/*
Theme Name: Eletropontes
Theme URI: https://eletropontes.com.br
Author: Eletropontes
Author URI: https://eletropontes.com.br
Description: Tema oficial da Eletropontes
Version: 4.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: Proprietary
Text Domain: eletropontes
*/

/* =========================================================
   DESIGN TOKENS — Paleta da Logo: branco, azul céu, navy
   ========================================================= */
:root {
    /* Backgrounds — claros e sutis */
    --bg-base:     #FFFFFF;
    --bg-elevated: #F4F8FD;
    --bg-card:     #FFFFFF;
    --bg-navy:     #0F2060;
    --bg-sky:      #E8F4FD;

    /* Accent — Azul Céu (cor principal do drone na logo) */
    --accent:      #1E90D4;
    --accent-light: #4FC3F7;
    --accent-dark: #1565C0;
    --accent-dim:  rgba(30,144,212,0.08);
    --accent-glow: 0 8px 32px rgba(30,144,212,0.2);

    /* Navy — cor escura da logo */
    --navy:        #0F2060;
    --navy-light:  #1A2B8A;
    --navy-dim:    rgba(15,32,96,0.06);

    /* Bordas */
    --border:      rgba(15,23,42,0.08);
    --border-2:    rgba(15,23,42,0.14);
    --border-accent: rgba(30,144,212,0.25);

    /* Texto */
    --tx-primary:  #0F172A;
    --tx-secondary:#475569;
    --tx-muted:    #94A3B8;
    --tx-on-accent: #FFFFFF;
    --tx-on-navy:   #FFFFFF;

    /* Tipografia */
    --font-display: 'Montserrat', system-ui, sans-serif;
    --font-body:    'Open Sans', system-ui, sans-serif;

    /* Escala tipográfica */
    --fs-xs:   0.72rem;
    --fs-sm:   0.875rem;
    --fs-base: 1rem;
    --fs-lg:   1.125rem;
    --fs-xl:   1.375rem;
    --fs-2xl:  clamp(1.6rem, 3vw, 2.2rem);
    --fs-3xl:  clamp(1.9rem, 4vw, 2.8rem);
    --fs-hero: clamp(2.4rem, 5.5vw, 3.8rem);

    /* Espaçamento */
    --space-1: 4px;   --space-2: 8px;   --space-3: 12px;
    --space-4: 16px;  --space-5: 24px;  --space-6: 32px;
    --space-7: 48px;  --space-8: 64px;  --space-9: 96px;
    --space-10: 128px;

    /* Raios */
    --r-sm:   6px;
    --r-md:   10px;
    --r-lg:   16px;
    --r-xl:   24px;
    --r-full: 9999px;

    /* Sombras — sutis para tema claro */
    --shadow-sm:  0 1px 3px rgba(15,23,42,0.07), 0 1px 2px rgba(15,23,42,0.04);
    --shadow-md:  0 4px 16px rgba(15,23,42,0.08), 0 2px 6px rgba(15,23,42,0.05);
    --shadow-lg:  0 16px 48px rgba(15,23,42,0.1), 0 4px 16px rgba(15,23,42,0.06);
    --shadow-card: 0 2px 12px rgba(15,23,42,0.07);
    --shadow-accent: 0 4px 20px rgba(30,144,212,0.18);

    /* Transições */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --t-fast: all 0.18s var(--ease);
    --t-base: all 0.28s var(--ease);

    --container: 1240px;
    --section-v: 96px;
}

/* =========================================================
   RESET
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; }
body {
    font-family: var(--font-body);
    background: var(--bg-base);
    color: var(--tx-primary);
    line-height: 1.7;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: var(--t-fast); }
a:hover { color: var(--accent-dark); }
ul, ol { list-style: none; }
h1,h2,h3,h4,h5,h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.15;
    color: var(--tx-primary);
}

/* =========================================================
   LAYOUT
   ========================================================= */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* =========================================================
   BOTÕES
   ========================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 12px 24px;
    font-family: var(--font-display);
    font-size: var(--fs-sm);
    font-weight: 700;
    letter-spacing: 0.2px;
    border: none;
    border-radius: var(--r-sm);
    cursor: pointer;
    transition: var(--t-base);
    text-decoration: none;
    white-space: nowrap;
}
.btn-primary {
    background: var(--accent);
    color: var(--tx-on-accent);
    box-shadow: var(--shadow-accent);
}
.btn-primary:hover {
    background: var(--accent-dark);
    color: var(--tx-on-accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(30,144,212,0.3);
}
.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 1.5px solid var(--accent);
}
.btn-outline:hover {
    background: var(--accent);
    color: var(--tx-on-accent);
    transform: translateY(-2px);
}
.btn-navy {
    background: var(--navy);
    color: var(--tx-on-navy);
}
.btn-navy:hover {
    background: var(--navy-light);
    color: var(--tx-on-navy);
    transform: translateY(-2px);
}

