/* ============================================
   CERATECH - Gündüz / Gece modu · Beyaz varsayılan
   ============================================ */

:root {
    --bg-dark: #f5f5f4;
    --bg-card: #ffffff;
    --bg-elevated: #fafafa;
    --text: #1a1a1a;
    --text-muted: #5c5c5c;
    --accent: #c45c5c;
    --accent-hover: #b85050;
    --accent-soft: rgba(196, 92, 92, 0.12);
    --border: rgba(0, 0, 0, 0.08);
    --success: #2d8a6e;
    --error: #c75c5c;
    --header-bg: rgba(255, 255, 255, 0.95);
    --font-sans: 'Outfit', -apple-system, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    --container: min(1200px, 92vw);
    --header-h: 72px;
    --radius: 12px;
    --radius-lg: 20px;
    --touch-min: 44px;
    --safe-top: env(safe-area-inset-top, 0);
    --safe-bottom: env(safe-area-inset-bottom, 0);
}

/* Gece modu (sınıf html üzerinde, head'deki script ile anında uygulanır) */
html.theme-dark {
    --bg-dark: #0c0c0d;
    --bg-card: #141416;
    --bg-elevated: #1a1a1d;
    --text: #f0eeec;
    --text-muted: #a8a5a2;
    --accent-soft: rgba(196, 92, 92, 0.14);
    --border: rgba(255, 255, 255, 0.07);
    --header-bg: rgba(12, 12, 13, 0.9);
}
html.theme-dark .logo span { color: var(--accent); }
html.theme-dark .nav-cart-count { background: var(--accent); color: #fff; }

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s, color 0.3s;
}

.main {
    padding-top: calc(var(--header-h) + var(--safe-top));
}

/* ----- Adım adım navigasyon ----- */
.step-nav {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
}

.step-nav-list {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.step-nav-item {
    display: inline-flex;
    align-items: center;
    font-size: 0.95rem;
    font-weight: 500;
}

.step-nav-item a {
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.35rem 0.5rem;
    border-radius: var(--radius);
    transition: color 0.2s, background 0.2s;
}

.step-nav-item.active .step-nav-current,
.step-nav-item.active a,
.step-nav-item.done a {
    color: var(--accent);
}

.step-nav-item.active .step-nav-current,
.step-nav-item.active a {
    background: var(--accent-soft);
}

.step-nav-current {
    padding: 0.35rem 0.5rem;
    border-radius: var(--radius);
    font-weight: 500;
}

.step-nav-item a:hover {
    color: var(--accent);
}

.step-nav-item:not(:last-child)::after {
    content: '›';
    margin-left: 0.75rem;
    color: var(--text-muted);
    font-size: 1rem;
}

@media (max-width: 576px) {
    .step-nav-list {
        gap: 0.35rem;
    }
    .step-nav-item {
        font-size: 0.8rem;
    }
    .step-nav-item:not(:last-child)::after {
        margin-left: 0.4rem;
        font-size: 0.9rem;
    }
}

/* Ödeme sayfası özet blokları */
.order-review .order-summary-block {
    margin-bottom: 1.5rem;
}

.order-review .order-summary-block h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

.payment-info {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 1rem 0 1.5rem;
    padding: 1rem;
    background: var(--bg-dark);
    border-radius: var(--radius);
}

.checkout-note {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* Ödeme sonuç sayfası */
.result-page {
    min-height: 50vh;
    display: flex;
    align-items: center;
}

.result-box {
    text-align: center;
    max-width: 480px;
    margin: 0 auto;
    padding: 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.result-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    background: var(--success);
    border-radius: 50%;
}

.result-box h1 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.result-box p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ----- Header ----- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-h);
    padding-top: var(--safe-top);
    background: var(--header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo span {
    color: var(--accent);
}

.logo-img {
    height: 36px;
    width: auto;
    display: block;
    object-fit: contain;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.35rem 0;
    transition: color 0.2s;
}

