/* ═══════════════════════════════════════════════════════════
   EMR ŞAHİN GROUP — Frontend Design System
   Tasarım referansı: index-yeni.html
   ═══════════════════════════════════════════════════════════ */

:root {
    --ink:       #07112b;
    --ink-deep:  #040c1e;
    --ink-mid:   #0d1f47;
    --ink-lift:  #162b5e;
    --silver-1:  #dce4f0;
    --silver-2:  #aab8d0;
    --silver-3:  #6b7e9e;
    --gold-deep: #8a5e10;
    --gold:      #c8912a;
    --gold-warm: #e8b84a;
    --gold-pale: #f5d888;
    --white:     #f8fafd;
    --line:      rgba(220,228,240,.1);
    --line-gold: rgba(200,145,42,.2);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--ink-deep);
    color: var(--silver-1);
    overflow-x: hidden;
}

/* ── GRAIN OVERLAY ── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 1;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
    opacity: .025;
    pointer-events: none;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px }
::-webkit-scrollbar-track { background: var(--ink-deep) }
::-webkit-scrollbar-thumb { background: var(--ink-lift); border-radius: 2px }

/* ── MOBİL HAMBURGER ── */
.nav-burger {
    display: none;
    flex-direction: column; justify-content: center;
    gap: 5px; width: 32px; height: 32px;
    cursor: pointer; background: none; border: none; padding: 0;
}
.nav-burger span {
    display: block; height: 1px; background: var(--silver-2);
    transition: transform .25s, opacity .25s;
}
.nav-burger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg) }
.nav-burger.open span:nth-child(2) { opacity: 0 }
.nav-burger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg) }

.nav-mobile-menu {
    display: none;
    position: fixed; top: 76px; left: 0; right: 0; bottom: 0;
    background: rgba(4,12,30,.97);
    backdrop-filter: blur(20px);
    padding: 48px 6%;
    flex-direction: column; gap: 0;
    z-index: 199;
    border-top: 1px solid var(--line);
}
.nav-mobile-menu.open { display: flex }
.nav-mobile-menu a {
    display: block; padding: 18px 0;
    font-size: 1.5rem; font-family: 'Cormorant Garamond', serif;
    font-weight: 300; color: var(--silver-2);
    text-decoration: none; border-bottom: 1px solid var(--line);
    transition: color .2s, padding-left .2s;
    letter-spacing: .02em;
}
.nav-mobile-menu a:hover { color: var(--white); padding-left: 12px }
.nav-mobile-menu .mobile-lang {
    display: flex; gap: 8px; margin-top: 32px;
}

/* ══════════════════════════════════
   NAV
══════════════════════════════════ */
.fe-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 6%;
    height: 76px;
    background: #0d0f4a;
    border-bottom: 1px solid rgba(255,255,255,.08);
    transition: background .4s, border-color .4s;
}
.fe-nav.scrolled {
    background: #080a38;
    border-color: var(--line);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0;
    text-decoration: none;
}
.nav-logo-bar {
    width: 3px;
    height: 36px;
    background: linear-gradient(to bottom, var(--gold-warm), var(--gold-deep));
    margin-right: 14px;
    border-radius: 2px;
}
.nav-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}
.nav-logo-text b {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.45rem;
    letter-spacing: .14em;
    background: linear-gradient(135deg, var(--white), var(--silver-1));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.nav-logo-text small {
    font-size: .6rem;
    letter-spacing: .22em;
    color: var(--gold);
    text-transform: uppercase;
    margin-top: 2px;
}
.nav-logo-img {
    height: 64px;
    width: auto;
    max-width: 260px;
    object-fit: contain;
    display: block;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0;
}
.nav-links a {
    padding: 8px 18px;
    font-size: .78rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--silver-1);
    text-decoration: none;
    font-weight: 500;
    transition: color .25s;
    position: relative;
    cursor: pointer;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%; right: 50%;
    height: 1px;
    background: var(--gold-warm);
    transition: left .3s, right .3s;
}
.nav-links a:hover, .nav-links a.active { color: var(--white) }
.nav-links a:hover::after, .nav-links a.active::after { left: 18px; right: 18px }

.nav-cta {
    display: flex;
    align-items: center;
    gap: 14px;
}

/* Dil Switcher */
.lang-sw { display: flex; gap: 4px }
.lang-sw a {
    font-size: .7rem;
    letter-spacing: .1em;
    font-weight: 500;
    padding: 4px 9px;
    border-radius: 2px;
    text-decoration: none;
    transition: all .2s;
    cursor: pointer;
}
.lang-sw a.on { background: var(--gold); color: var(--ink-deep) }
.lang-sw a:not(.on) { color: var(--silver-3); border: 1px solid var(--line) }

.nav-contact-btn {
    padding: 9px 22px;
    border: 1px solid var(--line-gold);
    background: transparent;
    color: var(--gold-warm);
    font-size: .75rem;
    letter-spacing: .12em;
    font-weight: 500;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 2px;
    transition: background .2s, color .2s;
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
}
.nav-contact-btn:hover { background: var(--gold); color: var(--ink-deep); border-color: var(--gold) }

/* ══════════════════════════════════
   HERO
══════════════════════════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: 76px 6% 80px;
    overflow: hidden;
}
.hero-bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 80% 70% at 60% 50%, rgba(22,43,94,.7) 0%, transparent 65%),
        radial-gradient(ellipse 40% 50% at 10% 90%, rgba(200,145,42,.07) 0%, transparent 55%),
        linear-gradient(180deg, var(--ink-deep) 0%, var(--ink) 100%);
}
.hero-grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 60% 50%, black 0%, transparent 70%);
}
.hero-left { position: relative; z-index: 2; padding-top: 76px }

