:root {
    --primary-color: #ff4b6e;
    --secondary-color: #ff8fa3;
    --background-color: #ffffff;
    --text-color: #333333;
    --card-background: #f8f9fa;
    --border-color: #e9ecef;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --primary-color: #ff6b8b;
    --secondary-color: #ff9eb3;
    --background-color: #1a1a1a;
    --text-color: #ffffff;
    --card-background: #2d2d2d;
    --border-color: #404040;
    --shadow-color: rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

.navbar {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 1rem 5%;
    background-color: var(--background-color);
    box-shadow: 0 2px 10px var(--shadow-color);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    gap: 2.5rem;
}

.logo {
    margin-right: 2.5rem;
}

.logo h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 700;
}

.nav-links {
    display: flex;
    gap: 1.2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    padding: 0.3rem 0.7rem;
    border-radius: 8px;
}

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

.nav-buttons {
    display: flex;
    gap: 0.7rem;
    align-items: center;
    margin-left: auto;
}

#theme-toggle {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0.5rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.7em;
    background: linear-gradient(90deg, var(--primary-color) 60%, var(--secondary-color) 100%);
    color: #fff;
    border: none;
    border-radius: 28px;
    padding: 1.1rem 2.5rem;
    font-size: 1.18rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 18px #ff4b6e33;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
    margin: 0.5rem 1rem 0.5rem 0;
    letter-spacing: 0.01em;
}
.cta-button i {
    font-size: 1.25em;
    margin-right: 0.4em;
}
.cta-button:hover {
    background: linear-gradient(90deg, var(--secondary-color) 60%, var(--primary-color) 100%);
    transform: translateY(-2px) scale(1.045);
    box-shadow: 0 8px 32px #ff4b6e44;
}

.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8rem 5% 4rem;
    min-height: 100vh;
}

.hero-content {
    flex: 1;
    padding-right: 2rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 10px 30px var(--shadow-color);
}

.features {
    padding: 5rem 5%;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--card-background);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.products {
    padding: 5rem 5%;
}

.products h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(280px, 1fr));
    gap: 2rem;
    justify-content: center;
    justify-items: center;
}

@media (max-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(2, minmax(280px, 1fr));
        justify-content: center;
        justify-items: center;
    }
}

@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: 1fr;
        justify-content: center;
        justify-items: center;
    }
}

/* Ürün kartı modern tasarım */
.product-card {
    background: var(--card-background);
    border-radius: 18px;
    box-shadow: 0 8px 32px var(--shadow-color);
    padding: 2.2rem 1.5rem 2.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: transform 0.25s, box-shadow 0.25s;
    position: relative;
}
.product-card:hover {
    transform: translateY(-7px) scale(1.025);
    box-shadow: 0 16px 40px var(--shadow-color);
}
.product-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.7rem;
    color: var(--primary-color);
}
.product-card p {
    font-size: 1.08rem;
    margin-bottom: 0.7rem;
    color: var(--text-color);
    opacity: 0.92;
}
.product-card .price {
    margin-bottom: 1.3rem;
    font-size: 1.15rem;
}
.product-button {
    display: inline-flex;
    align-items: center;
    gap: 0.6em;
    background: linear-gradient(90deg, var(--primary-color) 60%, var(--secondary-color) 100%);
    color: #fff;
    border: none;
    border-radius: 25px;
    padding: 0.85rem 2.1rem;
    font-size: 1.08rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 2px 12px #ff4b6e22;
    transition: background 0.2s, transform 0.2s;
    margin: 0 auto;
    margin-top: 0.5rem;
}
.product-button i {
    font-size: 1.15em;
    margin-right: 0.3em;
}
.product-button:hover {
    background: linear-gradient(90deg, var(--secondary-color) 60%, var(--primary-color) 100%);
    transform: translateY(-2px) scale(1.04);
}

footer {
    background-color: var(--card-background);
    padding: 4rem 5% 2rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-section a {
    color: var(--text-color);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: var(--text-color);
    font-size: 1.5rem;
    transition: color 0.3s;
}

