:root {
    --primary: #242e4a;
    --secondary: #15c097;
    --accent: #FBBF24;
    --background: #FFFBEB;
    --surface: #FFFFFF;
    --text: #242e4a;
    --error: #EF4444;
    --font-heading: 'Nunito', sans-serif;
    --font-body: 'Rubik', sans-serif;
    --font-ui: 'Rubik', sans-serif;
}

body {
    background-color: var(--background);
    color: var(--text);
    font-family: var(--font-body);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--text);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    background-color: var(--surface);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
}

.logo img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: bold;
    letter-spacing: -1px;
}

.logo-text .part1 {
    color: #242e4a;
}

.logo-text .part2 {
    color: #15c097;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-family: var(--font-ui);
    font-weight: 600;
    transition: color 0.3s;
    font-size: 1.1rem;
}

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

.btn-primary {
    background-color: var(--primary);
    color: white !important;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    text-decoration: none;
    font-family: var(--font-ui);
    font-weight: bold;
    transition: all 0.2s ease-in-out;
    display: inline-block;
    box-shadow: 0 4px 6px rgba(36, 46, 74, 0.2);
    border: 2px solid var(--primary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(36, 46, 74, 0.3);
    color: white !important;
    filter: brightness(1.1);
}

.btn-secondary {
    background-color: var(--surface);
    color: var(--primary) !important;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    text-decoration: none;
    font-family: var(--font-ui);
    font-weight: bold;
    transition: all 0.2s ease-in-out;
    display: inline-block;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
    background-color: var(--primary);
    color: white !important;
}

/* Footer */
.footer {
    background-color: white;
    padding: 5rem 0 3rem;
    margin-top: auto;
    border-top: 1px solid rgba(0, 0, 0, 0.03);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 4rem;
}

.footer-col h4 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

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

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

.footer-links a {
    text-decoration: none;
    color: #64748B;
    font-size: 0.95rem;
    transition: color 0.2s;
    font-family: var(--font-ui);
}

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

@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-col {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer-col .logo {
        justify-content: center;
    }

    .footer-col div[style*="align-items: flex-start"] {
        align-items: center !important;
    }
}

/* Specific Section Styles */
.hero {
    padding: 5rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.hero p {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    padding: 1rem 0;
}

.feature-card {
    background: var(--surface);
    padding: 2.5rem;
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid rgba(0, 0, 0, 0.02);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
}

.feature-icon {
    font-size: 3rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
    background: rgba(52, 211, 153, 0.1);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--text);
}

.feature-card p {
    color: #64748B;
    font-size: 1.05rem;
}

/* Feature Lists */
.feature-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.feature-list li {
    margin-bottom: 1.2rem;
    display: grid;
    grid-template-columns: 32px 1fr;
    align-items: flex-start;
    gap: 0.8rem;
    color: #4B5563;
    line-height: 1.5;
}

.feature-list li .icon {
    font-size: 1.2rem;
    display: flex;
    justify-content: center;
    padding-top: 2px;
}

.feature-list li .text strong {
    color: var(--primary);
    display: block;
    margin-bottom: 0.2rem;
    font-size: 1.05rem;
}


/* Forms */
.form-container {
    max-width: 450px;
    margin: 4rem auto;
    padding: 3rem;
    background: var(--surface);
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-family: var(--font-ui);
    font-weight: bold;
    color: var(--text);
}

.form-input {
    width: 100%;
    padding: 1rem;
    border: 2px solid rgba(167, 139, 250, 0.2);
    border-radius: 12px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s;
    box-sizing: border-box;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    background-color: #FAFAFF;
}

/* Mockup & Split Layouts */
.hero-split {
    display: flex;
    align-items: center;
    gap: 4rem;
    text-align: left;
}

.hero-text {
    flex: 1;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hero-image img {
    max-width: 100%;
    max-height: 600px;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(0px);
    }
}

@media (max-width: 768px) {
    .hero-split {
        flex-direction: column;
        text-align: center;
    }

    .hero-image img {
        max-height: 400px;
    }
}

.feature-row {
    display: flex;
    align-items: center;
    gap: 5rem;
    margin-bottom: 8rem;
}

