/* ====================================================================
   Denis Moriama — Arquitetura & Construção
   Editorial site
   ==================================================================== */

:root {
  --navy: #0A1F44;
  --navy-deep: #061634;
  --gold: #C5A059;
  --gold-soft: #d9bd84;
  --ivory: #F4F1EC;
  --paper: #FAF8F4;
  --concrete: #E5E1D9;
  --wood: #8B5E3C;
  --ink: #0B0F1A;
  --ink-2: #1c2236;
  --muted: rgba(11, 15, 26, 0.58);
  --line: rgba(10, 31, 68, 0.14);
  --line-on-dark: rgba(245, 241, 232, 0.18);

  --display: "Cormorant Garamond", "Cormorant", "Times New Roman", serif;
  --sans: "Montserrat", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --num: "Montserrat", -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11", "tnum";
  letter-spacing: -0.005em;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* ─── Utility ─── */
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
}
.eyebrow .dot {
  display: inline-block;
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--gold);
  vertical-align: middle;
  margin: 0 10px 3px 10px;
}
.section {
  padding: clamp(80px, 11vw, 160px) clamp(24px, 6vw, 96px);
  position: relative;
}
.section-dark {
  background: var(--navy);
  color: var(--ivory);
}
.container {
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
}
.display {
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 0.98;
}
.display .it { font-style: italic; color: var(--gold); }

/* ─── Header ─── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px clamp(24px, 6vw, 64px);
  color: var(--ivory);
  transition: background 0.35s ease, color 0.35s ease, padding 0.35s ease, border-color 0.35s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  color: var(--ink);
  padding-top: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.nav-logo {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.nav-logo .mark {
  font-family: var(--display);
  font-size: 24px;
  letter-spacing: 0.02em;
  font-weight: 500;
}
.nav-logo .sub {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.7;
}
.nav-links {
  display: flex;
  gap: clamp(16px, 2.4vw, 36px);
  font-size: 13px;
  letter-spacing: 0.04em;
}
.nav-links a {
  position: relative;
  padding: 6px 0;
  transition: opacity 0.2s;
}
.nav-links a:hover { opacity: 0.65; }
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}
.nav.scrolled .nav-cta {
  background: var(--navy);
  color: var(--ivory);
  border-color: var(--navy);
}
.nav-cta:hover {
  background: var(--gold);
  color: var(--navy);
  border-color: var(--gold);
}
.nav.scrolled .nav-cta:hover { background: var(--gold); color: var(--navy); border-color: var(--gold);}

/* ─── Hero ─── */
.hero {
  position: relative;
  height: 100vh;
  min-height: 720px;
  color: var(--ivory);
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('assets/projeto-01-fachada-noturna.webp');
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
}
.hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(6,18,40,0.55) 0%, rgba(6,18,40,0.15) 40%, rgba(6,18,40,0.85) 100%),
    linear-gradient(90deg, rgba(6,18,40,0.55) 0%, rgba(6,18,40,0) 50%);
}
.hero-content {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 clamp(24px, 6vw, 96px) clamp(48px, 7vw, 96px);
  max-width: 1440px;
  margin: 0 auto;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: clamp(24px, 5vw, 80px);
  align-items: end;
}
.hero h1 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(58px, 8.4vw, 148px);
  line-height: 0.92;
  letter-spacing: -0.02em;
  margin: 24px 0 0;
  max-width: 14ch;
}
.hero h1 em {
  font-style: italic;
  color: var(--gold-soft);
}
.hero-side {
  padding-bottom: 12px;
  border-left: 1px solid var(--line-on-dark);
  padding-left: clamp(20px, 2.4vw, 32px);
}
.hero-side p {
  font-size: 15px;
  line-height: 1.65;
  color: rgba(244, 241, 232, 0.85);
  margin: 0 0 24px;
  max-width: 36ch;
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(244, 241, 232, 0.7);
}
.hero-meta::before {
  content: "";
  width: 28px; height: 1px;
  background: var(--gold);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 18px 28px;
  background: var(--gold);
  color: var(--navy);
  border: none;
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  transition: transform 0.2s, background 0.2s;
}
.btn-primary:hover { background: #d6b46a; transform: translateY(-2px); }
.btn-primary .arr {
  width: 22px; height: 1px; background: currentColor; position: relative;
}
.btn-primary .arr::after {
  content: ""; position: absolute; right: 0; top: -3px;
  width: 7px; height: 7px;
  border-top: 1px solid currentColor; border-right: 1px solid currentColor;
  transform: rotate(45deg);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 26px;
  background: transparent;
  color: currentColor;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background 0.25s, color 0.25s;
}
.btn-ghost:hover { background: currentColor; color: var(--navy); }
.btn-ghost:hover .arr { color: var(--navy); }