/* =========================================================
   SECTION HEADERS
   ========================================================= */
.section-label, .section-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 5px 14px;
    background: var(--accent-dim);
    border: 1px solid var(--border-accent);
    border-radius: var(--r-full);
    color: var(--accent);
    font-size: var(--fs-xs);
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: var(--space-4);
}
.section-label::before, .section-tag::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--accent);
    border-radius: 50%;
}
.section-title {
    font-size: var(--fs-3xl);
    font-weight: 900;
    letter-spacing: -0.5px;
    color: var(--navy);
    margin-bottom: var(--space-3);
}
.section-title em { font-style: normal; color: var(--accent); }
.section-sub, .section-subtitle {
    font-size: var(--fs-lg);
    color: var(--tx-secondary);
    max-width: 560px;
    line-height: 1.8;
    margin-bottom: var(--space-7);
}
.text-center { text-align: center; }
.text-center .section-sub,
.text-center .section-subtitle { margin-left: auto; margin-right: auto; }

.animate-on-scroll {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.animate-on-scroll.animated { opacity: 1; transform: translateY(0); }

/* =========================================================
   HEADER
   ========================================================= */
#site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--t-base);
}
#site-header.scrolled {
    padding: 10px 0;
    box-shadow: var(--shadow-md);
    background: rgba(255,255,255,0.96);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
}
.site-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    flex-shrink: 0;
}
.site-logo img { height: 44px; width: auto; }
.site-logo-text {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 900;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--navy);
}
.site-logo-text span { color: var(--accent); }

.main-nav {
    display: flex;
    align-items: center;
    gap: 2px;
    flex: 1;
    justify-content: center;
}
.main-nav a {
    padding: 7px 13px;
    color: var(--tx-secondary);
    font-family: var(--font-display);
    font-size: var(--fs-xs);
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-radius: var(--r-sm);
    transition: var(--t-fast);
}
.main-nav a:hover,
.main-nav a.active {
    color: var(--accent);
    background: var(--accent-dim);
}
.header-cta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

.burger-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: var(--space-2);
    background: none;
    border: none;
}
.burger-menu span {
    display: block;
    width: 22px; height: 2px;
    background: var(--navy);
    border-radius: 2px;
    transition: var(--t-base);
}
.burger-menu.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger-menu.active span:nth-child(2) { opacity: 0; }
.burger-menu.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   HERO — claro, sutil, profissional
   ========================================================= */
#hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--bg-base);
    padding-top: 80px;
}

.hero-bg { position: absolute; inset: 0; z-index: 0; }

.hero-bg-gradient {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 70% 60% at 80% 30%, rgba(30,144,212,0.07) 0%, transparent 65%),
        radial-gradient(ellipse 50% 40% at 10% 80%, rgba(15,32,96,0.04) 0%, transparent 60%);
}

.hero-grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(30,144,212,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30,144,212,0.06) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 100% 100% at 80% 40%, black 10%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 100% 100% at 80% 40%, black 10%, transparent 75%);
}

.hero-particles { position: absolute; inset: 0; overflow: hidden; }
.particle {
    position: absolute;
    border-radius: 50%;
    opacity: 0;
    animation: particleFloat linear infinite;
}
@keyframes particleFloat {
    0%  { opacity: 0; transform: translateY(100vh); }
    8%  { opacity: 0.35; }
    92% { opacity: 0.35; }
    100%{ opacity: 0; transform: translateY(-10vh); }
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
    align-items: center;
    padding: var(--space-10) 0 var(--space-8);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 6px 16px;
    background: var(--accent-dim);
    border: 1px solid var(--border-accent);
    border-radius: var(--r-full);
    color: var(--accent);
    font-size: var(--fs-xs);
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: var(--space-6);
}
.hero-badge::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
}
@keyframes blink {
    0%,100% { opacity: 1; }
    50%      { opacity: 0.3; }
}

.hero-title {
    font-size: var(--fs-hero);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -1.5px;
    color: var(--navy);
    margin-bottom: var(--space-5);
}
.hero-title .highlight { color: var(--accent); }