.social-links a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    .navbar {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        padding: 1rem;
        gap: 0.7rem;
    }
    .logo {
        margin-right: 0.7rem;
        order: 1;
    }
    .nav-links {
        order: 2;
    }
    .nav-buttons {
        order: 3;
        margin-left: 0;
        gap: 0.5rem;
        display: flex;
        align-items: center;
    }
    .mobile-menu-btn, #theme-toggle {
        order: 4;
        margin-left: 0.5rem;
        margin-right: 0;
        align-self: flex-end;
    }
    .navbar {
        position: fixed;
        width: 100%;
        z-index: 1000;
    }
    .mobile-menu-btn {
        margin-left: auto;
    }
    .nav-buttons {
        margin-left: 0.5rem;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 6rem;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 2rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .feature-grid,
    .product-grid {
        grid-template-columns: 1fr;
    }
}

.products-page {
    padding: 8rem 5% 4rem;
}

.products-page h1 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.product-categories {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.category h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 2rem;
}

.price {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.2rem;
    margin: 1rem;
}

.about-page {
    padding: 8rem 5% 4rem;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-content h1 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.about-section {
    background-color: var(--card-background);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px var(--shadow-color);
}

.about-section h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.about-section p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.about-section ul {
    list-style: none;
    padding-left: 1rem;
}

.about-section ul li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.about-section ul li:before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

.contact-page {
    padding: 8rem 5% 4rem;
}

.contact-page h1 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.contact-container {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 600px;
    margin: 0 auto;
}

.contact-info {
    background-color: var(--card-background);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px var(--shadow-color);
}

.contact-info h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.contact-info a {
    color: var(--text-color);
    text-decoration: none;
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.info-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-right: 1rem;
    width: 2rem;
    text-align: center;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--background-color);
        padding: 1rem;
        flex-direction: column;
        align-items: center;
        box-shadow: 0 2px 10px var(--shadow-color);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        padding: 0.5rem 0;
    }

    .navbar {
        padding: 1rem;
    }

    .contact-container {
        padding: 0 1rem;
    }

    .contact-info {
        padding: 1.5rem;
    }
}

.navbar a {
    text-decoration: none;
}

.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(30, 30, 40, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    animation: popup-fadein 0.3s;
}
@keyframes popup-fadein {
    from { opacity: 0; }
    to { opacity: 1; }
}
.popup {
    background: linear-gradient(135deg, #fff 60%, #ffe3ec 100%);
    border-radius: 20px;
    box-shadow: 0 12px 40px 0 rgba(0,0,0,0.18);
    padding: 2.5rem 2.5rem 2rem 2.5rem;
    max-width: 95vw;
    width: 420px;
    text-align: center;
    position: relative;
    animation: popup-in 0.4s cubic-bezier(.4,2,.6,1) both;
    border: 1.5px solid #ff4b6e22;
}
@keyframes popup-in {
    0% { transform: scale(0.85); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}
.popup-close {
    position: absolute;
    top: 1.1rem;
    right: 1.1rem;
    background: #ffe3ec;
    border: none;
    font-size: 1.6rem;
    color: #ff4b6e;
    cursor: pointer;
    border-radius: 50%;
    width: 2.2rem;
    height: 2.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px #ff4b6e22;
    transition: background 0.2s, color 0.2s;
}
.popup-close:hover {
    background: #ff4b6e;
    color: #fff;
}
.popup h2 {
    color: #ff4b6e;
    font-size: 2rem;
    margin-bottom: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}
.popup p {
    color: #333;
    font-size: 1.08rem;
    margin-bottom: 1.2rem;
    line-height: 1.7;
}
.popup .popup-cta {
    display: inline-block;
    margin-top: 0.5rem;
    background: linear-gradient(90deg, #ff4b6e 60%, #ff8fa3 100%);
    color: #fff;
    border: none;
    border-radius: 25px;
    padding: 0.8rem 2.2rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 2px 8px #ff4b6e22;
    transition: background 0.2s, transform 0.2s;
    text-decoration: none;
}
.popup .popup-cta:hover {
    background: linear-gradient(90deg, #ff8fa3 60%, #ff4b6e 100%);
    transform: translateY(-2px) scale(1.04);
}

.old-price {
    text-decoration: line-through;
    color: #b0b0b0;
    margin-right: 0.5em;
    font-size: 1.05em;
}