.hero-bottom {
  position: absolute;
  bottom: 36px; left: clamp(24px, 6vw, 96px); right: clamp(24px, 6vw, 96px);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(244, 241, 232, 0.6);
  pointer-events: none;
}
.hero-bottom .scroll {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.hero-bottom .scroll-line {
  width: 1px; height: 36px; background: var(--gold);
  animation: drip 2.4s ease-in-out infinite;
  transform-origin: top;
}
@keyframes drip {
  0%, 100% { transform: scaleY(0.3); opacity: 0.4; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* ─── Intro / Numbers ─── */
.intro {
  background: var(--paper);
  padding: clamp(96px, 11vw, 160px) clamp(24px, 6vw, 96px) clamp(48px, 6vw, 80px);
}
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: clamp(48px, 8vw, 120px);
  align-items: start;
}
.intro h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(36px, 4.4vw, 64px);
  line-height: 1.04;
  margin: 16px 0 0;
  letter-spacing: -0.015em;
  max-width: 14ch;
}
.intro h2 em { font-style: italic; color: var(--navy); }
.intro p {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(11, 15, 26, 0.72);
  margin: 0 0 20px;
}
.intro p + p { margin-top: -4px; }

.numbers {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  margin-top: clamp(64px, 9vw, 120px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.num {
  background: var(--paper);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.num .v {
  font-family: var(--num);
  font-size: clamp(48px, 5.4vw, 80px);
  font-weight: 700;
  line-height: 1;
  color: var(--navy);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}
.num .v .plus { font-size: 0.55em; color: var(--gold); vertical-align: top; margin-right: 4px; font-weight: 600; }
.num .v .unit { font-size: 0.36em; color: var(--muted); margin-left: 6px; font-family: var(--num); letter-spacing: 0; font-weight: 500; }
.num .label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 12px;
  max-width: 22ch;
}

/* ─── Portfolio ─── */
.portfolio {
  padding: clamp(96px, 11vw, 160px) clamp(24px, 6vw, 96px);
  background: var(--paper);
}
.portfolio-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: end;
  margin-bottom: clamp(48px, 6vw, 80px);
}
.portfolio-head h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(40px, 5.4vw, 88px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 14px 0 0;
  max-width: 12ch;
}
.portfolio-head h2 em { font-style: italic; color: var(--gold); }
.portfolio-head p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 42ch;
  margin: 0;
}
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.filter {
  padding: 9px 18px;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  transition: all 0.2s;
}
.filter:hover { color: var(--navy); border-color: var(--navy); }
.filter.active { background: var(--navy); color: var(--ivory); border-color: var(--navy); }

.proj-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(20px, 2.6vw, 36px) clamp(20px, 2.6vw, 36px);
}
.proj {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.proj-img {
  position: relative;
  overflow: hidden;
  background: var(--concrete);
}
.proj-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.9s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.proj:hover .proj-img img { transform: scale(1.04); }
.proj-meta {
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-top: 1px solid var(--line);
  margin-top: 16px;
}
.proj-meta h3 {
  font-family: var(--display);
  font-weight: 400;
  font-size: 26px;
  margin: 0;
  letter-spacing: -0.005em;
}
.proj-meta .info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}
.proj-meta .cat {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}
.proj-meta .loc {
  font-size: 12px;
  color: var(--muted);
}

/* Asymmetric portfolio layout */
.p-tall { grid-column: span 7; }
.p-tall .proj-img { aspect-ratio: 4 / 3.2; }
.p-short { grid-column: span 5; }
.p-short .proj-img { aspect-ratio: 4 / 3.2; }
.p-wide { grid-column: span 8; }
.p-wide .proj-img { aspect-ratio: 16 / 9; }
.p-side { grid-column: span 4; }
.p-side .proj-img { aspect-ratio: 4 / 4.5; }
.p-full { grid-column: span 12; }
.p-full .proj-img { aspect-ratio: 16 / 8; }

.portfolio-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: clamp(48px, 6vw, 72px);
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.portfolio-footer .count {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ─── Sobre o Arquiteto ─── */
.about {
  background: var(--navy);
  color: var(--ivory);
  padding: clamp(96px, 11vw, 160px) clamp(24px, 6vw, 96px);
  position: relative;
  overflow: hidden;
}
.about-bg-num {
  position: absolute;
  font-family: var(--display);
  font-size: clamp(280px, 38vw, 540px);
  line-height: 0.8;
  font-weight: 400;
  font-style: italic;
  color: rgba(197, 160, 89, 0.06);
  top: -40px;
  right: -40px;
  pointer-events: none;
  user-select: none;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(56px, 7vw, 120px);
  align-items: start;
  position: relative;
}
.about-photo {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--navy-deep);
  border: 1px solid var(--line-on-dark);
}
.about-photo .ph {
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    135deg,
    rgba(197, 160, 89, 0.07) 0 2px,
    transparent 2px 14px
  ), linear-gradient(180deg, #0f2754, #061634);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px;
}
.about-photo .ph-mark {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(197, 160, 89, 0.75);
  text-align: center;
}
.about-photo .ph-name {
  font-family: var(--display);
  font-style: italic;
  font-size: 36px;
  color: rgba(244, 241, 232, 0.85);
}
.about-tag {
  position: absolute;
  left: -1px; bottom: -1px;
  background: var(--gold);
  color: var(--navy);
  padding: 14px 22px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
}
.about h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(40px, 5.2vw, 80px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 18px 0 32px;
  max-width: 16ch;
}
.about h2 em { font-style: italic; color: var(--gold); }
.about p {
  font-size: 16px;
  line-height: 1.78;
  color: rgba(244, 241, 232, 0.78);
  margin: 0 0 18px;
  max-width: 56ch;
}
.about-quote {
  margin: 36px 0 36px;
  padding: 24px 0 24px 28px;
  border-left: 1px solid var(--gold);
  font-family: var(--display);
  font-style: italic;
  font-size: 22px;
  line-height: 1.4;
  color: rgba(244, 241, 232, 0.95);
  max-width: 50ch;
}
.about-quote cite {
  display: block;
  font-family: var(--mono);
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 14px;
}
.about-skills {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line-on-dark);
  margin: 40px 0 32px;
  border-top: 1px solid var(--line-on-dark);
  border-bottom: 1px solid var(--line-on-dark);
}
.about-skills .sk {
  background: var(--navy);
  padding: 20px 0;
  display: flex; align-items: center; gap: 14px;
}
.about-skills .sk .n {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 0.12em;
}
.about-skills .sk .t {
  font-size: 14px;
  letter-spacing: 0.01em;
}

