/* =================================================================
   TCA TONELLI — STYLE.CSS
   Identidade visual corporativa: engenharia, avaliação, perícia.
   ================================================================= */

:root {
    /* paleta principal — azul mais sofisticado */
    --azul-principal: #0F2A5C;     /* navy mais profundo */
    --azul-medio:     #2D5BA8;     /* azul royal */
    --azul-claro:     #6B91D1;
    --azul-suporte:   #A8C4DC;
    --azul-escuro:    #081A3D;
    --azul-quase-preto:#040F26;

    /* accent dourado — sofisticação corporativa */
    --dourado:        #C9A961;
    --dourado-claro:  #E0C886;
    --dourado-suave:  rgba(201,169,97,0.12);

    /* neutros */
    --cinza-azulado:  #DCE6F0;
    --cinza-claro:    #F4F7FB;
    --branco:         #FFFFFF;
    --cinza-escuro:   #1F2937;
    --cinza-medio:    #6B7280;
    --cinza-suave:    #9CA3AF;

    --font: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    --container-max: 1280px;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

    /* sombras mais suaves e modernas */
    --shadow-sm: 0 1px 2px rgba(15,42,92,0.04), 0 2px 4px rgba(15,42,92,0.04);
    --shadow-md: 0 4px 8px rgba(15,42,92,0.04), 0 8px 24px rgba(15,42,92,0.08);
    --shadow-lg: 0 8px 16px rgba(15,42,92,0.06), 0 24px 48px rgba(15,42,92,0.12);
    --shadow-card-hover: 0 12px 24px rgba(15,42,92,0.08), 0 24px 56px rgba(15,42,92,0.14);

    /* radius — sutil, mas presente */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-pill: 999px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 110px; /* topbar (37px) + navbar (73px) */
}

body {
    font-family: var(--font);
    font-weight: 400;
    line-height: 1.7;
    color: var(--cinza-escuro);
    background: var(--branco);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }

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

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 32px;
}

/* =================== SECTION LABEL / TITLE =================== */
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--dourado);
    margin-bottom: 18px;
}
.section-label::before {
    content: "";
    display: inline-block;
    width: 28px;
    height: 1px;
    background: var(--dourado);
}
.section-label-light { color: var(--dourado-claro); }
.section-label-light::before { background: var(--dourado-claro); }

.section-title {
    font-size: clamp(28px, 3.6vw, 42px);
    font-weight: 800;
    color: var(--azul-escuro);
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.8px;
}
.section-title-light { color: var(--branco); }

.section-subtitle {
    font-size: 16px;
    color: var(--cinza-medio);
    max-width: 640px;
    margin-bottom: 8px;
    line-height: 1.7;
}

.section-header {
    text-align: center;
    margin-bottom: 72px;
}
.section-header .section-label::before { display: none; }
.section-header .section-label { padding-left: 0; }
.section-header .section-subtitle { margin-left: auto; margin-right: auto; }

/* =================== BOTÕES =================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.6px;
    text-transform: uppercase;
    padding: 16px 34px;
    border: 2px solid transparent;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    position: relative;
}
.btn-primary {
    background: var(--azul-principal);
    color: var(--branco);
    box-shadow: 0 4px 14px rgba(15,42,92,0.25);
}
.btn-primary:hover {
    background: var(--azul-medio);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(15,42,92,0.35);
}
.btn-outline {
    background: transparent;
    color: var(--branco);
    border-color: var(--branco);
}
.btn-outline:hover {
    background: var(--branco);
    color: var(--azul-principal);
    transform: translateY(-2px);
}
.btn-outline-dark {
    background: transparent;
    color: var(--azul-principal);
    border-color: var(--azul-principal);
}
.btn-outline-dark:hover {
    background: var(--azul-principal);
    color: var(--branco);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(15,42,92,0.25);
}
.btn-full { width: 100%; }

/* =================== HEADER =================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--branco);
    box-shadow: 0 1px 0 rgba(26,58,143,0.1), 0 4px 20px rgba(13,27,62,0.07);
    transition: box-shadow var(--transition);
}

