/* =================================================================
   Eco Ferramentas — Engenharia e Tecnologia Ambiental
   Design system: tokens, layout, components (BEM)
   Vanilla CSS — no frameworks
   ================================================================= */

/* ---------- Tokens ---------- */
:root {
  --color-primary: #00AEEF;
  --color-primary-dark: #0090c9;
  --color-dark: #0A2540;
  --color-dark-2: #11304f;
  --color-dark-3: #1b3a5c;
  --color-white: #FFFFFF;
  --color-bg: #F4F7FA;
  --color-bg-2: #EAF1F7;
  --color-text: #4A5568;
  --color-heading: #0A2540;
  --color-accent: #00C9A7;
  --color-border: #E4EAF0;
  --color-overlay: rgba(10, 37, 64, 0.62);

  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --radius-lg: 16px;
  --radius: 12px;
  --radius-sm: 8px;

  --shadow-sm: 0 1px 2px rgba(10, 37, 64, 0.06);
  --shadow: 0 14px 34px -16px rgba(10, 37, 64, 0.22);
  --shadow-lg: 0 28px 60px -24px rgba(10, 37, 64, 0.30);

  --maxw: 1200px;
  --gutter: clamp(20px, 5vw, 48px);
  --section-y: clamp(64px, 8vw, 116px);

  --t: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
h1, h2, h3, h4 { color: var(--color-heading); line-height: 1.12; margin: 0; font-weight: 800; letter-spacing: -0.02em; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
ul { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 3px; border-radius: 4px; }

/* ---------- Utilities ---------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-y); }
.section--alt { background: var(--color-bg); }
.section--dark { background: var(--color-dark); color: rgba(255,255,255,0.82); }
.section--dark h1, .section--dark h2, .section--dark h3 { color: #fff; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--color-primary); margin: 0 0 18px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--color-primary); display: inline-block; }
.section--dark .eyebrow { color: var(--color-accent); }
.section--dark .eyebrow::before { background: var(--color-accent); }

.section__title { font-size: clamp(1.9rem, 3.4vw, 2.7rem); }
.section__lead { font-size: 1.12rem; max-width: 58ch; margin-top: 18px; }

.section-head { max-width: 720px; margin-bottom: clamp(36px, 5vw, 60px); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-weight: 600; font-size: 1rem; line-height: 1;
  padding: 15px 26px; border-radius: var(--radius-sm);
  transition: background var(--t), color var(--t), transform var(--t), box-shadow var(--t), border-color var(--t);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-dark); transform: translateY(-2px); box-shadow: 0 12px 24px -10px rgba(0,174,239,0.6); }
.btn--ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.5); }
.btn--ghost:hover { background: rgba(255,255,255,0.12); border-color: #fff; }
.btn--dark { background: var(--color-dark); color: #fff; }
.btn--dark:hover { background: var(--color-dark-2); transform: translateY(-2px); }
.btn--outline { background: transparent; color: var(--color-dark); border: 1.5px solid var(--color-border); }
.btn--outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn--lg { padding: 17px 32px; font-size: 1.05rem; }

.arrow-link {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--color-primary);
  transition: gap var(--t);
}
.arrow-link:hover { gap: 13px; }
.arrow-link svg { width: 17px; height: 17px; }

/* =================================================================
   Header
   ================================================================= */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: #fff;
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--t), border-color var(--t);
}
.site-header.is-scrolled { box-shadow: var(--shadow-sm); border-bottom-color: var(--color-border); }
.header__inner { display: flex; align-items: center; gap: 28px; height: 76px; }

.logo { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo__mark { width: 42px; height: 42px; flex-shrink: 0; border-radius: 9px; display: block; }
.logo__text { display: flex; flex-direction: column; line-height: 1.05; }
.logo__name { font-weight: 800; font-size: 1.18rem; color: var(--color-dark); letter-spacing: -0.02em; }
.logo__tag { font-size: 0.62rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--color-primary); }

