/* ============================================================
   Elite Singles - Style Sheet
   Domain: elite-singles.app
   ============================================================ */

/* --- CSS Variables --- */
:root {
    --color-primary: #1a3a5c;
    --color-primary-dark: #0f2540;
    --color-primary-light: #2c5282;
    --color-accent: #c9a84c;
    --color-accent-hover: #b8943a;
    --color-bg: #f8f9fa;
    --color-white: #ffffff;
    --color-text: #2d3748;
    --color-text-light: #4a5568;
    --color-text-muted: #718096;
    --color-border: #e2e8f0;
    --color-success: #38a169;
    --color-error: #e53e3e;
    --font-heading: 'Georgia', 'Times New Roman', serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
    --radius: 6px;
    --radius-lg: 12px;
    --max-width: 1200px;
    --header-height: 72px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}
a:hover {
    color: var(--color-accent);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary-dark);
    line-height: 1.3;
    font-weight: 700;
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.2rem; }

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-body);
    border: 2px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.25s ease;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-primary-dark);
}
.btn-primary:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-light {
    background: var(--color-white);
    border-color: var(--color-white);
    color: var(--color-primary);
}
.btn-light:hover {
    background: #edf2f7;
    border-color: #edf2f7;
}

.btn-outline-light {
    background: transparent;
    border-color: var(--color-white);
    color: var(--color-white);
}
.btn-outline-light:hover {
    background: var(--color-white);
    color: var(--color-primary);
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1.1rem;
}

/* --- Header & Navigation --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: box-shadow 0.3s ease;
}
.header.scrolled {
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    letter-spacing: 0.5px;
}
.logo img {
    height: 36px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav a {
    padding: 8px 16px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
    border-radius: var(--radius);
    transition: all 0.2s ease;
}
.nav a:hover,
.nav a.active {
    color: var(--color-primary);
    background: rgba(26,58,92,0.05);
}

.nav .btn {
    margin-left: 8px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-primary-dark);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 650px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
    color: var(--color-white);
    overflow: hidden;
    margin-top: var(--header-height);
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 70%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(201,168,76,0.12) 0%, transparent 70%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    color: var(--color-white);
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}
.hero-content h1 span {
    color: var(--color-accent);
}

.hero-content p {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}
.hero-image img {
    max-width: 440px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* --- Stats Bar --- */
.stats-bar {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: 36px 0;
}

.stats-bar .container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.stat-item h3 {
    font-size: 2rem;
    color: var(--color-accent);
    margin-bottom: 4px;
}
.stat-item p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* --- Sections --- */
.section {
    padding: 80px 0;
}
.section-light {
    background: var(--color-white);
}
.section-narrow {
    padding: 48px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}
.section-header h2 {
    margin-bottom: 12px;
}
.section-header p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    max-width: 640px;
    margin: 0 auto;
}

/* --- Features Grid --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    transition: all 0.3s ease;
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: rgba(26,58,92,0.06);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.feature-icon img {
    width: 32px;
    height: 32px;
}

.feature-card h3 {
    margin-bottom: 12px;
    font-size: 1.2rem;
}
.feature-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* --- How It Works --- */
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    counter-reset: step;
}

.step {
    position: relative;
    text-align: center;
    padding: 40px 24px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}
.step::before {
    counter-increment: step;
    content: counter(step);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin: 0 auto 20px;
    background: var(--color-accent);
    color: var(--color-primary-dark);
    font-size: 1.3rem;
    font-weight: 700;
    border-radius: 50%;
    font-family: var(--font-heading);
}

.step h3 {
    margin-bottom: 10px;
}
.step p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* --- Testimonials --- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    position: relative;
}
.testimonial-card::before {
    content: '\201C';
    position: absolute;
    top: 8px;
    left: 20px;
    font-size: 4rem;
    color: rgba(201,168,76,0.2);
    line-height: 1;
    font-family: var(--font-heading);
}

.testimonial-card p {
    color: var(--color-text-light);
    font-style: italic;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}
.testimonial-card .author {
    font-weight: 600;
    color: var(--color-primary);
    font-style: normal;
}
.testimonial-card .author span {
    display: block;
    font-weight: 400;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* --- CTA Section --- */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: var(--color-white);
    text-align: center;
    padding: 80px 0;
}
.cta-section h2 {
    color: var(--color-white);
    margin-bottom: 16px;
}
.cta-section p {
    color: rgba(255,255,255,0.8);
    font-size: 1.1rem;
    max-width: 560px;
    margin: 0 auto 32px;
}

.app-badges {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}
.app-badge img {
    height: 48px;
    width: auto;
}