/* topbar */
.header-topbar {
    background: var(--azul-principal);
    padding: 8px 0;
}
.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 28px;
}
.topbar-phone,
.topbar-instagram {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--branco);
    transition: color var(--transition);
}
.topbar-phone svg,
.topbar-instagram svg { color: var(--dourado); transition: transform var(--transition); }
.topbar-phone:hover,
.topbar-instagram:hover { color: var(--dourado-claro); }
.topbar-phone:hover svg,
.topbar-instagram:hover svg { transform: scale(1.1); }

/* navbar */
.header-nav-bar {
    padding: 14px 0;
    border-bottom: 1px solid rgba(45,91,168,0.08);
}
.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo-img {
    height: 56px;
    width: auto;
    display: block;
    object-fit: contain;
}
.footer-logo-img {
    height: 52px;
    width: auto;
    display: block;
    object-fit: contain;
}

.nav-desktop ul {
    display: flex;
    gap: 8px;
    list-style: none;
}
.nav-desktop a {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--cinza-escuro);
    padding: 10px 18px;
    transition: color var(--transition);
    position: relative;
}
.nav-desktop a::after {
    content: "";
    position: absolute;
    bottom: 4px;
    left: 18px;
    right: 18px;
    height: 2px;
    background: var(--azul-medio);
    transform: scaleX(0);
    transition: transform var(--transition);
}
.nav-desktop a:hover::after { transform: scaleX(1); }
.nav-desktop a:hover { color: var(--azul-principal); }

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 110;
}
.menu-toggle span {
    width: 28px;
    height: 2px;
    background: var(--azul-principal);
    transition: all var(--transition);
}

/* =================== DRAWER MOBILE =================== */
.drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(13,27,62,0.6);
    backdrop-filter: blur(4px);
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}
.drawer-overlay.active {
    opacity: 1;
    pointer-events: auto;
}
.drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 320px;
    max-width: 85vw;
    background: var(--branco);
    z-index: 210;
    padding: 80px 32px 32px;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease-out);
    box-shadow: -8px 0 32px rgba(13,27,62,0.15);
}
.drawer.active { transform: translateX(0); }
.drawer-close {
    position: absolute;
    top: 20px;
    right: 24px;
    background: none;
    border: none;
    font-size: 36px;
    color: var(--azul-principal);
    cursor: pointer;
    line-height: 1;
}
.drawer nav ul { list-style: none; }
.drawer nav li { border-bottom: 1px solid var(--cinza-azulado); }
.drawer nav a {
    display: block;
    padding: 18px 0;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--azul-principal);
    transition: padding var(--transition);
}
.drawer nav a:hover { padding-left: 8px; color: var(--azul-medio); }

/* =================== HERO =================== */
.hero {
    position: relative;
    min-height: calc(100vh - 88px); /* desconta topbar + navbar */
    display: flex;
    align-items: center;
    background: var(--branco);
    overflow: hidden;
    padding: 80px 0 60px;
}
.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(26,58,143,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(26,58,143,0.06) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(200,216,232,0.18) 0%, transparent 55%);
    pointer-events: none;
}

/* prédio decorativo */
.hero-building {
    position: absolute;
    right: 0;
    bottom: 0;
    width: min(560px, 48vw);
    display: flex;
    align-items: flex-end;
    pointer-events: none;
    opacity: 0.85;
}
.hero-building svg {
    width: 100%;
    height: auto;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 640px;
}
.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 3.5px;
    text-transform: uppercase;
    color: var(--dourado);
    margin-bottom: 36px;
}
.hero-label::before {
    content: "";
    display: inline-block;
    width: 40px;
    height: 1px;
    background: var(--dourado);
}
.hero-title {
    font-size: clamp(38px, 5.2vw, 72px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -1.8px;
    color: var(--azul-escuro);
    margin-bottom: 0;
}
.hero-title span { display: block; }
.hero-title .accent {
    color: var(--azul-medio);
    font-style: italic;
    font-weight: 400;
    font-family: Georgia, 'Times New Roman', serif;
    letter-spacing: -2px;
    margin-top: 4px;
}
.hero-divider {
    width: 56px;
    height: 2px;
    background: var(--dourado);
    margin: 40px 0 32px;
    position: relative;
}
.hero-divider::after {
    content: "";
    position: absolute;
    left: 64px;
    top: 50%;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--dourado);
    transform: translateY(-50%);
}
.hero-subtitle {
    font-size: 17px;
    line-height: 1.75;
    color: var(--cinza-medio);
    max-width: 540px;
    margin-bottom: 48px;
    font-weight: 400;
}
.hero-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}
.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    z-index: 2;
}
.scroll-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, transparent, var(--azul-medio));
    position: relative;
    overflow: hidden;
}
.scroll-line::after {
    content: "";
    position: absolute;
    top: -20px;
    left: 0;
    width: 1px;
    height: 20px;
    background: var(--azul-principal);
    animation: scroll-down 2s infinite;
}
@keyframes scroll-down {
    0% { top: -20px; }
    100% { top: 50px; }
}
.scroll-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--azul-medio);
    text-transform: uppercase;
}