.nav { margin-left: auto; }
.nav__list { display: flex; align-items: center; gap: 4px; }
.nav__link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 16px; border-radius: var(--radius-sm);
  font-weight: 500; font-size: 0.98rem; color: var(--color-dark);
  transition: color var(--t), background var(--t);
}
.nav__link:hover { color: var(--color-primary); background: var(--color-bg); }
.nav__link--active { color: var(--color-primary); font-weight: 600; }
.nav__link svg { width: 16px; height: 16px; transition: transform var(--t); }

.nav__item { position: relative; }
.nav__item--has-drop:hover .nav__link svg, .nav__item--has-drop.is-open .nav__link svg { transform: rotate(180deg); }

.dropdown {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(8px);
  width: 300px; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 10px; opacity: 0; visibility: hidden;
  transition: opacity var(--t), transform var(--t), visibility var(--t);
}
.nav__item--has-drop:hover .dropdown, .nav__item--has-drop.is-open .dropdown {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.dropdown__link { display: flex; flex-direction: column; gap: 2px; padding: 11px 14px; border-radius: var(--radius-sm); transition: background var(--t); }
.dropdown__link:hover { background: var(--color-bg); }
.dropdown__title { font-weight: 600; color: var(--color-dark); font-size: 0.96rem; }
.dropdown__desc { font-size: 0.82rem; color: var(--color-text); }

.header__cta { flex-shrink: 0; }
.header__actions { display: flex; align-items: center; gap: 14px; margin-left: 8px; }

.burger { display: none; width: 44px; height: 44px; border-radius: var(--radius-sm); align-items: center; justify-content: center; margin-left: auto; }
.burger span { display: block; width: 22px; height: 2px; background: var(--color-dark); position: relative; transition: var(--t); }
.burger span::before, .burger span::after { content: ""; position: absolute; left: 0; width: 22px; height: 2px; background: var(--color-dark); transition: var(--t); }
.burger span::before { top: -7px; } .burger span::after { top: 7px; }
.burger.is-open span { background: transparent; }
.burger.is-open span::before { top: 0; transform: rotate(45deg); }
.burger.is-open span::after { top: 0; transform: rotate(-45deg); }

/* Mobile panel */
.mobile-nav {
  position: fixed; inset: 76px 0 0; background: #fff; z-index: 99;
  padding: 24px var(--gutter) 40px; overflow-y: auto;
  transform: translateY(-12px); opacity: 0; visibility: hidden; transition: var(--t);
}
.mobile-nav.is-open { transform: none; opacity: 1; visibility: visible; }
.mobile-nav__link { display: block; padding: 15px 4px; font-size: 1.15rem; font-weight: 600; color: var(--color-dark); border-bottom: 1px solid var(--color-border); }
.mobile-nav__sub { padding: 4px 0 10px 14px; }
.mobile-nav__sub a { display: block; padding: 9px 4px; color: var(--color-text); font-weight: 500; }
.mobile-nav__cta { margin-top: 26px; }
.mobile-nav__cta .btn { width: 100%; }

/* =================================================================
   Hero
   ================================================================= */
.hero { position: relative; color: #fff; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(10,37,64,0.88) 0%, rgba(10,37,64,0.66) 46%, rgba(10,37,64,0.32) 100%);
}
.hero__inner { position: relative; z-index: 1; padding-block: clamp(96px, 15vw, 168px); max-width: 760px; }
.hero__tag {
  display: inline-flex; align-items: center; gap: 9px; font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; color: #fff;
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.22);
  padding: 8px 16px; border-radius: 100px; margin-bottom: 26px; backdrop-filter: blur(4px);
}
.hero__tag .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--color-accent); }
.hero__title { font-size: clamp(1.9rem, 4.2vw, 3.1rem); color: #fff; }
.hero__sub { font-size: clamp(1.05rem, 1.8vw, 1.3rem); color: rgba(255,255,255,0.86); margin-top: 24px; max-width: 56ch; font-weight: 400; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 38px; }

