/* ═══════════════════════════════════════════
   ARCHSTUFF DESIGN — Premium CSS
   ═══════════════════════════════════════════ */

/* ─── TOKENS ─── */
:root {
  --c-bg: #f9f7f4;
  --c-white: #ffffff;
  --c-dark: #1a1814;
  --c-mid: #3a3632;
  --c-warm: #c8a96e;       /* signature warm gold */
  --c-warm-light: #e8d5b0;
  --c-warm-pale: #f4edde;
  --c-muted: #8c8070;
  --c-border: rgba(184, 160, 110, 0.2);

  --ff-display: 'Cormorant Garamond', Georgia, serif;
  --ff-body: 'DM Sans', system-ui, sans-serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);

  --nav-h: 80px;
  --section-gap: 120px;
  --radius: 4px;
}

/* ─── RESET ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  width: 100%;
  overflow-x: hidden;
  position: relative;
}
body {
  font-family: var(--ff-body);
  background: var(--c-bg);
  color: var(--c-mid);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4 { font-family: var(--ff-display); font-weight: 400; line-height: 1.1; color: var(--c-dark); }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

/* ─── LAYOUT ─── */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1400px; margin: 0 auto; padding: 0 40px; }
.section-gap { padding: var(--section-gap) 0; }

/* ─── TYPOGRAPHY HELPERS ─── */
.section-label {
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-warm);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.section-label::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--c-warm);
  flex-shrink: 0;
}
.section-label.light { color: var(--c-warm-light); }
.section-label.light::before { background: var(--c-warm-light); }

.section-heading {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 300;
  line-height: 1.15;
  margin-bottom: 24px;
}
.section-heading em { font-style: italic; color: var(--c-warm); }
.section-heading.light { color: var(--c-white); }

.section-header { text-align: center; margin-bottom: 72px; }
.section-header .section-label { justify-content: center; }
.section-header .section-label::before { display: none; }
.section-subtext { color: var(--c-muted); max-width: 520px; margin: 0 auto; font-size: 1.05rem; }

.body-text { color: var(--c-muted); margin-bottom: 20px; font-size: 1.05rem; }

/* ─── BUTTONS ─── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--c-dark);
  color: var(--c-white);
  padding: 16px 36px;
  font-size: .875rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background .35s var(--ease-out), transform .28s var(--ease-out), box-shadow .35s;
}
.btn-primary:hover {
  background: var(--c-warm);
  color: var(--c-dark);
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(200, 169, 110, .35);
}
.btn-primary.btn-large { padding: 20px 48px; font-size: 1rem; }
.btn-primary.btn-full { width: 100%; justify-content: center; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--c-dark);
  color: var(--c-dark);
  padding: 14px 32px;
  font-size: .875rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: all .35s var(--ease-out);
}
.btn-outline:hover {
  background: var(--c-dark);
  color: var(--c-white);
  transform: translateY(-2px);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--c-white);
  border: 1px solid rgba(255,255,255,.4);
  padding: 16px 40px;
  font-size: .875rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: all .35s var(--ease-out);
  margin-top: 40px;
}
.btn-ghost:hover { background: rgba(255,255,255,.1); border-color: var(--c-white); }

/* ─── CUSTOM CURSOR ─── */
.cursor, .cursor-follower {
  display: none;
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
}
@media (hover: hover) {
  .cursor { display: block; width: 8px; height: 8px; background: var(--c-dark); transform: translate(-50%,-50%); transition: transform .1s; }
  .cursor-follower { display: block; width: 36px; height: 36px; border: 1px solid rgba(26,24,20,.4); transform: translate(-50%,-50%); transition: left .12s ease, top .12s ease; }
}

/* ─── PAGE LOADER ─── */
.page-loader {
  position: fixed; inset: 0;
  background: var(--c-dark);
  z-index: 10000;
  display: flex; align-items: center; justify-content: center;
  transition: opacity .6s var(--ease-out), visibility .6s;
}
.page-loader.hidden { opacity: 0; visibility: hidden; }

