/* ========================================
   Diamond Smile Dental Clinic
   Premium Medical Theme - Fully Responsive
======================================== */

/* CSS Variables */
:root {
    /* Medical Color Palette */
    --primary: #00d4aa;
    --primary-dark: #00b894;
    --secondary: #0984e3;
    --accent: #6c5ce7;
    --gold: #f39c12;

    /* Neutrals */
    --dark: #1a1a2e;
    --dark-blue: #16213e;
    --gray: #636e72;
    --light-gray: #dfe6e9;
    --light: #f8f9fa;
    --white: #ffffff;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00d4aa 0%, #00b894 50%, #0984e3 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    --gradient-card: linear-gradient(180deg, rgba(0, 212, 170, 0.1) 0%, transparent 100%);

    /* Typography */
    --font: 'Tajawal', sans-serif;

    /* Shadows */
    --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 10px 40px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 25px 60px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 10px 40px rgba(0, 212, 170, 0.3);

    /* Transitions */
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Border Radius */
    --radius-sm: 10px;
    --radius-md: 20px;
    --radius-lg: 30px;
    --radius-full: 50px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font);
    background: var(--light);
    color: var(--dark);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

/* ========================================
   Loader
======================================== */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.5s, visibility 0.5s;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
    color: var(--white);
}

.loader-content i {
    font-size: 4rem;
    color: var(--primary);
    animation: pulse 1.5s infinite;
    display: block;
    margin-bottom: 20px;
}

.loader-content span {
    font-size: 1.2rem;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.2);
    }
}

/* ========================================
   Navigation
======================================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: all var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
    padding: 15px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    transition: color var(--transition);
}

.navbar.scrolled .logo {
    color: var(--dark);
}

.logo i {
    font-size: 1.8rem;
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 35px;
    list-style: none;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    padding: 5px 0;
    transition: color var(--transition);
}

.navbar.scrolled .nav-link {
    color: var(--dark);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 10px;
    transition: width var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

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

.nav-actions {
    display: flex;
    align-items: center;
}

.nav-btn {
    padding: 12px 25px;
    background: var(--gradient-primary);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition);
    box-shadow: var(--shadow-glow);
}

.nav-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 50px rgba(0, 212, 170, 0.4);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    border-radius: 10px;
    transition: all var(--transition);
}

.navbar.scrolled .menu-toggle span {
    background: var(--dark);
}

/* ========================================
   Buttons
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: var(--radius-full);
    font-family: var(--font);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 50px rgba(0, 212, 170, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

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

.btn-block {
    width: 100%;
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1629909613654-28e377c37b09?w=1200&q=80') center/cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.9) 0%, rgba(22, 33, 62, 0.8) 100%);
}

.hero-container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 20px 80px;
    width: 100%;
}

.hero-content {
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(0, 212, 170, 0.2);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: var(--radius-full);
    color: var(--primary);
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 25px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 25px;
}

.hero-title .highlight {
    display: block;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 35px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 50px;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 900;
    color: var(--primary);
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ========================================
   Section Styling
======================================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(0, 212, 170, 0.1);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.section-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Services Section
======================================== */
.services {
    padding: 100px 0;
    background: var(--white);
}

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

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    margin: 0 auto 25px;
    transition: transform var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(-5deg);
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark);
}

.service-card p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ========================================
   About Section
======================================== */
.about {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--light) 0%, var(--white) 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.experience-badge {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 120px;
    height: 120px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: var(--shadow-glow);
}

.experience-badge .number {
    font-size: 2.5rem;
    font-weight: 900;
}

.experience-badge .text {
    font-size: 0.85rem;
}

.about-content .section-badge {
    margin-bottom: 15px;
}

.about-content .section-title {
    text-align: right;
    margin-bottom: 20px;
}

.about-content>p {
    color: var(--gray);
    margin-bottom: 30px;
    line-height: 1.8;
}

.about-features {
    list-style: none;
    margin-bottom: 30px;
}

.about-features li {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 0;
    color: var(--dark);
    font-weight: 500;
}

.about-features i {
    color: var(--primary);
    font-size: 1.2rem;
}

/* ========================================
   Doctors Section
======================================== */
.doctors {
    padding: 100px 0;
    background: var(--white);
}

.doctors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.doctor-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition);
}

.doctor-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.doctor-image {
    height: 300px;
    overflow: hidden;
}

.doctor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

.doctor-card:hover .doctor-image img {
    transform: scale(1.1);
}

.doctor-info {
    padding: 25px;
    text-align: center;
}

.doctor-info h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.doctor-info span {
    color: var(--primary);
    font-weight: 500;
}

/* ========================================
   Booking Section
======================================== */
.booking {
    padding: 80px 0;
    background: var(--gradient-dark);
}

.booking-box {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: 50px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.booking-content {
    text-align: center;
    margin-bottom: 40px;
}

.booking-content h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--white);
    margin-bottom: 10px;
}

.booking-content p {
    color: rgba(255, 255, 255, 0.7);
}

.booking-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 18px 20px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
    color: var(--white);
    font-family: var(--font);
    font-size: 1rem;
    transition: all var(--transition);
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.1);
}

.form-group select option {
    background: var(--dark);
    color: var(--white);
}

/* ========================================
   Contact Section
======================================== */
.contact {
    padding: 100px 0;
    background: var(--light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--dark);
    margin-bottom: 10px;
}

.contact-info>p {
    color: var(--gray);
    margin-bottom: 40px;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1rem;
    color: var(--dark);
    margin-bottom: 5px;
}

.contact-item span {
    color: var(--gray);
    font-size: 0.95rem;
}

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

.social-links a {
    width: 45px;
    height: 45px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.social-links a:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-5px);
}

.contact-map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    height: 100%;
    min-height: 400px;
}

.contact-map iframe {
    width: 100%;
    height: 100%;
}

/* ========================================
   Footer
======================================== */
.footer {
    background: var(--dark);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 20px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
    max-width: 300px;
}

.footer-links h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 25px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    color: rgba(255, 255, 255, 0.4);
}

/* ========================================
   WhatsApp Float Button
======================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.5);
}

/* ========================================
   Responsive Design
======================================== */

/* Tablet Landscape */
@media (max-width: 1024px) {
    .about-grid {
        gap: 40px;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

/* Tablet Portrait */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        transition: right var(--transition);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links .nav-link {
        color: var(--dark);
        font-size: 1.2rem;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-btn {
        display: none;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .hero-stats {
        justify-content: center;
        gap: 30px;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-content {
        text-align: center;
    }

    .about-content .section-title {
        text-align: center;
    }

    .about-features li {
        justify-content: center;
    }

    .about-image {
        order: -1;
    }

    .experience-badge {
        right: 50%;
        transform: translateX(50%);
        bottom: -10px;
    }

    .booking-form .form-row {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-info {
        text-align: center;
    }

    .contact-item {
        justify-content: center;
        text-align: right;
    }

    .social-links {
        justify-content: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand p {
        max-width: 100%;
        margin: 0 auto;
    }
}

/* Mobile */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .services,
    .about,
    .doctors,
    .contact {
        padding: 60px 0;
    }

    .hero-container {
        padding: 100px 15px 60px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .service-card,
    .doctor-card {
        padding: 30px 20px;
    }

    .booking-box {
        padding: 30px 20px;
    }

    .contact-map {
        min-height: 300px;
    }

    .whatsapp-float {
        bottom: 20px;
        left: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}