/* ═══════════════════════════════════════════
   TOKENS & RESET
═══════════════════════════════════════════ */
:root {
  --bg:        #09090f;
  --bg2:       #0e0e18;
  --bg3:       #13131f;
  --violet:    #7c3aed;
  --violet-lt: #9d5ff5;
  --yellow:    #f5c518;
  --yellow-dk: #c9a10e;
  --white:     #f0eff7;
  --muted:     #7a7891;
  --border:    rgba(124,58,237,0.18);
  --font-head: 'Syne', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --radius:    12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(.4,0,.2,1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }

/* noise overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: .35;
}

/* ═══════════════════════════════════════════
   UTILITY
═══════════════════════════════════════════ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--yellow);
  background: rgba(245,197,24,.1);
  border: 1px solid rgba(245,197,24,.25);
  padding: 4px 12px;
  border-radius: 99px;
  margin-bottom: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 99px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .9rem;
  letter-spacing: .03em;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}
.btn-violet {
  background: var(--violet);
  color: #fff;
}
.btn-violet:hover { background: var(--violet-lt); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(124,58,237,.4); }

.btn-yellow {
  background: var(--yellow);
  color: #09090f;
}
.btn-yellow:hover { background: #ffe066; transform: translateY(-2px); box-shadow: 0 8px 32px rgba(245,197,24,.35); }

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(240,239,247,.2);
}
.btn-ghost:hover { border-color: var(--violet); color: var(--violet-lt); transform: translateY(-2px); }

/* ═══════════════════════════════════════════
   HEADER / NAV
═══════════════════════════════════════════ */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 0;
  transition: background .4s, backdrop-filter .4s, box-shadow .4s;
}
#header.scrolled {
  background: rgba(9,9,15,.88);
  backdrop-filter: blur(18px);
  box-shadow: 0 1px 0 var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -.02em;
}
.logo-mark {
  width: 36px; height: 36px;
  background: var(--violet);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem; font-weight: 800; color: #fff;
}
.logo-text span { color: var(--yellow); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  font-family: var(--font-body);
  font-size: .88rem;
  font-weight: 500;
  color: var(--muted);
  padding: 8px 14px;
  border-radius: 99px;
  transition: var(--transition);
}
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,.06); }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-on {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 20px;
  background: linear-gradient(135deg, var(--violet), #5b21b6);
  color: #fff;
  border-radius: 99px;
  font-family: var(--font-head);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .04em;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.nav-on::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: conic-gradient(transparent 0deg, rgba(245,197,24,.15) 60deg, transparent 120deg);
  animation: spin 3s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.nav-on span { position: relative; z-index: 1; }
.nav-on:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(124,58,237,.5); }

/* hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  background: transparent;
  border: none;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: rgba(9,9,15,.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 24px;
  flex-direction: column;
  gap: 4px;
  z-index: 999;
  transform: translateY(-10px);
  opacity: 0;
  transition: var(--transition);
}
.mobile-menu.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
}
.mobile-menu a {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 600;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a svg { opacity: .4; }
.mobile-on-link { color: var(--violet-lt) !important; }

/* ═══════════════════════════════════════════
   HERO
═══════════════════════════════════════════ */
#hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124,58,237,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,58,237,.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

.hero-glow {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,58,237,.22) 0%, transparent 70%);
  top: -100px; left: -100px;
  pointer-events: none;
}
.hero-glow2 {
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,197,24,.08) 0%, transparent 70%);
  bottom: 0; right: 10%;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  animation: fadeUp .8s ease both;
}
.hero-dot {
  width: 8px; height: 8px;
  background: var(--yellow);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(245,197,24,.4); }
  50%      { box-shadow: 0 0 0 8px rgba(245,197,24,0); }
}
.hero-eyebrow span {
  font-family: var(--font-body);
  font-size: .82rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.6rem, 7vw, 5.2rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.03em;
  margin-bottom: 24px;
  animation: fadeUp .8s .1s ease both;
}
.hero-title .accent-violet { color: var(--violet-lt); }
.hero-title .accent-yellow { color: var(--yellow); }

