/**
 * Site Publico — Base CSS (reset, variables, tipografia)
 * Subsistema: site/css
 * Carregado por: style.css (hub)
 */
/* ============================================
   Base — Design Tokens, Reset, Typography,
   Utilities, Decorative Elements, Buttons
   ============================================ */

/* ── Google Fonts Import ── */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Montserrat:wght@300;400;500;600;700&family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&display=swap');

/* ── CSS Variables (Design Tokens) ── */
:root {
    /* Primary Palette */
    --color-bg: #FAF7F2;
    --color-bg-warm: #F5F0E8;
    --color-bg-soft: #FDF9F3;
    --color-bg-card: #FFFFFF;
    
    /* Gold Spectrum */
    --color-gold: #D4AF37;
    --color-gold-light: #E8D48B;
    --color-gold-dark: #B8941E;
    --color-gold-muted: #C9A84C;
    --color-gold-glow: rgba(212, 175, 55, 0.15);
    
    /* Accent */
    --color-green: #A8BFA0;
    --color-green-soft: #C5D9BE;
    --color-green-dark: #7A9B6F;
    
    /* Coral / Gamification (Digital Products) */
    --color-coral: #F4A261;
    --color-coral-light: #FF9F6B;
    --color-coral-dark: #E08A3E;
    --color-coral-glow: rgba(244, 162, 97, 0.15);
    --color-coral-glow-strong: rgba(244, 162, 97, 0.25);
    --shadow-coral: 0 4px 20px rgba(244, 162, 97, 0.3);
    --shadow-coral-lg: 0 8px 40px rgba(244, 162, 97, 0.35);
    
    /* Neutrals */
    --color-text: #2D2A26;
    --color-text-soft: #5A5650;
    --color-text-muted: #8A857E;
    --color-text-light: #B0AAA2;
    --color-border: #E8E2D8;
    --color-border-soft: #F0EBE3;
    
    /* Semantic */
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-overlay: rgba(45, 42, 38, 0.6);
    --color-overlay-light: rgba(45, 42, 38, 0.3);
    
    /* Typography */
    --font-display: 'Playfair Display', 'Georgia', serif;
    --font-body: 'Montserrat', 'Helvetica Neue', sans-serif;
    --font-accent: 'Cormorant Garamond', 'Georgia', serif;
    
    /* Font Sizes (fluid) */
    --text-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.8rem);
    --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.9rem);
    --text-base: clamp(0.9rem, 0.85rem + 0.25vw, 1rem);
    --text-md: clamp(1rem, 0.9rem + 0.5vw, 1.15rem);
    --text-lg: clamp(1.1rem, 1rem + 0.5vw, 1.35rem);
    --text-xl: clamp(1.3rem, 1.1rem + 1vw, 1.75rem);
    --text-2xl: clamp(1.6rem, 1.3rem + 1.5vw, 2.25rem);
    --text-3xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
    --text-4xl: clamp(2.5rem, 1.8rem + 3.5vw, 4rem);
    --text-hero: clamp(2.8rem, 2rem + 4vw, 5rem);
    
    /* Spacing */
    --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;
    --space-section: clamp(4rem, 3rem + 5vw, 8rem);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.08);
    --shadow-xl: 0 16px 50px rgba(0,0,0,0.1);
    --shadow-gold: 0 4px 20px rgba(212, 175, 55, 0.2);
    --shadow-gold-lg: 0 8px 40px rgba(212, 175, 55, 0.25);
    --shadow-inner: inset 0 2px 4px rgba(0,0,0,0.04);
    
    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration-fast: 200ms;
    --duration-normal: 400ms;
    --duration-slow: 600ms;
    
    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;
    --container-wide: 1400px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

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

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

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

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

button {
    font-family: var(--font-body);
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-md); }

.font-accent {
    font-family: var(--font-accent);
}

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

.text-gradient {
    background: linear-gradient(135deg, var(--color-gold-dark), var(--color-gold), var(--color-gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

