/* =========================================================
   CLAVITHÊ — Soluções em Tecnologia
   Página inicial (Home)
========================================================= */

/* ---------- 1. Variáveis ---------- */

:root {
    --navy-900: #061a3d;
    --navy-800: #0b2a5b;
    --navy-700: #123a78;
    --blue-500: #1f6fd1;
    --green-500: #1e9e4a;

    --gold-300: #f3d98b;
    --gold-400: #e2bb5a;
    --gold-500: #c9993a;
    --gold-600: #a97b25;

    --ink: #0e2350;
    --text: #3c4660;
    --muted: #535e75;
    --gold-text: #856018;

    --cream: #f7f4ee;
    --white: #ffffff;
    --line: rgba(201, 153, 58, 0.45);

    --radius: 10px;
    --shadow-sm: 0 4px 14px rgba(14, 35, 80, 0.08);
    --shadow-md: 0 14px 34px rgba(14, 35, 80, 0.14);

    --header-h: 96px;
    --container: 1180px;

    --font: 'Montserrat', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
}

/* ---------- 2. Reset / base ---------- */

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

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-padding-top: var(--header-h);
}

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--cream);
    line-height: 1.55;
    font-weight: 400;
    font-kerning: normal;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body.menu-open {
    overflow: hidden;
}

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

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

a,
button {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 max(24px, env(safe-area-inset-right)) 0 max(24px, env(safe-area-inset-left));
}

/* Foco visível apenas para quem navega por teclado */
:focus {
    outline: none;
}

body.keyboard-user :focus-visible {
    outline: 3px solid var(--gold-400);
    outline-offset: 3px;
    border-radius: 4px;
}

/* ---------- 3. Botões dourados ---------- */

.gold-button {
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--navy-900);
    background: linear-gradient(180deg, var(--gold-300) 0%, var(--gold-400) 45%, var(--gold-500) 100%);
    border: 1px solid var(--gold-600);
    border-radius: 999px;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.65),
        0 6px 16px rgba(169, 123, 37, 0.35);
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
    white-space: nowrap;
}

@media (hover: hover) {
    .gold-button:hover {
        transform: translateY(-2px);
        filter: brightness(1.05);
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, 0.7),
            0 10px 22px rgba(169, 123, 37, 0.45);
    }
}

.gold-button:active {
    transform: translateY(0);
}

.button-ripple {
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.7);
    transform: translate(-50%, -50%) scale(0);
    animation: ripple 0.55s ease-out forwards;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: translate(-50%, -50%) scale(28);
        opacity: 0;
    }
}

/* ---------- 4. Header ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(250, 248, 243, 0.94);
    backdrop-filter: saturate(1.2) blur(8px);
    -webkit-backdrop-filter: saturate(1.2) blur(8px);
    border-bottom: 2px solid var(--gold-400);
    transition: box-shadow 0.25s ease;
}

.site-header.scrolled {
    box-shadow: 0 6px 20px rgba(14, 35, 80, 0.12);
}

.header-container {
    height: var(--header-h);
    display: flex;
    align-items: center;
    gap: 28px;
}

.brand {
    flex-shrink: 0;
}

.brand img {
    width: auto;
    height: 64px;
}

.main-nav {
    margin-left: auto;
}

.main-nav ul {
    display: flex;
    align-items: center;
}

.main-nav li + li {
    border-left: 1px solid var(--gold-500);
}

.main-nav a {
    display: block;
    padding: 4px 14px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: 0.02em;
    position: relative;
    transition: color 0.2s ease;
}

.main-nav a::after {
    content: '';
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: -4px;
    height: 2px;
    background: var(--gold-500);
    transform: scaleX(0);
    transition: transform 0.25s ease;
}

.main-nav a.active {
    color: var(--gold-text);
}

.main-nav a.active::after {
    transform: scaleX(1);
}

.btn-header {
    padding: 11px 22px;
    font-size: 0.78rem;
}

@media (hover: hover) {
    .main-nav a:hover {
        color: var(--gold-text);
    }