.product-details-info {
    max-width: 700px;
    margin: 0 auto 2.5rem auto;
    text-align: center;
    font-size: 1.15rem;
    color: #444;
    line-height: 1.7;
    background: #fff8fa;
    padding: 1.2rem 1.5rem;
    border-radius: 14px;
    box-shadow: 0 2px 12px #ff4b6e11;
}
[data-theme="dark"] .product-details-info {
    background: #2d2d2d;
    color: #fff;
    box-shadow: 0 2px 12px #ff4b6e22;
}

.details-container {
    max-width: 700px;
    margin: 4.5rem auto 2.5rem auto;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 24px #ff4b6e11;
    padding: 2.5rem 2rem 2rem 2rem;
    color: #333;
}
.details-container h1 {
    color: var(--primary-color);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
}
.details-container h2 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-top: 1.7rem;
    margin-bottom: 0.7rem;
}
.details-container h3 {
    color: #ff8fa3;
    font-size: 1.08rem;
    margin-top: 1.1rem;
    margin-bottom: 0.4rem;
}
.details-container ul {
    margin-left: 1.2em;
    color: #a33;
    margin-bottom: 1.2em;
}
.details-container li {
    margin-bottom: 0.7em;
}
.details-container p {
    margin-bottom: 1em;
    line-height: 1.7;
}
@media (max-width: 600px) {
    .details-container { padding: 1.2rem 0.5rem; }
    .details-container h1 { font-size: 1.3rem; }
}
[data-theme="dark"] .details-container {
    background: #2d2d2d;
    color: #fff;
    box-shadow: 0 2px 12px #ff4b6e22;
}

.countdown-container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.1rem;
    margin-top: 2rem;
    margin-bottom: 1.2rem;
}
.countdown-box {
    width: auto;
    min-width: 260px;
    max-width: 700px;
    background: var(--primary-color);
    color: #fff;
    padding: 1.2rem 1.5rem;
    border-radius: 22px;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 2px 16px var(--shadow-color);
    font-size: 1.13rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    transition: background 0.3s, color 0.3s;
    margin-bottom: 0;
}
.countdown-box i {
    font-size: 1.5rem;
    margin-right: 0.5rem;
    flex-shrink: 0;
    opacity: 0.93;
}
.countdown-box b {
    font-size: 1.08em;
    margin-right: 0.4em;
    font-weight: 700;
}
@media (max-width: 600px) {
    .countdown-box {
        font-size: 1rem;
        padding: 0.8rem 0.7rem;
        min-width: 0;
        max-width: 98vw;
    }
    .countdown-container {
        margin-top: 1.2rem;
        gap: 0.7rem;
        align-items: flex-start;
    }
}

.popup-tooltip {
    opacity: 0;
    pointer-events: none;
    background: #fff;
    color: #ff4b6e;
    font-size: 1.01rem;
    font-weight: 500;
    border-radius: 10px;
    box-shadow: 0 2px 12px #ff4b6e22;
    padding: 0.7em 1.1em;
    position: fixed;
    z-index: 3000;
    transition: opacity 0.18s;
    border: 1.5px solid #ff4b6e22;
    max-width: 320px;
    text-align: left;
    line-height: 1.5;
    left: 0;
    top: 0;
    white-space: normal;
}
.popup-tooltip.visible {
    opacity: 1;
    pointer-events: auto;
}

.popup-title {
    color: #ff4b6e;
    font-size: 2.1rem;
    margin-bottom: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.5px;
}
.popup-desc {
    color: #333;
    font-size: 1.13rem;
    margin-bottom: 1.2rem;
    line-height: 1.7;
}
.popup-discounts {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    margin-bottom: 1.2rem;
    align-items: center;
}
.popup-discount-box {
    background: linear-gradient(90deg, #ff4b6e 60%, #ff8fa3 100%);
    color: #fff;
    padding: 1.1rem 1.5rem;
    border-radius: 16px;
    box-shadow: 0 2px 10px #ff4b6e22;
    max-width: 320px;
    width: 100%;
    font-size: 1.13rem;
    display: flex;
    align-items: center;
    gap: 0.7em;
    position: relative;
}
.popup-discount-box.discount2 {
    background: linear-gradient(90deg, #ff8fa3 60%, #ff4b6e 100%);
}
.popup-discount-icon {
    font-size: 1.5em;
}
.popup-info-icon {
    margin-left: 0.5em;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5em;
    height: 1.5em;
    border-radius: 50%;
    background: rgba(255,255,255,0.18);
    color: #fff;
    font-size: 1.1em;
    position: relative;
}
.popup-cta {
    margin-top: 0.5rem;
}
.popup-note {
    margin-top: 1.2rem;
    font-size: 0.98rem;
    color: #888;
}
@media (max-width: 600px) {
    .popup-title { font-size: 1.3rem; }
    .popup-discount-box { font-size: 1.01rem; padding: 0.8rem 0.7rem; }
}