.hero-description {
    font-size: var(--fs-lg);
    color: var(--tx-secondary);
    line-height: 1.85;
    margin-bottom: var(--space-7);
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-bottom: var(--space-8);
}

.hero-stats {
    display: flex;
    gap: var(--space-7);
    padding-top: var(--space-6);
    border-top: 1px solid var(--border);
}
.hero-stat-number {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--navy);
    display: block;
    letter-spacing: -0.5px;
    line-height: 1;
    margin-bottom: 4px;
}
.hero-stat-label {
    font-size: var(--fs-xs);
    color: var(--tx-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-drone-container {
    position: relative;
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
}
.hero-drone-svg {
    width: 100%;
    animation: droneFloat 5s ease-in-out infinite;
    filter: drop-shadow(0 8px 32px rgba(30,144,212,0.15));
}
@keyframes droneFloat {
    0%,100% { transform: translateY(0); }
    50%      { transform: translateY(-14px); }
}

.hero-glow-ring {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px solid rgba(30,144,212,0.12);
    animation: ringPulse 4s ease-in-out infinite;
}
.hero-glow-ring:nth-child(1) { width: 240px; height: 240px; }
.hero-glow-ring:nth-child(2) { width: 360px; height: 360px; animation-delay: 0.8s; border-color: rgba(30,144,212,0.07); }
.hero-glow-ring:nth-child(3) { width: 480px; height: 480px; animation-delay: 1.6s; border-color: rgba(30,144,212,0.04); }
@keyframes ringPulse {
    0%,100% { opacity: 1;   transform: translate(-50%,-50%) scale(1); }
    50%      { opacity: 0.3; transform: translate(-50%,-50%) scale(1.04); }
}

.hero-scan-line {
    position: absolute;
    width: 160px; height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    animation: scanDown 4s ease-in-out infinite;
    left: 50%; transform: translateX(-50%);
    opacity: 0.4;
}
@keyframes scanDown {
    0%,100% { top: 18%; opacity: 0; }
    10%      { opacity: 0.4; }
    90%      { opacity: 0.4; }
    99%      { top: 82%; opacity: 0; }
}

.scroll-indicator {
    position: absolute;
    bottom: 32px; left: 50%;
    transform: translateX(-50%);
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--tx-muted);
    font-size: 0.68rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.scroll-arrow {
    width: 24px; height: 40px;
    border: 1.5px solid var(--border-2);
    border-radius: 12px;
    position: relative;
    display: flex;
    justify-content: center;
}
.scroll-arrow::after {
    content: '';
    position: absolute;
    top: 6px;
    width: 4px; height: 4px;
    background: var(--accent);
    border-radius: 50%;
    animation: scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce {
    0%,100% { top: 6px; opacity: 1; }
    50%      { top: 22px; opacity: 0.3; }
}

/* =========================================================
   SERVICES
   ========================================================= */
#services {
    padding: var(--section-v) 0;
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.services-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}
.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: var(--space-7) var(--space-6);
    transition: var(--t-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--navy), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s var(--ease);
}
.service-card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-md), var(--shadow-accent);
    transform: translateY(-4px);
}
.service-card:hover::before { transform: scaleX(1); }

.service-card-arrow {
    position: absolute;
    top: var(--space-5);
    right: var(--space-5);
    width: 30px; height: 30px;
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tx-muted);
    font-size: 13px;
    transition: var(--t-base);
}
.service-card:hover .service-card-arrow {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
    transform: rotate(45deg);
}
.service-icon {
    width: 52px; height: 52px;
    background: var(--accent-dim);
    border: 1px solid var(--border-accent);
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin-bottom: var(--space-5);
    transition: var(--t-base);
}
.service-card:hover .service-icon {
    background: var(--accent);
    border-color: var(--accent);
}
.service-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--space-3);
    color: var(--navy);
    padding-right: 36px;
}
.service-description {
    color: var(--tx-secondary);
    font-size: var(--fs-sm);
    line-height: 1.8;
    margin-bottom: var(--space-4);
}
.service-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.service-tag {
    padding: 3px 10px;
    background: var(--navy-dim);
    border: 1px solid rgba(15,32,96,0.1);
    border-radius: var(--r-full);
    font-size: 0.7rem;
    color: var(--navy);
    font-weight: 600;
}