/* Page hero (interior pages) */
.page-hero { position: relative; color: #fff; overflow: hidden; background: var(--color-dark); }
.page-hero__bg { position: absolute; inset: 0; z-index: 0; }
.page-hero__bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.5; }
.page-hero__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,37,64,0.55), rgba(10,37,64,0.85)); }
.page-hero__inner { position: relative; z-index: 1; padding-block: clamp(72px, 11vw, 124px); max-width: 760px; }
.page-hero__title { font-size: clamp(2rem, 4.4vw, 3.2rem); color: #fff; }
.page-hero__sub { font-size: 1.15rem; color: rgba(255,255,255,0.84); margin-top: 18px; max-width: 56ch; }
.breadcrumb { display: flex; gap: 8px; font-size: 0.88rem; color: rgba(255,255,255,0.6); margin-bottom: 20px; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { color: rgba(255,255,255,0.4); }

/* =================================================================
   Specialty cards (Home areas)
   ================================================================= */
.areas-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.areas-grid--4 { grid-template-columns: repeat(4, 1fr); }
.area-card {
  display: flex; flex-direction: column; gap: 14px; padding: 32px;
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.area-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }
.area-card__icon { width: 56px; height: 56px; border-radius: 14px; background: var(--color-bg); color: var(--color-primary); display: grid; place-items: center; transition: background var(--t), color var(--t); }
.area-card:hover .area-card__icon { background: var(--color-primary); color: #fff; }
.area-card__icon svg { width: 28px; height: 28px; }
.area-card__title { font-size: 1.22rem; }
.area-card__text { font-size: 0.98rem; }
.area-card__more { margin-top: auto; padding-top: 6px; font-size: 0.92rem; font-weight: 600; color: var(--color-primary); display: inline-flex; align-items: center; gap: 7px; transition: gap var(--t); }
.area-card:hover .area-card__more { gap: 12px; }
.area-card__more svg { width: 16px; height: 16px; }

/* =================================================================
   Why-us / value columns
   ================================================================= */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.feature { display: flex; flex-direction: column; gap: 12px; }
.feature__icon { width: 50px; height: 50px; border-radius: 12px; background: rgba(0,174,239,0.1); color: var(--color-primary); display: grid; place-items: center; }
.section--dark .feature__icon { background: rgba(0,201,167,0.16); color: var(--color-accent); }
.feature__icon svg { width: 26px; height: 26px; }
.feature__title { font-size: 1.18rem; }
.feature__text { font-size: 0.98rem; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.stat { border-left: 2px solid var(--color-primary); padding-left: 20px; }
.section--dark .stat { border-color: var(--color-accent); }
.stat__num { font-size: clamp(2.2rem, 4vw, 3rem); font-weight: 800; color: var(--color-heading); letter-spacing: -0.03em; }
.section--dark .stat__num { color: #fff; }
.stat__label { font-size: 0.95rem; margin-top: 4px; }

/* =================================================================
   Project cards
   ================================================================= */
.projects-feature { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.project-card {
  display: flex; flex-direction: column; background: #fff;
  border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.project-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }
.project-card__media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--color-bg); }
.project-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.project-card:hover .project-card__media img { transform: scale(1.05); }
.badge {
  display: inline-flex; align-items: center; gap: 6px; font-size: 0.74rem; font-weight: 700;
  letter-spacing: 0.04em; padding: 6px 12px; border-radius: 100px;
  background: rgba(255,255,255,0.92); color: var(--color-dark); backdrop-filter: blur(4px);
}
.project-card__media .badge { position: absolute; top: 14px; left: 14px; }
.badge--solid { background: var(--color-primary); color: #fff; }
.badge--accent { background: rgba(0,201,167,0.15); color: #058a72; }
.project-card__body { padding: 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.project-card__meta { display: flex; align-items: center; gap: 10px; font-size: 0.84rem; color: var(--color-text); font-weight: 500; }
.project-card__meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--color-border); }
.project-card__title { font-size: 1.2rem; }
.project-card__client { font-size: 0.9rem; font-weight: 600; color: var(--color-primary); }
.project-card__desc { font-size: 0.95rem; }