.hero-eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 36px;
    animation: revealUp .8s .2s both;
}
.eyebrow-line { width: 40px; height: 1px; background: linear-gradient(90deg, var(--gold), transparent) }
.eyebrow-text { font-size: .68rem; letter-spacing: .25em; text-transform: uppercase; color: var(--gold); font-weight: 500 }

.hero-h1 {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(3rem, 5.5vw, 5.5rem);
    font-weight: 300;
    line-height: 1.04;
    letter-spacing: -.01em;
    margin-bottom: 32px;
    animation: revealUp .8s .35s both;
}
.hero-h1 em {
    font-style: italic;
    background: linear-gradient(135deg, var(--gold-warm), var(--gold-pale));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-h1 .block { display: block }

.hero-desc {
    font-size: 1rem;
    font-weight: 300;
    color: var(--silver-3);
    line-height: 1.8;
    max-width: 420px;
    margin-bottom: 48px;
    animation: revealUp .8s .5s both;
}
.hero-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    animation: revealUp .8s .65s both;
}

/* Hero Right Visual */
.hero-right {
    position: relative; z-index: 2;
    padding-top: 76px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.hero-visual { position: relative; width: 420px; height: 420px }
.ring-outer {
    position: absolute; inset: 0;
    border-radius: 50%;
    border: 1px solid rgba(200,145,42,.2);
    animation: rotate 30s linear infinite;
}
.ring-outer::before {
    content: ''; position: absolute;
    top: -3px; left: 50%; transform: translateX(-50%);
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--gold-warm);
    box-shadow: 0 0 12px var(--gold-warm);
}
.ring-inner {
    position: absolute; inset: 40px;
    border-radius: 50%;
    border: 1px solid rgba(220,228,240,.08);
    animation: rotate 20s linear infinite reverse;
}
.hero-center {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
}
.hero-center-glow {
    width: 200px; height: 200px; border-radius: 50%;
    background: radial-gradient(circle, rgba(200,145,42,.15) 0%, transparent 70%);
}

/* Stat diamonds */
.stat-diamond {
    position: absolute;
    display: flex; flex-direction: column;
    align-items: center; text-align: center;
}
.sd-1 { top: 10px; left: 50%; transform: translateX(-50%) }
.sd-2 { bottom: 10px; left: 50%; transform: translateX(-50%) }
.sd-3 { left: 10px; top: 50%; transform: translateY(-50%) }
.sd-4 { right: 10px; top: 50%; transform: translateY(-50%) }
.sd-num {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.6rem; letter-spacing: .06em;
    background: linear-gradient(135deg, var(--gold-warm), var(--gold-pale));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    line-height: 1;
}
.sd-lbl { font-size: .6rem; letter-spacing: .14em; color: var(--silver-3); text-transform: uppercase; font-weight: 500; margin-top: 3px }

/* Corner markers */
.corner-mark { position: absolute; width: 16px; height: 16px }
.cm-tl { top: 30px; left: 30px; border-top: 1px solid var(--gold); border-left: 1px solid var(--gold) }
.cm-tr { top: 30px; right: 30px; border-top: 1px solid var(--gold); border-right: 1px solid var(--gold) }
.cm-bl { bottom: 30px; left: 30px; border-bottom: 1px solid var(--gold); border-left: 1px solid var(--gold) }
.cm-br { bottom: 30px; right: 30px; border-bottom: 1px solid var(--gold); border-right: 1px solid var(--gold) }

@keyframes rotate { to { transform: rotate(360deg) } }

/* Ticker */
.ticker {
    position: absolute; bottom: 0; left: 0; right: 0;
    border-top: 1px solid var(--line);
    height: 52px;
    display: flex; align-items: center;
    overflow: hidden;
    background: rgba(4,12,30,.6);
    backdrop-filter: blur(8px);
}
.ticker-track {
    display: flex; gap: 0;
    animation: ticker-anim 20s linear infinite;
    white-space: nowrap;
}
.ticker-item {
    padding: 0 48px;
    font-size: .68rem; letter-spacing: .2em; text-transform: uppercase;
    color: var(--silver-3); font-weight: 500;
    border-right: 1px solid var(--line);
    display: flex; align-items: center; gap: 12px;
    height: 52px;
}
.ticker-item span { color: var(--gold); font-weight: 600 }
@keyframes ticker-anim { 0% { transform: translateX(0) } 100% { transform: translateX(-50%) } }

/* ══════════════════════════════════
   BUTTONS
══════════════════════════════════ */
.btn-gold {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 36px;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-warm) 100%);
    color: var(--ink-deep);
    font-size: .78rem; letter-spacing: .14em; font-weight: 500;
    text-transform: uppercase; text-decoration: none;
    border: none; border-radius: 2px; cursor: pointer;
    position: relative; overflow: hidden;
    box-shadow: 0 0 40px rgba(200,145,42,.3);
    font-family: 'DM Sans', sans-serif;
    transition: box-shadow .3s, transform .2s;
}
.btn-gold::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, var(--gold-warm), var(--gold-pale));
    opacity: 0; transition: opacity .3s;
}
.btn-gold:hover { box-shadow: 0 0 60px rgba(200,145,42,.5); transform: translateY(-2px) }
.btn-gold:hover::before { opacity: 1 }
.btn-gold span, .btn-gold svg { position: relative; z-index: 1 }

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 28px;
    background: transparent;
    border: 1px solid var(--line);
    color: var(--silver-2);
    font-size: .78rem; letter-spacing: .12em; font-weight: 500;
    text-transform: uppercase; text-decoration: none;
    border-radius: 2px; cursor: pointer;
    font-family: 'DM Sans', sans-serif;
    transition: border-color .3s, color .3s;
}
.btn-ghost:hover { border-color: var(--silver-2); color: var(--white) }

