@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

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

html {
    scroll-behavior: smooth;
}

:root {
    --primary: #10B981;
    --primary-dark: #047857;
    --primary-deep: #064E3B;
    --accent: #FBBF24;
    --accent-bright: #FCD34D;
    --accent-rich: #F5C518;
    --bg: #03190F;
    --bg-elevated: #0F2A1E;
    --surface: rgba(15, 42, 30, 0.55);
    --surface-hover: rgba(15, 42, 30, 0.8);
    --border: rgba(251, 191, 36, 0.15);
    --border-bright: rgba(251, 191, 36, 0.35);
    --text: #FFFFFF;
    --text-muted: rgba(255, 255, 255, 0.7);
    --text-dim: rgba(255, 255, 255, 0.5);
    --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.4);
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 20% 0%, rgba(16, 185, 129, 0.18) 0%, transparent 45%),
        radial-gradient(circle at 80% 30%, rgba(251, 191, 36, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 50% 90%, rgba(16, 185, 129, 0.12) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

[data-lang="tr"] [lang="en"] { display: none !important; }
[data-lang="en"] [lang="tr"] { display: none !important; }

.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    background: rgba(3, 25, 15, 0.7);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 16px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.01em;
}

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

.nav-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-links {
    display: flex;
    gap: 28px;
    align-items: center;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

.nav-back {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

.lang-toggle {
    display: flex;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 100px;
    padding: 4px;
}

.lang-toggle button {
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    transition: all 0.2s ease;
    font-family: inherit;
}

.lang-toggle button.active {
    background: var(--accent);
    color: #1a1a1a;
}

.lang-toggle button:not(.active):hover {
    color: var(--text);
}

@media (max-width: 760px) {
    .nav-links { display: none; }
    .nav-logo span { display: none; }
}

.hero {
    padding: 80px 0 100px;
    text-align: center;
    position: relative;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent-bright);
    margin-bottom: 24px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-eyebrow::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.2); }
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.20;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    background: linear-gradient(180deg, #FFFFFF 0%, #D1FAE5 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-bright) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p.lead {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 auto 40px;
    line-height: 1.6;
}

.cta-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.store-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 24px;
    background: linear-gradient(135deg, #1a1a1a 0%, #000 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: all 0.25s ease;
    min-width: 200px;
    position: relative;
}

.store-btn[aria-disabled="true"] {
    cursor: not-allowed;
    opacity: 0.7;
}

.store-btn[aria-disabled="true"]:hover {
    transform: none;
}

.store-btn:not([aria-disabled="true"]):hover {
    transform: translateY(-2px);
    border-color: var(--border-bright);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border-bright);
}

.store-btn svg {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

.store-btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.1;
}

.store-btn-text small {
    font-size: 0.7rem;
    color: var(--text-dim);
    font-weight: 400;
}

.store-btn-text strong {
    font-size: 1rem;
    font-weight: 700;
}

.store-btn-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-rich) 100%);
    color: #1a1a1a;
    font-size: 0.7rem;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 100px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    box-shadow: 0 4px 12px rgba(251, 191, 36, 0.4);
    white-space: nowrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
    margin-top: 24px;
}

.hero-stat {
    text-align: center;
    min-width: 120px;
}

.hero-stat-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-bright);
    letter-spacing: -0.02em;
    line-height: 1;
}

.hero-stat-label {
    font-size: 0.85rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 8px;
}

.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 64px;
}

.section-eyebrow {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.feature-card {
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius);
    padding: 28px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(251, 191, 36, 0.04) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.2) 0%, rgba(251, 191, 36, 0.05) 100%);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--accent-bright);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.modes-stack {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mode-card {
    display: grid;
    grid-template-columns: 80px 1fr auto;
    gap: 28px;
    align-items: center;
    padding: 32px;
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.mode-card:hover {
    border-color: var(--border-bright);
    background: var(--surface-hover);
}

.mode-card-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.25);
}

.mode-card-icon svg {
    width: 40px;
    height: 40px;
    color: #fff;
}

.mode-card-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.mode-card-content p {
    color: var(--text-muted);
    font-size: 0.98rem;
}

.mode-card-tag {
    padding: 6px 14px;
    background: rgba(251, 191, 36, 0.12);
    border: 1px solid var(--border);
    color: var(--accent-bright);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    white-space: nowrap;
}

@media (max-width: 700px) {
    .mode-card {
        grid-template-columns: 64px 1fr;
        gap: 20px;
        padding: 24px;
    }
    .mode-card-icon {
        width: 64px;
        height: 64px;
    }
    .mode-card-icon svg {
        width: 32px;
        height: 32px;
    }
    .mode-card-tag {
        grid-column: 1 / -1;
        justify-self: start;
    }
}