/* ─── Depoimentos ─── */
.testi {
  background: var(--ivory);
  padding: clamp(96px, 11vw, 160px) clamp(24px, 6vw, 96px);
}
.testi-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: clamp(48px, 6vw, 72px);
  gap: 40px;
  flex-wrap: wrap;
}
.testi-head h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(36px, 4.6vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 14px 0 0;
  max-width: 14ch;
}
.testi-head h2 em { font-style: italic; color: var(--gold); }
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.testi-card {
  background: var(--ivory);
  padding: 40px 36px 36px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-height: 360px;
}
.testi-card .quote-mark {
  font-family: var(--display);
  font-size: 80px;
  line-height: 0.6;
  color: var(--gold);
}
.testi-card .quote {
  font-family: var(--display);
  font-style: italic;
  font-size: 22px;
  line-height: 1.4;
  color: var(--navy);
  flex: 1;
  letter-spacing: -0.005em;
}
.testi-card .author {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.testi-card .author strong { color: var(--navy); font-weight: 600; }

/* ─── Blog ─── */
.blog {
  padding: clamp(96px, 11vw, 160px) clamp(24px, 6vw, 96px);
  background: var(--paper);
}
.blog-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: end;
  margin-bottom: clamp(48px, 6vw, 72px);
}
.blog-head h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(36px, 4.6vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 14px 0 0;
  max-width: 14ch;
}
.blog-head h2 em { font-style: italic; color: var(--gold); }
.blog-head p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 42ch;
  margin: 0;
}
.blog-list {
  border-top: 1px solid var(--line);
}
.blog-row {
  display: grid;
  grid-template-columns: 80px 1fr 1.5fr 1fr auto;
  gap: clamp(20px, 3vw, 48px);
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  align-items: center;
  cursor: pointer;
  transition: padding 0.3s ease;
}
.blog-row:hover { padding-left: 18px; }
.blog-row .num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.16em;
}
.blog-row .cat {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.blog-row h3 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(22px, 2.2vw, 32px);
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--navy);
}
.blog-row .date {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.blog-row .arrow {
  font-size: 22px;
  color: var(--gold);
  transition: transform 0.3s;
}
.blog-row:hover .arrow { transform: translateX(8px); }

/* ─── Final CTA ─── */
.cta {
  background: var(--navy);
  color: var(--ivory);
  padding: clamp(96px, 13vw, 200px) clamp(24px, 6vw, 96px);
  position: relative;
  overflow: hidden;
}
.cta-img {
  position: absolute; inset: 0;
  background-image: url('assets/projeto-04-quarto-luxo.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  filter: saturate(0.4);
}
.cta-content {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}
.cta h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(42px, 6.4vw, 104px);
  line-height: 1.0;
  letter-spacing: -0.02em;
  margin: 28px auto 32px;
  max-width: 18ch;
}
.cta h2 em { font-style: italic; color: var(--gold); }
.cta p {
  font-size: 18px;
  line-height: 1.6;
  color: rgba(244, 241, 232, 0.78);
  max-width: 60ch;
  margin: 0 auto 48px;
}
.cta-buttons {
  display: inline-flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ─── Footer ─── */
.footer {
  background: var(--navy-deep);
  color: rgba(244, 241, 232, 0.7);
  padding: 80px clamp(24px, 6vw, 96px) 32px;
  border-top: 1px solid rgba(197, 160, 89, 0.2);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  padding-bottom: 64px;
  border-bottom: 1px solid var(--line-on-dark);
}
.footer-col h4 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 24px;
  font-weight: 500;
}
.footer-brand .mark {
  font-family: var(--display);
  font-size: 36px;
  color: var(--ivory);
  margin-bottom: 8px;
  line-height: 1;
  letter-spacing: 0.005em;
}
.footer-brand .tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  max-width: 38ch;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.footer-col a { font-size: 14px; transition: color 0.2s; }
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(244, 241, 232, 0.5);
  gap: 24px;
  flex-wrap: wrap;
}
.footer-bottom .links { display: flex; gap: 28px; }