.feature-row:nth-child(even) {
    flex-direction: row-reverse;
}

.feature-text {
    flex: 1;
}

.feature-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.feature-visual img {
    max-width: 100%;
    border-radius: 30px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
    background-color: var(--surface);
    /* min-height removed to allow thumbnails */
    display: block;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

/* Pricing Styles */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
    padding: 2rem 0;
}

.pricing-card {
    background: var(--surface);
    padding: 3rem;
    border-radius: 30px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, border-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pricing-card.popular {
    border: 2px solid var(--primary);
    transform: scale(1.03);
    box-shadow: 0 25px 60px rgba(36, 46, 74, 0.1);
}

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: var(--secondary);
}

.pricing-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.pricing-card .price {
    margin-bottom: 2rem;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
}

.pricing-features li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: #4B5563;
}

.pricing-card .badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--primary);
    color: white;
    padding: 8px 45px;
    transform: rotate(45deg);
    font-size: 0.8rem;
    font-weight: bold;
}

/* Lightbox & Image Styles */
.clickable-image {
    cursor: zoom-in;
    transition: transform 0.3s ease, filter 0.3s ease;
    height: 450px;
    /* Sabit ve tatmin edici bir yükseklik */
    width: 100%;
    /* Genişliği doldur */
    object-fit: contain;
    /* Kesilmeden sığdır */
    display: block;
    background-color: transparent;
    margin: 0 auto;
    /* Ortala */
}

.clickable-image:hover {
    transform: scale(1.03);
    filter: brightness(1.05);
}

#lightbox {
    position: fixed;
    z-index: 2000;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(5px);
}

#lightbox.active {
    opacity: 1;
    pointer-events: auto;
}

#lightbox img {
    max-width: 90%;
    max-height: 90%;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
    border-radius: 8px;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

#lightbox.active img {
    transform: scale(1);
}

#lightbox-close {
    position: absolute;
    top: 30px;
    right: 40px;
    color: white;
    font-size: 3rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
    line-height: 1;
}

#lightbox-close:hover {
    color: var(--accent);
}

/* Guarantee Section Styles */
.guarantee-section {
    margin-top: 4rem;
    padding: 3rem;
    background: #FFFCF0;
    /* Very light gold/cream */
    border: 2px solid #FCD34D;
    /* Gold border */
    border-radius: 24px;
    position: relative;
    overflow: hidden;
}

.guarantee-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.guarantee-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.guarantee-icon-box {
    font-size: 2.5rem;
    background: white;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 10px 20px rgba(251, 191, 36, 0.15);
    border: 1px solid rgba(251, 191, 36, 0.3);
    flex-shrink: 0;
}

.guarantee-content h4 {
    color: var(--primary);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-weight: 800;
}

.guarantee-content p {
    color: #4B5563;
    font-size: 1rem;
    line-height: 1.5;
    margin: 0;
}

.guarantee-badge {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: #F59E0B;
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: bold;
    font-size: 0.9rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 2;
    white-space: nowrap;
}

/* Mobile Responsive Styles */
@media (max-width: 900px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--surface);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        flex-direction: column;
        padding: 2rem 0;
        gap: 1.5rem;
        border-top: 1px solid rgba(0, 0, 0, 0.05);
    }

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

    .mobile-menu-btn {
        display: block !important;
        font-size: 1.5rem;
        cursor: pointer;
        padding: 0.5rem;
    }

    .nav-content {
        padding: 0 1rem;
    }

    .hero-split {
        flex-direction: column-reverse;
        text-align: center;
        gap: 2rem;
    }

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

    .feature-row {
        flex-direction: column !important;
        gap: 3rem;
        text-align: center;
        margin-bottom: 5rem;
    }

    .feature-list li {
        justify-content: center;
        text-align: left;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
}

@media (max-width: 600px) {
    .container {
        padding: 0 1.5rem;
    }

    .footer-grid,
    .guarantee-grid,
    .feature-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .footer-col {
        text-align: center;
        align-items: center;
    }

    .footer-col .logo {
        justify-content: center;
    }

    .guarantee-item {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .guarantee-badge {
        width: 80%;
        font-size: 0.8rem;
    }

    .guarantee-section {
        padding: 2rem 1.5rem;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
        box-sizing: border-box;
    }
}