.hero-sub {
  font-size: clamp(.95rem, 2vw, 1.15rem);
  font-weight: 400;
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 40px;
  animation: fadeUp .8s .2s ease both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  animation: fadeUp .8s .3s ease both;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,.07);
  animation: fadeUp .8s .4s ease both;
  flex-wrap: wrap;
}
.stat-item {}
.stat-num {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  color: var(--white);
}
.stat-num span { color: var(--yellow); }
.stat-label {
  font-size: .8rem;
  font-weight: 400;
  color: var(--muted);
  margin-top: 4px;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════
   SEÇÃO ON (DESTAQUE)
═══════════════════════════════════════════ */
#section-on {
  padding: 40px 0 80px;
}

.on-card {
  background: linear-gradient(135deg, #130d24 0%, #0e0e1a 50%, #13101d 100%);
  border: 1px solid rgba(124,58,237,.3);
  border-radius: var(--radius-lg);
  padding: 56px 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.on-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--violet), var(--yellow), transparent);
}
.on-card-glow {
  position: absolute;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,58,237,.2) 0%, transparent 70%);
  top: -100px; right: 100px;
  pointer-events: none;
}

.on-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--violet-lt);
  background: rgba(124,58,237,.12);
  border: 1px solid rgba(124,58,237,.3);
  padding: 5px 14px;
  border-radius: 99px;
  margin-bottom: 20px;
}
.on-badge::before {
  content: '';
  width: 7px; height: 7px;
  background: var(--violet-lt);
  border-radius: 50%;
  animation: pulse2 2s infinite;
}
@keyframes pulse2 {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: .5; transform: scale(.7); }
}

.on-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.02em;
  margin-bottom: 16px;
}
.on-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--violet-lt), var(--yellow));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.on-desc {
  font-size: .95rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 400px;
}

.on-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}
.on-feat {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .88rem;
  color: rgba(240,239,247,.75);
}
.on-feat-icon {
  width: 22px; height: 22px;
  background: rgba(124,58,237,.15);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: .7rem;
}

.on-visual {
  position: relative;
}
.on-phone {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 16px;
  max-width: 260px;
  margin: 0 auto;
  box-shadow: 0 40px 80px rgba(0,0,0,.5);
}
.on-phone-top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(124,58,237,.08);
  border-radius: 16px;
  margin-bottom: 12px;
}
.on-phone-avatar {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--violet), #5b21b6);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 800; color: #fff;
  flex-shrink: 0;
}
.on-phone-name { font-size: .82rem; font-weight: 600; }
.on-phone-status { font-size: .7rem; color: #4ade80; }
.on-chat { display: flex; flex-direction: column; gap: 8px; padding: 4px 0; }
.chat-msg {
  padding: 9px 14px;
  border-radius: 14px;
  font-size: .75rem;
  line-height: 1.45;
  max-width: 88%;
}
.chat-in  { background: rgba(255,255,255,.07); align-self: flex-start; border-bottom-left-radius: 4px; }
.chat-out { background: linear-gradient(135deg, var(--violet), #5b21b6); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }
.on-float-badge {
  position: absolute;
  bottom: -10px; right: -10px;
  background: var(--yellow);
  color: #09090f;
  font-family: var(--font-head);
  font-size: .7rem;
  font-weight: 800;
  padding: 8px 14px;
  border-radius: 99px;
  white-space: nowrap;
}

/* ═══════════════════════════════════════════
   SERVICES
═══════════════════════════════════════════ */
#services {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.15;
  margin-bottom: 12px;
}
.section-sub {
  font-size: 1rem;
  color: var(--muted);
  max-width: 480px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: default;
}
.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--violet), var(--yellow));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.service-card:hover { border-color: rgba(124,58,237,.4); transform: translateY(-4px); box-shadow: 0 20px 48px rgba(0,0,0,.3); }
.service-card:hover::after { transform: scaleX(1); }

.service-icon {
  width: 48px; height: 48px;
  background: rgba(124,58,237,.12);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  font-size: 1.3rem;
  transition: var(--transition);
}
.service-card:hover .service-icon { background: rgba(124,58,237,.22); transform: scale(1.1); }
.service-name {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.service-desc {
  font-size: .875rem;
  color: var(--muted);
  line-height: 1.65;
}

.service-card.featured {
  background: linear-gradient(135deg, #130d24, #0e0e1a);
  border-color: rgba(124,58,237,.35);
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}
.service-card.featured .service-icon {
  width: 56px; height: 56px;
  background: rgba(124,58,237,.2);
  font-size: 1.6rem;
}