/* Horizontal featured project */
.project-row { display: grid; grid-template-columns: 1.1fr 1fr; gap: 0; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; }
.project-row + .project-row { margin-top: 24px; }
.project-row__media { min-height: 280px; background: var(--color-bg); }
.project-row__media img { width: 100%; height: 100%; object-fit: cover; }
.project-row__body { padding: clamp(28px, 4vw, 48px); display: flex; flex-direction: column; gap: 14px; justify-content: center; }
.project-row:nth-child(even) .project-row__media { order: 2; }

/* =================================================================
   Logos / clients
   ================================================================= */
.logos { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 18px; }
.logo-chip {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 16px 26px; min-width: 150px; height: 72px;
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius);
  font-weight: 700; font-size: 1rem; color: #8a96a6; letter-spacing: 0.01em;
  transition: color var(--t), border-color var(--t);
}
.logo-chip:hover { color: var(--color-dark); border-color: var(--color-primary); }

/* =================================================================
   Serviços — tabs
   ================================================================= */
.tabs { position: sticky; top: 76px; z-index: 40; background: #fff; border-bottom: 1px solid var(--color-border); }
.tabs__track { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; padding-block: 4px; }
.tabs__track::-webkit-scrollbar { display: none; }
.tab {
  flex-shrink: 0; padding: 18px 22px; font-weight: 600; font-size: 0.98rem; color: var(--color-text);
  border-bottom: 3px solid transparent; transition: color var(--t), border-color var(--t); white-space: nowrap;
}
.tab:hover { color: var(--color-dark); }
.tab.is-active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

.panel { display: none; }
.panel.is-active { display: block; animation: fade-up 0.4s ease; }
@keyframes fade-up { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.service-layout { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 5vw, 72px); align-items: start; }
.service-mission { font-size: 1.15rem; color: var(--color-heading); font-weight: 500; line-height: 1.5; margin-top: 16px; }
.service-list { display: grid; gap: 2px; margin-top: 28px; }
.service-list li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--color-border); font-weight: 500; color: var(--color-heading); }
.service-list li svg { width: 22px; height: 22px; color: var(--color-primary); flex-shrink: 0; margin-top: 1px; }

.ref-panel { background: var(--color-bg); border-radius: var(--radius-lg); padding: clamp(24px, 3vw, 36px); }
.ref-panel__title { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-primary); font-weight: 700; margin-bottom: 20px; }
.ref-item { display: flex; flex-direction: column; gap: 4px; padding: 16px 0; border-bottom: 1px solid var(--color-border); }
.ref-item:last-child { border-bottom: 0; }
.ref-item__head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.ref-item__name { font-weight: 700; color: var(--color-heading); font-size: 1.02rem; }
.ref-item__year { font-size: 0.82rem; font-weight: 600; color: var(--color-primary); white-space: nowrap; }
.ref-item__desc { font-size: 0.92rem; }

/* ROI cards */
.roi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin-top: 28px; }
.roi-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 24px; }
.roi-card__value { font-size: 1.6rem; font-weight: 800; color: var(--color-accent); letter-spacing: -0.02em; }
.roi-card__name { font-weight: 700; color: var(--color-heading); margin-top: 8px; }
.roi-card__note { font-size: 0.88rem; margin-top: 2px; }

/* =================================================================
   Projetos — filter grid
   ================================================================= */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.filter {
  padding: 10px 20px; border-radius: 100px; font-weight: 600; font-size: 0.92rem;
  color: var(--color-text); background: var(--color-bg); border: 1px solid transparent;
  transition: var(--t);
}
.filter:hover { color: var(--color-dark); }
.filter.is-active { background: var(--color-dark); color: #fff; }

