/**
 * CBH intro + k-torn proje bölümü
 */

/* ── Intro ── */
#intro {
    position: fixed;
    inset: 0;
    z-index: 8900;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    pointer-events: none;
}

#intro-red {
    position: absolute;
    inset: 0;
    background: var(--R);
    transform: scaleY(0);
    transform-origin: bottom;
    z-index: 1;
}

#intro-logo-wrap {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.4);
}

#intro-logo {
    width: clamp(72px, 12vw, 120px);
    filter: invert(1);
}

#intro-sweep {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--R);
    box-shadow: -40px 0 80px 30px var(--RG-glow), 40px 0 80px 30px var(--RG-glow);
    left: -4px;
    z-index: 3;
    opacity: 0;
}

#intro-letters {
    position: absolute;
    z-index: 4;
    display: flex;
    align-items: center;
    gap: clamp(16px, 3vw, 40px);
    opacity: 0;
}

.il {
    font-family: var(--F);
    font-size: clamp(5rem, 16vw, 18rem);
    color: #fff;
    line-height: 1;
    display: inline-block;
}

#intro-flash {
    position: fixed;
    inset: 0;
    background: #fff;
    opacity: 0;
    z-index: 8800;
    pointer-events: none;
}

#intro-progress {
    position: absolute;
    bottom: 12%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    width: 100%;
    z-index: 20;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

.intro-progress-label {
    display: block;
    font-family: monospace;
    font-size: 9px;
    letter-spacing: 5px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.3);
    margin-bottom: 12px;
    font-weight: 300;
}

#prog-num {
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 32px;
    font-weight: 100;
    color: #fff;
    letter-spacing: -1px;
    font-variant-numeric: tabular-nums;
}

#intro-progress::after {
    content: '';
    display: block;
    width: 30px;
    height: 1px;
    background: var(--R);
    margin: 15px auto 0;
    opacity: 0.8;
}

.pv {
    position: fixed;
    inset: 0;
    background: var(--K);
    z-index: 8200;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s var(--E);
}

.pv.gone {
    opacity: 0;
    pointer-events: none;
}

.pv img {
    width: 50px;
    animation: pvp 1.4s ease-in-out infinite;
}

@keyframes pvp {
    0%, 100% { opacity: 0.2; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1.1); }
}

.hero-title .char {
    display: inline-block;
    opacity: 0;
    transform: translateY(-100px) rotateX(90deg);
    transform-origin: 50% 0;
}

.hero-title__stack {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    gap: 0.04em;
}

.hero-title__line {
    display: block;
    white-space: nowrap;
    line-height: 0.92;
    letter-spacing: inherit;
}

.hero-scroll-hint { opacity: 0; }

/* ── k-torn section wrapper ── */
.ktorn-section {
    position: relative;
    z-index: 6;
    background: var(--K);
    padding: clamp(70px, 10vh, 120px) 0 0;
}

.ktorn-head {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 clamp(22px, 6vw, 110px) clamp(48px, 7vh, 90px);
}

.k-torn {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    background: #060606;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    min-height: clamp(520px, 72vh, 860px);
    display: flex;
    align-items: stretch;
    z-index: 5;
    cursor: crosshair;
}

.k-torn::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
    background-size: 256px 256px;
    opacity: 0.055;
    pointer-events: none;
    z-index: 0;
    mix-blend-mode: overlay;
}

.k-torn::after {
    content: '';
    position: absolute;
    width: 60%;
    aspect-ratio: 1/1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, var(--RG-soft) 0%, transparent 68%);
    pointer-events: none;
    z-index: 0;
    filter: blur(40px);
}

.k-torn-inner {
    position: relative;
    z-index: 2;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: inherit;
}

.k-torn-left {
    position: relative;
    padding: clamp(28px, 3.5vw, 48px) clamp(24px, 3vw, 52px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-right: 1px solid rgba(255, 255, 255, 0.07);
    overflow: hidden;
}

.k-torn--flip .k-torn-left {
    order: 2;
    border-right: none;
    border-left: 1px solid rgba(255, 255, 255, 0.07);
}

.k-torn--flip .k-torn-right {
    order: 1;
}

.k-torn-bgnum {
    position: absolute;
    bottom: -0.18em;
    left: -0.06em;
    font-family: var(--F);
    font-size: clamp(14rem, 28vw, 32rem);
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1px rgba(255, 255, 255, 0.04);
    pointer-events: none;
    z-index: 0;
    user-select: none;
    letter-spacing: -0.06em;
}

.k-torn-motif {
    position: absolute;
    width: clamp(280px, 38vw, 520px);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.09;
    pointer-events: none;
    z-index: 1;
    will-change: transform;
    transform-style: preserve-3d;
    filter: invert(1) opacity(0.35);
}

.k-torn-left-top { position: relative; z-index: 2; }

.k-torn-band {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 6px 14px 6px 0;
    border-bottom: 1px solid var(--RG-border);
    margin-bottom: clamp(24px, 3vw, 36px);
}

.k-torn-band-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--R);
    animation: kpulse 2s ease-in-out infinite;
}