/* --- Footer --- */
.footer {
    background: var(--color-primary-dark);
    color: rgba(255,255,255,0.7);
    padding: 56px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand p {
    margin-top: 12px;
    font-size: 0.95rem;
    max-width: 320px;
}

.footer-col h4 {
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.footer-col ul {
    list-style: none;
}
.footer-col ul li {
    margin-bottom: 10px;
}
.footer-col ul li a {
    color: rgba(255,255,255,0.65);
    font-size: 0.9rem;
    transition: color 0.2s ease;
}
.footer-col ul li a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.85rem;
}

.footer-links {
    display: flex;
    gap: 20px;
}
.footer-links a {
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
}
.footer-links a:hover {
    color: var(--color-accent);
}

/* --- Page Header (Inner Pages) --- */
.page-header {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: var(--color-white);
    padding: 120px 0 56px;
    text-align: center;
    margin-top: var(--header-height);
}
.page-header h1 {
    color: var(--color-white);
    margin-bottom: 12px;
}
.page-header p {
    color: rgba(255,255,255,0.75);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* --- Content Layout (Inner Pages) --- */
.content-section {
    padding: 64px 0;
    background: var(--color-white);
}

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

.content-body h2 {
    margin: 40px 0 16px;
}
.content-body h2:first-child {
    margin-top: 0;
}
.content-body h3 {
    margin: 28px 0 12px;
}
.content-body p {
    margin-bottom: 16px;
    color: var(--color-text-light);
}
.content-body ul,
.content-body ol {
    margin: 0 0 20px 24px;
    color: var(--color-text-light);
}
.content-body ul li,
.content-body ol li {
    margin-bottom: 8px;
}

/* --- Contact Page --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-info h2 {
    margin-bottom: 16px;
}
.contact-info p {
    color: var(--color-text-light);
    margin-bottom: 24px;
}

.contact-detail {
    margin-bottom: 20px;
}
.contact-detail strong {
    display: block;
    color: var(--color-primary-dark);
    margin-bottom: 4px;
}

.contact-form {
    background: var(--color-bg);
    padding: 36px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-primary-dark);
    font-size: 0.9rem;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-family: var(--font-body);
    transition: border-color 0.2s ease;
    background: var(--color-white);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(201,168,76,0.15);
}
.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* --- App Pages --- */
.app-feature-list {
    list-style: none;
    margin: 24px 0;
}
.app-feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    color: var(--color-text-light);
}
.app-feature-list li::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    background: var(--color-accent);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 3px;
    position: relative;
}
.app-feature-list li::after {
    content: '\2713';
    position: relative;
    left: -20px;
    top: 3px;
    color: var(--color-primary-dark);
    font-weight: 700;
    font-size: 0.8rem;
}

.app-screenshots {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 32px 0;
}
.app-screenshots img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* --- FAQ --- */
.faq-list {
    margin-top: 40px;
}
.faq-item {
    border-bottom: 1px solid var(--color-border);
    padding: 20px 0;
}
.faq-item:first-child {
    border-top: 1px solid var(--color-border);
}
.faq-item h3 {
    font-family: var(--font-body);
    font-size: 1.05rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-primary);
}
.faq-item p {
    color: var(--color-text-light);
    margin-top: 10px;
    display: block;
}

/* --- About Page --- */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 32px 0;
}

.value-card {
    text-align: center;
    padding: 32px 20px;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
}
.value-card h3 {
    margin-bottom: 8px;
    font-size: 1.1rem;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-content p {
        max-width: 100%;
    }
    .hero-cta {
        justify-content: center;
    }
    .hero-image {
        order: -1;
    }
    .hero-image img {
        max-width: 280px;
    }
    .features-grid,
    .steps,
    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }
    .stats-bar .container {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .contact-grid,
    .values-grid {
        grid-template-columns: 1fr;
    }
    .app-screenshots {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.6rem; }

    .nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: var(--color-white);
        flex-direction: column;
        padding: 16px 24px;
        box-shadow: var(--shadow-md);
        gap: 4px;
        transform: translateY(-120%);
        transition: transform 0.3s ease;
    }
    .nav.open {
        transform: translateY(0);
    }
    .nav a {
        width: 100%;
        padding: 12px 16px;
    }
    .hamburger {
        display: flex;
    }

    .hero {
        min-height: 500px;
    }
    .hero-content h1 {
        font-size: 2rem;
    }
    .hero-content p {
        font-size: 1rem;
    }

    .stats-bar .container {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .app-screenshots {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin: 32px auto;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .section {
        padding: 56px 0;
    }
}