.loader-inner { text-align: center; }
.loader-logo {
  font-family: var(--ff-display);
  font-size: 2.5rem;
  color: var(--c-white);
  margin-bottom: 32px;
}
.loader-logo span { color: var(--c-warm); }

.loader-bar {
  width: 200px;
  height: 2px;
  background: rgba(255,255,255,.1);
  margin: 0 auto;
  border-radius: 2px;
  overflow: hidden;
}
.loader-progress {
  height: 100%;
  background: var(--c-warm);
  width: 0;
  transition: width .05s linear;
}

/* ─── NAVIGATION ─── */
.header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 900;
  transition: background .5s var(--ease-out), padding .4s var(--ease-out), box-shadow .4s;
}
.header.scrolled {
  background: rgba(249, 247, 244, .92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--c-border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}
.nav-logo {
  font-family: var(--ff-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--c-white);
  letter-spacing: -.02em;
  transition: color .3s;
}
.header.scrolled .nav-logo { color: var(--c-dark); }
.nav-logo span { color: var(--c-warm); }

.nav-menu {
  display: flex;
  gap: 40px;
}
.nav-link {
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.85);
  position: relative;
  padding-bottom: 4px;
  transition: color .3s;
}
.nav-link::after {
  content: '';
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: var(--c-warm);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease-out);
}
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-link:hover, .nav-link.active { color: var(--c-white); }
.header.scrolled .nav-link { color: var(--c-muted); }
.header.scrolled .nav-link:hover { color: var(--c-dark); }

.nav-cta { display: flex; }
.header.scrolled .btn-outline { border-color: var(--c-dark); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 1.5px;
  background: var(--c-white);
  transition: all .4s var(--ease-out);
}
.header.scrolled .hamburger span { background: var(--c-dark); }

/* ─── MOBILE OVERLAY ─── */
.mobile-overlay {
  position: fixed; inset: 0;
  background: var(--c-dark);
  z-index: 850;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 80px 48px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(100%);
  transition: opacity .5s var(--ease-out), visibility .5s, transform .5s var(--ease-out);
}
.mobile-overlay.open { opacity: 1; visibility: visible; transform: translateX(0); }

.mobile-menu { margin-bottom: 48px; }
.mobile-link {
  display: block;
  font-family: var(--ff-display);
  font-size: 3rem;
  font-weight: 300;
  color: rgba(255,255,255,.5);
  margin-bottom: 8px;
  transition: color .3s;
}
.mobile-link:hover { color: var(--c-white); }
.mobile-footer-info p { color: var(--c-muted); font-size: .9rem; margin-bottom: 4px; }

/* ─── HERO ─── */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.08);
  transform-origin: center center;
  transition: transform 8s ease;
}
.hero.loaded .hero-media img { transform: scale(1); }

.hero-vignette {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(15, 12, 8, .75) 0%, rgba(15, 12, 8, .2) 60%, transparent 100%),
    linear-gradient(to top, rgba(15, 12, 8, .5) 0%, transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
  padding-top: var(--nav-h);
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 16px;
  color: rgba(255,255,255,.65);
  font-size: .75rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  margin-bottom: 32px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp .8s var(--ease-out) .8s forwards;
}
.hero-eyebrow .line { width: 40px; height: 1px; background: var(--c-warm); }

.hero-title {
  display: flex;
  flex-direction: column;
  font-size: clamp(4rem, 9vw, 8rem);
  font-weight: 300;
  color: var(--c-white);
  line-height: 1.0;
  letter-spacing: -.02em;
  margin-bottom: 48px;
}
.hero-title-row {
  display: block;
  overflow: hidden;
  opacity: 0;
  transform: translateY(60px);
  animation: slideUp 1s var(--ease-out) forwards;
}
.hero-title-row:nth-child(1) { animation-delay: 1.0s; }
.hero-title-row:nth-child(2) { animation-delay: 1.15s; }
.hero-title-row:nth-child(3) { animation-delay: 1.3s; }
.hero-title-row.italic { font-style: italic; color: var(--c-warm); }

