/* =========================================================
   KAHRİMAN TİCARET
   ÜRÜN KATALOGLARI — TEMİZ SÜRÜM
========================================================= */

:root {
    --catalog-bg: #050505;
    --catalog-card: #111111;
    --catalog-gold: #d5aa58;
    --catalog-gold-light: #f2d28f;
    --catalog-text: #ffffff;
    --catalog-muted: rgba(255, 255, 255, 0.68);
    --catalog-border: rgba(213, 170, 88, 0.24);
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    overflow-x: hidden;
    color: var(--catalog-text);
    background:
        radial-gradient(
            circle at 50% 0%,
            rgba(213, 170, 88, 0.10),
            transparent 34%
        ),
        linear-gradient(
            180deg,
            #050505 0%,
            #090909 48%,
            #030303 100%
        );
}

/* =========================================================
   SAYFA
========================================================= */

.catalog-page {
    position: relative;
    min-height: 100vh;
    padding: 128px 24px 80px;
    isolation: isolate;
}

.catalog-page::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background:
        linear-gradient(
            90deg,
            rgba(255, 255, 255, 0.018) 1px,
            transparent 1px
        ),
        linear-gradient(
            rgba(255, 255, 255, 0.018) 1px,
            transparent 1px
        );
    background-size: 68px 68px;
    mask-image: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.70),
        transparent 78%
    );
}

.catalog-page::after {
    content: "";
    position: absolute;
    top: 105px;
    left: 50%;
    width: min(900px, 90vw);
    height: 330px;
    z-index: -1;
    pointer-events: none;
    transform: translateX(-50%);
    background: radial-gradient(
        ellipse,
        rgba(213, 170, 88, 0.12),
        transparent 70%
    );
    filter: blur(34px);
}

/* =========================================================
   BAŞLIK
========================================================= */

.catalog-intro h1 {
    margin: 0;
    padding-bottom: 12px;          /* g harfi kesilmesin */

    font-size: clamp(2.5rem, 5.4vw, 4.8rem);
    font-weight: 600;
    line-height: 1.18;
    letter-spacing: -0.04em;

    color: transparent;
    background: linear-gradient(
        180deg,
        #F7D98A 0%,
        #E7C15B 45%,
        #C8942A 100%
    );

    -webkit-background-clip: text;
    background-clip: text;
}
.catalog-description {
    max-width: 620px;
    margin: 20px auto 0;
    color: var(--catalog-muted);
    font-size: clamp(0.98rem, 1.6vw, 1.12rem);
    line-height: 1.65;
}
.catalog-intro {
    width: min(850px, 100%);
    margin: 0 auto 46px;
    text-align: center;
    overflow: visible;
    text-shadow:
    0 0 18px rgba(213,170,88,.18),
    0 4px 18px rgba(0,0,0,.45);
    .catalog-eyebrow{
    display: none;
}
}

/* =========================================================
   GRID
========================================================= */

.catalog-grid {
    width: min(1500px, 96%);
    margin: 60px auto 0;

    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;

    align-items: stretch;
    justify-items: stretch;
}

/* =========================================================
   KART
========================================================= */
.catalog-card {
    width: 100%;
    height: 480px;
    min-width: 0;
    border-radius: 24px;
}


.catalog-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: inherit;
    transform: rotateY(0deg);
    transform-origin: center center;
    transform-style: preserve-3d;
    transition: transform 0.42s ease;
    will-change: transform;
}

.catalog-card.is-flipped .catalog-card-inner {
    transform: rotateY(180deg);
}

.catalog-card-face {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    border: 1px solid var(--catalog-border);
    border-radius: inherit;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    box-shadow:
        0 18px 48px rgba(0, 0, 0, 0.42),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* =========================================================
   ÖN YÜZ
========================================================= */

.catalog-card-front {
    display: flex;
    align-items: flex-end;
    transform: rotateY(0deg);
    background: var(--catalog-card);
    
}

.catalog-card-front::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.10),
        transparent 24%
    );
}

.catalog-card-front::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 4;
    pointer-events: none;
    border-radius: inherit;
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 0.025),
        inset 0 -110px 115px rgba(0, 0, 0, 0.36);
}

.catalog-card-front img{
    position:absolute;
    inset:0;

    width:100%;
    height:100%;

    object-fit:cover;
    object-position:center;

    filter:brightness(.95) contrast(1.12) saturate(1.08);

    transition:transform .45s ease;
}
.catalog-card:hover .catalog-card-front img {
    transform: scale(1.035);
}

