/* ===================================================
   ALTAŞ TEKNİK İNŞAAT — Corporate Public Site
   =================================================== */

:root {
    --gold: #c9a961;
    --gold-light: #e2cb8c;
    --gold-dark: #9e8448;
    --gold-gradient: linear-gradient(135deg, #e2cb8c 0%, #c9a961 40%, #9e8448 100%);
    --navy: #0f1a2a;
    --navy-2: #16233a;
    --navy-3: #1f2f48;
    --navy-soft: #2c3d5a;
    --ink: #0a0f17;
    --cream: #f7f4ec;
    --bg: #ffffff;
    --bg-alt: #f6f3ec;
    --text: #1c2433;
    --muted: #67748a;
    --line: #e3dccb;
    --line-dark: rgba(201,169,97,0.2);
    --serif: 'Cormorant Garamond', 'Playfair Display', Georgia, serif;
    --sans: 'Inter', 'Segoe UI', system-ui, sans-serif;
    --radius: 2px;
    --shadow: 0 20px 60px -20px rgba(15,26,42,0.25);
    --shadow-sm: 0 8px 24px -8px rgba(15,26,42,0.15);
    --transition: .5s cubic-bezier(.2,.6,.2,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--sans);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }

h1,h2,h3,h4 {
    font-family: var(--serif);
    font-weight: 500;
    letter-spacing: .005em;
    line-height: 1.15;
    color: var(--navy);
}
h1 { font-size: clamp(2.6rem, 5.6vw, 5rem); }
h2 { font-size: clamp(2rem, 3.6vw, 3.2rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.7rem); }
p { margin-bottom: 1.1em; }

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 28px;
}
.container-narrow {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 28px;
}
section { padding: clamp(4rem, 8vw, 7rem) 0; position: relative; }

.gold { color: var(--gold); }
.gold-text {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
.navy-bg { background: var(--navy); color: var(--cream); }
.navy-bg h1, .navy-bg h2, .navy-bg h3 { color: #fff; }
.navy-bg p { color: rgba(255,255,255,0.78); }
.alt-bg { background: var(--bg-alt); }

.eyebrow {
    display: inline-block;
    font-family: var(--sans);
    font-size: 0.72rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--gold);
    font-weight: 600;
    padding-left: 54px;
    position: relative;
    margin-bottom: 1.1rem;
}
.eyebrow::before {
    content: "";
    position: absolute;
    left: 0; top: 50%;
    width: 40px; height: 1px;
    background: var(--gold);
}
.eyebrow.center {
    display: block;
    text-align: center;
    padding-left: 0;
    padding-top: 24px;
}
.eyebrow.center::before { left: 50%; top: 12px; transform: translateX(-50%); width: 50px; }

.section-head {
    max-width: 740px;
    margin: 0 auto 4rem;
    text-align: center;
}
.section-head p { color: var(--muted); font-size: 1.05rem; margin-top: .9rem; }
.navy-bg .section-head p { color: rgba(255,255,255,0.7); }

/* ----- Buttons ----- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 36px;
    font-size: 0.8rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    font-weight: 500;
    border: 1px solid var(--navy);
    background: transparent;
    color: var(--navy);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: color var(--transition), border-color var(--transition);
    z-index: 1;
}
.btn::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 0;
    background: var(--navy);
    transition: width var(--transition);
    z-index: -1;
}
.btn:hover { color: #fff; }
.btn:hover::before { width: 100%; }
.btn.solid { background: var(--gold-gradient); color: var(--navy); border-color: transparent; }
.btn.solid::before { background: var(--navy); }
.btn.solid:hover { color: #fff; }
.btn.ghost-light { color: #fff; border-color: rgba(255,255,255,.6); }
.btn.ghost-light::before { background: var(--gold-gradient); }
.btn.ghost-light:hover { color: var(--navy); border-color: transparent; }
.btn .arrow { display: inline-block; transition: transform var(--transition); }
.btn:hover .arrow { transform: translateX(6px); }

/* ----- Top Info Bar ----- */
.topbar {
    background: var(--navy);
    color: rgba(255,255,255,0.7);
    padding: 10px 0;
    font-size: 0.82rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}
.topbar a { color: rgba(255,255,255,0.8); }
.topbar a:hover { color: var(--gold); }
.topbar-left, .topbar-right { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
.topbar-item { display: inline-flex; align-items: center; gap: 8px; }
.topbar-item svg { width: 14px; height: 14px; color: var(--gold); }
.topbar-socials { display: flex; gap: 12px; }
.topbar-socials a {
    width: 28px; height: 28px;
    border: 1px solid rgba(255,255,255,0.15);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}
.topbar-socials a:hover { border-color: var(--gold); color: var(--gold); }
.topbar-socials svg { width: 12px; height: 12px; }

/* ----- Main Nav ----- */
.nav {
    background: #fff;
    padding: 18px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 20px rgba(15,26,42,0.06);
    transition: padding var(--transition);
}
.nav.scrolled { padding: 12px 0; }
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}
.nav-logo img { height: 54px; transition: height var(--transition); }
.nav.scrolled .nav-logo img { height: 46px; }
.nav-links {
    display: flex;
    gap: 34px;
    list-style: none;
    align-items: center;
    margin-left: auto;
    margin-right: 20px;
}
.nav-links > li { position: relative; }
.nav-links > li > a {
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--navy);
    padding: 8px 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    position: relative;
}
.nav-links > li > a::after {
    content: "";
    position: absolute;
    left: 0; bottom: 0;
    width: 0; height: 1px;
    background: var(--gold);
    transition: width var(--transition);
}
.nav-links > li > a:hover,
.nav-links > li.active > a,
.nav-links > li:hover > a { color: var(--gold); }
.nav-links > li > a:hover::after,
.nav-links > li.active > a::after,
.nav-links > li:hover > a::after { width: 100%; }
.nav-links .has-sub > a::before {
    content: "";
    display: inline-block;
    width: 6px; height: 6px;
    border-right: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transform: rotate(45deg);
    margin-right: 4px;
    opacity: 0.6;
    order: 2;
    margin-left: 4px;
}
.nav-sub {
    position: absolute;
    top: 100%;
    left: -20px;
    min-width: 240px;
    background: #fff;
    box-shadow: var(--shadow);
    list-style: none;
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition);
    border-top: 3px solid var(--gold);
}
.nav-links > li:hover .nav-sub {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.nav-sub li a {
    display: block;
    padding: 12px 22px;
    font-size: 0.82rem;
    color: var(--navy);
    border-left: 2px solid transparent;
    transition: all var(--transition);
}
.nav-sub li a:hover {
    background: var(--bg-alt);
    color: var(--gold);
    border-left-color: var(--gold);
    padding-left: 28px;
}
.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--gold-gradient);
    color: var(--navy);
    padding: 12px 24px;
    font-size: 0.78rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-weight: 600;
    transition: all var(--transition);
}
.nav-cta:hover {
    background: var(--navy);
    color: var(--gold);
}

