/*--------------------------------------------------------------
# General
--------------------------------------------------------------*/
:root {
    --primary-color: #FF5722;
    --secondary-color: #212529;
    --accent-color: #FFC107;
    --light-gray: #f8f9fa;
    --dark-blue: #0D1B2A;

    --background-color: #fff;
    --background-color-rgb: 255, 255, 255;
    --text-color: #333;
    --text-muted: #6c757d;
    --card-bg: #fff;
    --shadow-color: rgba(0,0,0,.1);
    /* Hero defaults (light) */
    --hero-start: #ffffff; /* light hero start */
    --hero-end: #f3f6fb;  /* light hero end */
    --hero-text: #0f172a; /* dark text on light hero */
}

[data-theme="dark"] {
    --background-color: #0b1220; /* deep night */
    --background-color-rgb: 11, 18, 32;
    --text-color: #e6ebf5; /* soft off-white */
    --text-muted: #9aa4b2; /* cool gray */
    --card-bg: #111827; /* near-slate surface */
    --secondary-color: #0f172a; /* slate-900 */
    --shadow-color: rgba(0, 0, 0, .6);
    /* Hero colors (dark) */
    --hero-start: #0b1220;
    --hero-end: #0f172a;
    --hero-text: #e6ebf5;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    background-color: var(--background-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Mobile usability: prevent horizontal scroll and keep content within viewport */
html, body { overflow-x: clip; width: 100%; max-width: 100%; }
img, video, iframe { max-width: 100%; height: auto; }
/* Improve touch behavior on mobile */
body { touch-action: pan-y; overscroll-behavior-x: contain; -webkit-text-size-adjust: 100%; }

/* Extra guardrails for small screens to stop lateral shifts */
@media (max-width: 576px) {
    /* Stop tiny left-right jiggle caused by transforms */
    .contact-rail .rail-tab { animation: none; transform: none !important; }
    .contact-rail .rail-tab:hover { transform: none !important; }
    .brands .logos { animation: none; }
    header, section, footer, .container, .row { overflow-x: clip; }
    .container, .container-fluid, .row, [class^="col-"], [class*=" col-"] { max-width: 100vw; }
}

.section {
    padding: 80px 0;
}

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

.btn-primary:hover {
    background-color: #E64A19;
    border-color: #E64A19;
}

.text-primary {
    color: var(--primary-color) !important;
}

/*--------------------------------------------------------------
# Navbar
--------------------------------------------------------------*/
.navbar {
    transition: all 0.3s ease;
    background-color: var(--background-color);
}

.navbar.shrink {
    padding-top: 10px;
    padding-bottom: 10px;
    background-color: rgba(var(--background-color-rgb), 0.9) !important;
    backdrop-filter: blur(10px);
}

[data-theme="dark"] .navbar-light .navbar-nav .nav-link {
    color: var(--text-color);
}

[data-theme="dark"] .navbar-light .navbar-brand {
    color: var(--text-color);
}

/*--------------------------------------------------------------
# Hero Section
--------------------------------------------------------------*/
[data-theme="dark"] .bg-light {
    background-color: var(--secondary-color) !important;
}

[data-theme="dark"] .bg-white {
    background-color: var(--card-bg) !important;
}

[data-theme="dark"] .shadow-sm {
    box-shadow: 0 .125rem .25rem var(--shadow-color) !important;
}

[data-theme="dark"] .card {
    background-color: var(--card-bg);
    border-color: var(--secondary-color);
}

[data-theme="dark"] .text-dark,
[data-theme="dark"] .link-dark {
    color: var(--text-color) !important;
}

[data-theme="dark"] .border-top {
    border-top-color: var(--secondary-color) !important;
}

[data-theme="dark"] .text-muted {
    color: var(--text-muted) !important;
}

[data-theme="dark"] .form-control {
    background-color: var(--card-bg);
    color: var(--text-color);
    border-color: var(--secondary-color);
}

[data-theme="dark"] .form-control:focus {
    background-color: var(--card-bg);
    color: var(--text-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(255, 87, 34, 0.25);
}

[data-theme="dark"] .form-select {
    background-color: var(--card-bg);
    color: var(--text-color);
    border-color: var(--secondary-color);
}

.navbar-toggler-icon {
    background-image: none;
    width: 1.5em;
    height: 1.5em;
    display: inline-block;
    vertical-align: middle;
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100%;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(0, 0, 0, 0.55)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

[data-theme="dark"] .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.55)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

#galeri {
    margin-top: 110px; /* fixed-top navbar çakışmasını önlemek için üst boşluk */
}

#hero {
    background: linear-gradient(135deg, var(--hero-start), var(--hero-end));
    color: var(--hero-text);
    padding-top: 150px; /* Navbar için boşluk bırak */
    min-height: 100vh; /* Ekranı kaplaması için */
    display: flex;
    align-items: center;
}

/* Hero buton kontrastları tema bazlı */
[data-theme="light"] #hero .btn-outline-light {
    color: #0f172a;
    border-color: #0f172a;
}
[data-theme="light"] #hero .btn-outline-light:hover {
    background-color: #0f172a;
    color: #ffffff;
}
[data-theme="dark"] #hero .btn-outline-light {
    color: #ffffff;
    border-color: #ffffff;
}
[data-theme="dark"] #hero .btn-outline-light:hover {
    background-color: #ffffff;
    color: #0b1220;
}