.catalog-overlay{
    position:absolute;
    inset:0;
    z-index:2;

    background:linear-gradient(
        to top,
        rgba(0,0,0,.92) 0%,
        rgba(0,0,0,.55) 40%,
        rgba(0,0,0,.12) 72%,
        rgba(0,0,0,0) 100%
    );
}

.catalog-front-content {
    position: relative;
    z-index: 5;
    width: 100%;
    padding: 24px;
}

.catalog-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
    height: 28px;
    margin-bottom: 14px;
    border: 1px solid rgba(213, 170, 88, 0.46);
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.36);
    color: var(--catalog-gold-light);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.catalog-front-content h2 {
    margin: 0;
    font-size: 1.72rem;
    font-weight: 500;
    line-height: 1.05;
    letter-spacing: -0.035em;
}

.catalog-front-content p {
    margin: 10px 0 0;
    color: var(--catalog-muted);
    font-size: 0.82rem;
    line-height: 1.45;
}

/* =========================================================
   ARKA YÜZ
========================================================= */

.catalog-card-back {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
    padding: 24px;
    transform: rotateY(180deg);
    opacity: 1;
    visibility: visible;
    background:
        radial-gradient(
            circle at 75% 15%,
            rgba(213, 170, 88, 0.18),
            transparent 32%
        ),
        linear-gradient(
            145deg,
            #191919 0%,
            #0e0e0e 50%,
            #050505 100%
        );
}

.catalog-card-back::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.07),
        transparent 25%
    );
}

.catalog-card-back::after {
    content: "";
    position: absolute;
    top: 0;
    left: 12%;
    width: 76%;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--catalog-gold),
        transparent
    );
    box-shadow: 0 0 24px rgba(213, 170, 88, 0.40);
}

.catalog-card-back > * {
    position: relative;
    z-index: 2;
    opacity: 1;
    visibility: visible;
    transition: none;
}

.catalog-card-back h2 {
    margin: 0;
    font-size: 1.68rem;
    font-weight: 500;
    line-height: 1.08;
    letter-spacing: -0.035em;
}

.catalog-card-back p {
    margin: 14px 0 20px;
    color: var(--catalog-muted);
    font-size: 0.86rem;
    line-height: 1.55;
}

/* =========================================================
   BUTON
========================================================= */

.catalog-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 46px;
    padding: 11px 16px;
    border: 1px solid var(--catalog-gold);
    border-radius: 13px;
    background: linear-gradient(
        135deg,
        var(--catalog-gold-light),
        var(--catalog-gold)
    );
    color: #0a0a0a;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.07em;
    text-align: center;
    text-decoration: none;
    text-transform: uppercase;
    box-shadow: 0 12px 28px rgba(213, 170, 88, 0.18);
    transition:
        transform 0.20s ease,
        box-shadow 0.20s ease,
        filter 0.20s ease;
}

.catalog-button::after {
    content: "↗";
    margin-left: 8px;
    font-size: 0.9rem;
}

.catalog-button:hover {
    transform: translateY(-2px);
    filter: brightness(1.06);
    box-shadow: 0 16px 34px rgba(213, 170, 88, 0.28);
}

/* =========================================================
   TIKLAMA
========================================================= */

.catalog-card.is-flipped .catalog-card-front {
    pointer-events: none;
}

.catalog-card.is-flipped .catalog-card-back {
    pointer-events: auto;
}

.catalog-card:focus-visible {
    outline: 2px solid var(--catalog-gold-light);
    outline-offset: 5px;
}

/* =========================================================
   RTL
========================================================= */

html[dir="rtl"] .catalog-card-back,
html[dir="rtl"] .catalog-front-content {
    text-align: right;
}

html[dir="rtl"] .catalog-button::after {
    content: "↖";
    margin-left: 0;
    margin-right: 8px;
}

/* =========================================================
   RESPONSIVE
========================================================= */
/* iPad yatay görünüm */
@media (min-width: 901px) and (max-width: 1200px) {
    .catalog-page {
        padding-left: 18px;
        padding-right: 18px;
    }

    .catalog-grid {
        width: 100%;
        grid-template-columns: repeat(3, minmax(0, 280px));
        column-gap: 28px;
        row-gap: 40px;
    }