/* =========================================================
   ABOUT / MVV
   ========================================================= */
#about {
    padding: var(--section-v) 0;
    background: var(--bg-base);
}
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
    align-items: center;
}
.about-visual { position: relative; }
.about-image-wrapper {
    border-radius: var(--r-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--bg-elevated);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
}
.about-badge-float {
    position: absolute;
    bottom: -16px; right: -16px;
    background: var(--navy);
    border-radius: var(--r-md);
    padding: 20px 24px;
    z-index: 2;
    text-align: center;
    box-shadow: var(--shadow-lg);
}
.about-badge-float .big-number {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--accent-light);
    line-height: 1;
    display: block;
    margin-bottom: 4px;
}
.about-badge-float .label {
    font-size: var(--fs-xs);
    color: rgba(255,255,255,0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.about-description {
    font-size: var(--fs-base);
    color: var(--tx-secondary);
    line-height: 1.9;
    margin-bottom: var(--space-6);
}
.mvv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}
.mvv-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: var(--space-5) var(--space-4);
    text-align: center;
    transition: var(--t-base);
}
.mvv-card:hover {
    border-color: var(--border-accent);
    background: var(--accent-dim);
    box-shadow: var(--shadow-sm);
}
.mvv-icon { font-size: 1.6rem; margin-bottom: var(--space-2); display: block; }
.mvv-title {
    font-size: var(--fs-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-dark);
    margin-bottom: 6px;
}
.mvv-text { font-size: 0.8rem; color: var(--tx-secondary); line-height: 1.6; }

/* =========================================================
   STATS — faixa navy impactante
   ========================================================= */
#stats {
    background: var(--navy);
    padding: var(--space-8) 0;
}
.stats-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}
.stat-item {
    text-align: center;
    padding: var(--space-6) var(--space-5);
    border-right: 1px solid rgba(255,255,255,0.1);
}
.stat-item:last-child { border-right: none; }
.stat-number {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    font-weight: 900;
    color: #FFFFFF;
    display: block;
    line-height: 1;
    letter-spacing: -2px;
    margin-bottom: var(--space-2);
}
.stat-unit { color: var(--accent-light); }
.stat-label {
    font-size: var(--fs-xs);
    color: rgba(255,255,255,0.6);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

/* =========================================================
   VALUES
   ========================================================= */
#values {
    padding: var(--section-v) 0;
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
    margin-top: var(--space-8);
}
.value-item {
    padding: var(--space-6) var(--space-5);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    text-align: center;
    transition: var(--t-base);
    box-shadow: var(--shadow-sm);
}
.value-item:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md), var(--shadow-accent);
}
.value-icon {
    width: 60px; height: 60px;
    margin: 0 auto var(--space-4);
    background: var(--accent-dim);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    border: 1px solid var(--border-accent);
    transition: var(--t-base);
}
.value-item:hover .value-icon { background: var(--accent); border-color: var(--accent); }
.value-title { font-size: var(--fs-base); font-weight: 700; margin-bottom: var(--space-2); color: var(--navy); }
.value-description { font-size: var(--fs-sm); color: var(--tx-secondary); line-height: 1.7; }

/* =========================================================
   TECHNOLOGY
   ========================================================= */
#technology {
    padding: var(--section-v) 0;
    background: var(--bg-base);
}
.technology-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
    align-items: center;
}
.tech-list { display: flex; flex-direction: column; gap: var(--space-3); }
.tech-item {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
    padding: var(--space-5);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    transition: var(--t-base);
    box-shadow: var(--shadow-sm);
}
.tech-item:hover {
    border-color: var(--border-accent);
    background: var(--accent-dim);
    transform: translateX(6px);
    box-shadow: var(--shadow-md);
}
.tech-item-icon {
    flex-shrink: 0;
    width: 46px; height: 46px;
    background: var(--accent-dim);
    border: 1px solid var(--border-accent);
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    transition: var(--t-base);
}
.tech-item:hover .tech-item-icon { background: var(--accent); border-color: var(--accent); }
.tech-item-title { font-size: var(--fs-base); font-weight: 700; color: var(--navy); margin-bottom: 3px; }
.tech-item-desc { font-size: var(--fs-sm); color: var(--tx-secondary); line-height: 1.6; }

