/* ==========================================================================
   VH Plantas Adultas — Main CSS
   Aesthetic: Editorial Luxury Minimalism
   ========================================================================== */

/* ============================================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */
:root {
    /* Colors */
    --color-cream:       #F5F2EC;
    --color-cream-dark:  #EDE9E0;
    --color-black:       #1A1A14;
    --color-green:       #2D5016;
    --color-green-light: #3A6B1E;
    --color-gold:        #C8A96E;
    --color-gold-light:  #D4BA87;
    --color-white:       #FFFFFF;
    --color-text:        #1A1A14;
    --color-text-muted:  #6B6B5A;
    --color-text-light:  rgba(255,255,255,0.85);
    --color-border:      rgba(26,26,20,0.12);

    /* Typography */
    --font-serif:   'Cormorant Garamond', Georgia, serif;
    --font-sans:    'DM Sans', 'Inter', system-ui, sans-serif;
    --font-body:    'Inter', system-ui, sans-serif;
    --font-display: 'Syne', 'DM Sans', sans-serif;

    /* Font sizes (fluid) */
    --text-xs:   clamp(0.625rem, 1.2vw, 0.75rem);
    --text-sm:   clamp(0.8rem,   1.5vw, 0.9rem);
    --text-base: clamp(0.9rem,   1.8vw, 1rem);
    --text-lg:   clamp(1rem,     2vw,   1.15rem);
    --text-xl:   clamp(1.1rem,   2.5vw, 1.4rem);
    --text-2xl:  clamp(1.4rem,   3vw,   1.8rem);
    --text-3xl:  clamp(1.8rem,   4vw,   2.5rem);
    --text-4xl:  clamp(2.2rem,   5vw,   3.2rem);
    --text-5xl:  clamp(2.8rem,   6.5vw, 5rem);
    --text-hero: clamp(2.8rem,   7vw,   6rem);

    /* Spacing */
    --space-1:   0.25rem;
    --space-2:   0.5rem;
    --space-3:   0.75rem;
    --space-4:   1rem;
    --space-6:   1.5rem;
    --space-8:   2rem;
    --space-10:  2.5rem;
    --space-12:  3rem;
    --space-16:  4rem;
    --space-20:  5rem;
    --space-24:  6rem;
    --space-32:  8rem;

    /* Layout */
    --max-width:      1440px;
    --container-pad:  clamp(1.25rem, 5vw, 5rem);
    --navbar-h:       80px;

    /* Borders & Radius */
    --radius-sm:   4px;
    --radius-md:   8px;
    --radius-lg:   16px;
    --radius-xl:   24px;
    --radius-pill: 999px;

    /* Shadows (Softer & More Atmospheric) */
    --shadow-sm:   0 2px 4px rgba(26,26,20,0.04);
    --shadow-md:   0 8px 30px rgba(26,26,20,0.06);
    --shadow-lg:   0 30px 60px rgba(26,26,20,0.08), 0 10px 20px rgba(26,26,20,0.03);
    --shadow-card: 0 4px 40px rgba(26,26,20,0.05);

    /* Transitions */
    --ease-smooth:  cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-spring:  cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-in-out:  cubic-bezier(0.4, 0, 0.2, 1);
    --trans-fast:   150ms var(--ease-in-out);
    --trans-base:   250ms var(--ease-smooth);
    --trans-slow:   400ms var(--ease-smooth);

    /* Premium Effects */
    --noise-opacity: 0.045;
    --cursor-size: 20px;
}

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

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

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

/* NOISE TEXTURE OVERLAY */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9999;
    opacity: var(--noise-opacity);
}

/* LENIS SUPPORT */
html.lenis {
    height: auto;
}
.lenis-smooth {
    scroll-behavior: auto !important;
}
.lenis-smooth [data-lenis-prevent] {
    overscroll-behavior: contain;
}
.lenis-stopped {
    overflow: hidden;
}
.lenis-scrolling iframe {
    pointer-events: none;
}