/* ══════════════════════════════════
   KİMİZ — SİNEMATİK
══════════════════════════════════ */
.cinematic-about {
    border-top: 1px solid var(--line);
    padding: 100px 6% 0;
    position: relative;
    text-align: center;
}
.cinematic-about::before {
    content: ''; position: absolute;
    top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.ca-eyebrow {
    display: flex; align-items: center; gap: 20px;
    justify-content: center; margin-bottom: 52px;
}
.ca-line { flex: 1; max-width: 80px; height: 1px; background: var(--line); }
.ca-tag {
    font-size: .62rem; letter-spacing: .3em;
    color: var(--gold); text-transform: uppercase; font-weight: 600;
    white-space: nowrap;
}
.ca-headline {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(3.5rem, 7vw, 7rem);
    font-weight: 300; line-height: 1;
    color: var(--silver-1);
    max-width: 900px; margin: 0 auto 72px;
}
.ca-headline span { display: block; }
.ca-headline em {
    font-style: italic; color: var(--gold-warm);
    display: block;
}
.ca-stat-band {
    display: flex; align-items: center; justify-content: center;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}
.ca-stat {
    padding: 36px 56px;
    text-align: center;
}
.ca-stat b {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 3rem; letter-spacing: .06em; line-height: 1;
    color: var(--gold-warm); display: block;
}
.ca-stat b i { font-style: normal; font-size: 1.4rem; vertical-align: top; }
.ca-stat span {
    font-size: .6rem; letter-spacing: .2em;
    color: var(--silver-3); text-transform: uppercase;
    font-weight: 500; display: block; margin-top: 6px;
}
.ca-stat-sep {
    width: 1px; height: 52px; background: var(--line); flex-shrink: 0;
}
.ca-text-wrap {
    display: grid; grid-template-columns: 1fr 1fr;
    border-top: 1px solid var(--line);
    margin-top: 0;
    text-align: left;
}
.ca-text {
    padding: 56px 6%;
    font-size: 1rem; font-weight: 300;
    color: var(--silver-3); line-height: 1.9;
}
.ca-text:first-child { border-right: 1px solid var(--line); }
.ca-text strong { color: var(--silver-1); font-weight: 500; }

/* ══════════════════════════════════
   HİZMETLER — TAB SPOTLIGHT
══════════════════════════════════ */
.spotlight-section {
    padding: 120px 6%;
    border-top: 1px solid var(--line);
}
.spotlight-header { margin-bottom: 56px; }
.spotlight-eyebrow {
    font-size: .62rem; letter-spacing: .26em; text-transform: uppercase;
    color: var(--gold); font-weight: 600; display: block; margin-bottom: 12px;
}
.spotlight-header-row {
    display: flex; justify-content: space-between; align-items: flex-end;
}
.spotlight-header-row h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(2rem, 3vw, 2.8rem);
    font-weight: 300; color: var(--silver-1); line-height: 1.1;
}
.spotlight-header-row h2 em { font-style: italic; color: var(--gold-warm); }
.spotlight-cta-link {
    font-size: .7rem; letter-spacing: .15em; text-transform: uppercase;
    color: var(--gold); text-decoration: none;
    display: flex; align-items: center; gap: 8px;
    transition: gap .3s;
}
.spotlight-cta-link:hover { gap: 14px; }

.spotlight-body {
    display: grid; grid-template-columns: 2fr 3fr;
    border: 1px solid var(--line);
    min-height: 400px;
}

/* Sol: tıklanabilir liste */
.spotlight-nav {
    border-right: 1px solid var(--line);
    display: flex; flex-direction: column;
}
.spotlight-btn {
    display: flex; align-items: center; gap: 16px;
    padding: 22px 28px;
    border: none; background: transparent;
    border-bottom: 1px solid var(--line);
    cursor: pointer; text-align: left;
    transition: background .2s;
    position: relative;
}
.spotlight-btn:last-child { border-bottom: none; }
.spotlight-btn::before {
    content: ''; position: absolute;
    left: 0; top: 0; bottom: 0; width: 3px;
    background: var(--gold);
    transform: scaleY(0); transform-origin: bottom;
    transition: transform .3s;
}
.spotlight-btn.is-active::before { transform: scaleY(1); }
.spotlight-btn.is-active { background: rgba(200,145,42,.05); }
.spotlight-btn:hover:not(.is-active) { background: rgba(255,255,255,.02); }

.spotlight-btn-num {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.1rem; letter-spacing: .08em;
    color: rgba(200,145,42,.4);
    flex-shrink: 0; line-height: 1;
    transition: color .2s;
}
.spotlight-btn.is-active .spotlight-btn-num { color: var(--gold); }

.spotlight-btn-title {
    font-size: .9rem; font-weight: 400;
    color: var(--silver-3); flex: 1; line-height: 1.3;
    transition: color .2s;
}
.spotlight-btn.is-active .spotlight-btn-title { color: var(--silver-1); }

.spotlight-btn-chevron {
    color: var(--gold); opacity: 0;
    font-size: .85rem;
    transition: opacity .2s;
    flex-shrink: 0;
}
.spotlight-btn.is-active .spotlight-btn-chevron { opacity: 1; }

/* Sağ: detay paneli */
.spotlight-display {
    padding: 52px 48px;
    position: relative;
    display: flex; align-items: center;
}
.spotlight-panel { width: 100%; }

.spotlight-panel-num {
    font-family: 'Bebas Neue', sans-serif;
    font-size: .75rem; letter-spacing: .2em;
    color: var(--gold); margin-bottom: 24px; display: block;
}
.spotlight-panel-icon {
    width: 48px; height: 48px;
    margin-bottom: 28px; display: block;
    color: var(--gold);
}
.spotlight-panel-icon svg {
    width: 100%; height: 100%;
    display: block;
}
.spotlight-panel-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.4rem; font-weight: 300;
    color: var(--silver-1); margin-bottom: 20px; line-height: 1.1;
}
.spotlight-panel-desc {
    font-size: .95rem; font-weight: 300;
    color: var(--silver-3); line-height: 1.85; max-width: 500px;
}