/* ─── Project modal ─── */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(6, 18, 40, 0.72);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: flex; align-items: center; justify-content: center;
  padding: 40px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.modal-backdrop.open { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--paper);
  width: 100%;
  max-width: 1100px;
  max-height: 90vh;
  overflow: auto;
  border-radius: 4px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  transform: translateY(20px);
  transition: transform 0.4s ease;
}
.modal-backdrop.open .modal { transform: translateY(0); }
.modal-img {
  background: var(--concrete);
  min-height: 480px;
  background-size: cover;
  background-position: center;
}
.modal-body { padding: 48px; }
.modal-body .eyebrow { color: var(--gold); }
.modal-body h3 {
  font-family: var(--display);
  font-weight: 400;
  font-size: 48px;
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 12px 0 24px;
}
.modal-body h3 em { font-style: italic; color: var(--gold); }
.modal-body p { font-size: 15px; line-height: 1.7; color: var(--muted); margin: 0 0 16px; }
.modal-body dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px 24px;
  margin: 24px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.modal-body dt {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 2px;
}
.modal-body dd { margin: 0; font-size: 14px; color: var(--navy); }
.modal-close {
  position: absolute; top: 24px; right: 24px;
  width: 44px; height: 44px;
  background: var(--navy);
  color: var(--ivory);
  border: none;
  border-radius: 50%;
  font-size: 16px;
}
.modal-wrap { position: relative; }

/* ─── Reveal on scroll ─── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s ease, transform 0.9s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Responsive ─── */
@media (max-width: 980px) {
  .nav-links { display: none; }
  .hero-grid { grid-template-columns: 1fr; gap: 24px; }
  .hero-side { border-left: none; padding-left: 0; padding-top: 24px; border-top: 1px solid var(--line-on-dark); }
  .intro-grid, .portfolio-head, .blog-head, .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .numbers { grid-template-columns: repeat(2, 1fr); }
  .p-tall, .p-short, .p-wide, .p-side, .p-full { grid-column: span 12; }
  .testi-grid { grid-template-columns: 1fr; }
  .blog-row { grid-template-columns: auto 1fr auto; gap: 16px; }
  .blog-row .cat, .blog-row .date { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .modal { grid-template-columns: 1fr; }
  .modal-img { min-height: 240px; }
}

/* ====================================================================
   GLASS THEME — Liquid glass layer
   Aplica vidro fosco em superfícies-chave (nav, cards, filtros, modal,
   botões) sem alterar a tipografia editorial original.
   ==================================================================== */

/* Floating glass nav */
.nav {
  top: 14px;
  left: 50%;
  right: auto;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 1320px;
  padding: 14px 18px 14px 26px;
  border-radius: 100px;
  background: rgba(10, 21, 44, 0.30);
  -webkit-backdrop-filter: blur(26px) saturate(180%);
  backdrop-filter: blur(26px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18),
              inset 0 1px 0 rgba(255, 255, 255, 0.10);
  transition: background 0.4s ease, color 0.4s ease, border-color 0.4s ease,
              box-shadow 0.4s ease;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.nav.scrolled {
  background: rgba(250, 248, 244, 0.62);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 10px 36px rgba(10, 31, 68, 0.10),
              inset 0 1px 0 rgba(255, 255, 255, 0.9);
  padding: 14px 18px 14px 26px;
}
.nav-cta {
  background: rgba(255, 255, 255, 0.12);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
}
.nav.scrolled .nav-cta {
  background: var(--navy);
}

/* Glass hero meta pills */
.hero-meta {
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.08);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
}
.hero-meta::before { display: none; }

/* Glass number cards */
.numbers {
  background: transparent;
  border: none;
  gap: 14px;
}
.num {
  background: rgba(255, 255, 255, 0.55);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 22px;
  box-shadow: 0 8px 28px rgba(10, 31, 68, 0.06),
              inset 0 1px 0 rgba(255, 255, 255, 0.9);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.num:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 48px rgba(10, 31, 68, 0.12);
}

/* Glass filters segmented pill */
.filters {
  display: inline-flex;
  padding: 6px;
  gap: 4px;
  background: rgba(255, 255, 255, 0.55);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 4px 16px rgba(10, 31, 68, 0.06);
  margin-bottom: 40px;
  padding-bottom: 6px;
}
.filter {
  border: none;
  background: transparent;
}
.filter:hover { background: rgba(10, 21, 44, 0.06); border: none; }
.filter.active { box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18); }

/* Glass project image cards */
.proj-img {
  border-radius: 20px;
  box-shadow: 0 8px 28px rgba(10, 31, 68, 0.08);
  transition: transform 0.5s ease, box-shadow 0.5s ease;
}
.proj:hover .proj-img {
  transform: translateY(-4px);
  box-shadow: 0 20px 52px rgba(10, 31, 68, 0.16);
}

/* Glass about skills */
.about-skills {
  background: transparent;
  border: none;
  gap: 10px;
}
.about-skills .sk {
  background: rgba(255, 255, 255, 0.05);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 16px;
  padding: 18px 20px;
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}
.about-skills .sk:hover {
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(197, 160, 89, 0.30);
  transform: translateY(-2px);
}

/* Glass about quote */
.about-quote {
  padding: 24px 28px;
  background: rgba(255, 255, 255, 0.04);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(197, 160, 89, 0.22);
  border-left: 2px solid var(--gold);
  border-radius: 18px;
}

/* Glass photo placeholder card */
.about-photo {
  border-radius: 24px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.30);
}
.about-tag {
  left: 16px; bottom: 16px;
  border-radius: 999px;
  background: rgba(197, 160, 89, 0.92);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