.nav a:hover,
.nav a.active {
    color: var(--accent);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    min-width: var(--touch-min);
    min-height: var(--touch-min);
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
}

/* ----- Buttons ----- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.75rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius);
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(196, 92, 92, 0.35);
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* ----- Page hero (ürün detay / iç sayfalar) ----- */
.page-hero {
    padding: 3rem 0 2.5rem;
    text-align: center;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
}

.page-hero .container {
    max-width: 720px;
}

.page-hero .hero-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

.page-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(1.85rem, 4vw, 2.5rem);
    margin-bottom: 0.75rem;
}

.page-hero .hero-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
}

.page-hero-small {
    padding: 2rem 0 1.5rem;
}

.page-hero-small h1 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

/* ----- İç sayfa içerik ----- */
.content-section {
    padding: 3rem 0 4rem;
}

.container.narrow {
    max-width: 680px;
}

.content-block {
    margin-bottom: 2.5rem;
}

.content-block h2 {
    font-size: 1.35rem;
    margin-bottom: 1rem;
    color: var(--accent);
}

.content-block p {
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.content-block .iban {
    font-size: 1.1rem;
    letter-spacing: 0.05em;
    color: var(--text);
    margin: 0.5rem 0;
}

.usage-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
    margin-bottom: 1.5rem;
}

.usage-block h2 {
    margin-bottom: 1rem;
}

.usage-steps {
    margin: 1rem 0 1rem 1.25rem;
    padding: 0;
    color: var(--text-muted);
}

.usage-steps li {
    margin-bottom: 0.5rem;
    line-height: 1.55;
}

/* Hakkımızda: Firma sahibi & Instagram */
.owner-block h2 {
    margin-bottom: 0.25rem;
}
.owner-title {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}
.btn-instagram {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
    color: #fff;
    border: none;
}
.btn-instagram:hover {
    color: #fff;
    opacity: 0.95;
    transform: translateY(-1px);
}
.instagram-block .instagram-desc {
    color: var(--text-muted);
    margin-bottom: 1rem;
}
.instagram-embeds {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.instagram-embed-wrap {
    min-height: 320px;
}
.instagram-embed-wrap iframe {
    max-width: 100%;
    border-radius: var(--radius);
}

/* ----- Hero (eski one-page - artık kullanılmıyor, referans) ----- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: var(--header-h);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% 0%, var(--accent-soft) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(196,92,92,0.06) 0%, transparent 45%),
        var(--bg-dark);
    pointer-events: none;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1rem;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.hero h1 em {
    font-style: normal;
    color: var(--accent);
}

.hero-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 480px;
    margin-bottom: 2rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-product {
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-showcase {
    width: 100%;
    max-width: 380px;
    aspect-ratio: 1;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    box-shadow: 0 24px 48px rgba(0,0,0,0.4);
}

.product-showcase img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.product-placeholder {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 2rem;
    font-weight: 700;
}

.product-placeholder small {
    font-size: 0.9rem;
    font-weight: 400;
    margin-top: 0.25rem;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.hero-scroll a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}

/* ----- Sections ----- */
.section {
    padding: 5rem 0;
}

.section-head {
    text-align: center;
    margin-bottom: 3rem;
}

.section-head.light .section-tag {
    color: var(--accent);
}

.section-head.light h2,
.section-head.light p {
    color: var(--text);
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.section-head h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    margin-bottom: 0.5rem;
}

.section-head p {
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* ----- Product Section ----- */
.product-section {
    background: var(--bg-card);
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.product-image-wrap {
    background: var(--bg-elevated);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 320px;
}

.product-image-wrap img {
    max-width: 100%;
    max-height: 280px;
    object-fit: contain;
}

.product-info h2,
.product-info h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.product-desc {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.product-specs {
    list-style: none;
    margin-bottom: 1.5rem;
}

.product-specs li {
    padding: 0.35rem 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.95rem;
}