/* =================== STATS =================== */
.stats {
    background: linear-gradient(135deg, var(--azul-escuro) 0%, var(--azul-principal) 100%);
    padding: 64px 0;
    position: relative;
    overflow: hidden;
}
.stats::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--dourado), transparent);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
    z-index: 1;
}
.stat {
    text-align: center;
    color: var(--branco);
    position: relative;
}
.stat:not(:last-child)::after {
    content: "";
    position: absolute;
    right: -16px;
    top: 20%;
    bottom: 20%;
    width: 1px;
    background: rgba(255,255,255,0.1);
}
.stat-number {
    display: block;
    font-size: clamp(36px, 5vw, 54px);
    font-weight: 800;
    line-height: 1;
    margin-bottom: 10px;
    letter-spacing: -1.5px;
    color: var(--dourado);
}
.stat-text { font-size: clamp(20px, 2.4vw, 30px); color: var(--branco); }
.stat-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--azul-suporte);
}

/* =================== ABOUT =================== */
.about {
    padding: 130px 0;
    background: var(--branco);
}
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.about-text p {
    color: var(--cinza-medio);
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.8;
}
.badges {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin: 32px 0;
}
.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--cinza-claro);
    color: var(--azul-principal);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border-radius: var(--radius-pill);
    border: 1px solid var(--cinza-azulado);
}
.badge svg { color: var(--dourado); }

.about-card {
    position: relative;
    background: linear-gradient(135deg, var(--azul-escuro) 0%, var(--azul-principal) 100%);
    padding: 56px 48px;
    border-radius: var(--radius-lg);
    aspect-ratio: 4/5;
    color: var(--branco);
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.about-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
}
.about-card::after {
    content: "";
    position: absolute;
    top: -80px;
    right: -80px;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(201,169,97,0.15) 0%, transparent 70%);
    pointer-events: none;
}
.about-card-inner {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.corner { display: none; } /* removidos — visual mais limpo */
.quote-mark {
    margin-bottom: 28px;
    width: 44px;
    height: 44px;
    color: var(--dourado);
}
.quote-mark path { fill: currentColor !important; }
.about-quote {
    font-size: 21px;
    line-height: 1.55;
    color: var(--branco);
    font-weight: 500;
    margin-bottom: 28px;
    font-family: Georgia, 'Times New Roman', serif;
    font-style: italic;
    letter-spacing: -0.3px;
}
.about-quote-author {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--dourado);
}

/* =================== SERVICES =================== */
.services {
    position: relative;
    padding: 130px 0;
    background: var(--cinza-claro);
    overflow: hidden;
}
.services-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(45,91,168,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(45,91,168,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}
.services .container { position: relative; z-index: 1; }