/* Real photo of Denis — replaces gradient placeholder */
.about-photo.about-photo--real {
  aspect-ratio: auto;
  background: transparent;
  border: none;
  box-shadow: none;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 0;
  overflow: visible;
}
.about-photo--real .about-photo-img {
  width: 100%;
  max-width: 380px;
  height: auto;
  display: block;
  filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.45))
          drop-shadow(0 0 60px rgba(197, 160, 89, 0.18));
  border-radius: 50%;
  background: var(--navy-deep);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.about-photo--real:hover .about-photo-img { transform: scale(1.025); }
.about-photo--real .about-tag {
  position: absolute;
  left: 50%;
  bottom: 6%;
  transform: translateX(-50%);
}

/* Logo mark in the nav */
.nav-logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(197, 160, 89, 0.50);
}
.nav-logo { gap: 12px; align-items: center; }
.nav.scrolled .nav-logo-mark { border-color: rgba(10, 31, 68, 0.18); }
@media (max-width: 760px) {
  .nav-logo-mark { width: 28px; height: 28px; border-radius: 7px; }
  .about-photo--real { padding: 14px 0; }
  .about-photo--real .about-photo-img { max-width: 260px; }
}

/* Glass testimonial cards */
.testi-grid {
  background: transparent;
  border: none;
  gap: 14px;
}
.testi-card {
  background: rgba(255, 255, 255, 0.62);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 22px;
  box-shadow: 0 8px 28px rgba(10, 31, 68, 0.06),
              inset 0 1px 0 rgba(255, 255, 255, 0.9);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.testi-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 48px rgba(10, 31, 68, 0.12);
}

/* Glass blog rows */
.blog-list {
  border-top: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.blog-row {
  padding: 22px 28px;
  background: rgba(255, 255, 255, 0.55);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 20px;
  box-shadow: 0 4px 14px rgba(10, 31, 68, 0.04);
  transition: transform 0.35s ease, background 0.35s ease, box-shadow 0.35s ease;
}
.blog-row:hover {
  padding-left: 28px;
  background: rgba(255, 255, 255, 0.85);
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(10, 31, 68, 0.10);
}

/* Glass buttons — preserva tamanhos originais, só ganha brilho */
.btn-primary {
  box-shadow: 0 6px 22px rgba(197, 160, 89, 0.28);
  transition: transform 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}
.btn-primary:hover {
  background: #d6b46a;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 32px rgba(197, 160, 89, 0.42);
}
.btn-primary:active { transform: scale(0.98); transition-duration: 0.1s; }

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease,
              transform 0.3s ease, box-shadow 0.3s ease;
}
.btn-ghost:hover { transform: translateY(-2px) scale(1.02); }

/* Glass modal */
.modal-backdrop {
  background: rgba(6, 18, 40, 0.55);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}
.modal {
  background: rgba(250, 248, 244, 0.88);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  backdrop-filter: blur(40px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 24px;
  transform: translateY(24px) scale(0.97);
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.38);
}
.modal-backdrop.open .modal { transform: translateY(0) scale(1); }
.modal-close {
  background: rgba(255, 255, 255, 0.85);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  color: var(--navy);
  border: 1px solid rgba(255, 255, 255, 0.85);
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
}
.modal-close:hover {
  transform: scale(1.08) rotate(90deg);
  background: var(--navy);
  color: var(--ivory);
}

/* Sutil glow no portfolio para destacar os cards de vidro */
.portfolio {
  background: linear-gradient(180deg, var(--paper) 0%, #f1eee6 100%);
}
.testi {
  background: linear-gradient(180deg, var(--ivory) 0%, #ece8df 100%);
}
.blog {
  background: linear-gradient(180deg, #f1eee6 0%, var(--paper) 100%);
}

/* ====================================================================
   PRÉ-PROJETO IA — conversion section
   ==================================================================== */

   FLOATING WHATSAPP
   ==================================================================== */
.float-wa {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 60;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px 14px 18px;
  background: #25D366;
  color: #fff;
  border-radius: 999px;
  box-shadow: 0 12px 36px rgba(37, 211, 102, 0.45),
              0 4px 14px rgba(0, 0, 0, 0.15);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.005em;
  opacity: 0;
  transform: translateY(20px) scale(0.9);
  pointer-events: none;
  transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.45s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.3s ease;
}
.float-wa.in {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.float-wa:hover {
  box-shadow: 0 18px 50px rgba(37, 211, 102, 0.60);
  transform: translateY(-3px) scale(1.04);
}
.float-wa:active { transform: scale(0.98); }
.float-wa-pulse { display: none; }
@keyframes wapulse { 0% { transform: scale(1); opacity: 0; } 100% { transform: scale(1); opacity: 0; } }
  100% { transform: scale(1.5); opacity: 0; }
}
.float-wa svg, .float-wa-lbl { position: relative; }

@media (max-width: 560px) {
  .float-wa {
    bottom: 16px;
    right: 16px;
    padding: 13px 20px 13px 16px;
    font-size: 13px;
  }
  .float-wa-lbl { display: none; }
  .float-wa { padding: 14px; }
}
@media (max-width: 980px) {
  .nav { width: calc(100% - 16px); padding: 10px 8px 10px 18px; top: 10px; }
  .nav.scrolled { padding: 10px 8px 10px 18px; }
  .nav-logo .mark { font-size: 19px; }
  .nav-logo .sub { display: none; }
  .nav-cta { padding: 9px 14px; font-size: 10.5px; letter-spacing: 0.06em; gap: 6px; }
}