.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* Projetos de referência dentro de cada especialidade */
.service-refs { margin-top: clamp(44px, 5vw, 68px); }
.service-refs__head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 22px; }
.ref-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.project-card__media--plan { background: #fff; border-bottom: 1px solid var(--color-border); }
.project-card__media--plan img { object-fit: contain; padding: 12px; }
.project-card:hover .project-card__media--plan img { transform: none; }

/* Cards de projeto sem imagem */
.other-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.other-card { display: flex; flex-direction: column; gap: 8px; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 24px; transition: border-color var(--t), box-shadow var(--t); }
.other-card:hover { border-color: transparent; box-shadow: var(--shadow); }
.other-card__meta { display: flex; align-items: center; gap: 10px; font-size: 0.84rem; font-weight: 500; color: var(--color-text); }
.other-card__meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--color-border); }
.other-card__title { font-size: 1.06rem; line-height: 1.35; }
.other-card__desc { font-size: 0.93rem; }

/* Faixa de download do portfólio */
.portfolio-cta { display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; margin-top: clamp(36px, 4vw, 56px); padding: clamp(28px, 3.5vw, 40px); background: var(--color-dark); border-radius: var(--radius-lg); }
.portfolio-cta h3 { color: #fff; font-size: clamp(1.25rem, 2vw, 1.6rem); }
.portfolio-cta p { color: rgba(255,255,255,0.72); margin-top: 6px; max-width: 46ch; }
.portfolio-cta__actions { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.portfolio-cta__mail { color: #fff; font-weight: 600; border-bottom: 1px solid rgba(255,255,255,0.4); }
.portfolio-cta__mail:hover { border-bottom-color: #fff; }
.project-card.is-hidden { display: none; }

/* =================================================================
   Sobre
   ================================================================= */
.about-split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 5vw, 72px); align-items: center; }
.about-media { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4 / 3; box-shadow: var(--shadow); }
.about-media img { width: 100%; height: 100%; object-fit: cover; }
.values-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.value-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 26px 22px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.value-card__icon { width: 48px; height: 48px; border-radius: 12px; background: rgba(0,174,239,0.1); color: var(--color-primary); display: grid; place-items: center; }
.value-card__icon svg { width: 24px; height: 24px; }
.value-card__title { font-weight: 700; color: var(--color-heading); font-size: 1.02rem; }

.address-card { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: start; background: var(--color-bg); border-radius: var(--radius-lg); padding: 32px; }
.address-card__icon { width: 52px; height: 52px; border-radius: 12px; background: var(--color-primary); color: #fff; display: grid; place-items: center; }
.address-card__icon svg { width: 26px; height: 26px; }

/* =================================================================
   Contato
   ================================================================= */
.contact-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(36px, 5vw, 64px); align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 26px; }
.contact-item { display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: start; }
.contact-item__icon { width: 46px; height: 46px; border-radius: 12px; background: var(--color-bg); color: var(--color-primary); display: grid; place-items: center; flex-shrink: 0; }
.contact-item__icon svg { width: 22px; height: 22px; }
.contact-item__label { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 700; color: var(--color-text); }
.contact-item__value { font-weight: 600; color: var(--color-heading); font-size: 1.05rem; }
.contact-item__value a:hover { color: var(--color-primary); }

.form-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: clamp(28px, 4vw, 44px); box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-weight: 600; font-size: 0.9rem; color: var(--color-heading); }
.field .req { color: var(--color-primary); }
.field input, .field select, .field textarea {
  font-family: inherit; font-size: 1rem; color: var(--color-heading);
  padding: 13px 15px; border: 1.5px solid var(--color-border); border-radius: var(--radius-sm);
  background: #fff; transition: border-color var(--t), box-shadow var(--t); width: 100%;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 4px rgba(0,174,239,0.12); }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: #e53e3e; }
.field__error { font-size: 0.82rem; color: #e53e3e; font-weight: 500; display: none; }
.field.has-error .field__error { display: block; }