/* Alpine.js transition */
.sp-enter { transition: opacity .3s ease, transform .3s ease; }
.sp-enter-start { opacity: 0; transform: translateY(12px); }
.sp-enter-end   { opacity: 1; transform: translateY(0); }

/* ══════════════════════════════════
   PROCESS
══════════════════════════════════ */
.process {
    padding: 120px 6%;
    background: var(--ink);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    position: relative;
}
.process::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.process-title { text-align: center; margin-bottom: 72px }
.process-title .sub {
    font-size: .68rem; letter-spacing: .24em; text-transform: uppercase;
    color: var(--gold); margin-bottom: 16px; display: block;
}
.process-title h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 300; color: var(--silver-1);
}
.process-steps {
    display: grid; grid-template-columns: repeat(4, 1fr);
    position: relative; gap: 0;
}
.process-steps::before {
    content: ''; position: absolute;
    top: 32px; left: 8%; right: 8%; height: 1px;
    background: linear-gradient(90deg, var(--gold-deep), var(--gold-warm), var(--gold-deep));
    z-index: 0;
}
.pstep { text-align: center; padding: 0 24px; position: relative; z-index: 1 }
.pstep-dot {
    width: 64px; height: 64px; border-radius: 50%;
    background: var(--ink);
    border: 1px solid var(--gold);
    display: flex; align-items: center; justify-content: center;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.3rem; letter-spacing: .08em;
    color: var(--gold-warm);
    margin: 0 auto 28px;
    position: relative;
    transition: background .3s, box-shadow .3s;
}
.pstep:hover .pstep-dot { background: rgba(200,145,42,.1); box-shadow: 0 0 30px rgba(200,145,42,.3) }
.pstep h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.15rem; font-weight: 400;
    color: var(--silver-1); margin-bottom: 12px;
}
.pstep p { font-size: .8rem; font-weight: 300; color: var(--silver-3); line-height: 1.7 }

/* ══════════════════════════════════
   ÜRETİM ÖZELLİKLERİ — KURUMSAL KARTLAR
══════════════════════════════════ */
.feat-section {
    padding: 100px 6% 120px;
    border-top: 1px solid var(--line);
}
.feat-head {
    margin-bottom: 64px;
}
.feat-eyebrow {
    font-size: .62rem; letter-spacing: .28em; text-transform: uppercase;
    color: var(--gold); font-weight: 600; display: block; margin-bottom: 14px;
}
.feat-head h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(2rem, 3vw, 2.8rem);
    font-weight: 300; color: var(--silver-1); line-height: 1.1;
}
.feat-head h2 em { font-style: italic; color: var(--gold-warm); }

.feat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
}

.feat-card {
    background: var(--ink-deep);
    padding: 44px 36px 40px;
    position: relative;
    overflow: hidden;
    transition: background .3s;
    display: flex;
    flex-direction: column;
}
.feat-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), var(--gold-warm));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .4s ease;
}
.feat-card:hover::after { transform: scaleX(1); }
.feat-card:hover { background: #0a1428; }

.feat-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 28px;
}
.feat-card-num {
    font-family: 'Bebas Neue', sans-serif;
    font-size: .9rem; letter-spacing: .14em;
    color: rgba(200,145,42,.35);
    line-height: 1;
    transition: color .3s;
}
.feat-card:hover .feat-card-num { color: var(--gold); }

.feat-card-icon {
    width: 28px; height: 28px; flex-shrink: 0;
    color: rgba(200,145,42,.45);
    transition: color .3s, transform .3s;
}
.feat-card-icon svg { width: 100%; height: 100%; display: block; }
.feat-card:hover .feat-card-icon { color: var(--gold); transform: scale(1.08); }

.feat-card-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.45rem;
    font-weight: 400;
    color: var(--silver-1);
    line-height: 1.25;
    margin-bottom: 16px;
    flex: 1;
}

.feat-card-tag {
    font-size: .6rem;
    letter-spacing: .15em;
    text-transform: uppercase;
    color: var(--silver-3);
    line-height: 1.7;
    margin-bottom: 24px;
}

.feat-card-line {
    width: 32px; height: 1px;
    background: var(--gold);
    opacity: .4;
    transition: width .35s, opacity .35s;
}
.feat-card:hover .feat-card-line { width: 56px; opacity: 1; }

/* ══════════════════════════════════
   QUOTE / TESTIMONIAL
══════════════════════════════════ */
.quote-section {
    padding: 100px 6%;
    text-align: center;
    border-bottom: 1px solid var(--line);
    position: relative;
    background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(22,43,94,.3) 0%, transparent 70%);
}
.quote-mark {
    font-family: 'Cormorant Garamond', serif;
    font-size: 8rem; line-height: .5;
    color: rgba(200,145,42,.12);
    font-weight: 600;
    margin-bottom: 32px; display: block;
}
.quote-section blockquote {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    font-weight: 300; font-style: italic;
    color: var(--silver-1);
    max-width: 760px; margin: 0 auto 32px;
    line-height: 1.55; letter-spacing: .01em;
}
.quote-section cite {
    font-size: .72rem; letter-spacing: .2em; text-transform: uppercase;
    color: var(--gold); font-style: normal; font-weight: 500;
}

