/* ==========================================================
   Intech Sistemas — identidade INTECHIA
   Paleta extraída da logo: azul-marinho + gradiente ciano/azul
   ========================================================== */
:root {
    --navy-950: #050d1f;
    --navy-900: #0a1630;
    --navy-800: #0f2045;
    --navy-700: #16305f;

    --azul-claro: #29b6f6;
    --azul: #1e88e5;
    --azul-escuro: #0b4fb3;

    --texto: #ffffff;
    --texto-suave: #b7c7dc;
    --texto-apagado: #7d93b2;

    --borda: rgba(41, 182, 246, 0.18);
    --borda-forte: rgba(41, 182, 246, 0.4);
    --vidro: rgba(255, 255, 255, 0.035);
    --vidro-hover: rgba(255, 255, 255, 0.07);

    --gradiente: linear-gradient(135deg, var(--azul-claro) 0%, var(--azul-escuro) 100%);
    --brilho: 0 18px 50px rgba(30, 136, 229, 0.28);

    --raio: 20px;
    --largura: 1280px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--navy-900);
    background-image:
        radial-gradient(circle at 85% 0%, rgba(30, 136, 229, 0.18) 0%, transparent 45%),
        linear-gradient(180deg, var(--navy-950) 0%, var(--navy-900) 40%, var(--navy-800) 100%);
    background-attachment: fixed;
    color: var(--texto);
    overflow-x: hidden;
}

img {
    max-width: 100%;
}

.container {
    max-width: var(--largura);
    margin: 0 auto;
}

/* ---------- Marca ---------- */
.marca {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--texto);
    text-decoration: none;
}

.marca-emblema {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(30, 136, 229, 0.35);
    transition: transform 0.4s ease;
}

.marca:hover .marca-emblema {
    transform: scale(1.06) rotate(-4deg);
}

.marca-texto {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.marca-nome {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 1.5px;
}

.marca-nome span,
.destaque-ia {
    background: var(--gradiente);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ---------- Cabeçalho ---------- */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 16px 5%;
    background: rgba(5, 13, 31, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid var(--borda);
    transition: padding 0.3s ease, background 0.3s ease;
}

.header.rolado {
    padding: 10px 5%;
    background: rgba(5, 13, 31, 0.97);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--largura);
    margin: 0 auto;
}

.nav-links {
    display: flex;
    gap: 36px;
    list-style: none;
}

.nav-links a {
    color: var(--texto-suave);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links > li > a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradiente);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--texto);
}

.nav-links > li > a:hover::after {
    width: 100%;
}

/* Submenu desktop */
.submenu {
    position: relative;
}

.submenu > a::after {
    display: none;
}

.submenu > a .seta {
    font-size: 10px;
    margin-left: 5px;
}

.submenu ul {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 210px;
    background: rgba(5, 13, 31, 0.98);
    padding: 12px 0;
    list-style: none;
    margin-top: 12px;
    border: 1px solid var(--borda-forte);
    border-radius: 12px;
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.4);
    animation: descer 0.25s ease;
}

/* ponte invisível para o mouse não perder o hover */
.submenu ul::before {
    content: '';
    position: absolute;
    top: -14px;
    left: 0;
    right: 0;
    height: 14px;
}

.submenu:hover ul,
.submenu:focus-within ul {
    display: block;
}

.submenu ul li a {
    display: block;
    padding: 12px 20px;
    font-size: 14px;
    transition: background 0.25s ease, padding 0.25s ease, color 0.25s ease;
}

.submenu ul li a:hover {
    background: rgba(30, 136, 229, 0.18);
    padding-left: 26px;
}

@keyframes descer {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Menu hambúrguer */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1001;
    padding: 5px;
    background: none;
    border: 0;
}

.menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--texto);
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 3px;
}

.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(8px, 8px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(7px, -7px); }

/* Menu mobile */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(5, 13, 31, 0.98);
    z-index: 999;
    padding: 100px 30px 30px;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 1px solid var(--borda);
    overflow-y: auto;
}

.mobile-menu.active { right: 0; }

.mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.mobile-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.mobile-menu ul { list-style: none; }

.mobile-menu ul li { border-bottom: 1px solid rgba(41, 182, 246, 0.1); }

.mobile-menu ul li a {
    display: block;
    color: var(--texto-suave);
    text-decoration: none;
    padding: 18px 0;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
}

.mobile-menu ul li a:hover {
    color: var(--texto);
    padding-left: 10px;
}

.mobile-submenu > a {
    display: flex !important;
    justify-content: space-between;
    align-items: center;
}

.mobile-submenu > a::after {
    content: '▼';
    font-size: 12px;
    transition: transform 0.3s ease;
}

