/* ==========================================================================
   Razaek MediCare — Frontend Components
   ========================================================================== */

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-pill);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-smooth);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-brand);
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 210, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 210, 255, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* ── Glass Cards ── */
.glass-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 32px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.glass-card:hover {
    background: var(--bg-glass-hover);
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-glow);
}

/* ── Navigation ── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    display: flex;
    align-items: center;
    z-index: 1000;
    transition: all var(--transition-smooth);
    border-bottom: 1px solid transparent;
}

.site-header.scrolled {
    background: rgba(6, 11, 19, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-glass);
    height: 70px;
}

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

.brand-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.brand-logo-img {
    height: 48px;
    width: auto;
    display: block;
    transition: all var(--transition-smooth);
}

.site-header.scrolled .brand-logo-img {
    height: 40px;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
    color: var(--brand-primary);
}

/* ── Hero Section ── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-content {
    max-width: 600px;
    z-index: 10;
}

.hero-title {
    font-size: clamp(40px, 5vw, 64px);
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-weight: 400;
}

.hero-visual {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 50%;
    height: 80vh;
    z-index: 1;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 40px 0 0 40px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.hero-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.8;
}

.hero-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, var(--bg-base) 0%, transparent 50%);
}

/* ── Forms ── */
.input-group {
    margin-bottom: 24px;
}

.input-label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.input-field {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 16px;
    transition: all var(--transition-fast);
}

.input-field:focus {
    outline: none;
    border-color: var(--brand-primary);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 0 4px rgba(0, 210, 255, 0.1);
}

/* ── Footer ── */
.site-footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-glass);
    padding: 80px 0 40px;
    margin-top: 80px;
}

/* Responsive */
@media (max-width: 992px) {
    .nav-links { display: none; } /* Mobile menu toggle needed */
    .hero { flex-direction: column; text-align: center; padding-top: 120px; }
    .hero-content { margin: 0 auto; max-width: 800px; }
    .hero-visual { position: relative; width: 100%; height: 400px; margin-top: 40px; transform: none; right: auto; }
    .hero-image-wrapper { border-radius: var(--radius-lg); }
}