.nav-toggle {
    display: none;
    width: 44px; height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    position: relative;
}
.nav-toggle span {
    position: absolute;
    left: 10px; right: 10px;
    height: 2px;
    background: var(--navy);
    transition: all var(--transition);
}
.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 28px; }
.nav-toggle.open span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

/* ----- HERO — Cinematic multi-slide ----- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 680px;
    background: var(--navy);
    overflow: hidden;
    color: #fff;
}
.hero-swiper {
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-swiper .swiper-slide {
    position: relative;
    overflow: hidden;
}
.hero-slide-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    will-change: transform;
    transform: scale(1.12);
    transition: transform 7s ease-out;
}
.hero-swiper .swiper-slide-active .hero-slide-bg {
    transform: scale(1);
}
.hero-swiper .swiper-slide::before {
    content: "";
    position: absolute; inset: 0; z-index: 1;
    background:
        linear-gradient(100deg, rgba(10,15,23,0.88) 0%, rgba(15,26,42,0.72) 42%, rgba(15,26,42,0.35) 100%),
        linear-gradient(0deg, rgba(10,15,23,0.55) 0%, transparent 40%);
}
.hero-swiper .swiper-slide::after {
    content: "";
    position: absolute; inset: 0; z-index: 1;
    background-image:
        linear-gradient(rgba(201,169,97,0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(201,169,97,0.045) 1px, transparent 1px);
    background-size: 80px 80px;
    pointer-events: none;
}

.hero-slide-content {
    position: absolute;
    left: 0; right: 0; top: 0; bottom: 0;
    z-index: 2;
    display: flex;
    align-items: center;
}
.hero-slide-inner {
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
    padding: 0 60px 0 60px;
    padding-bottom: 140px; /* space for stats + arrows */
}
.hero-slide-content .hero-eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--gold);
    font-weight: 600;
    padding-left: 54px;
    position: relative;
    margin-bottom: 1.4rem;
    opacity: 0;
    transform: translateY(20px);
}
.hero-slide-content .hero-eyebrow::before {
    content: "";
    position: absolute;
    left: 0; top: 50%;
    width: 40px; height: 1px;
    background: var(--gold);
}
.hero-swiper .swiper-slide-active .hero-eyebrow {
    animation: heroRise .8s .3s cubic-bezier(.2,.7,.2,1) forwards;
}

.hero-slide-title {
    font-family: var(--serif);
    font-size: clamp(2.6rem, 6vw, 5.4rem);
    font-weight: 500;
    line-height: 1;
    color: #fff;
    margin-bottom: 1.6rem;
    letter-spacing: -0.01em;
    max-width: 820px;
}
.hero-slide-title > span {
    display: block;
    overflow: hidden;
}
.hero-slide-title > span > span {
    display: inline-block;
    transform: translateY(110%);
}
.hero-swiper .swiper-slide-active .hero-slide-title > span:nth-child(1) > span {
    animation: heroRise 1.1s .5s cubic-bezier(.2,.7,.2,1) forwards;
}
.hero-swiper .swiper-slide-active .hero-slide-title > span:nth-child(2) > span {
    animation: heroRise 1.1s .65s cubic-bezier(.2,.7,.2,1) forwards;
    font-style: italic;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
@keyframes heroRise { to { transform: translateY(0); opacity: 1; } }

.hero-slide-sub {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
    max-width: 560px;
    margin-bottom: 2.4rem;
    opacity: 0;
    transform: translateY(20px);
}
.hero-swiper .swiper-slide-active .hero-slide-sub {
    animation: heroRise 1s .95s cubic-bezier(.2,.7,.2,1) forwards;
}

.hero-slide-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(20px);
}
.hero-swiper .swiper-slide-active .hero-slide-actions {
    animation: heroRise 1s 1.15s cubic-bezier(.2,.7,.2,1) forwards;
}

/* Slide thumbnail / index sidebar */
.hero-side {
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    display: flex;
    flex-direction: column;
    gap: 14px;
    width: 140px;
}
.hero-side-item {
    position: relative;
    cursor: pointer;
    padding: 14px 0;
    border-top: 1px solid rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.5);
    transition: color var(--transition);
    display: grid;
    grid-template-columns: 32px 1fr;
    align-items: center;
    gap: 10px;
}
.hero-side-item:last-child { border-bottom: 1px solid rgba(255,255,255,0.15); }
.hero-side-item:hover, .hero-side-item.active { color: var(--gold); }
.hero-side-item .num {
    font-family: var(--serif);
    font-size: 1.4rem;
    font-weight: 500;
}
.hero-side-item .title {
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.hero-side-item::after {
    content: "";
    position: absolute;
    left: 0; top: -1px;
    width: 0; height: 2px;
    background: var(--gold);
    transition: width 5.5s linear;
}
.hero-side-item.active::after { width: 100%; }

/* Counter + arrows */
.hero-controls {
    position: absolute;
    bottom: 130px;
    left: 60px;
    z-index: 5;
    display: flex;
    align-items: center;
    gap: 28px;
    color: rgba(255,255,255,0.85);
}
.hero-counter {
    font-family: var(--serif);
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    gap: 14px;
}
.hero-counter .cur { font-size: 2rem; color: var(--gold); }
.hero-counter .total { color: rgba(255,255,255,0.4); }
.hero-counter .dash {
    width: 50px; height: 1px;
    background: rgba(255,255,255,0.3);
    display: block;
}
.hero-arrows { display: flex; gap: 10px; }
.hero-arrow {
    width: 50px; height: 50px;
    border: 1px solid rgba(255,255,255,0.25);
    background: transparent;
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--serif);
    font-size: 1.6rem;
}
.hero-arrow:hover { border-color: var(--gold); background: var(--gold); color: var(--navy); }

