:root {
    --onda-1: #f4f5f6;
    --onda-2: #d4d7da;
    --onda-green: #2e9e3f;
    --onda-green-dark: #1f7a34;
    --onda-text: #2c2f31;
    --duayen-1: #2c4d39;
    --duayen-2: #16291d;
    --duayen-gold: #b89243;
    --duayen-cream: #ece4d0;
    --lezzetler-1: #f4ecd6;
    --lezzetler-2: #e4d2a4;
    --lezzetler-green: #1f4332;
    --lezzetler-gold: #a8823a;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html, body {
    height: 100%;
}

body {
    font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #16291d;
    color: #fff;
    overflow: hidden;
}

/* ============ SOL ÜST GRUP LOGOSU ============ */
.group-logo {
    position: fixed;
    top: 22px;
    left: 26px;
    z-index: 20;
}

.group-logo img {
    display: block;
    height: 51px;
    width: auto;
}

/* ============ PANEL LOGOSU (Duayen) ============ */
.panel__logo {
    height: clamp(10rem, 17vw, 14rem);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.panel__logo img {
    display: block;
    height: 100%;
    width: auto;
    max-width: 100%;
    object-fit: contain;
}

/* ============ SPLIT SCREEN ============ */
.split-screen {
    position: relative;
    display: flex;
    width: 100%;
    height: 100vh;
    height: 100dvh;
}

.panel {
    position: relative;
    flex: 1 1 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    text-decoration: none;
    color: #fff;
    overflow: hidden;
    transition: flex 0.6s var(--ease);
    will-change: flex;
}

.panel--onda {
    background: linear-gradient(135deg, var(--onda-1), var(--onda-2));
}

/* Onda Yemek marka renkleri (gümüş zemin / yeşil) */
.panel--onda .panel__title {
    color: var(--onda-text);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.panel--onda .panel__eyebrow {
    color: var(--onda-green-dark);
    border-color: var(--onda-green);
}

.panel--onda .panel__desc {
    color: #55595c;
}

.panel--onda .panel__btn {
    background: linear-gradient(135deg, var(--onda-green), var(--onda-green-dark));
    color: #fff;
}

.panel--onda .panel__overlay {
    background:
        radial-gradient(circle at 50% 30%, rgba(46, 158, 63, 0.18), transparent 60%);
}

.panel--duayen {
    background: linear-gradient(135deg, var(--duayen-1), var(--duayen-2));
}

/* Duayen marka renkleri (altın / krem) */
.panel--duayen .panel__title {
    color: var(--duayen-cream);
}

.panel--duayen .panel__eyebrow {
    color: var(--duayen-gold);
    border-color: var(--duayen-gold);
}

.panel--duayen .panel__desc {
    color: var(--duayen-cream);
}

.panel--duayen .panel__btn {
    background: var(--duayen-gold);
    color: #16291d;
}

.panel--duayen .panel__overlay {
    background:
        radial-gradient(circle at 50% 30%, rgba(184, 146, 67, 0.28), transparent 60%);
}

.panel--lezzetler {
    background: linear-gradient(135deg, var(--lezzetler-1), var(--lezzetler-2));
}

/* Duayen Lezzetler marka renkleri (krem / koyu yeşil) */
.panel--lezzetler .panel__desc {
    color: var(--lezzetler-green);
}

.panel--lezzetler .panel__btn {
    background: linear-gradient(135deg, var(--lezzetler-green), #16291d);
    color: var(--lezzetler-1);
}

.panel--lezzetler .panel__overlay {
    background:
        radial-gradient(circle at 50% 30%, rgba(168, 130, 58, 0.22), transparent 60%);
}

/* Hafif doku / parlama efekti */
.panel__overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 50% 30%, rgba(255, 255, 255, 0.18), transparent 60%);
    opacity: 0;
    transition: opacity 0.6s var(--ease);
    pointer-events: none;
}

.panel:hover .panel__overlay,
.panel:focus-visible .panel__overlay {
    opacity: 1;
}

/* Masaüstünde hover'da büyüme efekti */
@media (min-width: 769px) {
    .panel {
        flex: 1 1 0;
    }
    .split-screen .panel:hover {
        flex-grow: 2.2;
    }
}

/* ============ İÇERİK ============ */
.panel__content {
    position: relative;
    z-index: 2;
    padding: 2rem;
    max-width: 420px;
    transform: translateY(10px);
    transition: transform 0.6s var(--ease);
}

.panel:hover .panel__content,
.panel:focus-visible .panel__content {
    transform: translateY(0);
}

.panel__eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    font-weight: 500;
    opacity: 0.85;
    margin-bottom: 1rem;
    padding: 0.4rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 100px;
}

.panel__title {
    font-size: clamp(2.2rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.05;
    margin-bottom: 1rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.panel__desc {
    font-size: clamp(0.95rem, 1.4vw, 1.15rem);
    font-weight: 300;
    opacity: 0.92;
    margin-bottom: 2rem;
    line-height: 1.5;
}

.panel__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1rem;
    font-weight: 600;
    padding: 0.9rem 1.8rem;
    background: rgba(255, 255, 255, 0.95);
    color: #1a1a1a;
    border-radius: 100px;
    transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.panel__btn svg {
    transition: transform 0.3s var(--ease);
}

.panel:hover .panel__btn,
.panel:focus-visible .panel__btn {
    transform: translateY(-3px);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.35);
}

.panel:hover .panel__btn svg,
.panel:focus-visible .panel__btn svg {
    transform: translateX(5px);
}

/* ============ ORTA AYRAÇ ============ */
.brand-divider {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    color: var(--onda-green);
    border-radius: 50%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    pointer-events: none;
    transition: transform 0.6s var(--ease);
}

.brand-divider__icon {
    display: block;
}

/* ============ MOBİL ============ */
@media (max-width: 768px) {
    body {
        overflow-y: auto;
    }

    .split-screen {
        flex-direction: column;
        height: 100vh;
        height: 100dvh;
    }

    .panel {
        flex: 1 1 50%;
        min-height: 50vh;
    }

    .panel__content {
        transform: translateY(0);
        padding: 1.5rem;
    }

    .panel__overlay {
        opacity: 1;
    }

    .brand-divider {
        width: 52px;
        height: 52px;
    }

    .brand-divider__icon {
        transform: rotate(90deg);
    }

    .group-logo {
        top: 16px;
        left: 16px;
    }

    .group-logo img {
        height: 40px;
    }

    .panel__logo {
        height: clamp(8rem, 32vw, 11rem);
        margin-bottom: 0.8rem;
    }

    .panel__btn {
        padding: 0.8rem 1.5rem;
    }
}

@media (max-width: 768px) and (max-height: 600px) {
    .panel__eyebrow {
        display: none;
    }
    .panel__desc {
        margin-bottom: 1.2rem;
    }
}