.hero-meta {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp .9s var(--ease-out) 1.6s forwards;
}
.hero-meta p {
  font-size: .9rem;
  color: rgba(255,255,255,.65);
  line-height: 1.8;
  letter-spacing: .04em;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-shrink: 0;
}
.hero-link {
  color: rgba(255,255,255,.8);
  font-size: .85rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: color .3s, gap .3s;
}
.hero-link:hover { color: var(--c-warm); gap: 16px; }

/* Hero Ticker */
.hero-ticker {
  position: relative;
  z-index: 2;
  height: 56px;
  background: rgba(200, 169, 110, .12);
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(200, 169, 110, .2);
  overflow: hidden;
  display: flex;
  align-items: center;
}
.ticker-track {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  animation: ticker 25s linear infinite;
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
}
.ticker-track .dot { color: var(--c-warm); }

@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 80px;
  right: 40px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  color: rgba(255,255,255,.5);
  font-size: .65rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeUp .8s var(--ease-out) 2s forwards;
}
.scroll-line {
  width: 1px;
  height: 64px;
  background: linear-gradient(to bottom, rgba(255,255,255,.5), transparent);
  animation: scrollPulse 2s ease infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .3; }
}

/* ─── STATS BAND ─── */
.stats-band {
  background: var(--c-dark);
  padding: 64px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr) 3px repeat(3, 1fr);
  align-items: center;
  gap: 32px;
}
.stat-item { text-align: center; }
.stat-number {
  font-family: var(--ff-display);
  font-size: 3.5rem;
  font-weight: 300;
  color: var(--c-warm);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-number::after { content: '+'; font-size: 2rem; }
.stat-item:last-child .stat-number::after { content: ''; }
.stat-item:nth-child(3) .stat-number::after { content: '%'; }
.stat-label {
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
}
.stat-divider { width: 1px; height: 60px; background: rgba(255,255,255,.08); margin: 0 auto; }

/* ─── ABOUT ─── */
.about { background: var(--c-white); overflow-x: hidden; }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: start;
}
.about-img-wrap {
  position: sticky;
  top: calc(var(--nav-h) + 40px);
  aspect-ratio: 4/5;
  overflow: hidden;
  border-radius: var(--radius);
}
.about-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease-out);
}
.about-img-wrap:hover img { transform: scale(1.04); }

.about-img-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--c-warm);
  color: var(--c-dark);
  padding: 28px 32px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: 0 20px 50px rgba(200,169,110,.4);
}
.badge-num {
  display: block;
  font-family: var(--ff-display);
  font-size: 2.8rem;
  line-height: 1;
  font-weight: 500;
}
.badge-text {
  display: block;
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-top: 6px;
  opacity: .8;
  line-height: 1.5;
}

.about-text-col { padding-top: 60px; }

.about-pillars { margin: 48px 0; display: flex; flex-direction: column; gap: 12px; }
.pillar {
  padding: 24px 28px;
  border-left: 2px solid transparent;
  cursor: pointer;
  transition: all .35s var(--ease-out);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.pillar.active { border-left-color: var(--c-warm); background: var(--c-warm-pale); }
.pillar .pillar-num {
  display: block;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-warm);
  margin-bottom: 8px;
}
.pillar h3 { font-family: var(--ff-body); font-size: 1rem; font-weight: 600; margin-bottom: 6px; color: var(--c-dark); }
.pillar p { font-size: .9rem; color: var(--c-muted); display: none; }
.pillar.active p { display: block; }

/* ─── SERVICES ─── */
.services { background: var(--c-bg); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--c-border);
  border: 2px solid var(--c-border);
  border-radius: 8px;
  overflow: hidden;
}
.service-card {
  background: var(--c-white);
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
  transition: background .4s var(--ease-out);
}
.service-card:hover { background: var(--c-dark); }
.service-card:hover * { color: var(--c-white) !important; }
.service-card:hover .service-hover-line { transform: scaleX(1); }