/* Stats strip */
.hero-stats {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 5;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: rgba(10,15,23,0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(201,169,97,0.22);
}
.hero-stat { padding: 28px 30px; border-right: 1px solid rgba(255,255,255,0.06); text-align: center; }
.hero-stat:last-child { border-right: none; }
.hero-stat .num {
    font-family: var(--serif);
    font-size: clamp(1.8rem, 3.8vw, 3rem);
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    font-weight: 500;
}
.hero-stat .label {
    display: block;
    margin-top: 8px;
    font-size: 0.68rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.7);
}

@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

/* ===== Projects Showcase (centered coverflow) ===== */
.projects-showcase {
    background: linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
    padding: clamp(5rem, 9vw, 8rem) 0 clamp(4rem, 7vw, 6rem);
}
.projects-showcase .section-head p,
.projects-showcase .section-head h2 { color: #fff; }
.showcase-deco {
    position: absolute;
    top: 10%;
    right: -100px;
    width: 500px; height: 500px;
    opacity: 0.4;
    z-index: 0;
    pointer-events: none;
}
.showcase-deco::before,
.showcase-deco::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(201,169,97,0.15);
}
.showcase-deco::before { inset: 0; animation: rotateSlow 60s linear infinite; }
.showcase-deco::after { inset: 80px; animation: rotateSlow 45s linear infinite reverse; }
.deco-blueprint { width: 100%; height: 100%; position: absolute; inset: 0; }
@keyframes rotateSlow { to { transform: rotate(360deg); } }

.showcase-wrap {
    position: relative;
    padding: 0 70px;
    z-index: 2;
}
.projects-swiper {
    overflow: visible;
    padding: 30px 0 70px;
    max-width: 1400px;
    margin: 0 auto;
}
.projects-swiper .swiper-slide {
    width: 780px;
    max-width: 85vw;
    transition: transform .8s cubic-bezier(.2,.7,.2,1), opacity .6s ease, filter .6s ease;
    opacity: 0.4;
    transform: scale(0.55);
    filter: blur(1px) saturate(0.7);
    z-index: 1;
}
.projects-swiper .swiper-slide-active {
    opacity: 1;
    transform: scale(1);
    filter: none;
    z-index: 5;
}
.projects-swiper .swiper-slide-prev,
.projects-swiper .swiper-slide-next {
    opacity: 0.7;
    transform: scale(0.6);
    filter: blur(0) saturate(0.9);
    z-index: 3;
}

.showcase-card {
    display: block;
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    box-shadow: 0 30px 80px -20px rgba(0,0,0,0.6);
    background: var(--ink);
    border-radius: 6px;
}
.showcase-card img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 1.2s ease;
}
.projects-swiper .swiper-slide-active .showcase-card img { transform: scale(1.03); }
.showcase-card-overlay {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    z-index: 2;
    padding: 40px 44px 36px;
    color: #fff;
    background: linear-gradient(180deg, transparent 0%, rgba(10,15,23,0.85) 80%);
    transform: translateY(20px);
    opacity: 0;
    transition: all .7s cubic-bezier(.2,.7,.2,1);
}
.projects-swiper .swiper-slide-active .showcase-card-overlay {
    transform: translateY(0);
    opacity: 1;
}
.showcase-card-cat {
    display: inline-block;
    background: var(--gold-gradient);
    color: var(--navy);
    padding: 6px 14px;
    font-size: 0.66rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 14px;
}
.showcase-card h3 {
    font-size: clamp(1.4rem, 2.5vw, 2.2rem);
    color: #fff;
    margin: 0 0 10px;
    line-height: 1.15;
}
.showcase-card-loc {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.86rem;
    color: var(--gold);
    margin-bottom: 14px;
}
.showcase-card-loc svg { width: 16px; height: 16px; }
.showcase-card-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: #fff;
    font-weight: 500;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.15);
    width: fit-content;
}
.showcase-card-link .arrow { transition: transform .5s; }
.showcase-card:hover .showcase-card-link .arrow { transform: translateX(6px); }

.showcase-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 6;
    width: 60px;
    height: 60px;
    background: rgba(15,26,42,0.5);
    border: 1px solid rgba(201,169,97,0.3);
    color: var(--gold);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .4s ease;
    border-radius: 50%;
}
.showcase-arrow:hover {
    background: var(--gold);
    color: var(--navy);
    border-color: var(--gold);
    transform: translateY(-50%) scale(1.05);
}
.showcase-arrow svg { width: 24px; height: 24px; }
.showcase-arrow.prev { left: 20px; }
.showcase-arrow.next { right: 20px; }
.showcase-arrow.swiper-button-disabled { opacity: 0.3; pointer-events: none; }

.projects-pagination {
    position: absolute !important;
    bottom: 20px !important;
    left: 0 !important;
    right: 0 !important;
    text-align: center;
    z-index: 5;
}
.projects-pagination .swiper-pagination-bullet {
    width: 30px; height: 2px;
    background: rgba(255,255,255,0.25);
    border-radius: 0;
    opacity: 1;
    transition: all .4s;
    margin: 0 4px !important;
}
.projects-pagination .swiper-pagination-bullet-active {
    background: var(--gold);
    width: 50px;
}

/* ===== Blueprint SVG animation (About section) ===== */
.about-section { position: relative; overflow: hidden; }
.blueprint-animate {
    position: absolute;
    right: -5%;
    top: 50%;
    transform: translateY(-50%);
    width: 600px;
    max-width: 50%;
    opacity: 0.4;
    pointer-events: none;
    z-index: 0;
}
.about-section .container { position: relative; z-index: 2; }
.bp-draw {
    stroke-dasharray: var(--len, 200);
    stroke-dashoffset: var(--len, 200);
    opacity: 0;
}
.about-section.in-view .bp-draw,
.blueprint-animate.in-view .bp-draw {
    animation: bpDraw 2s var(--delay, 0s) cubic-bezier(.4,0,.2,1) forwards;
}
@keyframes bpDraw {
    0% { stroke-dashoffset: var(--len); opacity: 0; }
    20% { opacity: 1; }
    100% { stroke-dashoffset: 0; opacity: 1; }
}

