/* Albayrak-inspired corporate theme */
:root {
    --albayrak-red: #e4002b;
    --albayrak-red-dark: #c40025;
    --albayrak-dark: #1a1a1a;
    --albayrak-gray: #666666;
    --albayrak-light: #f4f4f4;
}

html { scroll-behavior: smooth; }

body { font-family: 'Montserrat', system-ui, sans-serif; }

/* Header */
.site-header {
    transition: background 0.4s ease, box-shadow 0.4s ease;
}
.site-header--home {
    background: transparent;
}
.site-header--home .nav-link,
.site-header--home .logo-text,
.site-header--home .menu-btn {
    color: #fff;
}
.site-header--scrolled,
.site-header--inner {
    background: #fff;
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}
.site-header--scrolled .nav-link,
.site-header--inner .nav-link {
    color: var(--albayrak-dark);
}
.site-header--scrolled .logo-text,
.site-header--inner .logo-text {
    color: var(--albayrak-dark);
}
.site-header--scrolled .logo-sub,
.site-header--inner .logo-sub {
    color: var(--albayrak-gray);
}
.site-header--scrolled .menu-btn,
.site-header--inner .menu-btn {
    color: var(--albayrak-dark);
}
.site-header--scrolled .site-cta,
.site-header--inner .site-cta {
    color: var(--albayrak-dark) !important;
    border-color: var(--albayrak-dark) !important;
}
.site-header--scrolled .site-cta:hover,
.site-header--inner .site-cta:hover {
    background: var(--albayrak-red) !important;
    border-color: var(--albayrak-red) !important;
    color: #fff !important;
}
.site-header--scrolled .site-header-top,
.site-header--inner .site-header-top {
    border-color: #eee;
}
.site-header--scrolled .site-header-top a,
.site-header--inner .site-header-top a {
    color: var(--albayrak-gray) !important;
}
.site-header--scrolled .site-header-top a:hover,
.site-header--inner .site-header-top a:hover {
    color: var(--albayrak-red) !important;
}
.nav-link {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    transition: color 0.2s;
}
.nav-link:hover,
.nav-link.active {
    color: var(--albayrak-red) !important;
}

/* Hero slider */
.hero-slider {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}
.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s;
}
.hero-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}
.hero-slide__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transform: scale(1.05);
    transition: transform 6s ease;
}
.hero-slide.active .hero-slide__bg {
    transform: scale(1);
}
.hero-slide__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.35) 60%, rgba(0,0,0,0.2) 100%);
}
.hero-slide__content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 120px 5% 180px;
    max-width: 900px;
}
.hero-slide__title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.05em;
    line-height: 1.1;
    text-transform: uppercase;
}
.hero-slide__tagline {
    font-size: clamp(1rem, 2vw, 1.35rem);
    font-weight: 300;
    color: rgba(255,255,255,0.95);
    margin-top: 1.25rem;
    line-height: 1.5;
    max-width: 600px;
}
.hero-slide__desc {
    font-size: 14px;
    font-weight: 400;
    color: rgba(255,255,255,0.75);
    margin-top: 1rem;
    max-width: 500px;
    line-height: 1.6;
}
.hero-slide__btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 2rem;
    padding: 12px 28px;
    border: 1px solid #fff;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: all 0.3s;
}
.hero-slide__btn:hover {
    background: var(--albayrak-red);
    border-color: var(--albayrak-red);
}

/* Slider tabs (bottom numbered) */
.hero-tabs {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10;
    display: flex;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(8px);
}
.hero-tab {
    flex: 1;
    padding: 20px 12px;
    text-align: center;
    border: none;
    background: transparent;
    color: rgba(255,255,255,0.6);
    cursor: pointer;
    transition: all 0.3s;
    border-top: 3px solid transparent;
}
.hero-tab:hover {
    color: #fff;
    background: rgba(255,255,255,0.05);
}
.hero-tab.active {
    color: #fff;
    background: rgba(228,0,43,0.2);
    border-top-color: var(--albayrak-red);
}
.hero-tab__num {
    display: block;
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 6px;
    opacity: 0.7;
}
.hero-tab__label {
    display: block;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    line-height: 1.3;
}
@media (max-width: 768px) {
    .hero-tab__label { display: none; }
    .hero-tab { padding: 16px 8px; }
}

/* Slider arrows */
.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 50px;
    height: 50px;
    border: 1px solid rgba(255,255,255,0.4);
    background: rgba(0,0,0,0.3);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}
.hero-arrow:hover {
    background: var(--albayrak-red);
    border-color: var(--albayrak-red);
}
.hero-arrow--prev { left: 24px; }
.hero-arrow--next { right: 24px; }

/* Since banner */
.since-banner {
    background: #fff;
    padding: 60px 5%;
    text-align: center;
    border-bottom: 1px solid #eee;
}
.since-banner__title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 300;
    color: var(--albayrak-dark);
    letter-spacing: 0.02em;
}
.since-banner__title strong {
    font-weight: 700;
    color: var(--albayrak-red);
}
.since-banner__film {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-top: 24px;
    color: var(--albayrak-red);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
.since-banner__play {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 2px solid var(--albayrak-red);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}
.since-banner__film:hover .since-banner__play {
    background: var(--albayrak-red);
    color: #fff;
}