    .catalog-card {
        width: 100%;
        height: 410px;
    }

    .catalog-front-content,
    .catalog-card-back {
        padding: 20px;
    }

    .catalog-front-content h2,
    .catalog-card-back h2 {
        font-size: 1.45rem;
    }
}
@media (max-width: 900px) {
    .catalog-grid {
        grid-template-columns: repeat(2, 250px);
    }
}

@media (max-width: 620px) {
    .catalog-page {
        padding: 108px 16px 60px;
    }

    .catalog-intro {
        margin-bottom: 34px;
    }

    .catalog-grid {
        grid-template-columns: 250px;
        gap: 24px;
    }

    .catalog-card {
        width: 250px;
        height: 340px;
    }
}

@media (max-width: 360px) {
    .catalog-grid {
        grid-template-columns: 230px;
    }

    .catalog-card {
        width: 230px;
        height: 320px;
    }

    .catalog-front-content,
    .catalog-card-back {
        padding: 21px;
    }

    .catalog-front-content h2,
    .catalog-card-back h2 {
        font-size: 1.5rem;
    }
}

/* =========================================================
   HAREKET AZALTMA
========================================================= */

@media (prefers-reduced-motion: reduce) {
    .catalog-card-inner,
    .catalog-card-front img,
    .catalog-button {
        transition: none;
    }
}
/* SAYFA AÇILINCA KARTLARIN ORTAYA ÇIKMASI */

.catalog-card {
    opacity: 0;
    transform: translateY(50px) scale(0.96);
  animation: catalogCardReveal 1.25s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.catalog-card:nth-child(1) {
    animation-delay: 0.6s;
}

.catalog-card:nth-child(2) {
    animation-delay: 0.9s;
}

.catalog-card:nth-child(3) {
    animation-delay: 1.2s;
}

@keyframes catalogCardReveal {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.96);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}
/* BAŞLIK ANİMASYONU */

.catalog-intro {
    opacity: 0;
    transform: translateY(-50px);
    animation: introReveal 0.9s ease forwards;
}

@keyframes introReveal {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
    
}
/* iPhone */
@media (max-width: 768px) {

    .catalog-page{
        padding:100px 18px 50px;
    }

    .catalog-intro h1{
        font-size:2.8rem;
        line-height:1.15;
    }

    .catalog-description{
        font-size:.95rem;
    }

    .catalog-grid{
        width:100%;
        grid-template-columns:1fr;
        justify-items:center;
        row-gap:28px;
    }

    .catalog-card{
        width:100%;
        max-width:340px;
        height:460px;
    }

    .catalog-front-content,
    .catalog-card-back{
        padding:22px;
    }

    .catalog-front-content h2,
    .catalog-card-back h2{
        font-size:1.8rem;
    }

    .catalog-button{
        min-height:50px;
        font-size:.85rem;
    }

}
/* DÖRT KARTLIK YENİ GRID */

.catalog-grid {
    width: min(1500px, 96%);
    margin: 60px auto 0;

    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 30px;

    align-items: stretch;
}

.catalog-card {
    width: 100%;
    height: 480px;
    min-width: 0;
}

.elektrik-card .catalog-card-front img {
    object-position: 35% center;
}


/* Küçük bilgisayar ve iPad yatay */

@media (max-width: 1350px) {

    .catalog-grid {
        grid-template-columns: repeat(2, minmax(280px, 340px));
        justify-content: center;
    }

}


/* Telefon */

@media (max-width: 700px) {

    .catalog-page {
        padding-left: 16px;
        padding-right: 16px;
    }

    .catalog-grid {
        grid-template-columns: minmax(0, 340px);
        justify-content: center;
        gap: 28px;
    }

    .catalog-card {
        width: 100%;
        height: 460px;
    }

}
/* BAŞLIK YUKARIDAN GELSİN */

.catalog-intro {
    opacity: 0;
    transform: translateY(-45px);
    animation: introReveal 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes introReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* KARTLAR SIRAYLA AŞAĞIDAN GELSİN */

.catalog-card {
    opacity: 0;
    transform: translateY(55px) scale(0.96);
    animation: catalogCardReveal 1s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.catalog-card:nth-child(1) {
    animation-delay: 0.65s;
}

.catalog-card:nth-child(2) {
    animation-delay: 0.85s;
}

.catalog-card:nth-child(3) {
    animation-delay: 1.05s;
}

.catalog-card:nth-child(4) {
    animation-delay: 1.25s;
}

@keyframes catalogCardReveal {
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}