.product-price {
    margin-bottom: 1.5rem;
}

.price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    display: block;
}

.price-note {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.product-add-form {
    margin-top: 1rem;
}

.product-qty-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1rem;
}

.product-qty-row label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.product-qty-row .qty-select {
    min-width: 5rem;
    padding: 0.6rem 0.75rem;
    font-size: 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
}

.product-qty-row .btn {
    flex: 1;
    min-width: 140px;
}

/* ----- Sepet ----- */
.cart-section {
    background: var(--bg-dark);
}

.cart-alert {
    max-width: 560px;
    margin: 0 auto 1.5rem;
}

.cart-empty {
    text-align: center;
    padding: 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--text-muted);
}

.cart-empty .btn {
    margin-top: 1rem;
}

.cart-box {
    max-width: 720px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.cart-table {
    width: 100%;
    border-collapse: collapse;
}

.cart-table th,
.cart-table td {
    padding: 1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.cart-table th {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.cart-table tbody tr:last-child td {
    border-bottom: none;
}

.cart-name {
    font-weight: 500;
}

.cart-line-total {
    font-weight: 600;
    color: var(--accent);
}

.cart-qty-select {
    padding: 0.4rem 0.5rem;
    font-size: 0.95rem;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    min-width: 4rem;
}

.cart-update-form {
    display: inline;
}

.cart-remove-btn {
    width: 2rem;
    height: 2rem;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.9rem;
    transition: color 0.2s, border-color 0.2s;
}

.cart-remove-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.cart-summary {
    padding: 1.5rem 1.25rem;
    border-top: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.cart-total {
    font-size: 1.25rem;
    color: var(--text);
    margin: 0;
}

.cart-total strong {
    color: var(--accent);
}

/* Sipariş özeti (form üstü) */
.order-summary {
    padding: 1.25rem 1.5rem;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
}

.order-summary h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--text-muted);
}

.order-summary ul {
    list-style: none;
    padding: 0;
    margin: 0 0 0.5rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.order-summary li {
    padding: 0.25rem 0;
}

.order-summary-total {
    margin: 0.5rem 0 0;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border);
    color: var(--accent);
}

.form-hint {
    margin-top: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.order-form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.25rem;
    align-items: center;
}

.order-form-actions .btn-ghost {
    order: 1;
}

.order-form-actions .btn-primary {
    order: 2;
}

/* Header sepet */
.nav-cart {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.35rem 0.5rem;
    border-radius: var(--radius);
    transition: color 0.2s;
}

.nav-cart:hover {
    color: var(--accent);
}

.nav-cart-icon {
    font-size: 1.2rem;
}

.nav-cart-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.25rem;
    height: 1.25rem;
    padding: 0 0.35rem;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--accent);
    color: #fff;
    border-radius: 999px;
}

/* Tema (gece/gündüz) butonu */
.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--touch-min);
    height: var(--touch-min);
    padding: 0;
    margin-left: 0.25rem;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    color: var(--text);
    font-size: 1.25rem;
    transition: border-color 0.2s, background 0.2s;
}
.theme-toggle:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
}
.theme-icon {
    display: none;
}
html:not(.theme-dark) .theme-icon-sun { display: none; }
html:not(.theme-dark) .theme-icon-moon { display: inline; }
html.theme-dark .theme-icon-sun { display: inline; }
html.theme-dark .theme-icon-moon { display: none; }

/* ----- Features ----- */
.features-section {
    background: var(--bg-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 1.75rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ----- How to use ----- */
.how-section {
    background: var(--bg-card);
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.step {
    text-align: center;
}

.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 700;
    font-size: 1.25rem;
    border-radius: 50%;
    margin-bottom: 1rem;
}

.step h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.step p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ----- Order Section ----- */
.order-section {
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 100%);
}

.order-box {
    max-width: 560px;
    margin: 0 auto;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

.order-form .form-row {
    margin-bottom: 1.25rem;
}

.order-form label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.4rem;
    color: var(--text);
}