/* Numbers section */
.numbers-section {
    padding: 80px 5%;
    background: var(--albayrak-light);
}
.numbers-section__title {
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--albayrak-gray);
    margin-bottom: 48px;
}
.numbers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}
@media (max-width: 900px) {
    .numbers-grid { grid-template-columns: repeat(2, 1fr); }
}
.number-item__value {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--albayrak-red);
    line-height: 1;
}
.number-item__value span {
    font-size: 0.6em;
    font-weight: 600;
}
.number-item__text {
    margin-top: 16px;
    font-size: 13px;
    line-height: 1.6;
    color: var(--albayrak-gray);
    font-weight: 400;
}

/* Section titles */
.section-head {
    text-align: center;
    margin-bottom: 48px;
}
.section-head__label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--albayrak-red);
    margin-bottom: 12px;
}
.section-head__title {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 300;
    color: var(--albayrak-dark);
}

/* Activity / services accordion style */
.activity-section {
    padding: 80px 5%;
    background: #fff;
}
.activity-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: #e0e0e0;
    max-width: 1200px;
    margin: 0 auto;
}
@media (max-width: 768px) {
    .activity-grid { grid-template-columns: 1fr; }
}
.activity-card {
    background: #fff;
    padding: 40px;
    transition: background 0.3s;
    position: relative;
    overflow: hidden;
}
.activity-card:hover {
    background: #fafafa;
}
.activity-card__cat {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--albayrak-red);
    margin-bottom: 8px;
}
.activity-card__title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--albayrak-dark);
    margin-bottom: 12px;
}
.activity-card__text {
    font-size: 13px;
    line-height: 1.7;
    color: var(--albayrak-gray);
}
.activity-card__link {
    display: inline-block;
    margin-top: 16px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--albayrak-red);
}

/* Projects grid */
.project-card-alb {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
    display: block;
    group: hover;
}
.project-card-alb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.project-card-alb:hover img {
    transform: scale(1.08);
}
.project-card-alb__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
}
.project-card-alb__title {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.project-card-alb__loc {
    color: rgba(255,255,255,0.7);
    font-size: 12px;
    margin-top: 4px;
}

/* CTA band */
.cta-band {
    background: var(--albayrak-red);
    padding: 80px 5%;
    text-align: center;
    color: #fff;
}
.cta-band__title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 300;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.4;
}
.cta-band__btn {
    display: inline-block;
    margin-top: 32px;
    padding: 14px 40px;
    border: 1px solid #fff;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: all 0.3s;
}
.cta-band__btn:hover {
    background: #fff;
    color: var(--albayrak-red);
}

/* Inner page hero */
.page-hero {
    position: relative;
    min-height: 45vh;
    display: flex;
    align-items: flex-end;
    padding-bottom: 60px;
}
.page-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.4) 100%);
}
.page-hero__title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Footer */
.site-footer {
    background: #1a1a1a;
    color: rgba(255,255,255,0.7);
}
.site-footer a:hover {
    color: var(--albayrak-red);
}
.footer-tagline {
    font-size: 1.5rem;
    font-weight: 300;
    color: #fff;
    line-height: 1.4;
    margin-top: 24px;
}
.footer-tagline em {
    font-style: normal;
    color: var(--albayrak-red);
}

/* Prose */
.prose-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--albayrak-dark);
    margin-top: 2rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.prose-content p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: var(--albayrak-gray);
    font-size: 14px;
}
.prose-content ul li::before {
    background: var(--albayrak-red);
}
.prose-content a {
    color: var(--albayrak-red);
}

.project-detail-content img { max-width: 100%; height: auto; margin: 1rem 0; }
.project-detail-content h2, .project-detail-content h3 { margin-top: 1.5rem; }

/* Proje detay — içerik içi galeri */
.project-gallery {
    border: 1px solid #e5e7eb;
    background: #fafafa;
    padding: 16px;
}
.project-gallery__label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--albayrak-red);
    margin-bottom: 12px;
}
.project-gallery__stage {
    position: relative;
    margin: 0;
    background: #eee;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    max-height: 420px;
}
.project-gallery__main-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.25s ease;
}
.project-gallery__main-img.is-fading {
    opacity: 0.4;
}
.project-gallery__nav {
    position: absolute;
    inset: auto 12px 12px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    pointer-events: none;
}
.project-gallery__arrow {
    pointer-events: auto;
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(255, 255, 255, 0.92);
    color: var(--albayrak-dark);
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, color 0.2s;
}
.project-gallery__arrow:hover {
    background: var(--albayrak-red);
    color: #fff;
}
.project-gallery__counter {
    pointer-events: none;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: #fff;
    background: rgba(26, 26, 26, 0.65);
    padding: 6px 12px;
}
.project-gallery__thumbs {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
}
.project-gallery__thumb {
    flex: 0 0 72px;
    width: 72px;
    height: 54px;
    padding: 0;
    border: 2px solid transparent;
    background: #fff;
    cursor: pointer;
    overflow: hidden;
    opacity: 0.65;
    transition: opacity 0.2s, border-color 0.2s;
}
.project-gallery__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.project-gallery__thumb:hover,
.project-gallery__thumb.is-active {
    opacity: 1;
    border-color: var(--albayrak-red);
}
@media (min-width: 768px) {
    .project-gallery__thumb {
        flex: 0 0 88px;
        width: 88px;
        height: 66px;
    }
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.btn-red {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--albayrak-red);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    transition: background 0.3s;
}
.btn-red:hover {
    background: var(--albayrak-red-dark);
}

.btn-outline-white {
    display: inline-flex;
    padding: 12px 28px;
    border: 1px solid #fff;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    transition: all 0.3s;
}
.btn-outline-white:hover {
    background: #fff;
    color: var(--albayrak-red);
}