@media (max-width: 760px) {
  /* Tipografia respira melhor em telas pequenas */
  .hero { min-height: 100svh; height: 100svh; }
  .hero-content { padding: 100px 20px 110px; }
  .hero h1 {
    font-size: clamp(44px, 13vw, 72px);
    line-height: 0.96;
    margin: 18px 0 0;
    max-width: 12ch;
  }
  .hero-side { padding-top: 20px; margin-top: 20px; }
  .hero-side p { font-size: 14.5px; }
  .btn-primary { padding: 15px 22px; font-size: 12px; gap: 10px; }
  .btn-primary .arr { width: 18px; }
  .btn-ghost { padding: 13px 20px; font-size: 11px; }
  .hero-bottom {
    bottom: 20px; left: 16px; right: 16px;
    font-size: 9px; letter-spacing: 0.16em;
    gap: 12px;
  }
  .hero-bottom .hero-meta { padding: 6px 10px; font-size: 9px; }
  .hero-bottom .scroll { display: none; }

  /* Intro */
  .intro { padding: 72px 20px 24px; }
  .intro-grid { grid-template-columns: 1fr; gap: 24px; }
  .intro h2 { font-size: clamp(32px, 9vw, 44px); max-width: none; }
  .intro p { font-size: 15.5px; line-height: 1.65; }
  .numbers { grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 40px; }
  .num { padding: 24px 20px; border-radius: 18px; }
  .num .v { font-size: clamp(40px, 12vw, 56px); }
  .num .label { font-size: 9.5px; letter-spacing: 0.12em; margin-top: 8px; }

  /* Portfolio */
  .portfolio { padding: 72px 20px; }
  .portfolio-head { grid-template-columns: 1fr; gap: 20px; margin-bottom: 32px; }
  .portfolio-head h2 { font-size: clamp(34px, 10vw, 52px); max-width: none; }
  .portfolio-head p { font-size: 15px; }
  .filters {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    border-radius: 999px;
  }
  .filters::-webkit-scrollbar { display: none; }
  .filter { white-space: nowrap; padding: 9px 14px; font-size: 10px; }
  .proj-grid { gap: 24px; }
  .p-tall, .p-short, .p-wide, .p-side, .p-full { grid-column: span 12; }
  .p-tall .proj-img, .p-short .proj-img, .p-wide .proj-img,
  .p-side .proj-img, .p-full .proj-img { aspect-ratio: 4 / 3; }
  .proj-meta { padding-top: 14px; margin-top: 12px; }
  .proj-meta h3 { font-size: 22px; }
  .portfolio-footer { flex-direction: column; gap: 18px; align-items: flex-start; }

  /* About */
  .about { padding: 72px 20px; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-bg-num { font-size: 280px; right: -40px; top: -20px; }
  .about-photo { max-width: 320px; }
  .about h2 { font-size: clamp(32px, 10vw, 46px); margin: 14px 0 24px; max-width: none; }
  .about p { font-size: 15px; line-height: 1.7; }
  .about-quote { font-size: 18px; padding: 20px 22px; margin: 28px 0; }
  .about-skills { grid-template-columns: 1fr; gap: 8px; margin: 28px 0 24px; }
  .about-skills .sk { padding: 14px 18px; }

  /* Depoimentos */
  .testi { padding: 72px 20px; }
  .testi-head { flex-direction: column; align-items: flex-start; gap: 12px; margin-bottom: 28px; }
  .testi-head h2 { font-size: clamp(30px, 9vw, 42px); }
  .testi-grid { grid-template-columns: 1fr; gap: 12px; }
  .testi-card { padding: 28px 24px; min-height: 0; gap: 18px; border-radius: 20px; }
  .testi-card .quote-mark { font-size: 56px; }
  .testi-card .quote { font-size: 18px; }
  .testi-card .author { font-size: 10px; }

  /* Blog */
  .blog { padding: 72px 20px; }
  .blog-head { grid-template-columns: 1fr; gap: 18px; margin-bottom: 28px; }
  .blog-head h2 { font-size: clamp(30px, 9vw, 42px); }
  .blog-row {
    grid-template-columns: auto 1fr;
    gap: 14px;
    padding: 18px 20px;
    border-radius: 18px;
  }
  .blog-row .num { font-size: 11px; }
  .blog-row .cat, .blog-row .date { display: none; }
  .blog-row h3 { font-size: 17px; line-height: 1.2; grid-column: 2; }
  .blog-row .arrow { display: none; }
  .blog-row:hover { padding-left: 20px; }

  /* CTA final */
  .cta { padding: 88px 20px; }
  .cta h2 { font-size: clamp(34px, 10vw, 56px); margin: 20px auto 24px; }
  .cta p { font-size: 16px; margin-bottom: 32px; }
  .cta-buttons { flex-direction: column; width: 100%; gap: 10px; }
  .cta-buttons a { width: 100%; justify-content: center; }

  /* Footer */
  .footer { padding: 56px 20px 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; padding-bottom: 40px; }
  .footer-brand .mark { font-size: 28px; }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    font-size: 9px;
    letter-spacing: 0.14em;
  }