.service-num {
  font-family: var(--ff-display);
  font-size: 1rem;
  color: var(--c-warm);
  margin-bottom: 28px;
  font-weight: 500;
}
.service-icon-wrap {
  font-size: 1.6rem;
  color: var(--c-warm);
  margin-bottom: 24px;
  transition: color .4s;
}
.service-card h3 {
  font-family: var(--ff-body);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--c-dark);
  transition: color .4s;
}
.service-card p {
  font-size: .9rem;
  color: var(--c-muted);
  line-height: 1.7;
  transition: color .4s;
}
.service-hover-line {
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--c-warm);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .5s var(--ease-out);
}

/* ─── WHY BAND ─── */
.why-band {
  background: var(--c-mid);
  padding: var(--section-gap) 0;
  overflow-x: hidden;
}
.why-inner {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 100px;
  align-items: center;
}
.why-features { display: flex; flex-direction: column; gap: 0; }
.why-feature {
  display: flex;
  gap: 28px;
  padding: 36px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.why-feature:first-child { border-top: 1px solid rgba(255,255,255,.08); }
.why-feature-icon {
  width: 52px;
  height: 52px;
  min-width: 52px;
  border: 1px solid rgba(200,169,110,.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--c-warm);
  transition: all .35s var(--ease-out);
}
.why-feature:hover .why-feature-icon {
  background: var(--c-warm);
  color: var(--c-dark);
  border-color: var(--c-warm);
  transform: rotate(10deg) scale(1.1);
}
.why-feature h3 {
  font-family: var(--ff-body);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--c-white);
  margin-bottom: 8px;
}
.why-feature p { font-size: .9rem; color: rgba(255,255,255,.5); line-height: 1.7; }

/* ─── PROJECTS MOSAIC ─── */
.projects { background: var(--c-bg); }

.projects-mosaic {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: auto;
  gap: 16px;
  margin-top: 48px;
}

.mosaic-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 1;
}
.mosaic-item:nth-child(1)  { grid-column: 1 / 7; grid-row: 1; aspect-ratio: 16/10; }
.mosaic-item:nth-child(2)  { grid-column: 7 / 10; }
.mosaic-item:nth-child(3)  { grid-column: 10 / 13; }
.mosaic-item:nth-child(4)  { grid-column: 1 / 8; aspect-ratio: 16/9; }
.mosaic-item:nth-child(5)  { grid-column: 8 / 13; aspect-ratio: 16/9; }

.mosaic-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease-out);
}
.mosaic-item:hover img { transform: scale(1.07); }

.mosaic-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,12,8,.85) 0%, transparent 55%);
  opacity: 0;
  transition: opacity .5s var(--ease-out);
  display: flex;
  align-items: flex-end;
  padding: 32px;
}
.mosaic-item:hover .mosaic-overlay { opacity: 1; }

.mosaic-info span {
  display: block;
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-warm);
  margin-bottom: 6px;
}
.mosaic-info h3 {
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--c-white);
  margin-bottom: 4px;
}
.mosaic-info p { font-size: .8rem; color: rgba(255,255,255,.6); }

/* ─── PROCESS ─── */
.process { background: var(--c-warm-pale); }
.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.process-step {
  flex: 1;
  text-align: center;
  padding: 0 32px;
}
.step-num {
  font-family: var(--ff-display);
  font-size: 4rem;
  font-weight: 300;
  color: var(--c-warm);
  opacity: .4;
  display: block;
  margin-bottom: 20px;
  line-height: 1;
}
.process-step h3 {
  font-family: var(--ff-body);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--c-dark);
}
.process-step p { font-size: .9rem; color: var(--c-muted); }
.process-connector {
  width: 80px;
  min-width: 80px;
  height: 1px;
  background: var(--c-warm);
  margin-top: 44px;
  position: relative;
}
.process-connector::after {
  content: '›';
  position: absolute;
  right: -10px;
  top: -14px;
  font-size: 1.5rem;
  color: var(--c-warm);
}

/* ─── TESTIMONIALS ─── */
.testimonials { background: var(--c-white); }
.testimonials-slider { position: relative; max-width: 780px; margin: 0 auto; }

.testi-card {
  display: none;
  padding: 64px;
  border: 1px solid var(--c-border);
  background: var(--c-bg);
  border-radius: 8px;
  position: relative;
}
.testi-card.active { display: block; animation: fadeUp .6s var(--ease-out); }