#support-widget {
    position: fixed;
    right: 32px;
    bottom: 32px;
    z-index: 3000;
    display: flex;
    flex-direction: column-reverse;
    align-items: flex-end;
  }
  #support-main-btn {
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    box-shadow: 0 4px 16px var(--shadow-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
    margin-top: 10px;
  }
  #support-main-btn:hover {
    background: var(--secondary-color);
    transform: scale(1.07);
  }
  .support-menu {
    display: none;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 0;
    margin-right: 0;
    align-items: flex-end;
    animation: support-menu-in 0.25s cubic-bezier(.4,2,.6,1) both;
  }
  .support-menu.open {
    display: flex;
  }
  .support-menu-btn {
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 52px;
    height: 52px;
    box-shadow: 0 2px 10px var(--shadow-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
    margin: 0;
  }
  .support-menu-btn:hover {
    background: var(--secondary-color);
    transform: scale(1.08);
  }
  #support-instagram {
    background: linear-gradient(135deg, var(--primary-color) 60%, var(--secondary-color) 100%);
  }
  #support-instagram:hover {
    background: linear-gradient(135deg, var(--secondary-color) 60%, var(--primary-color) 100%);
  }
  @media (max-width: 600px) {
    #support-widget { right: 12px; bottom: 12px; }
    #support-main-btn { width: 48px; height: 48px; font-size: 1.4rem; }
    .support-menu-btn { width: 40px; height: 40px; font-size: 1.1rem; }
    .support-menu { gap: 10px; }
  }
  
/* Ürün Detay Sayfası Stilleri */
.product-detail {
    padding: 8rem 5% 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.product-header {
    display: flex;
    gap: 3rem;
    margin-bottom: 4rem;
}

.product-image {
    flex: 1;
    max-width: 600px;
}

.product-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 10px 30px var(--shadow-color);
}

.product-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-info h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.product-description {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.product-price {
    margin-bottom: 2rem;
}

.current-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.product-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.secondary-button {
    background-color: var(--card-background);
    color: var(--text-color);
    border: 2px solid var(--primary-color);
    padding: 0.7rem 1.3rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1.05rem;
}

.secondary-button:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.product-features {
    margin-bottom: 4rem;
}

.product-features h2 {
    text-align: center;
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-item {
    background-color: var(--card-background);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: transform 0.3s;
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-item h3 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.product-details {
    background-color: var(--card-background);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 5px 15px var(--shadow-color);
}

.product-details h2 {
    text-align: center;
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.details-content {
    max-width: 800px;
    margin: 0 auto;
}

.details-content h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin: 2rem 0 1rem;
}

.details-content ol,
.details-content ul {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.details-content li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .product-header {
        flex-direction: column;
        gap: 2rem;
    }

    .product-image {
        max-width: 100%;
    }

    .product-info h1 {
        font-size: 2rem;
    }

    .product-actions {
        flex-direction: column;
    }

    .product-details {
        padding: 2rem 1rem;
    }
}

/* Güvenli ödeme alt yazısı */
.secure-payment {
    display: flex;
    align-items: center;
    gap: 0.4em;
    font-size: 0.98rem;
    color: #4caf50;
    margin-top: 0.3em;
    font-weight: 500;
}
.secure-payment i {
    color: #4caf50;
    font-size: 1.1em;
}

/* 404 Sayfası */


.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
}
.error-content {
    max-width: 600px;
}
.error-code {
    font-size: 8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
    line-height: 1;
}
.error-title {
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}
.error-message {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 2rem;
    opacity: 0.8;
}
.error-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}
@media (max-width: 768px) {
    .error-code {
        font-size: 6rem;
    }
    .error-title {
        font-size: 1.5rem;
    }
}