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

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

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

.section--white {
    background-color: var(--color-white);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-header .section-label {
    display: inline-block;
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-md);
    position: relative;
    padding: 0 var(--space-xl);
}

.section-header .section-label::before,
.section-header .section-label::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 1px;
    background: var(--color-gold-light);
}

.section-header .section-label::before { left: 0; transform: translateX(-100%); }
.section-header .section-label::after { right: 0; transform: translateX(100%); }

.section-header h2 {
    margin-bottom: var(--space-md);
}

.section-header p {
    color: var(--color-text-soft);
    font-size: var(--text-md);
    line-height: 1.8;
}

/* ── Decorative Elements ── */
.diamond-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin: var(--space-xl) 0;
}

.diamond-divider::before,
.diamond-divider::after {
    content: '';
    height: 1px;
    width: 60px;
    background: linear-gradient(90deg, transparent, var(--color-gold-light));
}

.diamond-divider::after {
    background: linear-gradient(90deg, var(--color-gold-light), transparent);
}

.diamond-divider .diamond {
    width: 8px;
    height: 8px;
    background: var(--color-gold);
    transform: rotate(45deg);
    flex-shrink: 0;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-2xl);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
    opacity: 0;
    transition: opacity var(--duration-fast);
}

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

.btn--primary {
    background: linear-gradient(135deg, var(--color-gold-dark), var(--color-gold));
    color: var(--color-white);
    box-shadow: var(--shadow-gold);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold-lg);
    color: var(--color-white);
}

.btn--secondary {
    background: transparent;
    color: var(--color-gold-dark);
    border: 2px solid var(--color-gold);
}

.btn--secondary:hover {
    background: var(--color-gold);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn--white {
    background: var(--color-white);
    color: var(--color-gold-dark);
    box-shadow: var(--shadow-md);
}

.btn--white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--color-gold-dark);
}

.btn--lg {
    padding: var(--space-lg) var(--space-3xl);
    font-size: var(--text-base);
}

.btn--sm {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--text-xs);
}

.btn--icon {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: 50%;
}

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

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

.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all var(--duration-slow) var(--ease-out);
}

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

.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all var(--duration-slow) var(--ease-out);
}

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

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: all var(--duration-slow) var(--ease-out);
}

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

/* Stagger children */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--duration-normal) var(--ease-out);
}

.stagger-children.visible > *:nth-child(1)  { transition-delay: 0.05s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(2)  { transition-delay: 0.1s;  opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(3)  { transition-delay: 0.15s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(4)  { transition-delay: 0.2s;  opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(5)  { transition-delay: 0.25s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(6)  { transition-delay: 0.3s;  opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(7)  { transition-delay: 0.35s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(8)  { transition-delay: 0.4s;  opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(9)  { transition-delay: 0.45s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(10) { transition-delay: 0.5s;  opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(11) { transition-delay: 0.55s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(12) { transition-delay: 0.6s;  opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(n+13) { transition-delay: 0.65s; opacity: 1; transform: translateY(0); }

/* ── Image Placeholder Utility ── */
.img-placeholder {
    background: linear-gradient(135deg, var(--color-bg-warm), var(--color-gold-glow));
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: var(--space-sm);
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    text-align: center;
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
}

.img-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, var(--color-gold-glow), transparent 70%);
    opacity: 0.5;
}

.img-placeholder svg {
    width: 32px;
    height: 32px;
    stroke: var(--color-gold-light);
    position: relative;
    z-index: 1;
}

.img-placeholder span {
    position: relative;
    z-index: 1;
}

/* ── Base Responsive ── */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .section-header .section-label::before,
    .section-header .section-label::after {
        width: 20px;
    }
}

/* ── Print ── */
@media print {
    .header, .whatsapp-float, .popup-overlay, .mobile-nav {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        padding: 2rem 0;
    }
    
    body {
        background: white;
        color: black;
    }
}