/* ═══════════════════════════════════════════
   PORTFOLIO
═══════════════════════════════════════════ */
#portfolio {
  padding: 100px 0;
  background: var(--bg2);
}

/* Featured cases */
.featured-cases {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 20px;
  margin-bottom: 56px;
}

.case-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
  background: var(--bg3);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}
.case-card:hover { transform: scale(1.015); box-shadow: 0 24px 60px rgba(0,0,0,.4); }
.case-card:hover .case-overlay { opacity: 1; }

.case-thumb {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: var(--transition);
}
.case-card:hover .case-thumb { transform: scale(1.04); }

/* placeholder thumb */
.case-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -.04em;
}
.ph-blindarte { background: linear-gradient(135deg, #0a0a12, #1a0a2e); color: rgba(124,58,237,.6); }
.ph-clinic    { background: linear-gradient(135deg, #0a1218, #0d1a1a); color: rgba(20,180,160,.5); }
.ph-branding  { background: linear-gradient(135deg, #120a0a, #1e1010); color: rgba(220,50,50,.4); }
.ph-web       { background: linear-gradient(135deg, #0a100a, #101a10); color: rgba(80,200,80,.4); }
.ph-social    { background: linear-gradient(135deg, #0a0a10, #12121e); color: rgba(180,100,240,.4); }
.ph-identity  { background: linear-gradient(135deg, #100a06, #1a1206); color: rgba(245,197,24,.4); }

.case-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(9,9,15,.95) 0%, rgba(9,9,15,.4) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  opacity: 0;
  transition: var(--transition);
}
.case-overlay.always-on { opacity: 1; }

.case-cat {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 6px;
}
.case-title {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 10px;
}
.case-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--violet-lt);
}

/* filters */
.portfolio-filters {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.filter-btn {
  padding: 8px 18px;
  border-radius: 99px;
  font-family: var(--font-body);
  font-size: .82rem;
  font-weight: 500;
  cursor: pointer;
  border: 1.5px solid rgba(255,255,255,.1);
  background: transparent;
  color: var(--muted);
  transition: var(--transition);
}
.filter-btn:hover  { border-color: var(--violet); color: var(--white); }
.filter-btn.active { background: var(--violet); border-color: var(--violet); color: #fff; }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.portfolio-item {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 1;
  background: var(--bg3);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}
.portfolio-item:hover { transform: scale(1.03); box-shadow: 0 16px 40px rgba(0,0,0,.35); }
.portfolio-item:hover .case-overlay { opacity: 1; }

.portfolio-item[data-category].hidden {
  display: none;
}

/* ═══════════════════════════════════════════
   ABOUT
═══════════════════════════════════════════ */
#about {
  padding: 100px 0;
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--violet-lt);
  margin-bottom: 16px;
}
.about-title {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.15;
  margin-bottom: 20px;
}
.about-text {
  font-size: .95rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 14px;
}
.about-text strong { color: var(--white); font-weight: 600; }

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}
.about-tag {
  padding: 6px 14px;
  background: rgba(124,58,237,.1);
  border: 1px solid rgba(124,58,237,.2);
  border-radius: 99px;
  font-size: .78rem;
  font-weight: 500;
  color: rgba(240,239,247,.7);
}

.about-visual {
  position: relative;
}
.about-card-stack {
  position: relative;
  height: 380px;
}
.about-card-bg {
  position: absolute;
  width: 90%;
  aspect-ratio: 16/10;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  bottom: 0; right: 0;
  transform: rotate(3deg);
}
.about-card-main {
  position: absolute;
  width: 90%;
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, #130d24, #0e0e1a);
  border: 1px solid rgba(124,58,237,.3);
  border-radius: var(--radius-lg);
  bottom: 20px; left: 0;
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.about-card-top {
  display: flex;
  align-items: center;
  gap: 12px;
}
.about-card-logo {
  width: 40px; height: 40px;
  background: var(--violet);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head);
  font-size: .8rem;
  font-weight: 800;
  color: #fff;
}
.about-card-name {
  font-family: var(--font-head);
  font-size: .95rem;
  font-weight: 700;
}
.about-card-sub { font-size: .75rem; color: var(--muted); }
.about-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.about-metric {
  text-align: center;
}
.about-metric-num {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--yellow);
}
.about-metric-label { font-size: .68rem; color: var(--muted); }