.mobile-submenu.active > a::after { transform: rotate(180deg); }

.mobile-submenu-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: rgba(30, 136, 229, 0.06);
    border-radius: 8px;
}

.mobile-submenu.active .mobile-submenu-content {
    max-height: 200px;
    margin-bottom: 12px;
}

.mobile-submenu-content a {
    padding: 12px 20px !important;
    font-size: 14px !important;
    color: var(--texto-apagado) !important;
}

.mobile-submenu-content a:hover {
    background: rgba(30, 136, 229, 0.12);
    color: var(--texto) !important;
}

/* ---------- Botões ---------- */
.btn {
    padding: 16px 36px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    border: 0;
    cursor: pointer;
    font-family: inherit;
    text-align: center;
}

.btn-primary {
    background: var(--gradiente);
    color: #fff;
    box-shadow: 0 10px 30px rgba(30, 136, 229, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(30, 136, 229, 0.45);
}

.btn-primary:disabled {
    opacity: 0.7;
    cursor: wait;
    transform: none;
}

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

.btn-secondary:hover {
    background: rgba(41, 182, 246, 0.1);
    transform: translateY(-3px);
}

/* ---------- Seções ---------- */
section {
    padding: 100px 5%;
    scroll-margin-top: 70px;
}

.secao-alt {
    background: rgba(15, 32, 69, 0.45);
}

.section-title {
    text-align: center;
    font-size: 42px;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #ffffff 0%, var(--azul-claro) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-sub {
    text-align: center;
    color: var(--texto-suave);
    font-size: 18px;
    margin-bottom: 56px;
}

/* ---------- Hero ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 120px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 640px;
    height: 640px;
    background: radial-gradient(circle, rgba(30, 136, 229, 0.18) 0%, transparent 70%);
    top: 5%;
    right: -220px;
    border-radius: 50%;
    animation: flutuar 7s ease-in-out infinite;
}

.hero-content {
    max-width: var(--largura);
    width: 100%;
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 70px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-selo {
    display: inline-block;
    padding: 8px 18px;
    border: 1px solid var(--borda-forte);
    border-radius: 50px;
    font-size: 13px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--texto-suave);
    margin-bottom: 24px;
    background: rgba(30, 136, 229, 0.08);
}

.hero-selo b {
    color: var(--azul-claro);
    font-weight: 600;
}

.hero-text h1 {
    font-size: 54px;
    margin-bottom: 20px;
    line-height: 1.15;
    background: linear-gradient(135deg, #ffffff 0%, var(--texto-suave) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text p {
    font-size: 20px;
    color: var(--texto-suave);
    margin-bottom: 40px;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-visual::before {
    content: '';
    position: absolute;
    width: 115%;
    aspect-ratio: 1;
    background: radial-gradient(circle, rgba(41, 182, 246, 0.22) 0%, transparent 65%);
    border-radius: 50%;
    animation: pulsar 4s ease-in-out infinite;
}

.hero-logo {
    position: relative;
    width: 100%;
    max-width: 380px;
    height: auto;
    filter: drop-shadow(0 24px 50px rgba(30, 136, 229, 0.45));
    animation: logoFlutuar 6s ease-in-out infinite;
}

@keyframes flutuar {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(5deg); }
}

@keyframes logoFlutuar {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(4deg); }
}

@keyframes pulsar {
    0%, 100% { transform: scale(1); opacity: 0.55; }
    50% { transform: scale(1.08); opacity: 0.9; }
}

/* ---------- Cards (serviços) ---------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: 28px;
}

.card {
    background: var(--vidro);
    border: 1px solid var(--borda);
    border-radius: var(--raio);
    padding: 38px;
    transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-8px);
    background: var(--vidro-hover);
    border-color: var(--borda-forte);
    box-shadow: var(--brilho);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--gradiente);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 20px;
    box-shadow: 0 8px 22px rgba(30, 136, 229, 0.3);
}

.card h3 {
    font-size: 23px;
    margin-bottom: 14px;
}

.card p {
    color: var(--texto-suave);
    line-height: 1.6;
}

/* ---------- Números ---------- */
.stats {
    text-align: center;
}

.stats-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.stat-item {
    padding: 30px 10px;
}

.stat-number {
    font-size: 52px;
    font-weight: 700;
    background: var(--gradiente);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

.stat-label {
    color: var(--texto-suave);
    font-size: 18px;
}

/* ---------- Portfólio ---------- */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.portfolio-item {
    border-radius: var(--raio);
    overflow: hidden;
    border: 1px solid var(--borda);
    background: var(--navy-950);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-8px);
    border-color: var(--borda-forte);
    box-shadow: var(--brilho);
}