    .main-nav a:hover::after {
        transform: scaleX(1);
    }
}

/* Botão hambúrguer (somente mobile) */
.menu-toggle {
    display: none;
    margin-left: auto;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.menu-toggle span {
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.2s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ---------- 5. Hero ---------- */

.hero {
    position: relative;
    overflow: hidden;
    min-height: 520px;
    display: flex;
    align-items: center;
    background:
        radial-gradient(ellipse at 50% 35%, #173f86 0%, var(--navy-800) 45%, var(--navy-900) 100%);
    border-bottom: 3px solid var(--gold-400);
    isolation: isolate;
}

.hero-left-art,
.hero-right-art {
    position: absolute;
    top: -2%;
    height: 104%;
    width: auto;
    max-width: none;
    object-fit: cover;
    z-index: -2;
}

.hero-left-art {
    left: 0;
    -webkit-mask-image: linear-gradient(90deg, #000 55%, transparent 100%);
    mask-image: linear-gradient(90deg, #000 55%, transparent 100%);
}

.hero-right-art {
    right: 0;
    -webkit-mask-image: linear-gradient(270deg, #000 55%, transparent 100%);
    mask-image: linear-gradient(270deg, #000 55%, transparent 100%);
}

/* Funde as artes laterais com o centro azul */
.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        linear-gradient(90deg,
            rgba(6, 26, 61, 0) 0%,
            rgba(6, 26, 61, 0) 14%,
            rgba(11, 42, 91, 0.55) 26%,
            rgba(11, 42, 91, 0.55) 74%,
            rgba(6, 26, 61, 0) 86%,
            rgba(6, 26, 61, 0) 100%);
}

.hero-content {
    text-align: center;
    padding-top: 64px;
    padding-bottom: 84px;
    max-width: 760px;
}

.hero h1 {
    font-size: clamp(1.8rem, 4.2vw, 3.1rem);
    font-weight: 800;
    line-height: 1.12;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: -0.015em;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

.hero h1 span {
    color: var(--gold-400);
}

.subtitulo {
    margin-top: 18px;
    font-size: clamp(0.95rem, 1.6vw, 1.1rem);
    color: #e6ecf7;
    font-weight: 500;
}

.hero-message {
    margin: 26px auto 0;
    max-width: 480px;
    padding: 14px 26px;
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    color: var(--white);
    line-height: 1.4;
    border: 1.5px solid var(--gold-400);
    border-radius: 10px;
    background: rgba(6, 26, 61, 0.55);
    box-shadow: 0 0 22px rgba(226, 187, 90, 0.18);
}

.hero-message strong {
    color: var(--gold-400);
    font-weight: 700;
}

.btn-hero {
    margin-top: 28px;
    padding: 14px 30px;
    font-size: 0.82rem;
}

/* ---------- 6. Divisor com logo ---------- */

.divisor-logo {
    position: relative;
    z-index: 5;
    display: flex;
    justify-content: center;
    margin-top: -46px;
    margin-bottom: -18px;
    pointer-events: none;
}

.divisor-logo img {
    width: 84px;
    height: auto;
    filter: drop-shadow(0 6px 10px rgba(6, 26, 61, 0.3));
}

/* ---------- 7. Seções (base) ---------- */

.pilares,
.servicos {
    position: relative;
    isolation: isolate;
}

/* Fundo de rede luminosa suave */
.pilares::before,
.servicos::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background: url('../assets/network-bg-hd.png') center / 480px auto repeat;
    opacity: 0.35;
    pointer-events: none;
}

.pilares {
    padding: 36px 0 56px;
}

.servicos {
    padding: 24px 0 72px;
}

.section-title {
    text-align: center;
    font-size: clamp(1.6rem, 3vw, 2.1rem);
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 36px;
}

/* ---------- 8. Pilares ---------- */

.cards-pilares {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.pillar-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 26px 20px 28px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(14, 35, 80, 0.06);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

@media (hover: hover) {
    .pillar-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-md);
    }
}

