:root {
    /* Palette derived from assets/tarjeta.jpg */
    --color-primary: #4cd3cd; /* Dental Teal */
    --color-primary-light: #b2ece9;
    --color-primary-dark: #3baea8;
    
    --color-secondary: #6c71c4; /* Complementary Purple */
    --color-secondary-light: #9ea2e3;

    --color-bg: #f2f2f2;
    --color-bg-light: #e8eef0;
    --color-surface: #ffffff;
    --color-text-main: #1a3b3a;
    --color-text-muted: #587c7a;
    --color-nav-bg: rgba(255, 255, 255, 0.95);

    --color-white: #ffffff;

    --font-heading: 'Quicksand', sans-serif;
    --font-body: 'Nunito', sans-serif;

    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: 0.3s ease;
}

body.dark-mode {
    --color-bg: #0a1a19;
    --color-bg-light: #142b2a;
    --color-surface: #1b302f;
    --color-text-main: #e0f2f1;
    --color-text-muted: #88adaa;
    --color-nav-bg: rgba(10, 26, 25, 0.95);
    --color-primary-light: #1b4d4a;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text-main);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--color-text-main);
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 5rem 0;
}

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

.mt-4 {
    margin-top: 1.5rem;
}

/* Utilities */
.text-highlight {
    color: var(--color-primary);
}

.bg-light {
    background-color: var(--color-bg-light);
}

.bg-solarized {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.bg-solarized h2,
.bg-solarized p {
    color: var(--color-white);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    font-weight: 700;
    font-family: var(--font-heading);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 14px rgba(76, 211, 205, 0.3);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(76, 211, 205, 0.4);
}

.btn-secondary {
    background-color: var(--color-surface);
    color: var(--color-primary);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    background-color: var(--color-bg);
    transform: translateY(-3px);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-nav-bg);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: background-color var(--transition-fast);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--color-primary);
}

.logo-icon {
    font-size: 2rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 600;
    color: var(--color-text-muted);
    transition: color 0.3s;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--color-secondary);
    transition: width 0.3s;
}

.nav-links a:hover::after {
    width: 100%;
}

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    padding: 0;
}

.theme-toggle:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: rotate(15deg);
}

.theme-toggle .sun-icon {
    display: none;
}

.dark-mode .theme-toggle .sun-icon {
    display: block;
}

.dark-mode .theme-toggle .moon-icon {
    display: none;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-cta {
        display: none;
    }
}

/* Hero Section */
.hero {
    padding-top: 8rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.hero-image-wrapper {
    position: relative;
    border-radius: 30px;
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: 30px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 2;
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform var(--transition-slow);
}

.hero-image:hover {
    transform: perspective(1000px) rotateY(0deg) scale(1.02);
}

.blob-bg {
    position: absolute;
    top: -10%;
    right: -10%;
    width: 120%;
    height: 120%;
    background-color: var(--color-primary-light);
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    z-index: 1;
    opacity: 0.3;
    animation: blob-morph 8s infinite alternate ease-in-out;
}

@keyframes blob-morph {
    0% {
        border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    }

    100% {
        border-radius: 60% 40% 30% 70% / 60% 50% 40% 50%;
    }
}

@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-content h1 {
        font-size: 2.8rem;
    }

    .hero-actions {
        justify-content: center;
    }
}

/* Services */
.section-header p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--color-surface);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
    border-bottom: 4px solid var(--color-primary);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(108, 113, 196, 0.15);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Team */
.team-flex {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.team-member {
    background: var(--color-surface);
    border-radius: 20px;
    overflow: hidden;
    max-width: 350px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: background-color var(--transition-fast);
}

.member-image-placeholder {
    height: 250px;
    background-color: var(--color-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
}

.member-info {
    padding: 2rem;
    text-align: center;
}

.member-role {
    color: var(--color-secondary);
    font-weight: 700;
    margin-bottom: 1rem;
}

/* Footer / Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.detail-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.detail-item .icon {
    font-size: 1.5rem;
}

.map-placeholder {
    background-color: rgba(255, 255, 255, 0.2);
    height: 300px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    border: 2px dashed rgba(255, 255, 255, 0.5);
}

.footer-bottom {
    text-align: center;
    padding: 2rem;
    background-color: rgba(0, 0, 0, 0.1);
    margin-top: 4rem;
}

.social-links a {
    color: var(--color-white);
    text-decoration: underline;
    font-weight: 700;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* --- Scroll Animations using Intersection Observer --- */

.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.slide-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

/* Classes applied by JS when in view */
.is-visible {
    opacity: 1;
    transform: translate(0, 0);
}