.testi-quote {
  font-size: 2.5rem;
  color: var(--c-warm);
  opacity: .3;
  margin-bottom: 24px;
}
.testi-card p {
  font-family: var(--ff-display);
  font-size: 1.5rem;
  font-weight: 300;
  font-style: italic;
  line-height: 1.6;
  color: var(--c-dark);
  margin-bottom: 40px;
}
.testi-author {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.testi-avatar {
  width: 52px;
  height: 52px;
  background: var(--c-warm);
  color: var(--c-dark);
  font-weight: 700;
  font-size: .85rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.testi-author strong { display: block; font-size: .95rem; font-weight: 600; color: var(--c-dark); }
.testi-author span { font-size: .8rem; color: var(--c-muted); }
.testi-stars { margin-left: auto; color: var(--c-warm); font-size: .85rem; display: flex; gap: 2px; }

.testi-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 40px;
}
.testi-prev, .testi-next {
  width: 44px;
  height: 44px;
  border: 1px solid var(--c-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  color: var(--c-mid);
  transition: all .3s var(--ease-out);
}
.testi-prev:hover, .testi-next:hover {
  background: var(--c-dark);
  color: var(--c-white);
  border-color: var(--c-dark);
  transform: scale(1.1);
}
.testi-dots { display: flex; gap: 8px; }
.testi-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c-border);
  border: 2px solid var(--c-border);
  transition: all .3s;
}
.testi-dot.active { background: var(--c-warm); border-color: var(--c-warm); transform: scale(1.3); }

/* ─── CTA BAND ─── */
.cta-band {
  background: var(--c-dark);
  padding: 100px 0;
  text-align: center;
}
.cta-band h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--c-white);
  margin-bottom: 20px;
  font-weight: 300;
}
.cta-band p { color: rgba(255,255,255,.55); font-size: 1.05rem; margin-bottom: 48px; }

/* ─── CONTACT ─── */
.contact { background: var(--c-bg); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 100px;
  align-items: start;
}

.contact-details { margin: 48px 0; display: flex; flex-direction: column; gap: 28px; }
.contact-item { display: flex; gap: 20px; }
.contact-icon {
  width: 44px; height: 44px;
  border: 1px solid var(--c-border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .95rem;
  color: var(--c-warm);
  flex-shrink: 0;
}
.contact-item label {
  display: block;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--c-warm);
  margin-bottom: 4px;
}
.contact-item a, .contact-item p { font-size: .95rem; color: var(--c-mid); line-height: 1.6; }
.contact-item a:hover { color: var(--c-warm); }

.contact-social { display: flex; gap: 16px; }
.social-btn {
  width: 42px; height: 42px;
  border: 1px solid var(--c-border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem;
  color: var(--c-muted);
  transition: all .3s var(--ease-out);
}
.social-btn:hover { background: var(--c-warm); color: var(--c-dark); border-color: var(--c-warm); transform: translateY(-3px); }

/* Contact Form */
.contact-form-wrap {
  background: var(--c-white);
  padding: 56px;
  border-radius: 8px;
  box-shadow: 0 32px 80px rgba(0,0,0,.04);
  border: 1px solid var(--c-border);
}
.contact-form h3 {
  font-size: 1.6rem;
  font-weight: 300;
  margin-bottom: 40px;
  color: var(--c-dark);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.field {
  position: relative;
  margin-bottom: 24px;
}
.field input, .field textarea, .field select {
  width: 100%;
  padding: 18px 16px 8px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: var(--c-bg);
  font-family: var(--ff-body);
  font-size: .95rem;
  color: var(--c-dark);
  outline: none;
  transition: border-color .3s, background .3s;
  appearance: none;
}
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--c-warm);
  background: var(--c-white);
}
.field label {
  position: absolute;
  top: 50%; left: 16px;
  transform: translateY(-50%);
  font-size: .9rem;
  color: var(--c-muted);
  pointer-events: none;
  transition: all .25s var(--ease-out);
}
.field textarea + label { top: 20px; transform: none; }
.field input:not(:placeholder-shown) + label,
.field input:focus + label,
.field textarea:not(:placeholder-shown) + label,
.field textarea:focus + label {
  top: 8px;
  font-size: .7rem;
  color: var(--c-warm);
  transform: none;
}
.field textarea { min-height: 120px; resize: vertical; padding-top: 28px; }
.field select { padding: 16px; color: var(--c-muted); }
.field select:valid { color: var(--c-dark); }