.check { display: flex; gap: 12px; align-items: flex-start; font-size: 0.92rem; }
.check input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--color-primary); flex-shrink: 0; }
.check a { color: var(--color-primary); font-weight: 600; text-decoration: underline; }

.privacy-note { display: flex; gap: 12px; align-items: flex-start; background: var(--color-bg); border-radius: var(--radius); padding: 16px 18px; font-size: 0.88rem; margin-top: 4px; }
.privacy-note svg { width: 20px; height: 20px; color: var(--color-primary); flex-shrink: 0; margin-top: 1px; }

.form-success { display: none; text-align: center; padding: 24px 0; }
.form-success.is-visible { display: block; animation: fade-up 0.4s ease; }
.form-success__icon { width: 64px; height: 64px; border-radius: 50%; background: rgba(0,201,167,0.14); color: var(--color-accent); display: grid; place-items: center; margin: 0 auto 18px; }
.form-success__icon svg { width: 32px; height: 32px; }

/* =================================================================
   CTA band
   ================================================================= */
.cta-band { position: relative; overflow: hidden; background: var(--color-dark); color: #fff; border-radius: var(--radius-lg); padding: clamp(40px, 6vw, 72px); }
.cta-band__bg { position: absolute; inset: 0; z-index: 0; opacity: 0.22; }
.cta-band__bg img { width: 100%; height: 100%; object-fit: cover; }
.cta-band__inner { position: relative; z-index: 1; max-width: 640px; }
.cta-band h2 { color: #fff; font-size: clamp(1.7rem, 3vw, 2.4rem); }
.cta-band p { color: rgba(255,255,255,0.8); margin-top: 14px; font-size: 1.1rem; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }

/* =================================================================
   Footer
   ================================================================= */
.site-footer { background: var(--color-dark); color: rgba(255,255,255,0.66); padding-block: clamp(48px, 6vw, 76px) 0; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 40px; padding-bottom: 48px; }
.footer .logo__name { color: #fff; }
.footer__tag { margin-top: 18px; font-size: 0.96rem; max-width: 30ch; line-height: 1.6; }
.footer__col-title { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; font-weight: 700; color: #fff; margin-bottom: 18px; }
.footer__links { display: flex; flex-direction: column; gap: 11px; }
.footer__links a { font-size: 0.96rem; transition: color var(--t); }
.footer__links a:hover { color: var(--color-primary); }
.footer__contact { display: flex; flex-direction: column; gap: 14px; font-size: 0.94rem; }
.footer__contact a:hover { color: #fff; }
.footer__contact strong { color: #fff; font-weight: 600; display: block; margin-bottom: 2px; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-block: 24px; display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; align-items: center; font-size: 0.86rem; }
.footer__bottom a:hover { color: #fff; }

/* =================================================================
   Reveal animation
   ================================================================= */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
  .reveal.is-in { opacity: 1; transform: none; }
}

/* =================================================================
   Responsive
   ================================================================= */
@media (max-width: 1024px) {
  .areas-grid, .areas-grid--4, .projects-feature, .projects-grid, .ref-cards, .other-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .stats { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
  .values-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 980px) {
  .nav, .header__cta { display: none; }
  .burger { display: flex; }
}
@media (max-width: 860px) {
  .service-layout, .about-split, .contact-layout { grid-template-columns: 1fr; }
  .project-row { grid-template-columns: 1fr; }
  .project-row:nth-child(even) .project-row__media { order: 0; }
  .project-row__media { min-height: 220px; }
  .feature-grid { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .areas-grid, .areas-grid--4, .projects-feature, .projects-grid, .ref-cards, .other-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr; }
  .hero__actions .btn, .cta-band__actions .btn { flex: 1; }
}