  /* Modal */
  .modal-backdrop { padding: 16px; }
  .modal { grid-template-columns: 1fr; max-height: 92vh; border-radius: 20px; }
  .modal-img { min-height: 220px; }
  .modal-body { padding: 28px 24px; }
  .modal-body h3 { font-size: 30px; }
  .modal-close { top: 14px; right: 14px; width: 38px; height: 38px; }
}

@media (max-width: 420px) {
  .hero h1 { font-size: 42px; }
  .hero-bottom .hero-meta:last-child { display: none; }
  .hero-bottom { justify-content: center; }
  .num .v { font-size: 42px; }
  .nav-cta span { display: none; }
}

/* ====================================================================
   AI CONSULTANT — Assistente de Arquitetura
   ==================================================================== */
.ai-section {
  padding: clamp(96px, 12vw, 160px) clamp(24px, 6vw, 96px);
  background: radial-gradient(ellipse at 75% 0%, rgba(197,160,89,0.13), transparent 55%),
    radial-gradient(ellipse at 10% 100%, rgba(10,31,68,0.10), transparent 50%),
    linear-gradient(180deg, var(--ivory) 0%, #ece8df 100%);
  position: relative; overflow: hidden;
}
.ai-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(48px, 7vw, 100px); align-items: start; }
.ai-left h2 { font-family: var(--display); font-weight: 400; font-size: clamp(36px, 5vw, 72px); line-height: 1.0; letter-spacing: -0.02em; margin: 16px 0 20px; }
.ai-left h2 em { font-style: italic; color: var(--gold); }
.ai-left > p { font-size: 17px; line-height: 1.65; color: var(--muted); margin: 0 0 32px; max-width: 44ch; }
.ai-features { display: flex; flex-direction: column; gap: 14px; }
.ai-feat { display: flex; gap: 16px; align-items: flex-start; padding: 16px 20px; background: rgba(255,255,255,0.55); backdrop-filter: blur(18px) saturate(180%); -webkit-backdrop-filter: blur(18px) saturate(180%); border: 1px solid rgba(255,255,255,0.7); border-radius: 16px; transition: transform 0.3s, box-shadow 0.3s; }
.ai-feat:hover { transform: translateX(4px); box-shadow: 0 10px 28px rgba(10,31,68,0.08); }
.ai-feat-n { font-family: var(--display); font-style: italic; font-size: 26px; color: var(--gold); line-height: 1; flex-shrink: 0; width: 32px; }
.ai-feat strong { display: block; font-size: 14px; font-weight: 600; color: var(--navy); margin-bottom: 2px; }
.ai-feat span { font-size: 12px; color: var(--muted); line-height: 1.5; }

.ai-chat-wrap { background: rgba(255,255,255,0.92); backdrop-filter: blur(28px) saturate(180%); -webkit-backdrop-filter: blur(28px) saturate(180%); border: 1px solid rgba(255,255,255,0.85); border-radius: 24px; overflow: hidden; box-shadow: 0 28px 70px rgba(10,31,68,0.16), inset 0 1px 0 rgba(255,255,255,0.9); }
.ai-chat-header { display: flex; align-items: center; gap: 12px; padding: 16px 20px; background: var(--navy); color: var(--ivory); }
.ai-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--gold); color: var(--navy); display: flex; align-items: center; justify-content: center; font-family: var(--display); font-size: 15px; font-weight: 500; flex-shrink: 0; }
.ai-name { font-size: 14px; font-weight: 600; }
.ai-status { display: flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.10em; opacity: 0.7; text-transform: uppercase; }
.ai-dot { width: 6px; height: 6px; border-radius: 50%; background: #22c55e; animation: aipulse 2s ease-in-out infinite; }
@keyframes aipulse { 0%,100%{opacity:1} 50%{opacity:0.4} }

.ai-messages { padding: 20px; min-height: 180px; max-height: 360px; overflow-y: auto; display: flex; flex-direction: column; gap: 14px; scroll-behavior: smooth; }
.ai-messages::-webkit-scrollbar { width: 4px; }
.ai-messages::-webkit-scrollbar-thumb { background: rgba(10,31,68,0.15); border-radius: 2px; }
.ai-msg-ai { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.ai-bubble { max-width: 85%; background: var(--navy); color: var(--ivory); padding: 12px 16px; border-radius: 4px 18px 18px 18px; font-size: 14px; line-height: 1.55; }
.ai-bubble-success { background: #16a34a; }

.ai-palette-preview, .ai-colors { display: flex; flex-wrap: wrap; gap: 8px; padding: 4px 0; }
.ai-color-chip { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.ai-color-chip span { width: 36px; height: 36px; border-radius: 8px; display: block; border: 1px solid rgba(0,0,0,0.10); box-shadow: 0 2px 8px rgba(0,0,0,0.12); }
.ai-color-chip small { font-family: var(--mono); font-size: 9px; letter-spacing: 0.08em; color: var(--muted); text-align: center; max-width: 50px; }
.ai-floor-tag { font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); background: rgba(197,160,89,0.12); border: 1px solid rgba(197,160,89,0.28); border-radius: 999px; padding: 6px 12px; }

