/*
Theme Name: Isabella Lacerda Fisioterapia
Theme URI: https://isabellalacerdafisio.com.br
Author: Studio CW
Author URI: https://studiocw.com.br
Description: Tema personalizado para a clínica Isabella Lacerda Fisioterapia — minimalismo refinado, premium e clínico-sofisticado.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.1
License: Proprietary
Text Domain: isabella-fisio
Tags: landing-page, fisioterapia, custom-theme
*/

/* =========================================================
   DESIGN TOKENS — CSS CUSTOM PROPERTIES
   ========================================================= */
:root {
    /* Cores */
    --color-branco-vital: #FFFFFF;
    --color-cinza-areia: #A8A89A;
    --color-bege-claro: #E8E4DC;
    --color-preto-absoluto: #0A0A0A;
    --color-cinza-medio: #6B6B6B;
    --color-cinza-claro: #D4D0C8;
    --color-overlay: rgba(10, 10, 10, 0.45);
    --color-overlay-leve: rgba(10, 10, 10, 0.2);

    /* Tipografia */
    --font-serif: 'Cormorant Garamond', 'Playfair Display', Georgia, serif;
    --font-sans: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;

    /* Escala tipográfica fluida */
    --text-xs:   clamp(0.70rem, 0.65rem + 0.25vw, 0.80rem);
    --text-sm:   clamp(0.85rem, 0.80rem + 0.25vw, 0.95rem);
    --text-base: clamp(0.95rem, 0.90rem + 0.30vw, 1.10rem);
    --text-md:   clamp(1.10rem, 1.00rem + 0.50vw, 1.30rem);
    --text-lg:   clamp(1.25rem, 1.10rem + 0.75vw, 1.60rem);
    --text-xl:   clamp(1.50rem, 1.20rem + 1.50vw, 2.20rem);
    --text-2xl:  clamp(2.00rem, 1.50rem + 2.50vw, 3.50rem);
    --text-3xl:  clamp(2.50rem, 1.80rem + 3.50vw, 5.00rem);
    --text-hero: clamp(3.00rem, 2.00rem + 5.00vw, 7.50rem);

    /* Espaçamentos */
    --space-1:  0.25rem;
    --space-2:  0.50rem;
    --space-3:  0.75rem;
    --space-4:  1.00rem;
    --space-6:  1.50rem;
    --space-8:  2.00rem;
    --space-10: 2.50rem;
    --space-12: 3.00rem;
    --space-16: 4.00rem;
    --space-20: 5.00rem;
    --space-24: 6.00rem;
    --space-32: 8.00rem;

    /* Seções */
    --section-padding-y: clamp(4rem, 8vw, 8rem);

    /* Layout */
    --container-max: 1340px;
    --container-padding: clamp(1.25rem, 5vw, 4rem);

    /* Animações */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --duration-fast: 250ms;
    --duration-base: 450ms;
    --duration-slow: 700ms;
    --duration-xslow: 1200ms;

    /* Borders */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --border-thin: 1px solid var(--color-cinza-claro);
    --border-fine: 0.5px solid rgba(168, 168, 154, 0.4);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: 400;
    line-height: 1.75;
    color: var(--color-preto-absoluto);
    background-color: var(--color-branco-vital);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.lenis-smooth { overflow: hidden; }

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

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

ul, ol { list-style: none; }

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* =========================================================
   TIPOGRAFIA GLOBAL
   ========================================================= */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: 0.02em;
    color: var(--color-preto-absoluto);
}

h1 { font-size: var(--text-hero); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

p {
    font-size: var(--text-base);
    line-height: 1.80;
    color: var(--color-cinza-medio);
}

.eyebrow {
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.20em;
    text-transform: uppercase;
    color: var(--color-cinza-areia);
    display: block;
    margin-bottom: var(--space-4);
}

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

.container--narrow {
    max-width: 820px;
}

.section {
    padding-block: var(--section-padding-y);
}

.section--dark {
    background-color: var(--color-preto-absoluto);
    color: var(--color-branco-vital);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
    color: var(--color-branco-vital);
}

.section--dark p {
    color: var(--color-cinza-claro);
}

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

/* Grid base */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-12); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-8); }