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.service-card {
    background: var(--branco);
    padding: 40px 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
    position: relative;
    border: 1px solid rgba(45,91,168,0.06);
}
.service-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 32px;
    right: 32px;
    height: 2px;
    background: var(--dourado);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease-out);
    border-radius: 2px;
}
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
}
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: var(--dourado-suave);
    color: var(--dourado);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
    transition: background var(--transition), color var(--transition), transform var(--transition);
}
.service-icon svg { width: 30px; height: 30px; }
.service-card:hover .service-icon {
    background: var(--dourado);
    color: var(--branco);
    transform: rotate(-4deg) scale(1.05);
}
.service-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--azul-escuro);
    margin-bottom: 12px;
    line-height: 1.3;
    letter-spacing: -0.3px;
}
.service-card p {
    font-size: 14px;
    color: var(--cinza-medio);
    line-height: 1.7;
}
.service-card-featured {
    background: linear-gradient(135deg, var(--azul-escuro) 0%, var(--azul-principal) 100%);
    color: var(--branco);
    border-color: transparent;
}
.service-card-featured::before { background: var(--dourado); }
.service-card-featured .service-icon {
    background: rgba(201,169,97,0.2);
    color: var(--dourado);
}
.service-card-featured:hover .service-icon {
    background: var(--dourado);
    color: var(--azul-escuro);
}
.service-card-featured h3 { color: var(--branco); }
.service-card-featured p { color: var(--azul-suporte); }
.featured-tag {
    position: absolute;
    top: 18px;
    right: 18px;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 4px 10px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(201,169,97,0.4);
    color: var(--dourado);
    background: rgba(201,169,97,0.1);
    border-radius: var(--radius-pill);
}

/* =================== PROJECTS =================== */
.projects {
    padding: 130px 0;
    background: var(--branco);
}
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 64px;
}
.project-card {
    position: relative;
    background: var(--branco);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}
.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
}
.project-image {
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.project-image svg {
    width: 88px;
    height: 88px;
    opacity: 0.9;
    transition: transform 0.6s var(--ease-out);
}
.project-card:hover .project-image svg { transform: scale(1.1); }
.project-image::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
    background-size: 24px 24px;
}
.project-grad-1 { background: linear-gradient(135deg, #0F2A5C 0%, #2D5BA8 100%); }
.project-grad-2 { background: linear-gradient(135deg, #081A3D 0%, #1F3F7A 100%); }
.project-grad-3 { background: linear-gradient(135deg, #2D5BA8 0%, #6B91D1 100%); }
.project-grad-4 { background: linear-gradient(135deg, #1F3F7A 0%, #081A3D 100%); }
.project-grad-5 { background: linear-gradient(135deg, #2D5BA8 0%, #0F2A5C 100%); }
.project-grad-6 { background: linear-gradient(135deg, #6B91D1 0%, #2D5BA8 100%); }

.project-body { padding: 26px 28px 28px; }
.project-category {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.8px;
    text-transform: uppercase;
    color: var(--dourado);
    margin-bottom: 14px;
}
.project-category::before {
    content: "";
    display: inline-block;
    width: 16px;
    height: 1px;
    background: var(--dourado);
}
.project-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--azul-escuro);
    margin-bottom: 8px;
    line-height: 1.35;
    letter-spacing: -0.3px;
}
.project-meta {
    font-size: 13px;
    color: var(--cinza-suave);
    font-weight: 500;
}
.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(8,26,61,0.92) 0%, rgba(15,42,92,0.9) 100%);
    backdrop-filter: blur(2px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
}
.project-card:hover .project-overlay { opacity: 1; }
.project-overlay-btn {
    color: var(--branco);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 14px 32px;
    border: 1px solid var(--dourado);
    border-radius: var(--radius-pill);
    transition: all var(--transition);
}
.project-card:hover .project-overlay-btn {
    background: var(--dourado);
    color: var(--azul-escuro);
    border-color: var(--dourado);
}
.projects-cta { text-align: center; }

/* =================== CONTACT =================== */
.contact {
    position: relative;
    padding: 130px 0;
    background: linear-gradient(135deg, var(--azul-escuro) 0%, var(--azul-quase-preto) 100%);
    overflow: hidden;
}
.contact::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--dourado), transparent);
}
.contact-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(58,107,200,0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(58,107,200,0.1) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}
.contact .container { position: relative; z-index: 1; }
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: start;
}
.contact-intro {
    color: var(--azul-suporte);
    font-size: 16px;
    margin-bottom: 40px;
    max-width: 440px;
}
.contact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.contact-list li {
    display: flex;
    gap: 18px;
    align-items: flex-start;
}
.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: rgba(201,169,97,0.12);
    border: 1px solid rgba(201,169,97,0.3);
    color: var(--dourado);
    display: flex;
    align-items: center;
    justify-content: center;
}
.contact-list strong {
    display: block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--dourado);
    margin-bottom: 4px;
}
.contact-list span,
.contact-list a {
    color: var(--branco);
    font-size: 15px;
    transition: color var(--transition);
}
.contact-list a:hover { color: var(--dourado-claro); }

