/* ============================================
   LUXO DENTAL — Design System & Styles
   ============================================ */

/* --- Design Tokens --- */
:root {
    /* Colors */
    --color-primary: #137fec;
    --color-primary-dark: #0b5fba;
    --color-primary-light: #e8f2fd;
    --color-accent: #0a9b6e;
    --color-dark: #0c1a2a;
    --color-dark-soft: #1a2d42;
    --color-text: #2d3748;
    --color-text-muted: #6b7b8d;
    --color-bg: #ffffff;
    --color-bg-warm: #f8f7f4;
    --color-bg-cool: #f0f4f8;
    --color-border: #e2e8f0;
    --color-gold: #c9a85c;

    /* Typography */
    --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration-fast: 200ms;
    --duration-normal: 400ms;
    --duration-slow: 700ms;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--duration-fast) var(--ease-out);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* --- Section Shared --- */
.section-label {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
    color: var(--color-dark);
    line-height: 1.2;
    margin-bottom: var(--space-sm);
}

.section-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: 2px;
    margin-bottom: var(--space-xl);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(19, 127, 236, 0.35);
}

.btn--primary:hover {
    background: var(--color-primary-dark);
    box-shadow: 0 6px 20px rgba(19, 127, 236, 0.45);
    transform: translateY(-2px);
}

.btn--secondary {
    background: transparent;
    color: var(--color-dark);
    border: 1.5px solid var(--color-border);
}

.btn--secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.btn .material-symbols-outlined {
    font-size: 1.1rem;
    transition: transform var(--duration-normal) var(--ease-out);
}

.btn:hover .material-symbols-outlined {
    transform: translateX(4px);
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 0;
    transition: all var(--duration-normal) var(--ease-out);
}

.header--scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    padding: 10px 0;
}

.header__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.header__logo-icon {
    font-size: 1.6rem;
    color: var(--color-primary);
}

.header__logo-text {
    display: flex;
    flex-direction: column;
}

.header__logo-name {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--color-dark);
}

.header__logo-tagline {
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

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

.header__link {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-dark-soft);
    position: relative;
    padding-bottom: 4px;
}

.header__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--duration-normal) var(--ease-out);
}

.header__link:hover::after {
    width: 100%;
}

.header__link:hover {
    color: var(--color-primary);
}

.header__cta {
    font-size: 0.82rem;
    font-weight: 600;
    padding: 10px 22px;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-full);
    transition: all var(--duration-normal) var(--ease-out);
}

.header__cta:hover {
    background: var(--color-primary-dark);
    box-shadow: 0 4px 14px rgba(19, 127, 236, 0.35);
    transform: translateY(-1px);
}

.header__menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.header__menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    border-radius: 2px;
    transition: all var(--duration-normal) var(--ease-out);
}

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

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero__bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: right center;
}

.hero__bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.97) 0%,
        rgba(255, 255, 255, 0.92) 40%,
        rgba(255, 255, 255, 0.6) 70%,
        rgba(255, 255, 255, 0.2) 100%
    );
    z-index: 1;
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    padding-top: 120px;
}

.hero__badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-primary);
    padding: 8px 16px;
    border: 1.5px solid var(--color-primary-light);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-lg);
    background: rgba(19, 127, 236, 0.04);
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.2rem);
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.15;
    margin-bottom: var(--space-md);
}

.hero__title em {
    color: var(--color-primary);
    font-style: italic;
}

.hero__subtitle {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    max-width: 500px;
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero__scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}

.hero__scroll-indicator .material-symbols-outlined {
    font-size: 2rem;
    color: var(--color-text-muted);
    opacity: 0.5;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* --- Services --- */
.services {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-warm);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.service-card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--duration-normal) var(--ease-out);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card__icon-wrap {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--color-primary-light);
    margin-bottom: var(--space-md);
}

.service-card__icon-wrap .material-symbols-outlined {
    font-size: 1.4rem;
    color: var(--color-primary);
}

.service-card__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--space-sm);
}

.service-card__desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
}

.service-card__link .material-symbols-outlined {
    font-size: 1rem;
    transition: transform var(--duration-fast) var(--ease-out);
}

.service-card__link:hover .material-symbols-outlined {
    transform: translateX(4px);
}

/* --- Team --- */
.team {
    padding: var(--space-3xl) 0;
    background: var(--color-bg);
}

.team__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: var(--space-xl);
    gap: var(--space-lg);
}

.team__header-desc {
    max-width: 400px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-align: right;
    line-height: 1.7;
}