/* TEXT REVEAL — Splitting.js */
.splitting .word {
    overflow: hidden;
    vertical-align: bottom;
}
.splitting .char {
    display: inline-block;
    will-change: transform, opacity;
    transform: translateY(110%);
    opacity: 0;
}

/* REVEAL MASKS (Images) */
.vh-reveal-mask {
    position: relative;
    overflow: hidden;
    display: block;
}
.vh-reveal-mask::after {
    content: "";
    position: absolute;
    inset: 0;
    background-color: var(--color-cream-dark);
    z-index: 2;
    transform: translateY(0);
    transition: transform 1.2s cubic-bezier(0.85, 0, 0.15, 1);
}
.vh-reveal-mask.is-revealed::after {
    transform: translateY(-100%);
}
.vh-reveal-mask img {
    transform: scale(1.15);
    transition: transform 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform;
}
.vh-reveal-mask.is-revealed img {
    transform: scale(1);
}

/* PARALLAX IMAGES */
[data-parallax-img] {
    will-change: transform;
}

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

ul, ol { list-style: none; }

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

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

/* PRELOADER */
.vh-preloader {
    position: fixed;
    inset: 0;
    background-color: var(--color-cream);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.8s cubic-bezier(0.85, 0, 0.15, 1);
}

.vh-preloader.is-loaded {
    transform: translateY(-100%);
}

.vh-preloader__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
}

.vh-preloader__logo {
    width: 120px;
    height: auto;
    animation: preloaderPulse 1.5s ease-in-out infinite alternate;
}

.vh-preloader__logo img {
    width: 100%;
    height: auto;
    display: block;
}

@keyframes preloaderPulse {
    from { opacity: 0.4; transform: scale(0.98); }
    to   { opacity: 1;   transform: scale(1);    }
}

.vh-preloader__bar {
    width: 140px;
    height: 1px;
    background-color: rgba(45, 80, 22, 0.1);
    position: relative;
    overflow: hidden;
}

.vh-preloader__progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background-color: var(--color-green);
    transition: width 0.4s ease;
}

@media (max-width: 1024px) {
    .vh-preloader { display: none; } /* Skip on mobile for speed */
}

.vh-main {
    padding-top: var(--navbar-h);
}

/* ============================================================
   Glassmorphism Utilities
   ============================================================ */
.glass {
    background: rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.glass--dark {
    background: rgba(26, 26, 20, 0.65);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ============================================================
   4. TYPOGRAPHY
   ============================================================ */
.vh-section-title {
    font-family: var(--font-serif);
    font-size: var(--text-4xl);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--color-black);
    text-wrap: balance;
}

.vh-section-subtitle {
    font-family: var(--font-sans);
    font-size: var(--text-lg);
    color: var(--color-text-muted);
    line-height: 1.6;
    max-width: 52ch;
}

.vh-label {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    animation: labelLetterSpacing 1.2s var(--ease-smooth) both;
}

@keyframes labelLetterSpacing {
    from { letter-spacing: 0.3em; opacity: 0; transform: translateY(4px); }
    to   { letter-spacing: 0.15em; opacity: 1; transform: translateY(0); }
}

.vh-label--light {
    color: var(--color-gold-light);
    opacity: 0.9;
}

.vh-label__dot {
    display: inline-block;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: var(--color-gold);
    flex-shrink: 0;
}

/* ============================================================
   5. BUTTONS — Sistema de Design Canônico
   3 modelos padrão + aliases de retrocompatibilidade
   ============================================================ */

/* ── Base ── */
.vh-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.9em 2.2em;
    border-radius: var(--radius-pill);
    border: 1.5px solid transparent;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition:
        color         var(--trans-base),
        background    var(--trans-base),
        border-color  var(--trans-base),
        box-shadow    var(--trans-base),
        transform     200ms var(--ease-spring);
}