.contact-form {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 44px;
    border-radius: var(--radius-lg);
    backdrop-filter: blur(8px);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}
.form-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
}
.form-row .form-group { margin-bottom: 0; }
.form-group label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--azul-claro);
    margin-bottom: 10px;
}
.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font);
    font-size: 15px;
    padding: 14px 18px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    color: var(--branco);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
    resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--azul-claro);
    opacity: 0.5;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    background: rgba(255,255,255,0.1);
    border-color: var(--dourado);
    box-shadow: 0 0 0 3px rgba(201,169,97,0.15);
}
.form-group select option {
    background: var(--azul-escuro);
    color: var(--branco);
}
.contact-form .btn { margin-top: 8px; }

/* =================== FOOTER =================== */
.footer {
    position: relative;
    background: var(--azul-quase-preto);
    padding: 56px 0 32px;
    border-top: 1px solid var(--azul-principal);
}
.footer-stripe {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--dourado), transparent);
}
.footer-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}
.footer-copy {
    font-size: 12px;
    color: var(--azul-claro);
    text-align: right;
    line-height: 1.6;
}

/* =================== REVEAL ANIMATION =================== */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    .reveal { opacity: 1; transform: none; }
}

/* =================== RESPONSIVO =================== */
@media (max-width: 1200px) {
    .services-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 992px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 56px;
    }
    .about-card { aspect-ratio: 3/2; max-width: 560px; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .projects-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
    .stat:nth-child(2)::after { display: none; }
}
@media (max-width: 768px) {
    .container { padding: 0 24px; }
    .nav-desktop { display: none; }
    .menu-toggle { display: flex; }
    .header-topbar { display: none; } /* topbar some no mobile */
    .hero { padding: 60px 0 48px; min-height: calc(100vh - 73px); }
    .hero-building { width: min(280px, 45vw); opacity: 0.5; }
    .hero-divider { margin: 24px 0 20px; }
    .hero-subtitle { font-size: 15px; margin-bottom: 32px; }
    .about,
    .services,
    .projects,
    .contact { padding: 80px 0; }
    .section-header { margin-bottom: 48px; }
    .about-card-inner { padding: 40px 32px; }
    .about-quote { font-size: 17px; }
    .contact-form { padding: 28px; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .form-row .form-group { margin-bottom: 20px; }
    .footer-container {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 24px;
    }
    .footer-copy { text-align: center; }
    .stat:nth-child(odd)::after { display: none; }
}
@media (max-width: 480px) {
    .container { padding: 0 20px; }
    .hero-title { letter-spacing: -1px; }
    .hero-buttons { flex-direction: column; align-items: stretch; }
    .hero-buttons .btn { width: 100%; }
    .services-grid,
    .projects-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .stat::after { display: none !important; }
    .about-card { aspect-ratio: auto; }
    .about-card-inner { padding: 32px 24px; }
    .badges { gap: 8px; }
    .badge { font-size: 11px; padding: 6px 12px; }
}

/* =================== WHATSAPP FLOAT =================== */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
    display: flex;
    align-items: center;
    gap: 12px;
    background: #25D366;
    color: #fff;
    padding: 14px 24px 14px 18px;
    border-radius: 56px;
    box-shadow: 0 6px 24px rgba(37,211,102,0.35), 0 2px 8px rgba(0,0,0,0.15);
    text-decoration: none;
    font-family: var(--font);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.5px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.whatsapp-float:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 32px rgba(37,211,102,0.45), 0 4px 12px rgba(0,0,0,0.2);
}
.whatsapp-float svg {
    width: 26px;
    height: 26px;
    flex-shrink: 0;
}
.whatsapp-label {
    white-space: nowrap;
    font-size: 14px;
}
@media (max-width: 480px) {
    .whatsapp-float { padding: 12px 18px 12px 14px; font-size: 13px; right: 16px; bottom: 16px; }
    .whatsapp-float svg { width: 22px; height: 22px; }
}