/* Landing Page */
:root {
    --primary-bg: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.6);
    --accent-blue: #38bdf8;
    --accent-purple: #818cf8;
    --text-main: #f8fafc;
    --text-sub: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Outfit', sans-serif; }

html { height: 100%; background-color: var(--primary-bg); scroll-behavior: smooth; }

body {
    background-color: var(--primary-bg);
    color: var(--text-main);
    min-height: 100vh;
}

body::before {
    content: "";
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image:
        radial-gradient(at 10% 20%, rgba(56, 189, 248, 0.12) 0px, transparent 55%),
        radial-gradient(at 90% 80%, rgba(129, 140, 248, 0.12) 0px, transparent 55%);
    z-index: -1;
    pointer-events: none;
}

/* ── Navbar ── */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2.5rem;
    background: rgba(15, 23, 42, 0.85);
    border-bottom: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.navbar-logo {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 3px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.navbar-actions { display: flex; align-items: center; gap: 1rem; }

.btn-login {
    padding: 0.6rem 1.4rem;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
}
.btn-login:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-blue);
}

/* ── Hero ── */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 6rem 2rem 5rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    border-radius: 99px;
    border: 1px solid rgba(56, 189, 248, 0.3);
    background: rgba(56, 189, 248, 0.08);
    color: var(--accent-blue);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #f8fafc 0%, var(--accent-blue) 50%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-sub);
    max-width: 560px;
    line-height: 1.7;
    margin-bottom: 3rem;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }

.btn-primary {
    padding: 0.9rem 2.2rem;
    border-radius: 12px;
    border: none;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 8px 24px -6px rgba(56, 189, 248, 0.4);
}
.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px -6px rgba(129, 140, 248, 0.5);
}

.btn-secondary {
    padding: 0.9rem 2.2rem;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

/* ── Features ── */
.features {
    padding: 4rem 2rem 6rem;
    max-width: 1100px;
    margin: 0 auto;
}

.section-label {
    text-align: center;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent-blue);
    margin-bottom: 0.75rem;
}

.section-title {
    text-align: center;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    margin-bottom: 3rem;
    color: var(--text-main);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all 0.3s ease;
}
.feature-card:hover {
    border-color: rgba(56, 189, 248, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 16px 40px -12px rgba(0, 0, 0, 0.4);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.15), rgba(129, 140, 248, 0.15));
    border: 1px solid rgba(56, 189, 248, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 1.25rem;
}

.feature-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    color: var(--text-main);
}

.feature-desc {
    font-size: 0.875rem;
    color: var(--text-sub);
    line-height: 1.6;
}

/* ── CTA Bottom ── */
.cta-section {
    padding: 5rem 2rem;
    text-align: center;
    border-top: 1px solid var(--glass-border);
}

.cta-section h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-section p {
    color: var(--text-sub);
    margin-bottom: 2.5rem;
    font-size: 1rem;
}

/* ── Footer ── */
footer {
    border-top: 1px solid var(--glass-border);
    padding: 1.5rem 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-sub);
    font-size: 0.8rem;
}

footer .footer-logo {
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Language Switcher ── */
.lang-toggle { position: relative; display: inline-flex; z-index: 100; }
.lang-toggle-btn {
    display: flex; align-items: center; gap: 6px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 8px; color: var(--text-main);
    padding: 0.4rem 0.7rem; font-size: 0.78rem;
    font-weight: 500; cursor: pointer;
    transition: all 0.2s ease; white-space: nowrap;
    font-family: inherit; line-height: 1.4;
}
.lang-toggle-btn:hover { background: rgba(255, 255, 255, 0.1); border-color: var(--accent-blue); }
.lang-toggle-btn .arrow { font-size: 0.6rem; opacity: 0.5; margin-left: 3px; }
.lang-toggle-dropdown {
    display: none; position: fixed;
    margin-top: 6px; background: #1a2540;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px; min-width: 170px;
    backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.04);
    z-index: 9999; overflow: hidden;
    animation: langDropIn 0.15s ease;
}
.lang-toggle-dropdown.open { display: block; }
@keyframes langDropIn {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}
.lang-toggle-option {
    display: block; padding: 0.55rem 1rem; cursor: pointer;
    transition: background 0.15s ease; font-size: 0.82rem;
    color: var(--text-main); text-decoration: none;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}
.lang-toggle-option:last-child { border-bottom: none; }
.lang-toggle-option:hover { background: rgba(255, 255, 255, 0.06); }
.lang-toggle-option.active { background: rgba(56,189,248,0.15); color: var(--accent-blue); }
.lang-code { font-size: 0.78rem; }

/* ── Responsive ── */
@media (max-width: 768px) {
    .navbar { padding: 1rem 1.25rem; }
    .hero { padding: 4rem 1.25rem 3rem; }
    .features { padding: 3rem 1.25rem 4rem; }
    .features-grid { grid-template-columns: 1fr; }
    footer { flex-direction: column; gap: 0.5rem; text-align: center; }
}