.order-form input,
.order-form select,
.order-form textarea {
    width: 100%;
    min-height: var(--touch-min);
    padding: 0.85rem 1rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    transition: border-color 0.2s;
    -webkit-appearance: none;
    appearance: none;
}

.order-form input::placeholder,
.order-form textarea::placeholder {
    color: var(--text-muted);
}

.order-form input:focus,
.order-form select:focus,
.order-form textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.order-form button[type="submit"] {
    margin-top: 0.5rem;
}

.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.alert-success {
    background: rgba(45, 138, 110, 0.2);
    border: 1px solid var(--success);
    color: #7dd3b8;
}

.alert-error {
    background: rgba(199, 92, 92, 0.2);
    border: 1px solid var(--error);
    color: #e8a0a0;
}

/* ----- Footer ----- */
.footer {
    padding: 3rem 0 calc(2rem + var(--safe-bottom));
    border-top: 1px solid var(--border);
    background: var(--bg-dark);
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-brand .logo {
    font-size: 1.35rem;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-contact p {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.footer-contact a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
}

.footer-contact a:hover {
    color: var(--accent);
}

.footer-brand .logo-img {
    height: 32px;
}

.footer-whatsapp:hover {
    color: #25d366;
}

/* Sabit WhatsApp butonu */
.whatsapp-float {
    position: fixed;
    bottom: calc(1.5rem + var(--safe-bottom));
    right: 1.5rem;
    z-index: 99;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: #25d366;
    color: #fff;
    text-decoration: none;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.45);
    transition: transform 0.2s, box-shadow 0.2s;
}
.whatsapp-float:hover {
    color: #fff;
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.footer-copy {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

/* ----- Responsive: eksiksiz ve kullanışlı ----- */
@media (max-width: 1200px) {
    :root {
        --container: 94vw;
    }
}

@media (max-width: 992px) {
    .section {
        padding: 3.5rem 0;
    }
    .container {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
    .page-hero {
        padding: 2.5rem 0 2rem;
    }
    .page-hero-small {
        padding: 1.75rem 0 1.25rem;
    }
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-desc {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }
    .hero-cta {
        justify-content: center;
    }
    .hero-product {
        order: -1;
    }
    .product-showcase {
        max-width: 280px;
        margin: 0 auto;
    }
    .product-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .product-visual {
        max-width: 320px;
        margin: 0 auto;
    }
    .product-image-wrap {
        min-height: 260px;
        padding: 2rem;
    }
    .product-info h2,
    .product-info h3 {
        font-size: 1.5rem;
    }
    .section-head {
        margin-bottom: 2rem;
    }
    .section-head h2 {
        font-size: clamp(1.5rem, 4vw, 2rem);
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
    .feature-card {
        padding: 1.5rem 1.25rem;
    }
    .steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    .step-num {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
    }
    .order-box {
        padding: 2rem;
    }
    .footer-inner {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
        margin-bottom: 1.5rem;
    }
    .content-section {
        padding: 2.5rem 0 3rem;
    }
    .usage-block {
        padding: 1.5rem;
    }
}