/*--------------------------------------------------------------
# Service Cards
--------------------------------------------------------------*/
.service-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 1rem 3rem rgba(0,0,0,.175)!important;
}

/*--------------------------------------------------------------
# Brands
--------------------------------------------------------------*/
.brands .logos-wrapper {
    overflow: hidden;
}

.brands .logos {
    animation: scroll 40s linear infinite;
}

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

.brands .logos img {
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.brands .logos img:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* Metin bazlı marka çipleri */
.brand-chip {
    display: inline-block;
    padding: 10px 16px;
    border-radius: 9999px;
    background: #e9ecef;
    color: #495057;
    font-weight: 600;
    white-space: nowrap;
}

[data-theme="dark"] .brand-chip {
    background: #2a2a2a;
    color: #ddd;
}

/* Galeri modal görsel boyutlandırma */
#galleryModalImg {
    max-width: 95vw;
    max-height: 90vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,.45);
}

/* Sertifikalı Operatörler ikonuna tik yerleşimi */
.icon-with-check {
    position: relative;
    line-height: 1;
}
.icon-with-check::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 1.25em; /* hole size relative to icon */
    height: 1.25em;
    background: var(--card-bg); /* match card surface so içi boş görünür */
    border-radius: 50%;
    z-index: 1;
}
.icon-with-check .check-overlay {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    font-size: 1rem;
    color: var(--accent-color);
    z-index: 2;
}

/*--------------------------------------------------------------
# Project Carousel
--------------------------------------------------------------*/
.carousel-item img {
    max-height: 600px;
    object-fit: cover;
}

/*--------------------------------------------------------------
# Features
--------------------------------------------------------------*/
.feature:hover {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

/*--------------------------------------------------------------
# Contact Form
--------------------------------------------------------------*/
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(255, 87, 34, 0.25);
}

/*--------------------------------------------------------------
# WhatsApp FAB
--------------------------------------------------------------*/
.whatsapp-fab {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    transition: transform 0.3s ease;
}

.whatsapp-fab:hover {
    transform: scale(1.1);
}

/* Galeri görüntüleri küçük ekranlarda daha kare dursun */
#gallery-grid a { aspect-ratio: 1 / 1; }
.gallery-caption {
    display: block;
    width: 100%;
    background: #e11d2e; /* kırmızı şerit stili */
    color: #fff;
    padding: 10px 14px;
    border-radius: 12px;
    font-weight: 800;
    letter-spacing: .2px;
    text-transform: uppercase;
    white-space: normal;
    word-wrap: break-word;
}
[data-theme="dark"] .gallery-caption { background: #dc2626; }

/* Sağ kenar iletişim rayı */
.contact-rail {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 6px;
    z-index: 2000;
}

/* Masaüstü ve mobilde sağ kenar */
@media (min-width: 992px) {
    .contact-rail { right: 0; left: auto; }
}
.contact-rail .rail-tab {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    width: 120px; /* kompakt genişlik */
    height: 40px; /* kompakt yükseklik */
    padding: 0 10px;
    border-radius: 10px 0 0 10px;
    color: #fff;
    text-decoration: none;
    box-shadow: 0 6px 16px rgba(0,0,0,.25);
    margin-left: auto;
    font-weight: 600;
    transition: transform .25s ease, box-shadow .25s ease, filter .25s ease;
    animation: railFloat 3s ease-in-out infinite alternate;
}
.contact-rail .rail-tab .label { white-space: nowrap; font-size: .8rem; line-height: 1; }
.contact-rail .rail-arrow { background: #111; }
.contact-rail .rail-wa { background: #25D366; }
.contact-rail .rail-call { background: #0d6efd; }
.contact-rail .rail-tab i { font-size: 1.3rem; }

/* Yatay içerik: ikon + yazı */
.contact-rail .rail-wa,
.contact-rail .rail-call { flex-direction: row; width: 120px; height: 40px; }
.contact-rail .rail-arrow { width: 120px; height: 40px; border-radius: 10px 0 0 10px; justify-content: center; }

.contact-rail .rail-tab:hover { transform: translateX(-6px); box-shadow: 0 10px 24px rgba(0,0,0,.35); }
.contact-rail .rail-tab:active { filter: brightness(.95); }

@keyframes railFloat {
    0% { transform: translateX(0); }
    100% { transform: translateX(-4px); }
}

.contact-rail .rail-tab:nth-child(2) { animation-delay: .15s; }
.contact-rail .rail-tab:nth-child(3) { animation-delay: .3s; }

@media (max-width: 576px) {
    .contact-rail { top: 45%; }
    .contact-rail .rail-tab { width: 120px; height: 40px; font-weight: 600; }
    .contact-rail .rail-wa, .contact-rail .rail-call { width: 120px; height: 40px; }
    .contact-rail .rail-tab .label { font-size: .8rem; }
    .contact-rail .rail-tab i { font-size: 1rem; }
    .contact-rail .rail-arrow { width: 120px; height: 40px; }
    .whatsapp-fab { display: none; }
}