/* ══════════════════════════════════
   CTA FINALE
══════════════════════════════════ */
.finale {
    padding: 120px 6%;
    display: grid; grid-template-columns: 1.2fr 1fr;
    gap: 80px; align-items: center;
    border-bottom: 1px solid var(--line);
    position: relative; overflow: hidden;
}
.finale::after {
    content: ''; position: absolute;
    right: -100px; top: 50%; transform: translateY(-50%);
    width: 400px; height: 400px; border-radius: 50%;
    background: radial-gradient(circle, rgba(200,145,42,.05), transparent 70%);
    pointer-events: none;
}
.finale h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(2.5rem, 4.5vw, 4rem);
    font-weight: 300; line-height: 1.08; margin-bottom: 12px;
}
.finale h2 em { font-style: italic; color: var(--gold-warm) }
.finale-sub { font-size: .9rem; font-weight: 300; color: var(--silver-3); line-height: 1.7; max-width: 440px }
.finale-actions { display: flex; flex-direction: column; gap: 16px }
.finale-info {
    display: flex; align-items: center; gap: 14px;
    padding: 16px 0; border-bottom: 1px solid var(--line);
}
.finale-info .fi-icon {
    width: 40px; height: 40px; border-radius: 50%;
    border: 1px solid var(--line-gold);
    display: flex; align-items: center; justify-content: center;
    font-size: .95rem; flex-shrink: 0;
}
.finale-info .fi-text strong { display: block; font-size: .8rem; font-weight: 500; color: var(--silver-1); letter-spacing: .04em }
.finale-info .fi-text span { font-size: .72rem; color: var(--silver-3) }

/* ══════════════════════════════════
   FOOTER
══════════════════════════════════ */
footer.fe-footer {
    padding: 72px 6% 40px;
    background: var(--ink-deep);
}
.footer-top {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px; padding-bottom: 48px;
    border-bottom: 1px solid var(--line); margin-bottom: 32px;
}
.footer-brand-name {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.6rem; letter-spacing: .12em;
    background: linear-gradient(135deg, var(--white), var(--silver-2));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    margin-bottom: 16px; display: block;
}
.footer-brand p { font-size: .83rem; font-weight: 300; color: var(--silver-3); line-height: 1.8; max-width: 280px }
.footer-col-title {
    font-size: .65rem; letter-spacing: .2em; text-transform: uppercase;
    color: var(--gold); font-weight: 600; margin-bottom: 20px;
    display: flex; align-items: center; gap: 8px;
}
.footer-col-title::before { content: ''; width: 14px; height: 1px; background: var(--gold) }
.footer-col ul { list-style: none }
.footer-col ul li { margin-bottom: 10px }
.footer-col ul li a {
    font-size: .83rem; font-weight: 300;
    color: var(--silver-3); text-decoration: none;
    transition: color .2s, padding-left .2s; display: block;
}
.footer-col ul li a:hover { color: var(--silver-1); padding-left: 6px }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px }
.footer-bottom p { font-size: .72rem; color: var(--silver-3); letter-spacing: .06em }
.footer-bottom a { color: var(--gold); text-decoration: none }

/* ══════════════════════════════════
   İÇ SAYFA — ORTAK YAPISI
══════════════════════════════════ */
.page-hero {
    padding: 140px 6% 72px;
    background:
        radial-gradient(ellipse 70% 60% at 50% 0%, rgba(22,43,94,.5) 0%, transparent 65%),
        linear-gradient(180deg, var(--ink) 0%, var(--ink-deep) 100%);
    border-bottom: 1px solid var(--line);
    position: relative;
    overflow: hidden;
    text-align: center;
}
.page-hero::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.page-hero-eyebrow {
    font-size: .68rem; letter-spacing: .24em; text-transform: uppercase;
    color: var(--gold); font-weight: 500; margin-bottom: 20px; display: block;
}
.page-hero h1 {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 300; line-height: 1.1;
    color: var(--silver-1); margin-bottom: 20px;
}
.page-hero h1 em { font-style: italic; color: var(--gold-warm) }
.page-hero p {
    font-size: 1rem; font-weight: 300; color: var(--silver-3);
    max-width: 560px; margin: 0 auto 32px; line-height: 1.75;
}
.page-breadcrumb {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: .72rem; letter-spacing: .08em; text-transform: uppercase;
    color: var(--silver-3); margin-top: 12px;
}
.page-breadcrumb a { color: var(--silver-3); text-decoration: none; transition: color .2s }
.page-breadcrumb a:hover { color: var(--gold) }
.page-breadcrumb span { color: var(--silver-1) }
.page-breadcrumb svg { width: 12px; height: 12px; opacity: .5 }

.page-section {
    padding: 80px 6%;
    border-bottom: 1px solid var(--line);
}
.page-section > *:not(.products-layout):not(.products-grid):not(.gallery-grid):not(.gallery-filter):not(.catalog-grid):not(.references-grid):not(.contact-layout):not(.corporate-content):not(.catalog-flipbook):not(.catalog-viewer) {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

/* ── ÜRÜNLER ────────────────────────────────────────────── */
.products-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 48px; align-items: start;
}
.products-sidebar {
    position: sticky; top: 96px;
}
.ps-title {
    font-size: .65rem; letter-spacing: .2em; text-transform: uppercase;
    color: var(--gold); font-weight: 600; margin-bottom: 16px;
    display: flex; align-items: center; gap: 8px;
}
.ps-title::before { content: ''; width: 14px; height: 1px; background: var(--gold) }
.ps-link {
    display: block; padding: 9px 14px;
    font-size: .8rem; font-weight: 400;
    color: var(--silver-3); text-decoration: none;
    border: 1px solid transparent; border-radius: 2px;
    transition: all .2s; margin-bottom: 4px;
}
.ps-link:hover { color: var(--silver-1); border-color: var(--line) }
.ps-link.active { color: var(--gold-warm); border-color: var(--line-gold); background: rgba(200,145,42,.05) }