.tech-showcase { position: relative; }
.tech-card-3d {
    background: var(--navy);
    border-radius: var(--r-xl);
    padding: var(--space-8);
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.tech-card-3d::before {
    content: '';
    position: absolute;
    top: 0; left: 10%; right: 10%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-light), transparent);
}
.tech-card-label {
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-light);
    margin-bottom: var(--space-3);
    font-weight: 700;
}
.tech-card-title { font-size: var(--fs-2xl); font-weight: 900; margin-bottom: var(--space-3); letter-spacing: -0.5px; color: white; }
.tech-card-text { color: rgba(255,255,255,0.65); font-size: var(--fs-sm); line-height: 1.8; }
.tech-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
    margin-top: var(--space-6);
}
.tech-metric {
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--r-md);
    padding: var(--space-4);
    text-align: center;
}
.tech-metric-value { font-size: 1.7rem; font-weight: 900; color: var(--accent-light); letter-spacing: -0.5px; }
.tech-metric-label { font-size: var(--fs-xs); color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 1px; margin-top: 3px; }

/* =========================================================
   PROJECTS
   ========================================================= */
#projects {
    padding: var(--section-v) 0;
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.projects-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}
.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    overflow: hidden;
    transition: var(--t-base);
    box-shadow: var(--shadow-sm);
}
.project-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-6px);
    box-shadow: var(--shadow-md), var(--shadow-accent);
}
.project-image {
    width: 100%; height: 160px;
    background: linear-gradient(135deg, var(--navy) 0%, var(--accent-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    position: relative;
    overflow: hidden;
}
.project-content { padding: var(--space-5); }
.project-category {
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 6px;
}
.project-title { font-size: var(--fs-base); font-weight: 700; color: var(--navy); margin-bottom: var(--space-2); }
.project-desc { font-size: var(--fs-sm); color: var(--tx-secondary); line-height: 1.7; margin-bottom: var(--space-3); }
.project-meta { display: flex; gap: var(--space-4); flex-wrap: wrap; }
.project-meta span { font-size: 0.78rem; color: var(--tx-muted); }
.project-meta span strong { color: var(--tx-secondary); font-weight: 600; }

/* =========================================================
   CONTACT
   ========================================================= */
#contact {
    padding: var(--section-v) 0;
    background: var(--bg-base);
}
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: var(--space-10);
    align-items: start;
}
.contact-info-title {
    font-size: var(--fs-2xl);
    font-weight: 900;
    letter-spacing: -0.3px;
    color: var(--navy);
    margin-bottom: var(--space-3);
}
.contact-info-text { color: var(--tx-secondary); line-height: 1.8; margin-bottom: var(--space-7); }
.contact-details { display: flex; flex-direction: column; gap: var(--space-5); }
.contact-detail-item { display: flex; gap: var(--space-4); align-items: flex-start; }
.contact-detail-icon {
    width: 42px; height: 42px;
    background: var(--accent-dim);
    border: 1px solid var(--border-accent);
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}
.contact-detail-label {
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--tx-muted);
    margin-bottom: 3px;
}
.contact-detail-value { font-size: var(--fs-base); color: var(--tx-primary); font-weight: 600; }
.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    padding: var(--space-8) var(--space-7);
    box-shadow: var(--shadow-md);
}
.contact-form { display: flex; flex-direction: column; gap: var(--space-4); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--tx-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.form-group input,
.form-group select,
.form-group textarea {
    background: var(--bg-elevated);
    border: 1.5px solid var(--border);
    border-radius: var(--r-sm);
    padding: 12px 14px;
    color: var(--tx-primary);
    font-family: var(--font-body);
    font-size: var(--fs-base);
    transition: var(--t-fast);
    outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    background: var(--bg-base);
    box-shadow: 0 0 0 3px rgba(30,144,212,0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--tx-muted); }
.form-group textarea { min-height: 130px; resize: vertical; }
.form-submit { display: flex; gap: var(--space-5); align-items: center; }
.form-note { font-size: var(--fs-xs); color: var(--tx-muted); }
#contact-result { padding: 14px 18px; border-radius: var(--r-sm); margin-top: 12px; font-weight: 600; font-size: var(--fs-sm); }

