/* ==========================================================================
   DENTAL 3D ESSENTIAL PREMIUM STYLING
   ========================================================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: #0b0f19;
    color: #f3f4f6;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    overflow-x: hidden;
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-svg {
    width: 38px;
    height: 38px;
}

.logo-text {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, #ffffff 0%, #00d2c4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 25px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.icon-svg {
    width: 20px;
    height: 20px;
    color: #94a3b8;
    transition: color 0.3s ease, transform 0.3s ease;
}

.icon-svg:hover {
    color: #00d2c4;
    transform: translateY(-2px);
}

.booking-phone {
    background: linear-gradient(135deg, #00d2c4 0%, #00b4db 100%);
    padding: 10px 22px;
    border-radius: 50px;
    font-size: 0.88rem;
    color: #ffffff;
    font-weight: 500;
    box-shadow: 0 4px 20px rgba(0, 210, 196, 0.25);
    transition: opacity 0.3s ease;
}

.booking-phone:hover {
    opacity: 0.9;
}

/* Menu Navigasi */
.main-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.9);
    padding: 10px 0;
    z-index: 999;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.main-menu ul {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 35px;
}

.main-menu a {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #94a3b8;
}

.main-menu a:hover {
    color: #00d2c4;
}

/* Hero Section */
.hero-3d {
    position: relative;
    height: 100vh;
    min-height: 650px;
    display: flex;
    align-items: center;
    padding: 0 8%;
    margin-top: 40px;
    background: radial-gradient(circle at 80% 50%, #152035 0%, #0b0f19 70%);
}

.hero-text {
    position: relative;
    z-index: 10;
    max-width: 48%;
}

.hero-text h1 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 15px;
    color: #ffffff;
}

.accent-text {
    background: linear-gradient(to right, #00d2c4, #00b4db);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text p {
    font-size: 1.05rem;
    color: #94a3b8;
    margin-bottom: 30px;
}

.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, #00b4db 0%, #00d2c4 100%);
    padding: 12px 30px;
    border-radius: 6px;
    font-weight: 600;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 180, 219, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
}

#canvas-container {
    position: absolute;
    top: 0;
    right: 0;
    width: 52%;
    height: 100%;
    z-index: 5;
}

/* Section Blocks */
.section-block {
    padding: 90px 8%;
    background-color: #0b0f19;
}

.alt-bg {
    background-color: #0f1524;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: #00d2c4;
    margin: 10px auto 0 auto;
    border-radius: 2px;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: #131a2c;
    padding: 35px 25px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 210, 196, 0.3);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #ffffff;
}

.service-card p {
    color: #94a3b8;
    font-size: 0.95rem;
}

/* Testimonials */
.testimonial-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

@media (max-width: 768px) {
    .testimonial-container { grid-template-columns: 1fr; }
    .hero-text { max-width: 100%; text-align: center; }
    #canvas-container { width: 100%; opacity: 0.3; }
    header { padding: 15px 20px; }
    .header-right { gap: 10px; }
}

.testimonial-card {
    background: #131a2c;
    padding: 30px;
    border-radius: 8px;
    border-left: 4px solid #00d2c4;
}

.quote {
    font-style: italic;
    color: #cbd5e1;
    margin-bottom: 15px;
}

.patient-name {
    display: block;
    font-weight: 600;
    color: #00d2c4;
}

/* Form Booking */
.form-container {
    max-width: 600px;
    margin: 0 auto;
    background: #131a2c;
    padding: 40px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: #cbd5e1;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px;
    background: #0b0f19;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    color: #ffffff;
    font-size: 1rem;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: #00d2c4;
}

.btn-submit {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #00d2c4 0%, #00b4db 100%);
    border: none;
    border-radius: 6px;
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 210, 196, 0.2);
}

/* Footer */
footer {
    background: #060911;
    padding: 45px 5%;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-links {
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: #64748b;
}

.footer-links a {
    margin: 0 10px;
}

.footer-links a:hover {
    color: #00d2c4;
}

footer p {
    font-size: 0.82rem;
    color: #475569;
}