.products-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.product-card {
    background: var(--ink);
    border: 1px solid var(--line);
    border-radius: 2px;
    padding: 28px; position: relative; overflow: hidden;
    transition: background .3s, border-color .3s; cursor: pointer;
    text-decoration: none; display: block;
}
.product-card:hover { background: var(--ink-mid); border-color: var(--line-gold) }
.product-card::after {
    content: ''; position: absolute;
    bottom: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, var(--gold), var(--gold-warm));
    transform: scaleX(0); transform-origin: left; transition: transform .4s;
}
.product-card:hover::after { transform: scaleX(1) }
.product-thumb {
    width: 100%; aspect-ratio: 4/3;
    background: var(--ink-mid);
    border-radius: 2px; margin-bottom: 20px;
    overflow: hidden; display: flex; align-items: center; justify-content: center;
}
.product-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s }
.product-card:hover .product-thumb img { transform: scale(1.05) }
.product-thumb-placeholder { font-size: 3rem; opacity: .2 }
.product-card-cat {
    font-size: .65rem; letter-spacing: .2em; text-transform: uppercase;
    color: var(--gold); font-weight: 500; margin-bottom: 10px;
}
.product-card h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.2rem; font-weight: 400;
    color: var(--silver-1); margin-bottom: 10px; line-height: 1.3;
}
.product-card p {
    font-size: .82rem; font-weight: 300;
    color: var(--silver-3); line-height: 1.65; margin-bottom: 18px;
}
.product-card-arrow {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: .72rem; letter-spacing: .12em; text-transform: uppercase;
    color: var(--gold); transition: gap .3s;
}
.product-card:hover .product-card-arrow { gap: 12px }

.products-empty {
    grid-column: 1 / -1;
    text-align: center; padding: 80px;
    color: var(--silver-3); font-size: .9rem;
}

/* ── ÜRÜN DETAY ─────────────────────────────────────────── */
.product-detail-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 64px; align-items: start;
}
.product-gallery-main {
    aspect-ratio: 4/3; background: var(--ink-mid);
    border: 1px solid var(--line); border-radius: 2px;
    overflow: hidden; display: flex; align-items: center; justify-content: center;
}
.product-gallery-main img { width: 100%; height: 100%; object-fit: cover }
.product-gallery-thumbs {
    display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap;
}
.product-thumb-btn {
    width: 72px; height: 72px; border-radius: 2px; overflow: hidden;
    border: 1px solid var(--line); cursor: pointer; transition: border-color .2s;
    background: var(--ink-mid); flex-shrink: 0;
}
.product-thumb-btn:hover, .product-thumb-btn.active { border-color: var(--gold) }
.product-thumb-btn img { width: 100%; height: 100%; object-fit: cover }
.product-detail-meta { padding-top: 8px }
.product-detail-cat {
    font-size: .65rem; letter-spacing: .2em; text-transform: uppercase;
    color: var(--gold); margin-bottom: 12px; display: block;
}
.product-detail-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 300; color: var(--silver-1); margin-bottom: 20px; line-height: 1.15;
}
.product-detail-desc {
    font-size: .92rem; font-weight: 300; color: var(--silver-3);
    line-height: 1.85; margin-bottom: 36px;
}
.product-features-title {
    font-size: .68rem; letter-spacing: .2em; text-transform: uppercase;
    color: var(--gold); margin-bottom: 16px; font-weight: 600;
    display: flex; align-items: center; gap: 8px;
}
.product-features-title::before { content: ''; width: 18px; height: 1px; background: var(--gold) }
.product-feature-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 12px 0; border-bottom: 1px solid var(--line);
    font-size: .84rem;
}
.product-feature-row:last-child { border-bottom: none }
.product-feature-row span:first-child { color: var(--silver-3); font-weight: 300 }
.product-feature-row span:last-child { color: var(--silver-1); font-weight: 500 }
.product-cta-box {
    margin-top: 36px; padding: 24px;
    border: 1px solid var(--line-gold);
    background: rgba(200,145,42,.04);
    border-radius: 2px;
}
.product-cta-box p { font-size: .82rem; color: var(--silver-3); margin-bottom: 16px }

/* ── GALERİ ─────────────────────────────────────────────── */
.gallery-filter {
    display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 40px;
}
.gallery-filter-btn {
    padding: 8px 20px; font-size: .72rem; letter-spacing: .1em;
    text-transform: uppercase; font-weight: 500;
    border: 1px solid var(--line); border-radius: 2px;
    color: var(--silver-3); background: transparent;
    cursor: pointer; transition: all .2s; font-family: 'DM Sans', sans-serif;
}
.gallery-filter-btn:hover, .gallery-filter-btn.active {
    border-color: var(--gold); color: var(--gold-warm);
    background: rgba(200,145,42,.06);
}
.gallery-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 3px;
}
.gallery-item {
    aspect-ratio: 4/3; overflow: hidden; cursor: pointer;
    position: relative; background: var(--ink-mid);
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s }
.gallery-item:hover img { transform: scale(1.08) }
.gallery-item-overlay {
    position: absolute; inset: 0;
    background: rgba(4,12,30,.6);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: opacity .3s;
}
.gallery-item:hover .gallery-item-overlay { opacity: 1 }
.gallery-zoom-icon { font-size: 1.5rem; color: var(--gold-warm) }

/* Lightbox */
.lightbox-overlay {
    position: fixed; inset: 0; z-index: 1000;
    background: rgba(4,12,30,.96);
    display: flex; align-items: center; justify-content: center;
}
.lightbox-inner { position: relative; max-width: 90vw; max-height: 90vh }
.lightbox-inner img { max-width: 90vw; max-height: 85vh; object-fit: contain; border-radius: 2px }
.lightbox-close {
    position: absolute; top: -44px; right: 0;
    width: 36px; height: 36px; border-radius: 50%;
    border: 1px solid var(--line); background: transparent; color: var(--silver-2);
    cursor: pointer; font-size: 1.1rem; display: flex; align-items: center; justify-content: center;
    font-family: inherit;
}