/* =========================================================
   FOOTER
   ========================================================= */
#site-footer {
    background: var(--navy);
    color: rgba(255,255,255,0.8);
}
.footer-top { padding: var(--space-9) 0 var(--space-7); }
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-9);
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
    text-decoration: none;
}
.footer-logo img { height: 38px; filter: brightness(0) invert(1) opacity(0.9); }
.footer-logo-text {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 900;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: white;
}
.footer-logo-text span { color: var(--accent-light); }
.footer-tagline { color: rgba(255,255,255,0.55); font-size: var(--fs-sm); line-height: 1.8; margin-bottom: var(--space-5); }
.social-links { display: flex; gap: var(--space-2); }
.social-link {
    width: 36px; height: 36px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    transition: var(--t-base);
    text-decoration: none;
}
.social-link:hover { background: var(--accent); border-color: var(--accent); transform: translateY(-2px); }
.footer-col-title {
    font-size: var(--fs-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: white;
    margin-bottom: var(--space-4);
}
.footer-links { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-links a { color: rgba(255,255,255,0.55); font-size: var(--fs-sm); transition: var(--t-fast); }
.footer-links a:hover { color: var(--accent-light); }
.footer-bottom {
    padding: var(--space-5) 0;
    border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; gap: var(--space-5); }
.footer-copyright { font-size: var(--fs-xs); color: rgba(255,255,255,0.4); }
.footer-certifications { display: flex; gap: var(--space-3); }
.cert-badge {
    padding: 3px 10px;
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--r-full);
    font-size: 0.68rem;
    color: rgba(255,255,255,0.55);
    font-weight: 700;
    letter-spacing: 0.5px;
}

/* =========================================================
   FLUTUANTES
   ========================================================= */
.back-to-top {
    position: fixed;
    bottom: 32px; right: 32px;
    width: 42px; height: 42px;
    background: var(--navy);
    border: none;
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    opacity: 0; visibility: hidden;
    transition: var(--t-base);
    font-size: 16px;
    text-decoration: none;
    color: white;
    box-shadow: var(--shadow-md);
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--accent); color: white; transform: translateY(-3px); }

.whatsapp-float {
    position: fixed;
    bottom: 88px; right: 32px;
    width: 50px; height: 50px;
    background: #25D366;
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    box-shadow: 0 4px 20px rgba(37,211,102,0.35);
    text-decoration: none;
    font-size: 22px;
    transition: var(--t-base);
}
.whatsapp-float:hover { transform: translateY(-3px); box-shadow: 0 6px 28px rgba(37,211,102,0.5); }

/* =========================================================
   ANIMAÇÕES
   ========================================================= */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeUp 0.6s var(--ease) both; }

/* =========================================================
   RESPONSIVO
   ========================================================= */
@media (max-width: 1024px) {
    :root { --section-v: 80px; }
    .hero-content     { grid-template-columns: 1fr; }
    .hero-visual      { display: none; }
    .about-content    { grid-template-columns: 1fr; }
    .about-visual     { display: none; }
    .technology-grid  { grid-template-columns: 1fr; }
    .values-grid      { grid-template-columns: repeat(2, 1fr); }
    .projects-grid    { grid-template-columns: repeat(2, 1fr); }
    .contact-wrapper  { grid-template-columns: 1fr; }
    .footer-grid      { grid-template-columns: 1fr 1fr; gap: var(--space-7); }
    .stats-strip      { grid-template-columns: repeat(2, 1fr); }
    .stat-item:nth-child(2) { border-right: none; }
    .services-grid    { grid-template-columns: repeat(2, 1fr); }
    .services-header, .projects-header { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 768px) {
    :root { --section-v: 64px; }
    .main-nav   { display: none; }
    .burger-menu{ display: flex; }
    .main-nav.open {
        display: flex;
        flex-direction: column;
        position: fixed;
        inset: 0;
        background: rgba(255,255,255,0.98);
        z-index: 999;
        align-items: center;
        justify-content: center;
        gap: var(--space-5);
        padding: var(--space-9) var(--space-6);
    }
    .main-nav.open a { font-size: 1.3rem; padding: var(--space-4) var(--space-6); color: var(--navy); }
    .header-cta .btn { display: none; }
    .services-grid  { grid-template-columns: 1fr; }
    .mvv-grid       { grid-template-columns: 1fr; }
    .values-grid    { grid-template-columns: 1fr; }
    .projects-grid  { grid-template-columns: 1fr; }
    .form-row       { grid-template-columns: 1fr; }
    .footer-grid    { grid-template-columns: 1fr; }
    .stats-strip    { grid-template-columns: repeat(2, 1fr); }
    .stat-item      { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); }
    .stat-item:last-child { border-bottom: none; }
    .footer-bottom-inner { flex-direction: column; text-align: center; }
    .hero-stats     { gap: var(--space-5); flex-wrap: wrap; }
    .contact-form-wrapper { padding: var(--space-6) var(--space-5); }
}

@media (max-width: 480px) {
    .hero-actions   { flex-direction: column; }
    .btn            { width: 100%; justify-content: center; }
}