/* ===== Construction flying shapes (small decor) ===== */
.construction-shape {
    position: absolute;
    width: 60px;
    height: 60px;
    border: 1px solid rgba(201,169,97,0.18);
    pointer-events: none;
    z-index: 0;
}
.construction-shape.square { animation: floatY 6s ease-in-out infinite; }
.construction-shape.triangle {
    width: 0; height: 0;
    border-left: 30px solid transparent;
    border-right: 30px solid transparent;
    border-bottom: 50px solid transparent;
    border-bottom-color: rgba(201,169,97,0.15);
    background: transparent;
    border-top: 0;
    animation: floatY 8s ease-in-out infinite;
    animation-delay: 1s;
}
.construction-shape.diamond {
    transform: rotate(45deg);
    animation: floatY 7s ease-in-out infinite;
    animation-delay: 2s;
}
@keyframes floatY {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* ===== Public flash messages ===== */
.pub-flash-wrap { padding: 14px 28px 0; }
.pub-flash {
    max-width: 1280px;
    margin: 0 auto 10px;
    padding: 14px 22px;
    border-radius: 4px;
    font-size: 0.94rem;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    font-weight: 500;
}
.pub-flash-success { background: #e6f5ea; color: #1e6b3c; border-left: 4px solid #2e7d32; }
.pub-flash-error { background: #fbe5e5; color: #992525; border-left: 4px solid #c62828; }
.pub-flash button { background: none; border: 0; font-size: 1.4rem; cursor: pointer; color: inherit; opacity: 0.6; }
.pub-flash button:hover { opacity: 1; }

/* ===== Başvuru (Application) page ===== */
.basvuru-grid { display: grid; grid-template-columns: 420px 1fr; gap: 60px; align-items: start; }
.basvuru-side { position: sticky; top: 110px; }
.basvuru-steps .bstep {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 18px;
    padding: 22px 0;
    border-bottom: 1px solid var(--line);
    align-items: start;
}
.basvuru-steps .bstep-num {
    font-family: var(--serif);
    font-size: 2rem;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    font-weight: 500;
}
.basvuru-steps .bstep h3 { font-size: 1.1rem; margin-bottom: 6px; }
.basvuru-steps .bstep p { color: var(--muted); font-size: 0.9rem; margin: 0; line-height: 1.6; }

.basvuru-contact {
    margin-top: 30px;
    padding: 26px;
    background: var(--navy);
    color: #fff;
    border-top: 3px solid var(--gold);
}
.basvuru-contact .label { font-size: 0.7rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--gold); margin-bottom: 10px; }
.basvuru-contact .value { font-family: var(--serif); font-size: 1.6rem; color: #fff; display: block; margin-bottom: 6px; }
.basvuru-contact .value:hover { color: var(--gold); }
.basvuru-contact .email { color: rgba(255,255,255,0.75); font-size: 0.95rem; }
.basvuru-contact .email:hover { color: var(--gold); }

.basvuru-form {
    background: #fff;
    padding: 48px;
    box-shadow: var(--shadow);
    border-top: 4px solid var(--gold);
}
.basvuru-form h2 { font-size: 2rem; margin-bottom: 6px; }

.basvuru-tabs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin-bottom: 34px;
    border: 1px solid var(--line);
}
.basvuru-tab {
    position: relative;
    cursor: pointer;
    border-right: 1px solid var(--line);
}
.basvuru-tab:last-child { border-right: 0; }
.basvuru-tab input { position: absolute; opacity: 0; pointer-events: none; }
.basvuru-tab span {
    display: block;
    padding: 14px 8px;
    text-align: center;
    font-size: 0.76rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--navy);
    font-weight: 500;
    transition: all var(--transition);
}
.basvuru-tab:hover span { color: var(--gold); }
.basvuru-tab input:checked + span {
    background: var(--gold-gradient);
    color: var(--navy);
    font-weight: 600;
}

.basvuru-section {
    padding: 28px 0 20px;
    border-top: 1px solid var(--line);
    margin-top: 20px;
}
.basvuru-section:first-of-type { border-top: 0; padding-top: 0; margin-top: 0; }
.basvuru-section h3 {
    font-size: 1.3rem;
    margin-bottom: 22px;
    color: var(--navy);
    display: flex;
    align-items: center;
    gap: 12px;
}
.basvuru-section h3::before {
    content: "";
    width: 8px; height: 8px;
    background: var(--gold);
    display: inline-block;
}
.basvuru-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.basvuru-form .form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.basvuru-form .form-field { margin-bottom: 18px; }
.basvuru-form .form-field label {
    display: block;
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
    font-weight: 500;
}
.basvuru-form input, .basvuru-form select, .basvuru-form textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--line);
    background: #fff;
    font-family: var(--sans);
    font-size: 0.95rem;
    color: var(--text);
    transition: border-color var(--transition);
}
.basvuru-form input:focus, .basvuru-form select:focus, .basvuru-form textarea:focus {
    outline: none;
    border-color: var(--gold);
}
.basvuru-form textarea { resize: vertical; min-height: 110px; }

.basvuru-form .kvkk .chk {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    cursor: pointer;
    font-size: 0.88rem;
    color: var(--muted);
    line-height: 1.6;
}
.basvuru-form .kvkk input { width: auto; margin-top: 4px; }

@media (max-width: 1024px) {
    .basvuru-grid { grid-template-columns: 1fr; gap: 40px; }
    .basvuru-side { position: static; }
}
@media (max-width: 600px) {
    .basvuru-form { padding: 26px 20px; }
    .basvuru-form .form-row, .basvuru-form .form-row-3 { grid-template-columns: 1fr; }
    .basvuru-tabs { grid-template-columns: 1fr 1fr; }
    .basvuru-tab:nth-child(2) { border-right: 0; }
    .basvuru-tab:nth-child(1), .basvuru-tab:nth-child(2) { border-bottom: 1px solid var(--line); }
}

/* ===== Construction Animation Section ===== */
.construction-anim {
    position: relative;
    background: linear-gradient(180deg, var(--navy-2) 0%, var(--navy) 100%);
    color: #fff;
    overflow: hidden;
    padding: clamp(6rem, 10vw, 10rem) 0;
}
.construction-anim::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(201,169,97,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(201,169,97,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 1;
}
.construction-anim .container { position: relative; z-index: 5; }