@keyframes kpulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.6); }
}

.k-torn-band-text {
    font-size: 0.55rem;
    letter-spacing: 0.38em;
    text-transform: uppercase;
    color: rgba(232, 227, 220, 0.5);
}

.k-torn-title {
    font-family: var(--F);
    font-size: clamp(2rem, 3.6vw, 4.8rem);
    line-height: 0.82;
    letter-spacing: -0.05em;
    text-transform: uppercase;
    color: #fff;
    margin: 0;
}

.k-torn-title-line {
    display: block;
    overflow: visible;
    line-height: 0.92;
    padding-bottom: 0.06em;
}

.k-torn-title-ghost {
    display: block;
    color: transparent;
    -webkit-text-stroke: 1px rgba(255, 255, 255, 0.18);
    letter-spacing: -0.04em;
}

.k-torn-title-accent {
    display: block;
    color: var(--R);
    letter-spacing: -0.03em;
    text-shadow: 0 0 80px var(--RG);
}

.k-torn-desc { position: relative; z-index: 2; margin-top: clamp(14px, 1.8vw, 24px); }

.k-torn-desc p {
    font-size: clamp(0.88rem, 1.1vw, 1rem);
    line-height: 2;
    color: rgba(232, 227, 220, 0.55);
    max-width: 48ch;
    border-left: 2px solid var(--RG);
    padding-left: 18px;
}

.k-torn-left-bottom {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: clamp(16px, 1.8vw, 28px);
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    margin-top: clamp(16px, 2vw, 28px);
}

.k-torn-cta {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 16px;
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    padding: 18px 32px;
    background: var(--R);
    overflow: hidden;
    transition: background 0.5s, letter-spacing 0.5s;
}

.k-torn-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.14), transparent);
    transform: translateX(-150%);
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.k-torn-cta:hover::before { transform: translateX(150%); }
.k-torn-cta:hover { background: var(--RB); color: #fff; }

.k-torn-issue {
    font-family: var(--F);
    font-size: 0.58rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: rgba(232, 227, 220, 0.22);
    text-align: right;
    line-height: 1.8;
    opacity: 0;
}

.k-torn-right {
    position: relative;
    overflow: hidden;
    background: #080808;
    min-height: clamp(280px, 40vh, 520px);
}

.k-torn-newsprint {
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(0deg, transparent, transparent 27px, rgba(255, 255, 255, 0.018) 27px, rgba(255, 255, 255, 0.018) 28px),
        repeating-linear-gradient(90deg, transparent, transparent 27px, rgba(255, 255, 255, 0.012) 27px, rgba(255, 255, 255, 0.012) 28px);
    pointer-events: none;
    z-index: 0;
}

.k-torn-card {
    position: absolute;
    inset: 0;
    overflow: hidden;
    transform-style: preserve-3d;
    will-change: transform;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.k-torn-right:hover .k-torn-card {
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--RG-mid);
}

.k-torn-card-img {
    position: absolute;
    inset: -8%;
    filter: grayscale(1) brightness(0.42) contrast(1.1);
    transform: scale(1.12);
    transition: filter 1s var(--E);
    width: 116%;
    height: 116%;
    object-fit: cover;
}

video.k-torn-card-img {
    object-fit: cover;
    width: 100%;
    height: 100%;
    inset: 0;
}

.k-torn-right:hover .k-torn-card-img {
    filter: grayscale(0.7) brightness(0.52) contrast(1.08) sepia(0.18);
}

.k-torn-scanline {
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(0deg, transparent, transparent 3px, var(--RG-subtle) 3px, var(--RG-subtle) 4px);
    mix-blend-mode: screen;
    pointer-events: none;
    z-index: 3;
    opacity: 0;
    transition: opacity 0.6s;
}

.k-torn-right:hover .k-torn-scanline { opacity: 1; }

.k-torn-crosshair { position: absolute; z-index: 4; pointer-events: none; }
.k-torn-crosshair.tl { top: clamp(20px, 2.5vw, 32px); left: clamp(20px, 2.5vw, 32px); }
.k-torn-crosshair.br { bottom: clamp(20px, 2.5vw, 32px); right: clamp(20px, 2.5vw, 32px); transform: rotate(180deg); }
.k-torn-crosshair::before,
.k-torn-crosshair::after { content: ''; position: absolute; background: var(--RG-strong); }
.k-torn-crosshair::before { width: 20px; height: 1px; top: 0; left: 0; }
.k-torn-crosshair::after { width: 1px; height: 20px; top: 0; left: 0; }

.k-torn-card-panel {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 5;
    padding: clamp(20px, 2.5vw, 32px);
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.94) 0%, rgba(0, 0, 0, 0.7) 50%, transparent 100%);
}

.k-torn-card-label {
    font-size: 0.52rem;
    letter-spacing: 0.38em;
    text-transform: uppercase;
    color: var(--R);
    margin-bottom: 8px;
    display: block;
}

.k-torn-card-title {
    font-family: var(--F);
    font-size: clamp(1.3rem, 2.2vw, 2.4rem);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #fff;
    line-height: 0.94;
    display: block;
}