.languages-strip {
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.languages-strip h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.lang-list {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.lang-chip {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 100px;
    font-weight: 600;
    color: var(--text);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.lang-chip-flag {
    font-size: 1.1rem;
}

.cta-banner {
    background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-dark) 100%);
    border: 1px solid var(--border-bright);
    border-radius: var(--radius-lg);
    padding: 56px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(251, 191, 36, 0.2) 0%, transparent 70%);
    pointer-events: none;
}

.cta-banner h2 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 800;
    margin-bottom: 12px;
    position: relative;
}

.cta-banner p {
    color: var(--text-muted);
    margin-bottom: 32px;
    position: relative;
    font-size: 1.05rem;
}

.cta-banner .cta-group {
    margin-bottom: 0;
    position: relative;
}

.page-hero {
    padding: 64px 0 32px;
    text-align: center;
    position: relative;
}

.page-hero-logo {
    display: block;
    width: 96px;
    height: auto;
    margin: 0 auto 24px;
}

.page-hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
    background: linear-gradient(180deg, #FFFFFF 0%, #D1FAE5 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.page-hero-meta {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--accent-bright);
    font-weight: 600;
}

.page-hero-lead {
    max-width: 720px;
    margin: 18px auto 0;
    color: var(--text-muted);
    font-size: 1.05rem;
}

.content-wrap {
    max-width: 880px;
    margin: 0 auto 80px;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.content-card {
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    padding: 48px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    margin-bottom: 24px;
}

.content-card h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-top: 32px;
    margin-bottom: 14px;
    letter-spacing: -0.01em;
    color: var(--text);
}

.content-card > h2:first-child,
.content-card > [lang]:first-child h2:first-child {
    margin-top: 0;
}

.content-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-top: 22px;
    margin-bottom: 8px;
    color: var(--text);
}

.content-card p {
    color: var(--text-muted);
    margin-bottom: 14px;
    line-height: 1.75;
}

.content-card ul,
.content-card ol {
    color: var(--text-muted);
    margin-bottom: 16px;
    padding-left: 24px;
}

.content-card li {
    margin-bottom: 8px;
    line-height: 1.7;
}

.content-card strong {
    color: var(--text);
    font-weight: 700;
}

.content-card a {
    color: var(--accent-bright);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.content-card a:hover {
    border-bottom-color: var(--accent-bright);
}

.content-card hr {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    margin: 32px 0;
}

.content-card table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 0.95rem;
}

.content-card th,
.content-card td {
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 12px 14px;
    text-align: left;
}

.content-card th {
    background: rgba(251, 191, 36, 0.08);
    color: var(--accent-bright);
    font-weight: 700;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.content-card td {
    color: var(--text-muted);
}

.info-block {
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius);
    padding: 18px 22px;
    margin: 16px 0;
}

.info-block p {
    margin-bottom: 6px;
}

.info-block p:last-child {
    margin-bottom: 0;
}

.notice-block {
    background: rgba(251, 191, 36, 0.08);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    margin: 20px 0;
}

.notice-block strong {
    color: var(--accent-bright);
}

.notice-block ul {
    margin-bottom: 0;
    margin-top: 8px;
}

ol.steps {
    counter-reset: step-counter;
    list-style: none;
    padding-left: 0;
    margin: 0;
}

ol.steps li {
    counter-increment: step-counter;
    position: relative;
    padding: 16px 16px 16px 60px;
    margin-bottom: 12px;
    background: rgba(16, 185, 129, 0.06);
    border-left: 3px solid var(--primary);
    border-radius: var(--radius-sm);
    color: var(--text);
}

ol.steps li::before {
    content: counter(step-counter);
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
}

footer {
    padding: 60px 0 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    margin-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-brand img {
    height: 48px;
    width: auto;
}

.footer-brand-name {
    font-weight: 800;
    font-size: 1.1rem;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.95rem;
    max-width: 320px;
}

.footer-col h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-dim);
    margin-bottom: 16px;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.footer-col a svg {
    width: 16px;
    height: 16px;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    color: var(--text-dim);
    font-size: 0.88rem;
}

@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .content-card {
        padding: 28px 22px;
    }
    .hero {
        padding: 48px 0 64px;
    }
    .section {
        padding: 64px 0;
    }
    .hero-stats {
        gap: 24px;
    }
    .hero-stat {
        min-width: 100px;
    }
    .hero-stat-num {
        font-size: 1.6rem;
    }
    .cta-banner {
        padding: 40px 24px;
    }
    .page-hero {
        padding: 40px 0 24px;
    }
}