.const-stage {
    position: relative;
    width: 100%;
    height: clamp(400px, 55vw, 600px);
    margin: 0 auto;
}

.const-logo-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    width: clamp(200px, 28vw, 340px);
    padding: 40px 50px;
    background: rgba(15,26,42,0.7);
    border: 1px solid rgba(201,169,97,0.35);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 30px 80px -20px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.05);
    animation: logoGlow 4s ease-in-out infinite alternate;
}
.const-logo-center::before,
.const-logo-center::after {
    content: "";
    position: absolute;
    width: 24px; height: 24px;
    border: 1px solid var(--gold);
}
.const-logo-center::before { top: -10px; left: -10px; border-right: 0; border-bottom: 0; }
.const-logo-center::after { bottom: -10px; right: -10px; border-left: 0; border-top: 0; }
.const-logo-center img {
    width: 100%;
    display: block;
    filter: brightness(1.2);
}
.const-logo-center .tagline {
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid rgba(201,169,97,0.25);
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gold);
    text-align: center;
}
@keyframes logoGlow {
    0% { box-shadow: 0 30px 80px -20px rgba(0,0,0,0.6), 0 0 0 0 rgba(201,169,97,0); }
    100% { box-shadow: 0 30px 80px -20px rgba(0,0,0,0.6), 0 0 60px 0 rgba(201,169,97,0.15); }
}

/* Flying construction shapes */
.const-item {
    position: absolute;
    opacity: 0.85;
    will-change: transform;
}

/* Brick */
.const-brick {
    width: 70px;
    height: 36px;
    background: linear-gradient(135deg, #b05a2e 0%, #8b3e1d 100%);
    border-radius: 3px;
    box-shadow: inset 0 -8px 0 rgba(0,0,0,0.25), 0 8px 20px rgba(0,0,0,0.4);
    position: relative;
}
.const-brick::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0; right: 0;
    height: 3px;
    background: rgba(0,0,0,0.3);
}
.const-brick::after {
    content: "";
    position: absolute;
    top: 0; bottom: 50%;
    left: 50%;
    width: 3px;
    background: rgba(0,0,0,0.3);
}

/* Rebar (steel bar) */
.const-rebar {
    width: 120px;
    height: 8px;
    background: linear-gradient(90deg, #555 0%, #888 20%, #555 40%, #888 60%, #555 80%, #888 100%);
    background-size: 20px 100%;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

/* Cog */
.const-cog {
    width: 56px; height: 56px;
    color: var(--gold);
    filter: drop-shadow(0 4px 10px rgba(0,0,0,0.5));
}
.const-cog svg { width: 100%; height: 100%; }

/* Ruler */
.const-ruler {
    width: 100px; height: 18px;
    background: linear-gradient(180deg, #e8c96a 0%, #c9a961 100%);
    border-radius: 2px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
    position: relative;
    overflow: hidden;
}
.const-ruler::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; height: 100%;
    background-image: repeating-linear-gradient(90deg, rgba(15,26,42,0.5) 0 1px, transparent 1px 10px);
}

/* Hardhat */
.const-hat {
    width: 60px; height: 40px;
    background: #e6a700;
    border-radius: 60px 60px 6px 6px;
    box-shadow: 0 6px 15px rgba(0,0,0,0.4), inset 0 -8px 0 rgba(0,0,0,0.15);
    position: relative;
}
.const-hat::before {
    content: "";
    position: absolute;
    bottom: -4px; left: -6px; right: -6px;
    height: 8px;
    background: #c28c00;
    border-radius: 4px;
}

/* Blueprint card */
.const-blueprint {
    width: 90px; height: 60px;
    background: #2c5dbd;
    border: 1px solid #1d3f7f;
    box-shadow: 0 6px 18px rgba(0,0,0,0.4);
    padding: 6px;
}
.const-blueprint::before {
    content: "";
    display: block;
    width: 100%; height: 100%;
    background-image:
        linear-gradient(rgba(255,255,255,0.35) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.35) 1px, transparent 1px);
    background-size: 8px 8px;
}

/* Positioning each item + individual float animation */
.const-item.i1 { top: 18%; left: 14%; animation: floatA 7s ease-in-out infinite; }
.const-item.i2 { top: 60%; left: 10%; animation: floatB 9s ease-in-out infinite; }
.const-item.i3 { top: 28%; right: 14%; animation: floatA 8s ease-in-out infinite 1s; }
.const-item.i4 { top: 68%; right: 12%; animation: floatB 7s ease-in-out infinite 2s; }
.const-item.i5 { top: 8%; left: 42%; animation: floatC 10s ease-in-out infinite; }
.const-item.i6 { bottom: 12%; left: 44%; animation: floatC 8s ease-in-out infinite 1.5s; }
.const-item.i7 { top: 38%; left: 4%; animation: floatA 11s ease-in-out infinite 2s; }
.const-item.i8 { top: 12%; right: 4%; animation: floatB 10s ease-in-out infinite 0.5s; }
.const-item.i9 { bottom: 20%; right: 30%; animation: floatC 9s ease-in-out infinite 3s; }

@keyframes floatA {
    0%, 100% { transform: translate(0, 0) rotate(-8deg); }
    50% { transform: translate(15px, -25px) rotate(6deg); }
}
@keyframes floatB {
    0%, 100% { transform: translate(0, 0) rotate(12deg); }
    50% { transform: translate(-18px, -20px) rotate(-10deg); }
}
@keyframes floatC {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(20px, -15px) rotate(15deg); }
    66% { transform: translate(-10px, -30px) rotate(-8deg); }
}

/* Dust particles */
.const-dust {
    position: absolute;
    width: 4px; height: 4px;
    background: var(--gold);
    border-radius: 50%;
    opacity: 0;
    box-shadow: 0 0 6px var(--gold);
}
.const-dust.d1 { top: 30%; left: 30%; animation: dustFloat 6s ease-in infinite; }
.const-dust.d2 { top: 50%; left: 70%; animation: dustFloat 7s ease-in infinite 1s; }
.const-dust.d3 { top: 70%; left: 35%; animation: dustFloat 8s ease-in infinite 2s; }
.const-dust.d4 { top: 20%; left: 55%; animation: dustFloat 9s ease-in infinite 3s; }
.const-dust.d5 { top: 60%; left: 20%; animation: dustFloat 7s ease-in infinite 4s; }
.const-dust.d6 { top: 40%; left: 80%; animation: dustFloat 8s ease-in infinite 1.5s; }
@keyframes dustFloat {
    0%, 100% { opacity: 0; transform: translateY(0); }
    50% { opacity: 0.9; transform: translateY(-80px); }
}

