:root {
    --color-ink: #1a1a1a;
    --color-ink-soft: #2b2b2b;
    --color-canvas: #ffffff;
    --color-muted: #6b6b6b;
    --color-line: rgba(0, 0, 0, 0.08);
    --color-brand: #12315e;
    --color-brand-soft: #5A9FD4;

    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --radius-sm: 2px;
    --radius-md: 4px;

    --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

    --shadow-sm: 0 2px 10px -4px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 14px 30px -12px rgba(0, 0, 0, 0.28);
    --shadow-lg: 0 24px 50px -16px rgba(0, 0, 0, 0.35);
}

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

*:focus-visible {
    outline: 2px solid var(--color-brand-soft);
    outline-offset: 3px;
}

body {
    font-family: var(--font-sans);
    overflow-x: hidden;
    color: var(--color-ink);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--color-brand);
    color: #fff;
}

/* Unified elegant button system
   Targets existing button classes across all pages. */
.cta-button,
.about-btn,
.articles-btn,
.load-more-btn,
.btn-primary,
.btn-secondary,
.btn-contact,
.btn-submit {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    padding: 1.05rem 2.75rem;
    border: 1px solid transparent;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.85rem;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    transition:
        transform 0.45s var(--ease-out),
        box-shadow 0.45s var(--ease-out),
        background-color 0.35s var(--ease-out),
        color 0.35s var(--ease-out),
        border-color 0.35s var(--ease-out);
}

.cta-button,
.about-btn,
.btn-primary,
.btn-contact,
.btn-submit {
    background: var(--color-ink);
    color: #fff;
    border-color: var(--color-ink);
}

.cta-button:hover,
.about-btn:hover,
.btn-primary:hover,
.btn-contact:hover,
.btn-submit:hover {
    background: #000;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.load-more-btn,
.btn-secondary {
    background: transparent;
    color: var(--color-ink);
    border-color: var(--color-ink);
}

.load-more-btn:hover,
.btn-secondary:hover {
    background: var(--color-ink);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.articles-btn {
    background: #fff;
    color: var(--color-ink);
    border-color: #fff;
}

.articles-btn:hover {
    background: transparent;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.cta-button .arrow,
.about-btn .arrow-icon,
.articles-btn .arrow-icon {
    font-size: 1.1rem;
    transition: transform 0.4s var(--ease-out);
}

.cta-button:hover .arrow,
.about-btn:hover .arrow-icon,
.articles-btn:hover .arrow-icon {
    transform: translateX(6px);
}

/* Header */
.products-header {
    background: transparent;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 4rem;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.header-logo img {
    height: 100px;
    width: auto;
}

.header-nav {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    padding-top: 0.5rem;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 3rem;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    font-family: 'Playfair Display', serif;
    font-size: 1rem;
    font-weight: 400;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    right: 50%;
    height: 1px;
    background: #fff;
    transition: left 0.4s var(--ease-out), right 0.4s var(--ease-out);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    left: 0;
    right: 0;
}

/* Header cart action */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding-top: 0.5rem;
    margin-left: 2.5rem;
}

.cart-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s var(--ease-out), opacity 0.3s ease;
}

.cart-link:hover {
    transform: translateY(-2px);
    opacity: 0.85;
}

.cart-badge {
    position: absolute;
    top: -8px;
    right: -10px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 999px;
    background: var(--color-brand-soft);
    color: #fff;
    font-family: var(--font-sans);
    font-size: 0.68rem;
    font-weight: 600;
    line-height: 18px;
    text-align: center;
    text-shadow: none;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
}

/* Toast bildirimleri */
.toast-host {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    max-width: min(360px, calc(100vw - 2rem));
}

.toast {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: #1a1a1a;
    color: #fff;
    padding: 0.9rem 1.15rem;
    border-radius: 4px;
    box-shadow: 0 12px 30px -8px rgba(0, 0, 0, 0.4);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    line-height: 1.4;
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-error {
    background: #8a1d12;
}

.toast-action {
    flex-shrink: 0;
    color: #fff;
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
    white-space: nowrap;
}

/* Footer */
.footer {
    background: #12315e;
    color: #fff;
    padding: 4rem 0 2rem 0;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 4rem;
}

.footer-top {
    margin-bottom: 3rem;
}

.footer-title {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 400;
    color: #fff;
    line-height: 1.3;
    margin: 0 0 3rem 0;
    max-width: 800px;
}

.footer-contact {
    display: flex;
    gap: 6rem;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-label {
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.7);
}

.contact-value {
    font-family: 'Poppins', sans-serif;
    font-size: 1.3rem;
    font-weight: 400;
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-value:hover {
    color: #5A9FD4;
}

.footer-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
    margin: 3rem 0;
}

.footer-bottom {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 4rem;
}

.footer-columns {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.5rem;
}

.footer-payment {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-payment img {
    display: block;
    height: 26px;
    max-width: 100%;
}

@media (max-width: 480px) {
    .footer-payment img {
        height: 20px;
    }
}

.footer-column-title {
    font-family: 'Poppins', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 0 0 1.5rem 0;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    display: inline-block;
    transition: color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.footer-links a:hover {
    color: var(--color-brand-soft);
    transform: translateX(4px);
}

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

.footer-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 3rem;
}

.footer-social {
    display: flex;
    gap: 1.5rem;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

.social-link:hover {
    color: #5A9FD4;
}

.footer-logo img {
    height: 80px;
    width: auto;
    object-fit: contain;
}

/* Responsive */
@media (max-width: 768px) {
    .header-container {
        padding: 1rem 2rem;
    }

    .header-logo img {
        height: 70px;
    }

    .nav-menu {
        display: none;
    }

    .footer-container {
        padding: 0 2rem;
    }

    .footer-title {
        font-size: 2rem;
    }

    .footer-bottom {
        grid-template-columns: 1fr;
    }

    .footer-columns {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-right {
        align-items: flex-start;
        flex-direction: column-reverse;
    }
}

/* Header arama --------------------------------------------------------- */
.header-search-toggle {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
}

.header-search {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    z-index: 110;
    padding: 0 4rem 1rem;
}

.header-search-form {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: #fff;
    padding: 0.6rem 0.75rem 0.6rem 1.1rem;
    border-radius: 4px;
    box-shadow: var(--shadow-lg);
    color: #999;
}

.header-search-form input {
    flex: 1;
    min-width: 0;
    border: none;
    outline: none;
    background: transparent;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--color-ink);
    padding: 0.5rem 0;
}

.header-search-form input::placeholder { color: #aaa; }
.header-search-form input::-webkit-search-cancel-button { -webkit-appearance: none; }

.header-search-submit {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 0.7rem 1.4rem;
    border: 1px solid var(--color-ink);
    background: var(--color-ink);
    color: #fff;
    cursor: pointer;
    transition: background 0.2s ease;
}

.header-search-submit:hover { background: var(--color-brand); border-color: var(--color-brand); }

.header-search-close {
    background: none;
    border: none;
    font-size: 1.6rem;
    line-height: 1;
    color: #999;
    cursor: pointer;
    padding: 0 0.4rem;
}

.header-search-close:hover { color: var(--color-ink); }

@media (max-width: 768px) {
    .header-search { padding: 0 1rem 0.75rem; }
    .header-search-form { padding: 0.4rem 0.5rem 0.4rem 0.9rem; }
    .header-search-submit { padding: 0.6rem 0.9rem; }
}