@media (max-width: 768px) {
    .header {
        height: auto;
        min-height: var(--header-h);
    }
    .nav {
        display: none;
    }
    .nav-toggle {
        display: flex;
    }
    .nav.open {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-card);
        flex-direction: column;
        padding: 1.25rem 1.5rem;
        gap: 0;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 12px 24px rgba(0,0,0,0.3);
    }
    .nav.open a {
        min-height: var(--touch-min);
        display: flex;
        align-items: center;
        padding: 0.75rem 0;
        font-size: 1rem;
        border-bottom: 1px solid var(--border);
    }
    .nav.open a:last-child {
        border-bottom: none;
    }
    .section {
        padding: 2.5rem 0;
    }
    .section-head {
        margin-bottom: 1.5rem;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .feature-card {
        padding: 1.5rem;
    }
    .steps {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    .step {
        text-align: left;
        display: grid;
        grid-template-columns: auto 1fr;
        gap: 1rem;
        align-items: start;
    }
    .step-num {
        margin-bottom: 0;
    }
    .step h3 {
        margin-bottom: 0.25rem;
    }
    .order-box {
        padding: 1.5rem;
        margin-left: -0.25rem;
        margin-right: -0.25rem;
        max-width: none;
        border-radius: var(--radius);
    }
    .order-form input,
    .order-form select,
    .order-form textarea {
        font-size: 16px; /* iOS zoom önleme */
    }
    .order-form button[type="submit"] {
        min-height: var(--touch-min);
        padding: 1rem;
    }
    .footer-inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.5rem;
    }
    .footer-links {
        align-items: center;
    }
    .footer-contact a {
        min-height: 2rem;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    .content-block {
        margin-bottom: 2rem;
    }
    .content-block .btn {
        min-height: var(--touch-min);
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    .page-hero h1 {
        font-size: 1.6rem;
    }
    .page-hero .hero-desc {
        font-size: 0.95rem;
    }
    .product-image-wrap {
        min-height: 220px;
        padding: 1.5rem;
    }
    .product-info h2,
    .product-info h3 {
        font-size: 1.35rem;
    }
    .price {
        font-size: 1.65rem;
    }
    .hero-cta,
    .content-block .btn + .btn {
        flex-direction: column;
        width: 100%;
    }
    .hero-cta .btn,
    .content-block .btn {
        width: 100%;
        min-height: var(--touch-min);
    }
    .content-block .btn + .btn {
        margin-top: 0.75rem;
    }
    .order-box {
        margin-left: 0;
        margin-right: 0;
        padding: 1.25rem;
    }
    .footer-copy {
        font-size: 0.8rem;
        padding-top: 1.5rem;
    }
    .usage-block {
        padding: 1.25rem;
    }
    .usage-steps {
        margin-left: 1rem;
    }
    .product-qty-row {
        flex-direction: column;
        align-items: stretch;
    }
    .product-qty-row .qty-select {
        width: 100%;
    }
    .product-qty-row .btn {
        min-width: 0;
    }
}

/* Sepet tablosu mobil: kart görünümü */
@media (max-width: 768px) {
    .cart-table thead {
        display: none;
    }
    .cart-table tr {
        display: block;
        padding: 1rem;
        border-bottom: 1px solid var(--border);
    }
    .cart-table td {
        display: block;
        padding: 0.35rem 0;
        border: none;
    }
    .cart-table td::before {
        content: attr(data-label);
        font-size: 0.75rem;
        font-weight: 600;
        text-transform: uppercase;
        color: var(--text-muted);
        display: block;
        margin-bottom: 0.15rem;
    }
    .cart-table td.cart-name { padding-top: 0; }
    .cart-table td.cart-name::before { content: 'Ürün'; }
    .cart-table td:nth-child(2)::before { content: 'Fiyat'; }
    .cart-table td:nth-child(3)::before { content: 'Adet'; }
    .cart-table td.cart-line-total::before { content: 'Toplam'; }
    .cart-table td:last-child {
        padding-top: 0.75rem;
        border-top: 1px solid var(--border);
        margin-top: 0.5rem;
    }
    .cart-summary {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    .cart-summary .btn {
        width: 100%;
    }
}

/* Menü açıkken body scroll kilidi (mobil) */
@media (max-width: 768px) {
    body.nav-open {
        overflow: hidden;
        touch-action: none;
    }
}

/* Yatay taşmayı önle */
img,
video,
.product-showcase,
.product-image-wrap {
    max-width: 100%;
}

/* Dokunmatik cihazlarda hover efektlerini yumuşat */
@media (hover: none) {
    .feature-card:hover {
        transform: none;
    }
    .btn-primary:hover {
        transform: none;
    }
}