@media (max-width: 768px) {
    .const-rebar { width: 70px; }
    .const-brick { width: 44px; height: 24px; }
    .const-blueprint { width: 60px; height: 40px; }
    .const-ruler { width: 60px; height: 12px; }
    .const-cog { width: 38px; height: 38px; }
    .const-hat { width: 40px; height: 28px; }
    .const-item.i7, .const-item.i9 { display: none; }
}

/* ===== Project gallery slider (Swiper) ===== */
.project-swiper-wrap { margin-top: 30px; }
.project-swiper-main {
    position: relative;
    overflow: hidden;
}
.project-swiper-main .swiper-slide {
    aspect-ratio: 16/10;
    background: var(--ink);
    overflow: hidden;
}
.project-swiper-main .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: zoom-in;
}
.project-swiper-main .ps-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    width: 56px;
    height: 56px;
    background: rgba(15,26,42,0.85);
    color: var(--gold);
    border: 1px solid rgba(201,169,97,0.4);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--serif);
    font-size: 1.8rem;
    transition: all var(--transition);
}
.project-swiper-main .ps-arrow:hover { background: var(--gold); color: var(--navy); border-color: var(--gold); }
.project-swiper-main .ps-arrow.prev { left: 24px; }
.project-swiper-main .ps-arrow.next { right: 24px; }
.project-swiper-main .ps-counter {
    position: absolute;
    bottom: 24px;
    right: 24px;
    z-index: 5;
    background: rgba(15,26,42,0.8);
    padding: 10px 18px;
    color: #fff;
    font-family: var(--serif);
    font-size: 1rem;
    letter-spacing: 0.1em;
    border-left: 2px solid var(--gold);
}
.project-swiper-main .ps-counter .cur { color: var(--gold); font-weight: 600; }

.project-swiper-thumbs {
    margin-top: 14px;
    overflow: hidden;
}
.project-swiper-thumbs .swiper-slide {
    aspect-ratio: 4/3;
    opacity: 0.45;
    cursor: pointer;
    transition: opacity var(--transition), transform var(--transition);
    overflow: hidden;
    position: relative;
}
.project-swiper-thumbs .swiper-slide img {
    width: 100%; height: 100%; object-fit: cover;
}
.project-swiper-thumbs .swiper-slide:hover { opacity: 0.75; }
.project-swiper-thumbs .swiper-slide-thumb-active {
    opacity: 1;
    box-shadow: 0 0 0 2px var(--gold);
}

/* ----- Page Hero ----- */
.page-hero {
    position: relative;
    padding: 170px 0 90px;
    background: var(--navy);
    color: #fff;
    overflow: hidden;
}
.page-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.35;
}
.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15,26,42,0.75) 0%, rgba(15,26,42,0.95) 100%);
    z-index: 1;
}
.page-hero-inner { position: relative; z-index: 2; text-align: center; }
.page-hero h1 { color: #fff; margin-bottom: 14px; }
.breadcrumb {
    font-size: 0.76rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.7);
}
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb .sep { color: var(--gold); margin: 0 10px; }

/* ----- Split section ----- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.split.reverse .split-image { order: 2; }
.split-image { position: relative; aspect-ratio: 4/5; overflow: hidden; }
.split-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.4s ease; }
.split-image:hover img { transform: scale(1.06); }
.split-image::before {
    content: "";
    position: absolute;
    top: 20px; left: 20px; right: -20px; bottom: -20px;
    border: 1px solid var(--gold);
    z-index: -1;
}
.split-content .eyebrow { margin-bottom: 1rem; }
.split-content h2 { margin-bottom: 1.2rem; }
.split-content p { color: var(--muted); font-size: 1.02rem; }
.split-content .signature {
    margin-top: 40px;
    display: flex;
    align-items: center;
    gap: 18px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
}
.split-content .signature .label { font-size: 0.72rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--muted); }
.split-content .signature .name { font-family: var(--serif); font-size: 1.3rem; color: var(--navy); font-weight: 500; }

/* ----- Services block ----- */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2px;
    background: var(--line);
    border: 1px solid var(--line);
}
.service-item {
    background: #fff;
    padding: 48px 38px;
    transition: background var(--transition), transform var(--transition);
    position: relative;
    overflow: hidden;
}
.service-item::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: var(--gold-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}
.service-item:hover { background: var(--bg-alt); }
.service-item:hover::before { transform: scaleX(1); }
.service-icon {
    width: 70px; height: 70px;
    color: var(--gold);
    margin-bottom: 24px;
}
.service-icon svg { width: 100%; height: 100%; }
.service-item h3 {
    font-size: 1.35rem;
    margin-bottom: 14px;
    color: var(--navy);
}
.service-item p {
    color: var(--muted);
    font-size: 0.95rem;
}
.service-item .service-link {
    margin-top: 24px;
    display: inline-flex;
    gap: 8px;
    align-items: center;
    font-size: 0.76rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--navy);
    font-weight: 600;
    padding-top: 20px;
    border-top: 1px solid var(--line);
    transition: color var(--transition), gap var(--transition);
}
.service-item:hover .service-link { color: var(--gold); gap: 14px; }

.service-detail-hero {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
    color: #fff;
    padding: 200px 0 100px;
    position: relative;
    overflow: hidden;
}
.service-detail-hero .hero-decoration {
    position: absolute;
    right: -80px;
    top: 50%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
    border: 1px solid rgba(201,169,97,0.15);
    border-radius: 50%;
}
.service-detail-hero .hero-decoration::before {
    content: "";
    position: absolute;
    inset: 40px;
    border: 1px solid rgba(201,169,97,0.2);
    border-radius: 50%;
}
.service-body {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--muted);
}
.service-body p { margin-bottom: 1.4em; }
.service-body h2, .service-body h3 { margin: 1.6em 0 .6em; color: var(--navy); }