.pillar-card img {
    height: 76px;
    width: auto;
    margin: 0 auto 12px;
}

.pillar-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 8px;
}

.pillar-card p {
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.65;
}

/* ---------- 9. Serviços ---------- */

.cards-servicos {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.service-card {
    background: linear-gradient(180deg, #ffffff 0%, #fbf8f1 100%);
    border: 1.5px solid var(--line);
    border-radius: var(--radius);
    padding: 28px 18px 26px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 18px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

@media (hover: hover) {
    .service-card:hover {
        transform: translateY(-4px);
        border-color: var(--gold-500);
        box-shadow: var(--shadow-md);
    }
}

.service-card img {
    height: 104px;
    width: auto;
    object-fit: contain;
}

.service-card h3 {
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.3;
}

/* ---------- 10. Rodapé ---------- */

.footer {
    background: var(--cream);
    border-top: 1px solid var(--line);
    padding-top: 36px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 120px 1.2fr 1.2fr 1fr;
    gap: 32px;
    align-items: start;
    padding-bottom: 28px;
}

.footer-logo img {
    width: 100px;
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 12px;
}

.footer-col p {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--ink);
    margin-bottom: 8px;
}

.footer-col i {
    width: 18px;
    text-align: center;
    color: var(--gold-500);
}

.social {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.social a {
    display: inline-flex;
    transition: transform 0.2s ease, filter 0.2s ease;
}

@media (hover: hover) {
    .social a:hover {
        transform: translateY(-3px);
        filter: brightness(1.08);
    }
}

.social img {
    height: 36px;
    width: auto;
}

.copyright {
    border-top: 1px solid var(--line);
    text-align: center;
    font-size: 0.8rem;
    color: var(--ink);
    padding: 16px 24px 20px;
    max-width: var(--container);
    margin: 0 auto;
}

/* ---------- 11. Animação de entrada ---------- */

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition:
        opacity 0.6s ease var(--reveal-delay, 0ms),
        transform 0.6s ease var(--reveal-delay, 0ms),
        box-shadow 0.25s ease,
        border-color 0.25s ease;
}

.reveal.visible {
    opacity: 1;
    transform: none;
}

@media (hover: hover) {
    .pillar-card.reveal.visible:hover,
    .service-card.reveal.visible:hover {
        transform: translateY(-4px);
        transition-delay: 0ms;
    }
}

/* Toque: feedback ao pressionar (celular/tablet) */
@media (hover: none) {
    .gold-button:active {
        filter: brightness(0.95);
        transform: scale(0.98);
    }
}

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

/* =========================================================
   12. RESPONSIVO
   Faixas testadas:
   - Notebook ........ 1280–1440px (inclui telas baixas 720–800px)
   - Notebook pequeno  até 1100px
   - Tablet .......... até 960px
   - Celular ......... até 760px (mesmo breakpoint do script.js)
   - Celular pequeno . até 520px (360–430px)
   - Celular deitado . altura até 500px
========================================================= */

/* ---- Notebook com tela baixa (1366x768, 1280x720, 1440x900) ---- */
@media (min-width: 761px) and (max-height: 820px) {
    :root {
        --header-h: 84px;
    }

    .brand img {
        height: 56px;
    }

    .hero {
        min-height: 460px;
    }

    .hero-content {
        padding-top: 44px;
        padding-bottom: 70px;
    }

    .hero h1 {
        font-size: clamp(1.8rem, 3.6vw, 2.7rem);
    }

    .hero-message {
        margin-top: 20px;
    }

    .btn-hero {
        margin-top: 22px;
    }
}

/* ---- Notebook pequeno ---- */
@media (max-width: 1100px) {
    .main-nav a {
        padding: 4px 10px;
        font-size: 0.74rem;
    }

    .btn-header {
        padding: 10px 16px;
        font-size: 0.72rem;
    }

    .brand img {
        height: 54px;
    }
}

/* ---- Tablet / celular deitado com menu completo (761–960px) ---- */
@media (min-width: 761px) and (max-width: 960px) {
    .header-container {
        gap: 14px;
    }

    .brand img {
        height: 44px;
    }

    .main-nav a {
        padding: 4px 8px;
        font-size: 0.68rem;
        white-space: nowrap;
    }

