZLİLİK */
.kvkk-icerik {
    max-width: 860px;
    margin: 0 auto;
    padding: 20px 0 60px;
}

.kvkk-icerik h2 {
    font-size: 20px;
    color: var(--dark);
    margin: 35px 0 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary);
    display: inline-block;
}

.kvkk-icerik p {
    color: #555;
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 12px;
}

.kvkk-icerik ul {
    margin: 10px 0 15px 20px;
}

.kvkk-icerik ul li {
    color: #555;
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 6px;
}

/* KATALOG */
.btn-katalog-indir {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--primary);
    color: #fff;
    padding: 15px 35px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: background 0.3s;
}

.btn-katalog-indir:hover { background: var(--primary-dark); }
.btn-katalog-indir i { font-size: 20px; }

.katalog-model {
    padding: 60px 0;
}

.katalog-model-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 25px;
}

.katalog-model-resim {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
}

.katalog-model-resim img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
}

.katalog-alinti {
    position: absolute;
    bottom: 0; left: 0;
    width: 100%;
    background: linear-gradient(transparent, rgba(0,0,0,0.75));
    padding: 40px 25px 20px;
}

.katalog-alinti p {
    color: #fff;
    font-size: 14px;
    font-style: italic;
    line-height: 1.6;
}

.katalog-model-plan img {
    width: 100%;
    height: 400px;
    object-fit: contain;
    border-radius: 12px;
    background: #f9f9f9;
}

.katalog-model-bilgi {
    padding: 10px 0;
}

.katalog-model-baslik {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 15px;
}

.katalog-etiket {
    background: var(--primary);
    color: #fff;
    padding: 6px 20px;
    border-radius: 4px;
    font-size: 18px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.katalog-m2 {
    background: #1a1a1a;
    color: #fff;
    padding: 6px 20px;
    border-radius: 4px;
    font-size: 18px;
    font-weight: 700;
}

.katalog-aciklama {
    font-size: 15px;
    color: #555;
    line-height: 1.8;
}

.katalog-ayrac {
    border: none;
    border-top: 1px solid #eee;
    margin: 0;
}

@media (max-width: 768px) {
    .katalog-model-grid { grid-template-columns: 1fr; }
    .katalog-model-resim img,
    .katalog-model-plan img { height: 280px; }
}