/* ----- Projects ----- */
.project-categories {
    display: flex;
    justify-content: center;
    gap: 0;
    margin-bottom: 60px;
    border: 1px solid var(--line);
    flex-wrap: wrap;
}
.project-categories a {
    padding: 16px 32px;
    font-size: 0.78rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--navy);
    border-right: 1px solid var(--line);
    transition: all var(--transition);
}
.project-categories a:last-child { border-right: none; }
.project-categories a:hover { color: var(--gold); }
.project-categories a.active {
    background: var(--gold-gradient);
    color: var(--navy);
    font-weight: 600;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 36px;
}
.project-card {
    position: relative;
    overflow: hidden;
    transition: transform var(--transition);
}
.project-card-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}
.project-card-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 1.2s ease;
}
.project-card:hover .project-card-image img { transform: scale(1.08); }
.project-card-image::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 45%, rgba(15,26,42,0.85) 100%);
}
.project-card-cat {
    position: absolute;
    top: 16px; left: 16px;
    z-index: 2;
    font-size: 0.66rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    background: var(--gold-gradient);
    color: var(--navy);
    padding: 8px 16px;
    font-weight: 600;
}
.project-card-body {
    position: absolute;
    bottom: 24px;
    left: 24px;
    right: 24px;
    z-index: 3;
    color: #fff;
    transform: translateY(10px);
    transition: transform var(--transition);
}
.project-card:hover .project-card-body { transform: translateY(0); }
.project-card-body .loc {
    font-size: 0.72rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 6px;
    opacity: 0.9;
}
.project-card-body h3 {
    font-size: 1.6rem;
    color: #fff;
    margin-bottom: 0;
    line-height: 1.2;
}
.project-card-body .view-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
    font-size: 0.74rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(255,255,255,0);
    transition: color var(--transition), gap var(--transition);
}
.project-card:hover .view-link { color: var(--gold); gap: 14px; }

/* Project detail */
.project-detail-hero {
    position: relative;
    height: 72vh;
    min-height: 520px;
    overflow: hidden;
    background: var(--navy);
}
.project-detail-hero .bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transform: scale(1.03);
    animation: slowZoom 14s ease-in-out infinite alternate;
}
.project-detail-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15,26,42,0.5) 0%, rgba(15,26,42,0.9) 100%);
    z-index: 1;
}
.project-detail-hero .content {
    position: absolute;
    bottom: 60px;
    left: 0; right: 0;
    z-index: 2;
    color: #fff;
}
.project-detail-hero h1 {
    color: #fff;
    font-size: clamp(2.4rem, 5vw, 4.6rem);
    max-width: 900px;
    margin-bottom: 16px;
}
.project-detail-hero .meta {
    display: flex; gap: 40px; flex-wrap: wrap;
    font-size: 0.84rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.8);
}
.project-detail-hero .meta strong { color: var(--gold); font-weight: 600; margin-right: 10px; }

.project-body-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 80px;
    margin-bottom: 80px;
}
.project-description { font-size: 1.05rem; line-height: 1.8; color: var(--muted); }
.project-description h2, .project-description h3 { color: var(--navy); margin-top: 1.5em; }
.project-sidebar {
    background: var(--bg-alt);
    padding: 40px;
    align-self: start;
    border-top: 4px solid var(--gold);
}
.project-sidebar h3 {
    font-size: 1.2rem;
    margin-bottom: 24px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
}
.project-spec { padding: 14px 0; border-bottom: 1px solid var(--line); }
.project-spec:last-child { border-bottom: 0; }
.project-spec .label { font-size: 0.7rem; letter-spacing: 0.25em; color: var(--muted); text-transform: uppercase; margin-bottom: 4px; }
.project-spec .value { font-family: var(--serif); font-size: 1.15rem; color: var(--navy); font-weight: 500; }

.project-gallery {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 16px;
}
.project-gallery .g {
    position: relative;
    cursor: pointer;
    overflow: hidden;
    aspect-ratio: 4/3;
}
.project-gallery .g img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 1s ease;
}
.project-gallery .g:hover img { transform: scale(1.08); }
.project-gallery .g::before {
    content: "+";
    position: absolute;
    inset: 0;
    background: rgba(15,26,42,0.6);
    color: var(--gold);
    font-size: 3rem;
    font-weight: 200;
    display: flex; align-items: center; justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
    z-index: 2;
}
.project-gallery .g:hover::before { opacity: 1; }
.project-gallery .g:nth-child(1), .project-gallery .g:nth-child(6) { grid-column: span 8; }
.project-gallery .g:nth-child(2), .project-gallery .g:nth-child(3) { grid-column: span 4; }
.project-gallery .g:nth-child(4), .project-gallery .g:nth-child(5) { grid-column: span 6; }
.project-gallery .g:nth-child(n+7) { grid-column: span 4; }

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(10,15,23,0.97);
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 60px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 100%; max-height: 100%; object-fit: contain; }
.lightbox .close, .lightbox .nav-btn {
    position: absolute;
    width: 50px; height: 50px;
    background: transparent;
    border: 1px solid var(--gold);
    color: var(--gold);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all var(--transition);
    font-size: 1.4rem;
}
.lightbox .close:hover, .lightbox .nav-btn:hover { background: var(--gold); color: var(--navy); }
.lightbox .close { top: 30px; right: 30px; }
.lightbox .nav-btn { top: 50%; transform: translateY(-50%); font-family: var(--serif); font-size: 1.8rem; }
.lightbox .nav-btn.prev { left: 30px; }
.lightbox .nav-btn.next { right: 30px; }

/* ----- Stats / Counters ----- */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 40px;
    padding: 50px 0;
}
.stat-item { text-align: center; }
.stat-item .num {
    font-family: var(--serif);
    font-size: clamp(2.5rem, 5vw, 4rem);
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    font-weight: 500;
}
.stat-item .label {
    display: block;
    margin-top: 12px;
    font-size: 0.74rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--muted);
}
.navy-bg .stat-item .label { color: rgba(255,255,255,0.7); }

/* ----- Contact ----- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; }
.contact-info-grid { display: grid; gap: 18px; margin-bottom: 30px; }
.contact-info-card {
    padding: 26px;
    border: 1px solid var(--line);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 20px;
    align-items: center;
    transition: all var(--transition);
}
.contact-info-card:hover { border-color: var(--gold); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.contact-info-card .icon {
    width: 44px; height: 44px;
    color: var(--gold);
}
.contact-info-card .icon svg { width: 100%; height: 100%; }
.contact-info-card .label {
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 4px;
}
.contact-info-card .value { font-family: var(--serif); font-size: 1.2rem; color: var(--navy); font-weight: 500; }
.contact-info-card .value a:hover { color: var(--gold); }