.ai-input-area { padding: 16px 20px 20px; border-top: 1px solid var(--line); background: rgba(250,248,244,0.6); }
.ai-choices { display: flex; flex-wrap: wrap; gap: 8px; }
.ai-choices-multi { max-height: 140px; overflow-y: auto; }
.ai-choice { padding: 9px 16px; border: 1.5px solid var(--line); border-radius: 999px; background: rgba(255,255,255,0.7); font-size: 13px; color: var(--navy); font-weight: 500; transition: all 0.2s; cursor: pointer; }
.ai-choice:hover { border-color: var(--gold); background: rgba(197,160,89,0.10); }
.ai-choice.sel { background: var(--navy); color: var(--ivory); border-color: var(--navy); }
.ai-confirm { margin-top: 10px; width: 100%; padding: 12px 20px; background: var(--gold); color: var(--navy); border: none; border-radius: 999px; font-size: 13px; font-weight: 700; letter-spacing: 0.04em; cursor: pointer; transition: all 0.2s; }
.ai-confirm:hover { background: #d6b46a; transform: translateY(-1px); }

.ai-style-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.ai-style-card { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 12px 8px; border: 1.5px solid var(--line); border-radius: 14px; background: rgba(255,255,255,0.7); cursor: pointer; transition: all 0.2s; text-align: center; }
.ai-style-card:hover { border-color: var(--gold); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(10,31,68,0.10); }
.ai-style-colors { display: flex; gap: 3px; }
.ai-style-colors span { width: 18px; height: 18px; border-radius: 50%; display: block; border: 1px solid rgba(0,0,0,0.08); }
.ai-style-card strong { font-size: 12px; font-weight: 700; color: var(--navy); }
.ai-style-card small { font-size: 10px; color: var(--muted); line-height: 1.3; }

.ai-text-row { display: flex; gap: 8px; }
.ai-text-in { flex: 1; padding: 12px 16px; border: 1.5px solid var(--line); border-radius: 999px; font: 14px var(--sans); color: var(--ink); background: #fff; outline: none; transition: border-color 0.2s; }
.ai-text-in:focus { border-color: var(--gold); }
.ai-send { width: 44px; height: 44px; border-radius: 50%; background: var(--navy); color: var(--ivory); border: none; font-size: 18px; cursor: pointer; transition: background 0.2s, transform 0.2s; flex-shrink: 0; }
.ai-send:hover { background: var(--gold); color: var(--navy); transform: scale(1.08); }

.ai-wa-btn { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; padding: 14px 20px; background: #25D366; color: #fff; border-radius: 999px; font-size: 14px; font-weight: 700; letter-spacing: -0.005em; box-shadow: 0 8px 24px rgba(37,211,102,0.38); transition: all 0.25s; }
.ai-wa-btn:hover { background: #1eb85a; transform: translateY(-2px); box-shadow: 0 14px 36px rgba(37,211,102,0.50); }

/* ====================================================================
   MOBILE MELHORADO
   ==================================================================== */
@media (max-width: 980px) {
  .ai-grid { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 760px) {
  .nav { top: 8px; left: 8px; right: 8px; width: auto; border-radius: 20px; padding: 10px 14px; background: rgba(10,31,68,0.85); backdrop-filter: blur(24px) saturate(180%); -webkit-backdrop-filter: blur(24px) saturate(180%); border: 1px solid rgba(255,255,255,0.12); color: var(--ivory); }
  .nav.scrolled { background: rgba(250,248,244,0.96); color: var(--ink); border-color: var(--line); top: 8px; }
  .nav-links { display: none; }
  .nav-logo .mark { font-size: 18px; }
  .nav-logo .sub { display: none; }
  .nav-cta { display: none; }
  .nav-cta span { display: none; }
  .hero { min-height: 100svh; height: 100svh; }
  .hero-grid { grid-template-columns: 1fr; gap: 0; }
  .hero-content { padding: 0 22px 96px; justify-content: flex-end; }
  .hero h1 { font-size: clamp(40px, 12.5vw, 66px); line-height: 0.94; margin: 12px 0 0; }
  .hero-side { border-left: none; border-top: 1px solid var(--line-on-dark); padding-left: 0; padding-top: 16px; margin-top: 16px; }
  .hero-side p { font-size: 14px; line-height: 1.58; margin-bottom: 16px; max-width: none; }
  .btn-primary { width: 100%; justify-content: center; padding: 15px 20px; font-size: 12px; }
  .btn-ghost { width: 100%; justify-content: center; padding: 13px 20px; font-size: 11px; margin-top: 8px !important; }
  .numbers { grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 32px; }
  .num { padding: 20px 16px; }
  .num .v { font-size: clamp(36px, 11vw, 50px); }
  .num .label { font-size: 9px; letter-spacing: 0.09em; margin-top: 6px; }
  .ai-section { padding: 64px 20px; }
  .ai-left h2 { font-size: clamp(30px, 9vw, 42px); }
  .ai-messages { max-height: 260px; }
  .ai-style-grid { grid-template-columns: repeat(2, 1fr); }
  .ai-choices-multi { max-height: 120px; }
}
@media (max-width: 420px) {
  .hero h1 { font-size: 38px; }
  .nav-logo-mark { width: 26px; height: 26px; border-radius: 7px; }
  .num .v { font-size: 36px; }
}