.team__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.doctor-card {
    text-align: center;
    transition: all var(--duration-normal) var(--ease-out);
}

.doctor-card:hover {
    transform: translateY(-6px);
}

.doctor-card__img-wrap {
    width: 100%;
    aspect-ratio: 3 / 4;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-md);
    position: relative;
}

.doctor-card__img-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(12, 26, 42, 0.15) 100%);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
}

.doctor-card:hover .doctor-card__img-wrap::after {
    opacity: 1;
}

.doctor-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}

.doctor-card:hover .doctor-card__img {
    transform: scale(1.05);
}

.doctor-card__name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 4px;
}

.doctor-card__specialty {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.doctor-card__credential {
    display: block;
    font-size: 0.78rem;
    color: var(--color-text-muted);
}

/* --- Location --- */
.location {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-warm);
}

.location__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.location__desc {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.location__details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.location__detail {
    display: flex;
    gap: var(--space-sm);
    align-items: flex-start;
}

.location__detail-icon {
    font-size: 1.3rem;
    color: var(--color-primary);
    margin-top: 2px;
    flex-shrink: 0;
}

.location__detail strong {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 4px;
}

.location__detail p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.location__map {
    height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.location__map iframe {
    border-radius: var(--radius-lg);
}

/* --- Footer --- */
.footer {
    background: var(--color-dark);
    color: #fff;
    padding: var(--space-2xl) 0 var(--space-lg);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: var(--space-sm);
}

.footer__logo .material-symbols-outlined {
    font-size: 1.5rem;
    color: var(--color-primary);
}

.footer__logo-name {
    font-weight: 700;
    letter-spacing: 0.08em;
    font-size: 1rem;
}

.footer__brand-desc {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.7;
    max-width: 280px;
}

.footer__col-title {
    font-family: var(--font-body);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-md);
}

.footer__link {
    display: block;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 12px;
    transition: color var(--duration-fast) var(--ease-out);
}

.footer__link:hover {
    color: var(--color-primary);
}

.footer__socials {
    display: flex;
    gap: 12px;
}

.footer__social {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.08);
    transition: all var(--duration-fast) var(--ease-out);
}

.footer__social .material-symbols-outlined {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer__social:hover {
    background: var(--color-primary);
}

.footer__social:hover .material-symbols-outlined {
    color: #fff;
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__bottom p {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.35);
}

.footer__bottom-links {
    display: flex;
    gap: var(--space-md);
}

.footer__bottom-links a {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.35);
}

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

/* --- WhatsApp Float --- */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 90;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    background: #25d366;
    color: #fff;
    border-radius: var(--radius-full);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
    transition: all var(--duration-normal) var(--ease-out);
    font-size: 0.85rem;
    font-weight: 600;
}

.whatsapp-float:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.5);
    color: #fff;
}

.whatsapp-float .material-symbols-outlined {
    font-size: 1.3rem;
}

/* --- Reveal Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--duration-slow) var(--ease-out),
                transform var(--duration-slow) var(--ease-out);
}

.reveal--visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.services__grid .reveal:nth-child(2) { transition-delay: 0.15s; }
.services__grid .reveal:nth-child(3) { transition-delay: 0.3s; }
.team__grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.team__grid .reveal:nth-child(3) { transition-delay: 0.2s; }
.team__grid .reveal:nth-child(4) { transition-delay: 0.3s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .team__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header__nav {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 40px;
        z-index: 99;
    }

    .header__nav--open {
        display: flex;
    }

    .header__nav--open .header__link {
        font-size: 1.3rem;
    }

    .header__cta {
        display: none;
    }

    .header__menu-btn {
        display: flex;
        z-index: 101;
    }

    .header__menu-btn--open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .header__menu-btn--open span:nth-child(2) {
        opacity: 0;
    }

    .header__menu-btn--open span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero__title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .hero__content {
        padding-top: 100px;
    }

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

    .team__header {
        flex-direction: column;
        align-items: flex-start;
    }

    .team__header-desc {
        text-align: left;
    }

    .team__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

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

    .location__map {
        height: 300px;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .footer__bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }

    .whatsapp-float__text {
        display: none;
    }

    .whatsapp-float {
        padding: 14px;
        border-radius: 50%;
    }
}

@media (max-width: 480px) {
    .team__grid {
        grid-template-columns: 1fr;
    }

    .hero__actions {
        flex-direction: column;
    }

    .hero__actions .btn {
        justify-content: center;
    }
}