.contact-form { background: var(--bg-alt); padding: 44px; border-top: 4px solid var(--gold); }
.form-field { margin-bottom: 20px; }
.form-field label {
    display: block;
    font-size: 0.72rem;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
    font-weight: 500;
}
.form-field input, .form-field textarea, .form-field select {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--line);
    background: #fff;
    font-family: var(--sans);
    font-size: 0.95rem;
    color: var(--text);
    transition: border-color var(--transition);
}
.form-field textarea { min-height: 130px; resize: vertical; }
.form-field input:focus, .form-field textarea:focus, .form-field select:focus {
    outline: none;
    border-color: var(--gold);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note { font-size: 0.84rem; color: var(--muted); margin-top: 14px; text-align: center; }

.map-wrap {
    height: 440px;
    overflow: hidden;
    border: 1px solid var(--line);
}
.map-wrap iframe { width: 100%; height: 100%; border: 0; }

/* ----- CTA banner ----- */
.cta-section {
    background: var(--navy);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: "";
    position: absolute;
    right: -200px; top: -200px;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(201,169,97,0.25) 0%, transparent 70%);
}
.cta-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: center;
}
.cta-inner h2 { color: #fff; }

/* ----- Footer ----- */
.footer {
    background: var(--ink);
    color: rgba(255,255,255,0.7);
    padding: 80px 0 30px;
}
.footer a { color: rgba(255,255,255,0.7); }
.footer a:hover { color: var(--gold); }
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 60px;
    margin-bottom: 60px;
}
.footer-brand img { height: 60px; margin-bottom: 20px; filter: brightness(1.1); }
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 0.94rem; margin: 0; }
.footer h4 {
    font-family: var(--sans);
    font-size: 0.78rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 24px;
    font-weight: 600;
}
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 10px; font-size: 0.92rem; }
.footer ul li svg {
    width: 14px; height: 14px;
    color: var(--gold);
    display: inline-block;
    vertical-align: middle;
    margin-right: 8px;
}
.footer-socials { display: flex; gap: 10px; margin-top: 20px; }
.footer-socials a {
    width: 36px; height: 36px;
    border: 1px solid rgba(255,255,255,0.15);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}
.footer-socials a:hover { background: var(--gold); border-color: var(--gold); color: var(--navy); }
.footer-socials svg { width: 14px; height: 14px; }
.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.08);
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.4);
    flex-wrap: wrap;
    gap: 16px;
}

/* ----- Reveal ----- */
[data-reveal] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s ease, transform 1s ease;
    transition-delay: var(--delay, 0s);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
[data-reveal="left"] { transform: translateX(-60px); }
[data-reveal="right"] { transform: translateX(60px); }
[data-reveal="left"].is-visible, [data-reveal="right"].is-visible { transform: translateX(0); }
[data-reveal="zoom"] { transform: scale(0.92); }
[data-reveal="zoom"].is-visible { transform: scale(1); }

/* ----- FAB ----- */
.fab-group {
    position: fixed;
    right: 24px; bottom: 24px;
    z-index: 80;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.fab {
    width: 54px; height: 54px;
    border-radius: 50%;
    background: var(--gold-gradient);
    color: var(--navy);
    display: flex; align-items: center; justify-content: center;
    box-shadow: var(--shadow);
    transition: transform var(--transition);
    position: relative;
}
.fab:hover { transform: translateY(-3px); }
.fab svg { width: 26px; height: 26px; }
.fab.wa { background: #25d366; color: #fff; }
.fab.wa::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid #25d366;
    animation: pulse 2s infinite;
}
@keyframes pulse { 0% { transform: scale(1); opacity: .6 } 100% { transform: scale(1.6); opacity: 0 } }

/* ----- Responsive ----- */
@media (max-width: 1100px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .hero-stat { border-bottom: 1px solid rgba(255,255,255,.08); }
    .hero-side { display: none; }
    .hero-slide-inner { padding-left: 40px; padding-right: 40px; }
    .hero-controls { left: 40px; }
}
@media (max-width: 900px) {
    .topbar { display: none; }
    .nav-links { display: none; }
    .nav-cta { display: none; }
    .nav-toggle { display: block; }
    .nav-links.mobile-open {
        display: flex;
        position: fixed;
        top: 88px;
        left: 0; right: 0;
        flex-direction: column;
        background: #fff;
        padding: 30px;
        gap: 0;
        box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        margin: 0;
    }
    .nav-links.mobile-open > li > a { padding: 14px 0; border-bottom: 1px solid var(--line); width: 100%; }
    .nav-links.mobile-open .nav-sub { display: none; }
    .split { grid-template-columns: 1fr; gap: 40px; }
    .split.reverse .split-image { order: 0; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .project-body-grid { grid-template-columns: 1fr; gap: 40px; }
    .cta-inner { grid-template-columns: 1fr; text-align: center; }
    .project-gallery { grid-template-columns: repeat(6, 1fr); }
    .project-gallery .g { grid-column: span 6 !important; aspect-ratio: 4/3 !important; }
}
@media (max-width: 560px) {
    .hero-stats { grid-template-columns: 1fr 1fr; }
    .hero-stat { padding: 22px 14px; }
    .footer-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .contact-form { padding: 24px; }
    .project-detail-hero { height: auto; min-height: 0; padding: 150px 0 60px; }
    .project-detail-hero .content { position: static; }
    .hero { min-height: 600px; }
    .hero-slide-inner { padding: 0 22px 160px; }
    .hero-controls { left: 22px; bottom: 140px; gap: 16px; }
    .hero-arrow { width: 44px; height: 44px; font-size: 1.3rem; }
    .project-swiper-main .ps-arrow { width: 44px; height: 44px; font-size: 1.3rem; }
    .project-swiper-main .ps-arrow.prev { left: 12px; }
    .project-swiper-main .ps-arrow.next { right: 12px; }
    .project-swiper-main .ps-counter { bottom: 12px; right: 12px; padding: 8px 14px; font-size: 0.88rem; }
}