.k-torn-vline {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.07) 20%, rgba(255, 255, 255, 0.07) 80%, transparent);
    pointer-events: none;
    z-index: 3;
    transform-origin: top center;
}

.k-torn-cursor-dot {
    position: absolute;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--R);
    pointer-events: none;
    z-index: 10;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s;
    mix-blend-mode: screen;
}

.k-torn:hover .k-torn-cursor-dot { opacity: 1; }

.k-torn-divider {
    position: relative;
    z-index: 5;
    background: #060606;
    display: flex;
    align-items: center;
    gap: clamp(16px, 2.5vw, 36px);
    padding: 0 clamp(32px, 5vw, 80px);
    height: clamp(52px, 7vh, 80px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.k-torn-divider-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
}

.k-torn-divider-label {
    font-family: var(--F);
    font-size: 0.52rem;
    letter-spacing: 0.38em;
    text-transform: uppercase;
    color: rgba(232, 227, 220, 0.2);
    white-space: nowrap;
    flex-shrink: 0;
}

/* Mobile slider */
.k-torn-slider {
    display: none;
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 2;
}

@media (pointer: coarse) {
    video.k-torn-card-img { display: none !important; }
    .k-torn-slider { display: block; }
}

.k-torn-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    filter: grayscale(1) brightness(0.42) contrast(1.1);
    opacity: 0;
    will-change: opacity, transform;
}

.k-torn-slide.s-in { opacity: 1; transition: opacity 0.95s cubic-bezier(0.4, 0, 0.2, 1); }
.k-torn-slide.s-out { opacity: 0; transition: opacity 0.95s cubic-bezier(0.4, 0, 0.2, 1); }

@keyframes kb0 { from { transform: scale(1.13) translate(0%, 0%); } to { transform: scale(1.04) translate(-1.5%, 0.6%); } }
@keyframes kb1 { from { transform: scale(1.06) translate(1.6%, -0.4%); } to { transform: scale(1.13) translate(0%, 0%); } }
@keyframes kb2 { from { transform: scale(1.11) translate(0%, 1.4%); } to { transform: scale(1.04) translate(0.6%, -1%); } }
@keyframes kb3 { from { transform: scale(1.04) translate(-1%, 0%); } to { transform: scale(1.1) translate(1%, -1%); } }

.k-torn-slide.s-in[data-kb="0"] { animation: kb0 5.2s ease-out forwards; }
.k-torn-slide.s-in[data-kb="1"] { animation: kb1 5.2s ease-out forwards; }
.k-torn-slide.s-in[data-kb="2"] { animation: kb2 5.2s ease-out forwards; }
.k-torn-slide.s-in[data-kb="3"] { animation: kb3 5.2s ease-out forwards; }

.ks-prog {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    width: 0;
    background: var(--R);
    z-index: 9;
    box-shadow: 0 0 10px var(--RG-glow);
    pointer-events: none;
}

.ks-count {
    position: absolute;
    top: clamp(14px, 2vw, 22px);
    left: clamp(14px, 2vw, 22px);
    z-index: 9;
    font-family: var(--F);
    display: flex;
    align-items: baseline;
    gap: 3px;
    pointer-events: none;
}

.ks-count-cur {
    font-size: clamp(1.6rem, 4.5vw, 2.2rem);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1;
    letter-spacing: -0.04em;
}

.ks-count-sep {
    font-size: 0.48rem;
    letter-spacing: 0.22em;
    color: rgba(232, 227, 220, 0.75);
    margin: 0 3px;
}

.ks-count-tot {
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    color: rgba(232, 227, 220, 0.78);
}

@media (max-width: 900px) {
    .k-torn-inner { grid-template-columns: 55fr 45fr; }
    .k-torn-left { padding: clamp(16px, 3vw, 28px) clamp(12px, 2vw, 20px); }
    .k-torn-bgnum { font-size: clamp(5rem, 14vw, 9rem); }
    .k-torn-vline { display: none; }
    .k-torn-card { transform-style: flat !important; will-change: auto !important; }
    .k-torn-card-img { transform: none !important; inset: 0 !important; }
    .k-torn-motif { will-change: auto !important; transform-style: flat !important; transform: translate(-50%, -50%) !important; }
    .k-torn--flip .k-torn-inner { grid-template-columns: 45fr 55fr; }
}

@media (max-width: 600px) {
    .k-torn { min-height: auto; }
    .k-torn-inner { grid-template-columns: 1fr !important; }
    .k-torn--flip .k-torn-left,
    .k-torn--flip .k-torn-right { order: unset; }
    .k-torn-left { border-right: none !important; border-left: none !important; border-bottom: 1px solid rgba(255, 255, 255, 0.07); }
    .k-torn-title { font-size: clamp(1.2rem, 5.5vw, 2rem) !important; }
    .k-torn-desc p { font-size: 0.7rem; line-height: 1.55; }
    .k-torn-left-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
    .k-torn-cta { padding: 10px 12px; font-size: 0.52rem; width: 100%; justify-content: center; }
    .k-torn-issue { display: none; }
}