/* ═══════════════════════════════════════════════
   DESIGN SYSTEM — Dicas para Clínicas
   Premium dark theme: cinza escuro, dourado, bordô
   ═══════════════════════════════════════════════ */

/* ── CSS Variables ── */
:root {
    /* Paleta Premium */
    --color-black: #0a0a0a;
    --color-dark: #111111;
    --color-dark-gray: #1a1a1a;
    --color-medium-gray: #242424;
    --color-gray: #2e2e2e;
    --color-light-gray-muted: #888888;
    --color-light-gray: #d0d0d0;
    --color-off-white: #f0f0f0;
    --color-white: #ffffff;

    /* Dourado */
    --color-gold: #c9a84c;
    --color-gold-light: #dbc278;
    --color-gold-dark: #a8893a;
    --color-gold-subtle: rgba(201, 168, 76, 0.1);
    --color-gold-glow: rgba(201, 168, 76, 0.25);

    /* Bordô */
    --color-burgundy: #7a1f3d;
    --color-burgundy-light: #9e2f53;
    --color-burgundy-dark: #5c1530;
    --color-burgundy-subtle: rgba(122, 31, 61, 0.15);

    /* Tipografia */
    --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Tamanhos */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3.25rem;
    --text-6xl: 4rem;

    /* Espaçamento */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Seções */
    --section-padding: clamp(80px, 10vw, 140px);
    --container-max: 1200px;
    --container-narrow: 800px;

    /* Bordas & Sombras */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 50%;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-gold: 0 4px 20px rgba(201, 168, 76, 0.2);

    /* Transições */
    --transition-fast: all 0.2s ease;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--color-light-gray);
    background-color: var(--color-dark);
    overflow-x: hidden;
}

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

a {
    color: var(--color-gold);
    text-decoration: none;
    transition: var(--transition-smooth);
}

a:hover {
    color: var(--color-gold-light);
}

ul, ol {
    list-style: none;
}

/* ── Tipografia ── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-white);
    letter-spacing: -0.01em;
    margin-bottom: var(--space-md);
}

h1 {
    font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
    font-weight: 700;
}

h2 {
    font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
}

h3 {
    font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
}

h4 {
    font-size: var(--text-2xl);
}

h5 {
    font-size: var(--text-xl);
}

h6 {
    font-size: var(--text-lg);
}

p {
    margin-bottom: var(--space-lg);
    color: var(--color-light-gray);
}

.text-gold {
    color: var(--color-gold);
}

.text-burgundy {
    color: var(--color-burgundy-light);
}

.text-white {
    color: var(--color-white);
}

.text-muted {
    color: var(--color-light-gray-muted);
}

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

/* ── Layout ── */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.container-narrow {
    max-width: var(--container-narrow);
}

.section-padding {
    padding: var(--section-padding) 0;
}

.flex {
    display: flex;
}

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

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

.grid {
    display: grid;
}

/* ── Botões ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 14px 36px;
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-smooth);
    text-decoration: none;
    line-height: 1;
    white-space: nowrap;
}

.btn-gold {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    color: var(--color-black);
    border-color: var(--color-gold);
}

.btn-gold:hover {
    background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
    color: var(--color-black);
    box-shadow: var(--shadow-gold);
    transform: translateY(-2px);
}

.btn-burgundy {
    background: linear-gradient(135deg, var(--color-burgundy), var(--color-burgundy-dark));
    color: var(--color-white);
    border-color: var(--color-burgundy);
}

.btn-burgundy:hover {
    background: linear-gradient(135deg, var(--color-burgundy-light), var(--color-burgundy));
    box-shadow: 0 4px 20px rgba(122, 31, 61, 0.3);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--color-gold);
    border-color: var(--color-gold);
}

.btn-outline:hover {
    background: var(--color-gold);
    color: var(--color-black);
}

.btn-outline-white {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
}

.btn-sm {
    padding: 10px 24px;
    font-size: var(--text-sm);
}

.btn-lg {
    padding: 18px 48px;
    font-size: var(--text-lg);
}

/* ── Cards ── */
.card {
    background: var(--color-medium-gray);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-gold-subtle), transparent);
    opacity: 0;
    transition: var(--transition-smooth);
}

.card:hover {
    transform: translateY(-4px);
    border-color: rgba(201, 168, 76, 0.15);
    box-shadow: var(--shadow-lg);
}

.card:hover::before {
    opacity: 1;
}

.card-dark {
    background: var(--color-dark-gray);
}

/* ── Badges ── */
.badge {
    display: inline-block;
    padding: 4px 12px;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
}

.badge-gold {
    background: var(--color-gold-subtle);
    color: var(--color-gold);
    border: 1px solid rgba(201, 168, 76, 0.2);
}

.badge-burgundy {
    background: var(--color-burgundy-subtle);
    color: var(--color-burgundy-light);
    border: 1px solid rgba(122, 31, 61, 0.2);
}