/* Ícone SVG dentro do botão */
.vh-btn svg {
    width: 1em;
    height: 1em;
    flex-shrink: 0;
    transition: transform var(--trans-base);
}
.vh-btn:hover svg {
    transform: translateX(3px);
}

/* Shimmer layer (ativado nos modelos que suportam) */
.vh-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        105deg,
        transparent 40%,
        rgba(255,255,255,0.18) 50%,
        transparent 60%
    );
    background-size: 200% 100%;
    background-position: 200% 0;
    transition: background-position 500ms ease;
    pointer-events: none;
}
.vh-btn:hover::after {
    background-position: -200% 0;
}


/* ══════════════════════════════════════════════════════════
   MODELO 1 — Principal · Fundo Claro
   Verde profundo → brilho ao hover, sombra calorosa
   ══════════════════════════════════════════════════════════ */
.vh-btn--primary {
    background: var(--color-green);
    color: var(--color-cream);
    border-color: var(--color-green);
    box-shadow:
        0 2px 0 rgba(0,0,0,0.18),
        inset 0 1px 0 rgba(255,255,255,0.08);
}
.vh-btn--primary:hover {
    background: var(--color-green-light);
    border-color: var(--color-green-light);
    color: #fff;
    transform: translateY(-3px);
    box-shadow:
        0 10px 28px rgba(45,80,22,0.32),
        0 2px 6px  rgba(45,80,22,0.18),
        inset 0 1px 0 rgba(255,255,255,0.12);
}
.vh-btn--primary:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(45,80,22,0.22);
}


/* ══════════════════════════════════════════════════════════
   MODELO 2 — Secundário · Fundo Claro
   Outline refinado; preenchimento suave ao hover
   ══════════════════════════════════════════════════════════ */
.vh-btn--secondary {
    background: transparent;
    color: var(--color-green);
    border-color: var(--color-green);
}
/* Remove shimmer no secundário */
.vh-btn--secondary::after { display: none; }

.vh-btn--secondary:hover {
    background: var(--color-green);
    color: var(--color-cream);
    border-color: var(--color-green);
    transform: translateY(-3px);
    box-shadow:
        0 8px 22px rgba(45,80,22,0.20),
        0 2px 6px  rgba(45,80,22,0.12);
}
.vh-btn--secondary:active {
    transform: translateY(-1px);
    box-shadow: none;
}


/* ══════════════════════════════════════════════════════════
   MODELO 3 — Principal · Fundo Escuro
   Dourado luminoso sobre fundo escuro/verde
   ══════════════════════════════════════════════════════════ */
.vh-btn--primary-dark {
    background: var(--color-gold);
    color: var(--color-black);
    border-color: var(--color-gold);
    box-shadow:
        0 2px 0 rgba(0,0,0,0.25),
        inset 0 1px 0 rgba(255,255,255,0.20);
}
/* Shimmer dourado */
.vh-btn--primary-dark::after {
    background: linear-gradient(
        105deg,
        transparent 40%,
        rgba(255,255,255,0.28) 50%,
        transparent 60%
    );
    background-size: 200% 100%;
    background-position: 200% 0;
}
.vh-btn--primary-dark:hover {
    background: var(--color-gold-light);
    border-color: var(--color-gold-light);
    color: var(--color-black);
    transform: translateY(-3px);
    box-shadow:
        0 12px 32px rgba(200,169,110,0.45),
        0 3px 8px  rgba(200,169,110,0.25),
        inset 0 1px 0 rgba(255,255,255,0.22);
}
.vh-btn--primary-dark:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(200,169,110,0.30);
}


/* ══════════════════════════════════════════════════════════
   ALIASES — Retrocompatibilidade (não remover)
   Mapeia classes antigas para os novos modelos canônicos
   ══════════════════════════════════════════════════════════ */

