/* ============================================
   MAIN.CSS — Variáveis, Reset, Tipografia e Layout base
   Dra. Patrícia Albuquerque — Metodologia GestaSafe
   ============================================ */

/* ====== DESIGN TOKENS ====== */
:root {
    /* Cores principais (do protocolo) */
    --rosa:           #F4C2C2;
    --rosa-claro:     #FBEAEA;
    --rosa-escuro:    #E59B9B;
    --bege:           #F5E6D3;
    --bege-claro:     #FBF4EA;
    --dourado:        #D4AF87;
    --dourado-escuro: #B58C5F;
    --cinza-escuro:   #4A4A4A;
    --cinza-medio:    #7A7A7A;
    --cinza-claro:    #E5E5E5;
    --cinza-bg:       #FAFAFA;
    --branco:         #FFFFFF;
    --preto:          #1A1A1A;

    /* Semânticas */
    --cor-primaria:   var(--rosa);
    --cor-acento:     var(--dourado);
    --cor-fundo:      var(--branco);
    --cor-fundo-alt:  var(--bege-claro);
    --cor-texto:      var(--cinza-escuro);
    --cor-texto-sec:  var(--cinza-medio);
    --cor-borda:      var(--cinza-claro);

    /* Tipografia */
    --font-titulos:   'Montserrat', system-ui, -apple-system, sans-serif;
    --font-corpo:     'Open Sans', system-ui, -apple-system, sans-serif;
    --font-script:    'Dancing Script', 'Brush Script MT', cursive;

    /* Tamanhos fluidos (mobile → desktop) */
    --fs-h1: clamp(2rem, 5vw + 0.5rem, 3.75rem);   /* 32 → 60px */
    --fs-h2: clamp(1.625rem, 3vw + 0.5rem, 2.5rem);/* 26 → 40px */
    --fs-h3: clamp(1.25rem, 2vw + 0.5rem, 1.75rem);/* 20 → 28px */
    --fs-h4: clamp(1.125rem, 1vw + 0.75rem, 1.375rem);
    --fs-body: clamp(1rem, 0.5vw + 0.875rem, 1.125rem); /* 16 → 18px */
    --fs-small: 0.875rem;
    --fs-tiny: 0.75rem;
    --fs-cta: clamp(1rem, 1vw + 0.75rem, 1.125rem);

    /* Espaçamento */
    --space-3xs: 0.25rem;
    --space-2xs: 0.5rem;
    --space-xs:  0.75rem;
    --space-sm:  1rem;
    --space-md:  1.5rem;
    --space-lg:  2rem;
    --space-xl:  3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-4xl: 8rem;

    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;
    --container-padding: clamp(1rem, 4vw, 2rem);
    --header-height: 80px;
    --header-height-mobile: 64px;

    /* Bordas e sombras */
    --radius-sm:  6px;
    --radius-md:  12px;
    --radius-lg:  20px;
    --radius-xl:  32px;
    --radius-full: 999px;

    --shadow-sm:  0 1px 2px rgba(74, 74, 74, 0.06);
    --shadow-md:  0 4px 12px rgba(74, 74, 74, 0.08);
    --shadow-lg:  0 12px 32px rgba(74, 74, 74, 0.12);
    --shadow-xl:  0 24px 64px rgba(74, 74, 74, 0.16);
    --shadow-rosa: 0 12px 32px rgba(229, 155, 155, 0.25);

    /* Transições */
    --t-fast:  150ms ease;
    --t-base:  250ms ease;
    --t-slow:  400ms ease;

    /* Z-index */
    --z-base:    1;
    --z-sticky:  100;
    --z-overlay: 200;
    --z-modal:   300;
    --z-toast:   400;
    --z-tooltip: 500;
}

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

html {
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-corpo);
    font-size: var(--fs-body);
    line-height: 1.65;
    color: var(--cor-texto);
    background: var(--cor-fundo);
    min-height: 100vh;
    overflow-x: hidden;
}

img, picture, svg, video {
    display: block;
    max-width: 100%;
    height: auto;
}

button, input, select, textarea {
    font: inherit;
    color: inherit;
}

button {
    background: none;
    border: none;
    cursor: pointer;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--t-base);
}

ul, ol { list-style: none; }

/* ====== TIPOGRAFIA ====== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-titulos);
    font-weight: 700;
    line-height: 1.2;
    color: var(--cinza-escuro);
    letter-spacing: -0.01em;
}

h1 { font-size: var(--fs-h1); font-weight: 700; }
h2 { font-size: var(--fs-h2); font-weight: 700; }
h3 { font-size: var(--fs-h3); font-weight: 600; }
h4 { font-size: var(--fs-h4); font-weight: 600; }

p {
    max-width: 65ch;
}

.script {
    font-family: var(--font-script);
    font-weight: 400;
}

strong, b { font-weight: 600; }

::selection {
    background: var(--rosa);
    color: var(--cinza-escuro);
}

/* ====== CONTAINER / LAYOUT ====== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

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

.section {
    padding-block: clamp(3rem, 8vw, 6rem);
}

.section-alt {
    background: var(--cor-fundo-alt);
}

.section-rosa {
    background: linear-gradient(180deg, var(--rosa-claro) 0%, var(--branco) 100%);
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin-inline: auto;
    margin-bottom: var(--space-2xl);
}

.section-header .eyebrow {
    display: inline-block;
    font-family: var(--font-titulos);
    font-size: var(--fs-small);
    font-weight: 600;
    color: var(--dourado-escuro);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
}

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

.section-header .lead {
    font-size: var(--fs-h4);
    color: var(--cor-texto-sec);
    max-width: 620px;
    margin-inline: auto;
    line-height: 1.5;
}

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

.text-center { text-align: center; }
.text-rosa   { color: var(--rosa-escuro); }
.text-dourado{ color: var(--dourado-escuro); }
.text-cinza  { color: var(--cor-texto-sec); }

.divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--rosa) 0%, var(--dourado) 100%);
    border-radius: var(--radius-full);
    margin: var(--space-sm) auto;
}

.flower-icon {
    display: inline-block;
    width: 1em; height: 1em;
    vertical-align: middle;
}

/* ====== GRID UTILS ====== */
.grid {
    display: grid;
    gap: var(--space-lg);
}
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

@media (min-width: 1024px) {
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ====== ACESSIBILIDADE ====== */
:focus-visible {
    outline: 3px solid var(--rosa-escuro);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}