/* ── KATALOG ────────────────────────────────────────────── */
.catalog-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.catalog-card {
    border: 1px solid var(--line); border-radius: 2px; overflow: hidden;
    background: var(--ink); transition: border-color .3s;
    text-decoration: none; display: block;
}
.catalog-card:hover { border-color: var(--gold) }
.catalog-cover {
    aspect-ratio: 3/4; background: var(--ink-mid);
    overflow: hidden; position: relative;
}
.catalog-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s }
.catalog-card:hover .catalog-cover img { transform: scale(1.04) }
.catalog-cover-placeholder {
    display: flex; align-items: center; justify-content: center;
    font-size: 4rem; opacity: .2; width: 100%; height: 100%;
}
.catalog-info { padding: 20px }
.catalog-year {
    font-size: .65rem; letter-spacing: .2em; text-transform: uppercase;
    color: var(--gold); margin-bottom: 8px;
}
.catalog-info h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.25rem; font-weight: 400;
    color: var(--silver-1); margin-bottom: 8px;
}
.catalog-info p { font-size: .8rem; color: var(--silver-3); font-weight: 300 }
.catalog-actions {
    padding: 0 20px 20px; display: flex; gap: 10px;
}
.catalog-btn {
    flex: 1; padding: 9px; font-size: .7rem; letter-spacing: .1em;
    text-transform: uppercase; font-weight: 500; text-align: center;
    text-decoration: none; border-radius: 2px; transition: all .2s;
    font-family: 'DM Sans', sans-serif;
}
.catalog-btn-primary {
    background: var(--gold); color: var(--ink-deep);
    border: 1px solid var(--gold);
}
.catalog-btn-primary:hover { background: var(--gold-warm); border-color: var(--gold-warm) }
.catalog-btn-ghost {
    border: 1px solid var(--line); color: var(--silver-3);
}
.catalog-btn-ghost:hover { border-color: var(--silver-2); color: var(--silver-1) }

/* ── İLETİŞİM ─────────────────────────────────────────── */
.contact-layout {
    display: grid; grid-template-columns: 300px 1fr;
    gap: 64px; align-items: start;
    max-width: 1000px; margin: 0 auto;
}
.contact-info-box { position: sticky; top: 96px }
.contact-info-item {
    display: flex; align-items: flex-start; gap: 16px;
    padding: 20px 0; border-bottom: 1px solid var(--line);
}
.contact-info-item:last-child { border-bottom: none }
.contact-info-icon {
    width: 44px; height: 44px; border-radius: 50%;
    border: 1px solid var(--line-gold);
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; flex-shrink: 0;
}
.contact-info-text strong { display: block; color: var(--silver-1); font-size: .85rem; margin-bottom: 4px }
.contact-info-text span { color: var(--silver-3); font-size: .8rem; font-weight: 300 }
.contact-info-text a { color: var(--silver-3); text-decoration: none; transition: color .2s }
.contact-info-text a:hover { color: var(--gold) }

.contact-form { }
.contact-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px }
.form-group { margin-bottom: 16px }
.form-label {
    display: block; font-size: .72rem; letter-spacing: .1em;
    text-transform: uppercase; color: var(--silver-3);
    font-weight: 500; margin-bottom: 8px;
}
.form-input, .form-textarea, .form-select {
    width: 100%; padding: 14px 16px;
    background: var(--ink-mid); border: 1px solid var(--line);
    border-radius: 2px; color: var(--silver-1);
    font-family: 'DM Sans', sans-serif; font-size: .9rem; font-weight: 300;
    transition: border-color .25s;
    outline: none;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
    border-color: var(--gold);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--silver-3) }
.form-textarea { resize: vertical; min-height: 140px }
.form-select { cursor: pointer }
.form-submit {
    margin-top: 8px;
    display: inline-flex; align-items: center; gap: 12px;
    padding: 16px 40px;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-warm) 100%);
    color: var(--ink-deep); font-size: .78rem; letter-spacing: .14em;
    font-weight: 500; text-transform: uppercase;
    border: none; border-radius: 2px; cursor: pointer;
    font-family: 'DM Sans', sans-serif;
    transition: box-shadow .3s, transform .2s;
    box-shadow: 0 0 40px rgba(200,145,42,.3);
}
.form-submit:hover { box-shadow: 0 0 60px rgba(200,145,42,.5); transform: translateY(-2px) }
.form-alert { padding: 14px 18px; border-radius: 2px; margin-bottom: 20px; font-size: .85rem }
.form-alert-success { background: rgba(52,216,122,.08); border: 1px solid rgba(52,216,122,.2); color: #34d87a }
.form-alert-error { background: rgba(232,80,80,.08); border: 1px solid rgba(232,80,80,.2); color: #e85050 }

/* ── KURUMSAL ───────────────────────────────────────────── */
.corporate-content {
    max-width: 760px; margin: 0 auto;
    padding: 60px 0;
}
.corporate-content h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 300; color: var(--silver-1); margin-bottom: 24px; line-height: 1.2;
}
.corporate-content h2 em { font-style: italic; color: var(--gold-warm) }
.corporate-content p {
    font-size: .95rem; font-weight: 300; color: var(--silver-3);
    line-height: 1.9; margin-bottom: 20px;
}
.corporate-content p strong { color: var(--silver-1); font-weight: 500 }
.corporate-content .divider {
    width: 60px; height: 2px;
    background: linear-gradient(90deg, var(--gold), transparent);
    margin: 40px 0;
}