/* Botão verde → Modelo 1 */
.vh-btn--green { background: var(--color-green); color: var(--color-cream); border-color: var(--color-green); box-shadow: 0 2px 0 rgba(0,0,0,0.18), inset 0 1px 0 rgba(255,255,255,0.08); }
.vh-btn--green:hover    { background: var(--color-green-light); border-color: var(--color-green-light); color:#fff; transform:translateY(-3px); box-shadow: 0 10px 28px rgba(45,80,22,0.32), 0 2px 6px rgba(45,80,22,0.18); }
.vh-btn--green:active   { transform: translateY(-1px); }

/* Ghost (outline preto) → Modelo 2 adaptado */
.vh-btn--ghost { background: transparent; color: var(--color-black); border-color: var(--color-black); }
.vh-btn--ghost::after { display: none; }
.vh-btn--ghost:hover   { background: var(--color-black); color: var(--color-cream); transform: translateY(-3px); box-shadow: 0 8px 22px rgba(26,26,20,0.18); }

/* Outline dark → idem ghost */
.vh-btn--outline-dark { background: transparent; color: var(--color-black); border-color: rgba(26,26,20,0.35); }
.vh-btn--outline-dark::after { display: none; }
.vh-btn--outline-dark:hover { background: var(--color-black); color: var(--color-cream); border-color: var(--color-black); transform: translateY(-3px); box-shadow: 0 8px 22px rgba(26,26,20,0.18); }

/* Ghost light → Modelo 3 adaptado (outline creme sobre escuro) */
.vh-btn--ghost-light { background: transparent; color: var(--color-white); border-color: rgba(255,255,255,0.50); }
.vh-btn--ghost-light::after { display: none; }
.vh-btn--ghost-light:hover { background: rgba(255,255,255,0.10); border-color: var(--color-white); transform: translateY(-3px); box-shadow: 0 8px 24px rgba(255,255,255,0.08); }

/* WhatsApp */
.vh-btn--wa { background: #25D366; color:#fff; border-color:#25D366; }
.vh-btn--wa:hover { background:#1fb855; transform:translateY(-3px); box-shadow: 0 10px 28px rgba(37,211,102,0.35); }

/* White small (usado em cards escuros) → Modelo 3 adaptado */
.vh-btn--white-sm { background: var(--color-white); color: var(--color-black); border-color: var(--color-white); font-size: var(--text-xs); padding: 0.65em 1.5em; box-shadow: 0 2px 0 rgba(0,0,0,0.12), inset 0 1px 0 rgba(255,255,255,0.80); }
.vh-btn--white-sm:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(26,26,20,0.15); }

/* ============================================================
   6. NAVBAR
   ============================================================ */
.vh-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-cream);
    height: var(--navbar-h);
    transition: box-shadow var(--trans-base), backdrop-filter var(--trans-base);
    will-change: box-shadow;
}

.vh-navbar.is-scrolled {
    box-shadow: 0 1px 0 var(--color-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background-color: rgba(245,242,236,0.92);
}

.vh-navbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: var(--space-8);
}

.vh-navbar__logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.vh-navbar__logo img,
.vh-navbar__logo .custom-logo {
    height: 44px;
    width: auto;
    transition: height var(--trans-base);
}

@media (max-width: 768px) {
    .vh-navbar__logo img,
    .vh-navbar__logo .custom-logo {
        height: 60px; /* Mais destaque no mobile */
    }
}

.vh-navbar__logo-text {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-green);
    letter-spacing: -0.02em;
    white-space: nowrap;
}

.vh-navbar__nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.vh-navbar__menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    list-style: none;
}

.vh-navbar__menu a {
    font-family: var(--font-sans);
    font-size: 0.73rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    transition: color var(--trans-fast);
    position: relative;
}

.vh-navbar__menu a::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    right: 0;
    height: 1.5px;
    background-color: var(--color-green);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--trans-base);
}