.form-success {
  display: none;
  margin-top: 20px;
  padding: 18px 24px;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius);
  color: #16a34a;
  font-size: .9rem;
  gap: 10px;
  align-items: center;
}
.form-success.visible { display: flex; animation: fadeUp .5s var(--ease-out); }

/* ─── FOOTER ─── */
.footer {
  background: var(--c-dark);
  padding: 80px 0 40px;
  color: rgba(255,255,255,.5);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  margin-bottom: 40px;
}
.footer-logo {
  font-family: var(--ff-display);
  font-size: 2rem;
  color: var(--c-white);
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-logo span { color: var(--c-warm); }
.footer-brand p { font-size: .875rem; line-height: 1.8; margin-bottom: 28px; }
.footer-social { display: flex; gap: 14px; }
.footer-social a {
  width: 38px; height: 38px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem;
  color: rgba(255,255,255,.5);
  transition: all .3s;
}
.footer-social a:hover { background: var(--c-warm); color: var(--c-dark); border-color: var(--c-warm); }

.footer-links-col h4 {
  font-family: var(--ff-body);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255,255,255,.35);
  margin-bottom: 24px;
}
.footer-links-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-links-col li { font-size: .875rem; }
.footer-links-col a { transition: color .3s; }
.footer-links-col a:hover { color: var(--c-warm); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .8rem;
}
.footer-bottom i { color: var(--c-warm); }

/* ─── BACK TO TOP ─── */
.back-top {
  position: fixed;
  bottom: 40px;
  right: 40px;
  width: 48px; height: 48px;
  background: var(--c-dark);
  color: var(--c-white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem;
  z-index: 800;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all .4s var(--ease-out);
  box-shadow: 0 8px 30px rgba(0,0,0,.2);
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--c-warm); color: var(--c-dark); transform: translateY(-4px); }

/* ─── KEYFRAMES ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(60px); }
  to { opacity: 1; transform: translateY(0); }
}

[data-aos] { will-change: transform, opacity; }

/* ─── GALLERY ─── */
.gallery-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
}
.filter-btn {
  padding: 10px 24px;
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  border: 1px solid var(--c-border);
  border-radius: 40px;
  color: var(--c-muted);
  transition: all .35s var(--ease-out);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--c-dark);
  color: var(--c-white);
  border-color: var(--c-dark);
  transform: translateY(-2px);
}

.gallery-masonry {
  column-count: 3;
  column-gap: 20px;
}
.gallery-item {
  display: break-inside-avoid;
  margin-bottom: 20px;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  background: var(--c-border);
  transition: transform .4s var(--ease-out), opacity .4s ease;
}
.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform .6s var(--ease-out);
}
.gallery-item:hover img {
  transform: scale(1.05);
}
.gallery-item.hidden {
  display: none;
  opacity: 0;
  transform: scale(.95);
}

/* ─── WHATSAPP BUTTON ─── */
.whatsapp-btn {
  position: fixed;
  bottom: 40px;
  left: 40px;
  width: 56px;
  height: 56px;
  background: #25d366;
  color: var(--c-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  z-index: 800;
  box-shadow: 0 8px 30px rgba(37, 211, 102, .4);
  transition: all .4s var(--ease-out);
}
.whatsapp-btn::after {
  content: '';
  position: absolute;
  inset: -4px;
  border: 2px solid #25d366;
  border-radius: 50%;
  opacity: 0;
  animation: pulseBtn 2s infinite;
}
.whatsapp-btn:hover {
  transform: scale(1.1) translateY(-5px);
  background: #20b858;
}