/* ═══════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════ */
#contact {
  padding: 100px 0;
  background: var(--bg2);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-title {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.15;
  margin-bottom: 16px;
}
.contact-sub {
  font-size: .95rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 36px;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 36px;
}
.channel-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.channel-item:hover { border-color: rgba(124,58,237,.4); transform: translateX(4px); }
.channel-icon {
  width: 40px; height: 40px;
  background: rgba(124,58,237,.12);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.channel-label { font-size: .75rem; color: var(--muted); }
.channel-value { font-weight: 600; font-size: .9rem; }

.contact-form {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.form-group {
  margin-bottom: 20px;
}
.form-label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.form-input,
.form-textarea {
  width: 100%;
  background: rgba(255,255,255,.04);
  border: 1.5px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 13px 16px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: .9rem;
  transition: var(--transition);
  outline: none;
}
.form-input:focus,
.form-textarea:focus {
  border-color: var(--violet);
  background: rgba(124,58,237,.05);
}
.form-textarea { resize: vertical; min-height: 110px; }
.form-input::placeholder,
.form-textarea::placeholder { color: rgba(122,120,145,.5); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-submit {
  width: 100%;
  padding: 15px;
  background: var(--violet);
  color: #fff;
  border: none;
  border-radius: 99px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .95rem;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: .03em;
}
.form-submit:hover { background: var(--violet-lt); transform: translateY(-2px); box-shadow: 0 10px 36px rgba(124,58,237,.4); }

/* ═══════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════ */
footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 56px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: .875rem;
  color: var(--muted);
  line-height: 1.7;
  margin: 16px 0 24px;
  max-width: 280px;
}

.footer-socials {
  display: flex;
  gap: 10px;
}
.social-btn {
  width: 36px; height: 36px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem;
  transition: var(--transition);
  cursor: pointer;
}
.social-btn:hover { border-color: var(--violet); background: rgba(124,58,237,.12); }

.footer-col h4 {
  font-family: var(--font-head);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  font-size: .875rem;
  color: rgba(240,239,247,.55);
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.06);
  font-size: .78rem;
  color: rgba(122,120,145,.5);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom a { color: var(--violet-lt); }

/* ═══════════════════════════════════════════
   FAQ
═══════════════════════════════════════════ */
#faq {
  padding: 100px 0;
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 80px;
  align-items: start;
}

.faq-intro {
  position: sticky;
  top: 100px;
}
.faq-intro .section-title { text-align: left; font-size: clamp(1.6rem, 2.8vw, 2.2rem); }
.faq-intro .section-sub   { text-align: left; max-width: 100%; margin: 0 0 28px; }
.faq-contact-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--violet-lt);
  padding: 11px 20px;
  border: 1.5px solid rgba(124,58,237,.3);
  border-radius: 99px;
  transition: var(--transition);
}
.faq-contact-cta:hover { background: rgba(124,58,237,.08); border-color: var(--violet); }

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item.open { border-color: rgba(124,58,237,.35); }

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  cursor: pointer;
  background: var(--bg2);
  transition: background var(--transition);
  list-style: none;
  user-select: none;
}
.faq-question::-webkit-details-marker { display: none; }
.faq-item.open .faq-question { background: rgba(124,58,237,.06); }
.faq-question:hover { background: rgba(124,58,237,.06); }

.faq-q-text {
  font-family: var(--font-head);
  font-size: .95rem;
  font-weight: 600;
  line-height: 1.4;
}
.faq-icon {
  width: 28px; height: 28px;
  background: rgba(124,58,237,.12);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition), background var(--transition);
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: rgba(124,58,237,.25);
}
.faq-icon svg { display: block; }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s cubic-bezier(.4,0,.2,1), padding .3s ease;
}
.faq-answer-inner {
  padding: 0 24px 22px;
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.75;
}
.faq-answer-inner strong { color: var(--white); font-weight: 600; }

@media (max-width: 900px) {
  .faq-grid { grid-template-columns: 1fr; gap: 40px; }
  .faq-intro { position: static; }
}