    .main-nav a::after {
        left: 8px;
        right: 8px;
    }

    .btn-header {
        padding: 9px 12px;
        font-size: 0.66rem;
    }
}

/* ---- Tablet ---- */
@media (max-width: 960px) {
    .cards-pilares,
    .cards-servicos {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-logo {
        grid-column: 1 / -1;
    }

    .hero-overlay {
        background:
            linear-gradient(90deg,
                rgba(6, 26, 61, 0.35) 0%,
                rgba(11, 42, 91, 0.9) 28%,
                rgba(11, 42, 91, 0.9) 72%,
                rgba(6, 26, 61, 0.35) 100%);
    }
}

/* ---- Celular (menu mobile — mesmo breakpoint do script.js) ---- */
@media (max-width: 760px) {
    :root {
        --header-h: 72px;
    }

    .brand img {
        height: 46px;
    }

    .menu-toggle {
        display: inline-flex;
    }

    .btn-header {
        display: none;
    }

    .main-nav {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        margin: 0;
        background: var(--cream);
        border-bottom: 2px solid var(--gold-400);
        box-shadow: 0 16px 30px rgba(14, 35, 80, 0.15);
        transform: translateY(-8px);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
        max-height: calc(100vh - var(--header-h));
        max-height: calc(100dvh - var(--header-h));
        overflow-y: auto;
        overscroll-behavior: contain;
    }

    .main-nav.open {
        transform: none;
        opacity: 1;
        visibility: visible;
    }

    .main-nav ul {
        flex-direction: column;
        align-items: stretch;
        padding: 8px 16px 16px;
    }

    .main-nav li + li {
        border-left: 0;
        border-top: 1px solid var(--line);
    }

    .main-nav a {
        padding: 14px 8px;
        font-size: 0.9rem;
        line-height: 20px; /* altura fixa: 48px por item */
    }

    .main-nav a::after {
        display: none;
    }

    /* O botão de orçamento aparece dentro do menu aberto */
    .main-nav.open ~ .btn-header {
        display: inline-flex;
        position: fixed;
        z-index: 101;
        left: 16px;
        right: 16px;
        top: calc(var(--header-h) + 264px); /* 8px + 5 itens x 48px + 4 bordas + 12px */
        padding: 14px 20px;
        font-size: 0.85rem;
    }

    .main-nav.open ul {
        padding-bottom: 84px;
    }

    .container {
        padding: 0 max(16px, env(safe-area-inset-right)) 0 max(16px, env(safe-area-inset-left));
    }

    .hero {
        min-height: 0;
    }

    .hero-left-art,
    .hero-right-art {
        opacity: 0.45;
    }

    .hero-overlay {
        background: rgba(11, 42, 91, 0.72);
    }

    .hero-content {
        padding-top: 48px;
        padding-bottom: 72px;
    }

    .hero-message {
        padding: 12px 16px;
    }

    .btn-hero {
        white-space: normal;
        text-align: center;
        padding: 14px 22px;
    }
}

/* ---- Celular pequeno ---- */
@media (max-width: 520px) {
    .cards-pilares,
    .cards-servicos {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-logo img {
        margin: 0 auto;
    }

    .footer-col p,
    .social {
        justify-content: center;
    }
}

/* ---- Celular deitado (paisagem) ---- */
@media (max-height: 500px) and (orientation: landscape) and (max-width: 960px) {
    :root {
        --header-h: 60px;
    }

    .brand img {
        height: 40px;
    }

    .hero-content {
        padding-top: 28px;
        padding-bottom: 60px;
    }

    .hero h1 {
        font-size: 1.6rem;
    }
}

@media (max-height: 500px) and (orientation: landscape) and (max-width: 760px) {
    .main-nav a {
        padding: 10px 8px;
    }

    /* 8px + 5 itens x 40px + 4 bordas + 8px */
    .main-nav.open ~ .btn-header {
        top: calc(var(--header-h) + 220px);
        padding: 10px 20px;
    }

    .main-nav.open ul {
        padding-bottom: 64px;
    }
}

/* Rodapé respeita a área segura do iPhone (barra inferior) */
.copyright {
    padding-bottom: max(20px, env(safe-area-inset-bottom));
}