@keyframes pulseBtn {
  0% { transform: scale(1); opacity: .8; }
  100% { transform: scale(1.4); opacity: 0; }
}


/* ═══════════════════════════════════════
   RESPONSIVE — Mobile First
   ═══════════════════════════════════════ */

/* Small mobile */
@media (max-width: 480px) {
  :root { --section-gap: 72px; --nav-h: 64px; }
  .container, .container-wide { padding: 0 20px; }

  .hero-title { font-size: clamp(3rem, 14vw, 5rem); }
  .hero-meta { flex-direction: column; align-items: flex-start; gap: 24px; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 16px; }

  .scroll-hint { display: none; }

  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-divider { display: none; }

  .section-heading { font-size: 2.2rem; }

  .services-grid { grid-template-columns: 1fr; }
  .service-card { padding: 36px 28px; }

  .why-inner { grid-template-columns: 1fr; gap: 48px; }
  .why-band .section-heading { font-size: 2.6rem; }

  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-img-wrap { position: static; aspect-ratio: 4/3; }
  .about-img-badge { bottom: -12px; right: -12px; padding: 20px 24px; }
  .about-text-col { padding-top: 20px; }

  .projects-mosaic {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .mosaic-item,
  .mosaic-item:nth-child(1),
  .mosaic-item:nth-child(2),
  .mosaic-item:nth-child(3),
  .mosaic-item:nth-child(4),
  .mosaic-item:nth-child(5) {
    grid-column: 1 / -1;
    aspect-ratio: 4/3;
  }
  .mosaic-overlay { opacity: 1; }

  .process-steps { flex-direction: column; align-items: center; }
  .process-connector { width: 1px; height: 40px; min-width: 1px; margin: 0; }
  .process-connector::after { display: none; }
  .process-step { padding: 0 16px; }

  .testi-card { padding: 36px 28px; }
  .testi-card p { font-size: 1.15rem; }

  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .contact-form-wrap { padding: 32px 24px; }
  .form-row { grid-template-columns: 1fr; }

  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

  .hamburger { display: flex; }
  .nav-menu, .nav-cta { display: none; }

  .gallery-masonry { column-count: 1; }
  .whatsapp-btn { bottom: 20px; left: 20px; width: 48px; height: 48px; font-size: 1.5rem; }
  .back-top { bottom: 20px; right: 20px; width: 40px; height: 40px; }
}

/* Tablet */
@media (min-width: 481px) and (max-width: 900px) {
  :root { --section-gap: 88px; }
  .container-wide { padding: 0 32px; }

  .hamburger { display: flex; }
  .nav-menu, .nav-cta { display: none; }

  .stats-grid { grid-template-columns: repeat(4, 1fr); gap: 40px; }
  .stat-divider { display: none; }

  .about-grid { grid-template-columns: 1fr; gap: 60px; }
  .about-img-wrap { position: static; max-height: 500px; }
  .about-text-col { padding-top: 0; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }

  .why-inner { grid-template-columns: 1fr; gap: 60px; }

  .projects-mosaic { grid-template-columns: repeat(6, 1fr); }
  .mosaic-item:nth-child(1) { grid-column: 1 / 7; aspect-ratio: 16/9; }
  .mosaic-item:nth-child(2) { grid-column: 1 / 4; }
  .mosaic-item:nth-child(3) { grid-column: 4 / 7; }
  .mosaic-item:nth-child(4) { grid-column: 1 / 7; aspect-ratio: 16/7; }
  .mosaic-item:nth-child(5) { grid-column: 1 / 7; aspect-ratio: 16/7; }

  .process-steps { flex-wrap: wrap; justify-content: center; gap: 20px; }
  .process-connector { display: none; }
  .process-step { flex: 0 0 calc(50% - 20px); }

  .contact-grid { grid-template-columns: 1fr; gap: 60px; }
  .form-row { grid-template-columns: 1fr 1fr; }

  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 8px; }

  .gallery-masonry { column-count: 2; }
}

/* Desktop nav show */
@media (min-width: 901px) {
  .hamburger { display: none; }
  .nav-menu { display: flex; }
  .nav-cta { display: flex; }
}