/* ═══════════════════════════════════════════
   SCROLL TO TOP
═══════════════════════════════════════════ */
#scroll-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 44px; height: 44px;
  background: var(--violet);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(10px);
  z-index: 900;
  border: none;
  color: #fff;
}
#scroll-top.visible { opacity: 1; transform: translateY(0); }
#scroll-top:hover { background: var(--violet-lt); transform: translateY(-3px); }

/* ═══════════════════════════════════════════
   RESPONSIVE — TABLET 768px
═══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .services-grid        { grid-template-columns: repeat(2, 1fr); }
  .service-card.featured { grid-column: span 2; }
  .featured-cases       { grid-template-columns: 1fr; }
  .featured-cases .case-card:first-child { aspect-ratio: 16/9; }
  .portfolio-grid       { grid-template-columns: repeat(3, 1fr); }
  .about-inner          { grid-template-columns: 1fr; gap: 48px; }
  .about-card-stack     { height: 280px; }
  .contact-inner        { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid          { grid-template-columns: 1fr 1fr; gap: 36px; }
  .on-card              { grid-template-columns: 1fr; gap: 36px; padding: 40px 36px; }
}

@media (max-width: 768px) {
  .nav-links, .nav-on { display: none; }
  .hamburger { display: flex; }

  .hero-title { font-size: clamp(2rem, 10vw, 3rem); }
  .hero-stats { gap: 24px; }

  .services-grid { grid-template-columns: 1fr; }
  .service-card.featured { grid-column: 1; display: flex; flex-direction: column; }

  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-filters { gap: 6px; }
  .filter-btn { font-size: .76rem; padding: 6px 14px; }

  .about-card-stack { height: 220px; }

  .contact-form { padding: 28px 24px; }
  .form-row { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .on-card { padding: 32px 24px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-stats .stat-item:last-child { display: none; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .hero-actions .btn { padding: 11px 20px; font-size: .83rem; }
  .btn { padding: 11px 22px; font-size: .85rem; }
}

/* ═══════════════════════════════════════════
   SECTION REVEAL (Intersection Observer)
═══════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }

/* ═══════════════════════════════════════════
   SINGLE CASE — página individual
═══════════════════════════════════════════ */
.single-case-main { padding-top: 72px; }

.case-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 40px;
  transition: var(--transition);
  padding-top: 40px;
}
.case-back:hover { color: var(--white); }

.case-hero { padding: 20px 0 80px; background: var(--bg2); }

.case-hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.case-hero-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.1;
  margin-bottom: 16px;
}

.case-hero-excerpt {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 28px;
}

.case-meta {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 28px;
}
.case-meta-item {
  display: flex;
  gap: 16px;
  font-size: .875rem;
}
.case-meta-label {
  color: var(--muted);
  font-weight: 600;
  min-width: 80px;
  flex-shrink: 0;
}
.case-meta-value { color: var(--white); }

.case-hero-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.case-content-section { padding: 80px 0; }
.case-content {
  max-width: 760px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(240,239,247,.8);
}
.case-content h2 { font-family: var(--font-head); font-size: 1.6rem; font-weight: 700; margin: 40px 0 16px; }
.case-content h3 { font-family: var(--font-head); font-size: 1.2rem; font-weight: 700; margin: 32px 0 12px; }
.case-content p  { margin-bottom: 20px; }
.case-content img { border-radius: var(--radius); border: 1px solid var(--border); margin: 32px 0; }

.case-related { padding: 80px 0; background: var(--bg2); }
.portfolio-grid--3col { grid-template-columns: repeat(3, 1fr) !important; }

/* ═══════════════════════════════════════════
   ARCHIVE CASES
═══════════════════════════════════════════ */
#portfolio-archive { background: var(--bg); padding: 120px 0 100px; }
#portfolio-archive .portfolio-grid { grid-template-columns: repeat(3, 1fr); }

/* ═══════════════════════════════════════════
   NO CASES message
═══════════════════════════════════════════ */
.no-cases {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 0;
  color: var(--muted);
}

/* ═══════════════════════════════════════════
   RESPONSIVE EXTRAS — single/archive
═══════════════════════════════════════════ */
@media (max-width: 900px) {
  .case-hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .portfolio-grid--3col { grid-template-columns: repeat(2, 1fr) !important; }
  #portfolio-archive .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .portfolio-grid--3col { grid-template-columns: repeat(2, 1fr) !important; }
  #portfolio-archive .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .case-hero { padding: 10px 0 60px; }
}