.references-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.reference-card {
    border: 1px solid var(--line); border-radius: 2px;
    padding: 28px; text-align: center;
    background: var(--ink); transition: border-color .3s, background .3s;
}
.reference-card:hover { border-color: var(--line-gold); background: var(--ink-mid) }
.reference-logo {
    width: 80px; height: 60px; margin: 0 auto 16px;
    display: flex; align-items: center; justify-content: center;
}
.reference-logo img { max-width: 100%; max-height: 100%; object-fit: contain; filter: grayscale(1) brightness(1.5); transition: filter .3s }
.reference-card:hover .reference-logo img { filter: grayscale(0) }
.reference-name { font-size: .8rem; font-weight: 400; color: var(--silver-2) }
.reference-sector { font-size: .72rem; color: var(--silver-3); margin-top: 4px }
.reference-placeholder {
    width: 60px; height: 44px; background: var(--ink-mid);
    border: 1px solid var(--line); border-radius: 4px;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--ff-display); font-size: 1rem; color: var(--gold);
    letter-spacing: .05em;
}

/* ── KATALOG VIEWER / FLİPBOOK ──────────────────────────── */
.catalog-viewer { border-radius: 12px; overflow: hidden }

.catalog-flipbook { max-width: 900px; margin: 0 auto }
.flipbook-main {
    position: relative; display: flex; align-items: center; gap: 16px;
}
.flipbook-page {
    flex: 1; border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
    background: var(--ink-mid); aspect-ratio: 3/4; display: flex;
    align-items: center; justify-content: center;
}
.flipbook-page img { width: 100%; height: 100%; object-fit: contain }
.flipbook-placeholder { padding: 4rem; text-align: center }
.flipbook-nav {
    flex-shrink: 0; width: 44px; height: 44px; border-radius: 50%;
    border: 1px solid var(--line); background: var(--ink-mid);
    color: var(--silver-2); cursor: pointer; display: flex;
    align-items: center; justify-content: center;
    transition: border-color .2s, background .2s;
}
.flipbook-nav:hover:not(:disabled) { border-color: var(--gold); color: var(--gold); background: var(--ink) }
.flipbook-nav:disabled { opacity: .3; cursor: not-allowed }
.flipbook-counter {
    text-align: center; color: var(--silver-3); font-size: .8rem;
    margin-top: 12px;
}
.flipbook-thumbs {
    display: flex; gap: 8px; flex-wrap: wrap;
    justify-content: center; margin-top: 20px;
}
.flipbook-thumb-btn {
    width: 56px; height: 72px; border-radius: 4px; overflow: hidden;
    border: 2px solid transparent; cursor: pointer; background: none;
    padding: 0; transition: border-color .2s;
}
.flipbook-thumb-btn img { width: 100%; height: 100%; object-fit: cover }
.flipbook-thumb-btn.active { border-color: var(--gold) }
.flipbook-thumb-btn:hover { border-color: var(--silver-2) }

/* ── RESPONSIVE: İÇ SAYFALAR ───────────────────────────── */
@media (max-width: 1024px) {
    .products-layout { grid-template-columns: 1fr }
    .products-sidebar { position: static }
    .products-grid { grid-template-columns: repeat(2, 1fr) }
    .contact-layout { grid-template-columns: 1fr; max-width: 600px }
    .product-detail-grid { grid-template-columns: 1fr }
    .catalog-grid { grid-template-columns: repeat(2, 1fr) }
    .references-grid { grid-template-columns: repeat(2, 1fr) }
    .contact-info-box { position: static }
}
@media (max-width: 640px) {
    .page-hero { padding: 120px 6% 48px }
    .products-grid { grid-template-columns: 1fr }
    .gallery-grid { grid-template-columns: repeat(2, 1fr) }
    .catalog-grid { grid-template-columns: 1fr }
    .references-grid { grid-template-columns: repeat(2, 1fr) }
    .contact-form-row { grid-template-columns: 1fr }
}

/* ══════════════════════════════════
   ANIMATIONS
══════════════════════════════════ */
@keyframes revealUp {
    from { opacity: 0; transform: translateY(30px) }
    to { opacity: 1; transform: translateY(0) }
}

.reveal-item {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .7s ease, transform .7s ease;
    /* JS çalışmıyorsa 1.2s sonra otomatik görünür */
    animation: revealFallback 0s 1.2s both;
}
.reveal-item.visible {
    opacity: 1;
    transform: translateY(0);
}
@keyframes revealFallback {
    to { opacity: 1; transform: translateY(0); }
}

/* ══════════════════════════════════
   RESPONSIVE
══════════════════════════════════ */
@media (max-width: 1024px) {
    .hero { grid-template-columns: 1fr; padding-top: 100px }
    .hero-right { display: none }
    /* cinematic-about */
    .ca-text-wrap { grid-template-columns: 1fr; }
    .ca-text:first-child { border-right: none; border-bottom: 1px solid var(--line); }
    .ca-stat { padding: 28px 30px; }
    /* spotlight */
    .spotlight-body { grid-template-columns: 1fr; }
    .spotlight-nav { border-right: none; border-bottom: 1px solid var(--line); }
    .spotlight-header-row { flex-direction: column; align-items: flex-start; gap: 16px; }
    /* feat cards */
    .feat-grid { grid-template-columns: repeat(2, 1fr); }
    /* ortak */
    .finale { grid-template-columns: 1fr }
    .footer-top { grid-template-columns: 1fr 1fr }
    .process-steps { grid-template-columns: repeat(2, 1fr) }
    .process-steps::before { display: none }
}
@media (max-width: 640px) {
    .nav-links { display: none }
    .nav-contact-btn { display: none }
    .nav-burger { display: flex }
    /* cinematic-about */
    .ca-stat-band { flex-wrap: wrap; }
    .ca-stat-sep { display: none; }
    .ca-stat { padding: 20px 20px; }
    .spotlight-display { padding: 36px 28px; }
    /* feat cards */
    .feat-grid { grid-template-columns: 1fr; }
    /* ortak */
    .footer-top { grid-template-columns: 1fr }
}