.vh-navbar__menu a:hover {
    color: var(--color-black);
}
.vh-navbar__menu a:hover::after {
    transform: scaleX(1);
}

/* Estado ativo (página atual ou seção em foco via JS) */
.vh-navbar__menu .current-menu-item a,
.vh-navbar__menu a.is-active {
    color: var(--color-black);
}
.vh-navbar__menu .current-menu-item a::after,
.vh-navbar__menu a.is-active::after {
    transform: scaleX(1);
    background-color: var(--color-green);
}

.vh-navbar__cta {
    flex-shrink: 0;
    font-size: 0.78rem;
    padding: 0.65em 1.6em;
}

/* Hamburger */
.vh-navbar__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
    border: none;
    background: none;
    cursor: pointer;
    flex-shrink: 0;
}
.vh-navbar__hamburger span {
    display: block;
    width: 24px;
    height: 1.5px;
    background-color: var(--color-black);
    transition: transform var(--trans-base), opacity var(--trans-base);
    transform-origin: center;
}
.vh-navbar__hamburger.is-open span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
.vh-navbar__hamburger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.vh-navbar__hamburger.is-open span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }

/* Mobile Menu */
.vh-mobile-menu {
    position: absolute;
    top: var(--navbar-h);
    left: 0;
    right: 0;
    background-color: var(--color-cream);
    border-top: 1px solid var(--color-border);
    padding: var(--space-6) var(--container-pad) var(--space-8);
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: all var(--trans-base);
    box-shadow: var(--shadow-lg);
}
.vh-mobile-menu.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}
.vh-mobile-menu ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}
.vh-mobile-menu ul a {
    font-family: var(--font-sans);
    font-size: var(--text-lg);
    font-weight: 500;
    color: var(--color-black);
}

.vh-mobile-menu .vh-btn {
    color: var(--color-white) !important;
}

/* ============================================================
   WHATSAPP FAB — Botão flutuante de conversão
   ============================================================ */
.vh-wa-fab {
    position: fixed;
    bottom: calc(var(--space-8) + 58px); /* acima do scroll-to-top */
    right: var(--space-8);
    z-index: 499;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: #25D366;
    color: var(--color-white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 4px 20px rgba(37,211,102,0.45),
        0 2px 8px  rgba(0,0,0,0.22);
    opacity: 0;
    transform: translateY(20px) scale(0.85);
    pointer-events: none;
    transition:
        opacity       300ms var(--ease-smooth),
        transform     300ms var(--ease-spring),
        background    var(--trans-base),
        box-shadow    var(--trans-base);
    text-decoration: none;
}

.vh-wa-fab.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.vh-wa-fab:hover {
    background: #1fb855;
    box-shadow:
        0 8px 32px rgba(37,211,102,0.55),
        0 2px 10px rgba(0,0,0,0.20);
    transform: translateY(-3px) scale(1);
}

.vh-wa-fab:active {
    transform: translateY(-1px) scale(0.97);
}

/* Pulse ring — chama atenção sutilmente */
.vh-wa-fab::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid rgba(37,211,102,0.40);
    animation: waFabPulse 2.8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes waFabPulse {
    0%, 100% { opacity: 0.7; transform: scale(1);    }
    50%       { opacity: 0;   transform: scale(1.35); }
}

/* Tooltip label */
.vh-wa-fab__label {
    position: absolute;
    right: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%) translateX(6px);
    background: rgba(23,35,26,0.92);
    color: var(--color-cream);
    font-family: var(--font-sans);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    white-space: nowrap;
    padding: 0.4em 0.85em;
    border-radius: var(--radius-pill);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--trans-base), transform var(--trans-base);
}

.vh-wa-fab:hover .vh-wa-fab__label {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

@media (max-width: 640px) {
    .vh-wa-fab {
        width: 46px;
        height: 46px;
        bottom: calc(var(--space-5) + 54px);
        right: var(--space-5);
    }
    .vh-wa-fab__label { display: none; }
}