/* ── Decorative Elements ── */
.gold-line {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
    border-radius: 2px;
    margin: var(--space-lg) 0 var(--space-xl);
}

.gold-line-center {
    margin: var(--space-lg) auto;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-gold);
    margin-bottom: var(--space-lg);
}

.section-label::before {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--color-gold);
}

/* ── Navbar ── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-lg) 0;
    transition: var(--transition-smooth);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--space-md) 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

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

.navbar-logo img {
    height: 42px;
    width: auto;
    transition: var(--transition-smooth);
}

.navbar.scrolled .navbar-logo img {
    height: 36px;
}

.footer-brand img {
    height: 40px;
    width: auto;
    margin-bottom: var(--space-md);
}

.navbar-logo-text {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 0.02em;
}

.navbar-logo-text span {
    color: var(--color-gold);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.navbar-links {
    display: flex;
    gap: var(--space-xl);
}

.navbar-links a {
    font-size: var(--text-sm);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.75);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    position: relative;
    padding: var(--space-xs) 0;
}

.navbar-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-gold);
    transition: var(--transition-smooth);
}

.navbar-links a:hover {
    color: var(--color-white);
}

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

.navbar-cta .btn {
    padding: 10px 24px;
    font-size: var(--text-xs);
}

/* Mobile Toggle */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
    background: transparent;
    border: none;
}

.navbar-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition-smooth);
    transform-origin: center;
}

.navbar-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggle.active span:nth-child(2) {
    opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Scroll Animations ── */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }

/* ── Overlay & Gradients ── */
.overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.overlay-dark {
    background: rgba(10, 10, 10, 0.75);
}

.overlay-gradient {
    background: linear-gradient(180deg, rgba(10, 10, 10, 0.3) 0%, rgba(10, 10, 10, 0.9) 100%);
}

/* ── Pop-up Styles ── */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

.popup-overlay.active {
    display: flex;
    opacity: 1;
}

.popup-content {
    background: var(--color-dark-gray);
    border: 1px solid rgba(201, 168, 76, 0.15);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl);
    max-width: 520px;
    width: 90%;
    position: relative;
    transform: scale(0.9);
    transition: var(--transition-smooth);
    text-align: center;
}

.popup-overlay.active .popup-content {
    transform: scale(1);
}

.popup-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: var(--transition-smooth);
}

.popup-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.popup-content h3 {
    margin-bottom: var(--space-sm);
}

.popup-content p {
    margin-bottom: var(--space-xl);
    color: var(--color-light-gray);
}

.popup-content img {
    max-width: 200px;
    margin: 0 auto var(--space-xl);
    border-radius: var(--radius-md);
}

/* ── Footer ── */
.site-footer {
    background: var(--color-black);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand p {
    color: var(--color-light-gray-muted);
    font-size: var(--text-sm);
    margin-top: var(--space-md);
    max-width: 300px;
}

.footer-heading {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-white);
    margin-bottom: var(--space-lg);
}

.footer-links a {
    display: block;
    color: var(--color-light-gray-muted);
    font-size: var(--text-sm);
    margin-bottom: var(--space-sm);
    transition: var(--transition-smooth);
}

.footer-links a:hover {
    color: var(--color-gold);
    padding-left: 4px;
}

.footer-contact-links a {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-contact-links .material-symbols-outlined {
    font-size: 18px;
    color: var(--color-gold);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-light-gray-muted);
    font-size: 16px; /* Ajustado para Font Awesome */
    transition: var(--transition-smooth);
}

.footer-social a:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
    background: var(--color-gold-subtle);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--text-sm);
    color: var(--color-light-gray-muted);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: clamp(60px, 8vw, 100px);
    }

    .container {
        padding: 0 var(--space-lg);
    }

    /* Mobile Navigation */
    .navbar-toggle {
        display: flex;
    }

    .navbar-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 360px;
        height: 100vh;
        background: var(--color-dark-gray);
        flex-direction: column;
        justify-content: center;
        padding: var(--space-3xl);
        transition: var(--transition-smooth);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    }

    .navbar-menu.active {
        right: 0;
    }

    .navbar-links {
        flex-direction: column;
        gap: var(--space-xl);
        text-align: center;
    }

    .navbar-links a {
        font-size: var(--text-lg);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    .btn-lg {
        padding: 16px 36px;
        font-size: var(--text-base);
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 12px 28px;
        font-size: var(--text-sm);
    }
}

/* ── Utilities ── */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-md); }
.mb-2 { margin-bottom: var(--space-xl); }
.mb-3 { margin-bottom: var(--space-2xl); }
.mb-4 { margin-bottom: var(--space-3xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-md); }
.mt-2 { margin-top: var(--space-xl); }
.mt-3 { margin-top: var(--space-2xl); }

.pt-0 { padding-top: 0; }
.pb-0 { padding-bottom: 0; }