.portfolio-image {
    position: relative;
    aspect-ratio: 960 / 526;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transition: transform 0.5s ease;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.04);
}

.portfolio-info {
    padding: 18px 20px;
    border-top: 1px solid var(--borda);
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.portfolio-tag {
    padding: 5px 15px;
    background: rgba(30, 136, 229, 0.18);
    border-radius: 20px;
    font-size: 12px;
    color: var(--azul-claro);
}

/* ---------- Sobre ---------- */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text .section-title {
    text-align: left;
    margin-bottom: 24px;
}

.about-description {
    color: var(--texto-suave);
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 40px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.about-feature {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.feature-icon {
    font-size: 34px;
    min-width: 56px;
}

.about-feature h4 {
    margin-bottom: 8px;
    font-size: 20px;
}

.about-feature p {
    color: var(--texto-suave);
    line-height: 1.6;
}

.team-card {
    background: var(--vidro);
    border: 1px solid var(--borda);
    border-radius: var(--raio);
    padding: 40px;
}

.team-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--borda);
}

.team-header img {
    width: 72px;
    height: 72px;
    border-radius: 16px;
    margin-bottom: 14px;
}

.team-header h3 {
    font-size: 28px;
    margin-bottom: 8px;
}

.team-header p {
    color: var(--texto-apagado);
}

.team-members {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.team-member {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.team-member:hover {
    background: rgba(30, 136, 229, 0.12);
    transform: translateX(8px);
}

.member-avatar {
    font-size: 30px;
}

/* ---------- Contato ---------- */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 32px;
    margin-bottom: 20px;
}

.contact-info > p {
    color: var(--texto-suave);
    line-height: 1.8;
    margin-bottom: 40px;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    background: var(--gradiente);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.contact-icon.instagram {
    background: #fff;
}

.contact-item strong {
    display: block;
    margin-bottom: 5px;
}

.contact-item p,
.contact-item a {
    color: var(--texto-apagado);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--azul-claro);
}

.contact-form {
    background: var(--vidro);
    border: 1px solid var(--borda);
    border-radius: var(--raio);
    padding: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(41, 182, 246, 0.25);
    border-radius: 10px;
    color: var(--texto);
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s ease, background 0.3s ease;
}

.form-group select option {
    background: var(--navy-900);
    color: var(--texto);
}

.form-group textarea {
    resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--azul-claro);
    background: rgba(255, 255, 255, 0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--texto-apagado);
}

.btn-bloco {
    width: 100%;
}

/* ---------- Rodapé ---------- */
.footer {
    padding: 60px 5% 30px;
    background: var(--navy-950);
    border-top: 1px solid var(--borda);
}

.footer-content {
    max-width: var(--largura);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--borda);
}

.footer-logo {
    width: 100%;
    max-width: 260px;
    border-radius: 14px;
    border: 1px solid var(--borda);
}

.footer-column h4 {
    font-size: 16px;
    margin-bottom: 18px;
    color: var(--texto);
}

.footer-column > p {
    margin-top: 15px;
    color: var(--texto-suave);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a,
.footer-links li {
    color: var(--texto-suave);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--azul-claro);
}

.footer-bottom {
    text-align: center;
    padding-top: 26px;
}

.footer-bottom p {
    color: var(--texto-apagado);
    font-size: 14px;
}

/* ---------- Animação de entrada ---------- */
.revelar {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.revelar.visivel {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation: none !important;
        transition: none !important;
    }
    .revelar { opacity: 1; transform: none; }
}

/* ---------- Responsivo ---------- */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 860px) {
    .nav-links { display: none; }
    .menu-toggle { display: flex; }

    .mobile-menu,
    .mobile-overlay { display: block; }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }

    .cta-buttons { justify-content: center; }

    .hero-text h1 { font-size: 38px; }

    .hero-logo { max-width: 260px; }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
    section { padding: 70px 16px; }
    .header { padding: 12px 16px; }
    .header.rolado { padding: 8px 16px; }

    .marca-emblema { width: 40px; height: 40px; }
    .marca-nome { font-size: 22px; }

    .hero-text h1 { font-size: 30px; }
    .hero-text p { font-size: 16px; }
    .cta-buttons { flex-direction: column; }

    .section-title { font-size: 32px; }
    .card, .team-card, .contact-form { padding: 28px 22px; }

    .stats-grid { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; }
    .portfolio-grid, .services-grid { grid-template-columns: 1fr; }

    .mobile-menu {
        width: 100%;
        padding: 100px 20px 30px;
    }
}