/* Flex utilitários */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }

/* Text align */
.text-center { text-align: center; }
.text-left   { text-align: left; }

/* Visibilidade */
.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;
}

/* Divisor */
.divider {
    width: 60px;
    height: 1px;
    background-color: var(--color-cinza-areia);
    margin-block: var(--space-8);
}

.divider--center { margin-inline: auto; }

/* =========================================================
   BOTÕES
   ========================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-decoration: none;
    padding: var(--space-4) var(--space-10);
    min-height: 52px;
    border: 1px solid transparent;
    transition: all var(--duration-base) var(--ease-out-expo);
    cursor: pointer;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: currentColor;
    opacity: 0;
    transition: opacity var(--duration-fast) ease;
}

.btn:hover::after { opacity: 0.06; }

.btn--primary {
    background-color: var(--color-preto-absoluto);
    color: var(--color-branco-vital);
    border-color: var(--color-preto-absoluto);
}

.btn--primary:hover {
    background-color: var(--color-cinza-medio);
    border-color: var(--color-cinza-medio);
}

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

.btn--outline:hover {
    background-color: var(--color-preto-absoluto);
    color: var(--color-branco-vital);
}

.btn--outline-white {
    background-color: transparent;
    color: var(--color-branco-vital);
    border-color: var(--color-branco-vital);
}

.btn--outline-white:hover {
    background-color: var(--color-branco-vital);
    color: var(--color-preto-absoluto);
}

.btn--whatsapp {
    background-color: #25D366;
    color: var(--color-branco-vital);
    border-color: #25D366;
    gap: var(--space-3);
}

.btn--whatsapp:hover {
    background-color: #1ebe5d;
    border-color: #1ebe5d;
}

/* Grupo de botões */
.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    align-items: center;
}

/* =========================================================
   SECTION HEADING PATTERN
   ========================================================= */
.section-heading {
    margin-bottom: var(--space-16);
}

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

.section-heading h2 {
    margin-top: var(--space-2);
}

.section-heading .subtitle {
    font-size: var(--text-md);
    color: var(--color-cinza-medio);
    margin-top: var(--space-6);
    max-width: 620px;
}

.section-heading--center .subtitle {
    margin-inline: auto;
}

/* =========================================================
   CARDS
   ========================================================= */
.card {
    padding: var(--space-10) var(--space-8);
    border: var(--border-thin);
    transition: transform var(--duration-base) var(--ease-out-expo),
                box-shadow var(--duration-base) var(--ease-out-expo);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(10, 10, 10, 0.08);
}

.card__icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-8);
    color: var(--color-cinza-areia);
}

.card__title {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    margin-bottom: var(--space-4);
    color: var(--color-preto-absoluto);
}

.card__text {
    font-size: var(--text-sm);
    line-height: 1.80;
    color: var(--color-cinza-medio);
}

/* =========================================================
   FORMULÁRIOS
   ========================================================= */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-label {
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--color-cinza-medio);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--space-4) var(--space-6);
    background: transparent;
    border: var(--border-thin);
    border-color: rgba(168, 168, 154, 0.5);
    color: var(--color-preto-absoluto);
    font-size: var(--text-sm);
    transition: border-color var(--duration-fast) ease;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--color-cinza-areia);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: rgba(107, 107, 107, 0.5);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-error {
    font-size: var(--text-xs);
    color: #c0392b;
    margin-top: var(--space-1);
}

/* Honeypot */
.form-hp { display: none !important; visibility: hidden; }

/* =========================================================
   SKIP LINK (acessibilidade)
   ========================================================= */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--color-preto-absoluto);
    color: var(--color-branco-vital);
    padding: var(--space-3) var(--space-6);
    z-index: 9999;
    font-size: var(--text-sm);
    transition: top 0.2s;
}

.skip-link:focus { top: 0; }

/* =========================================================
   SCROLL TO TOP
   ========================================================= */
.scroll-top {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 48px;
    height: 48px;
    background-color: var(--color-preto-absoluto);
    color: var(--color-branco-vital);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duration-base) ease,
                transform var(--duration-base) var(--ease-out-expo);
    z-index: 400;
    transform: translateY(10px);
}

.scroll-top.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

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