@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500;600&family=DM+Sans:wght@300;400;500;600&family=DM+Mono:wght@400&display=swap');

:root {
  --crimson: #A01848;
  --blue: #3A5A8C;
  --green: #1E6B4A;
  --charcoal: #2A2A2A;
  --warm-white: #F7F5F2;
  --off-white: #EDEBE7;
  --light-gray: #D8D5CF;
  --medium-gray: #8A8580;
  --text-primary: #1C1C1A;
  --text-secondary: #5A5752;
  --border: rgba(42, 42, 42, 0.12);
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 40px rgba(0,0,0,0.1);
  --shadow-lg: 0 24px 80px rgba(0,0,0,0.14);
}

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

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

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--warm-white);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ─── TYPOGRAPHY ─────────────────────────── */
h1, h2, h3, h4 {
  font-family: 'Cormorant Garamond', serif;
  line-height: 1.15;
  font-weight: 500;
}

.display-xl { font-size: clamp(3.5rem, 8vw, 7rem); font-weight: 300; letter-spacing: -0.03em; }
.display-lg { font-size: clamp(2.5rem, 5vw, 4.5rem); font-weight: 400; letter-spacing: -0.02em; }
.display-md { font-size: clamp(1.8rem, 3vw, 2.8rem); font-weight: 500; letter-spacing: -0.01em; }
.subtitle { font-family: 'DM Mono', monospace; font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--medium-gray); }
.lead { font-size: 1.15rem; font-weight: 300; color: var(--text-secondary); line-height: 1.8; }

/* ─── LAYOUT ─────────────────────────────── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 2rem; }
.container--narrow { max-width: 860px; margin: 0 auto; padding: 0 2rem; }

section { padding: 120px 0; }

/* ─── NAVIGATION ─────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0 2rem;
  height: 72px;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(247, 245, 242, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}

.nav.scrolled {
  border-color: var(--border);
  background: rgba(247, 245, 242, 0.97);
}

.nav__logo {
  display: flex; align-items: center; gap: 0.75rem;
  text-decoration: none;
}

.nav__logo-mark {
  width: 36px; height: 36px;
  position: relative;
}

.nav__logo-text {
  font-family: 'DM Sans', sans-serif;
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--charcoal);
  letter-spacing: 0.08em;
}

.nav__links {
  display: flex; align-items: center; gap: 2.5rem;
  list-style: none;
}

.nav__links a {
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  transition: color 0.2s;
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute; bottom: -3px; left: 0; right: 0;
  height: 1px;
  background: var(--crimson);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
}

.nav__links a:hover { color: var(--charcoal); }
.nav__links a:hover::after { transform: scaleX(1); }

.nav__cta {
  background: var(--charcoal);
  color: var(--warm-white) !important;
  padding: 0.55rem 1.25rem;
  border-radius: 2px;
  font-size: 0.8rem !important;
  letter-spacing: 0.08em !important;
  text-transform: uppercase;
  transition: background 0.2s !important;
}

.nav__cta:hover { background: var(--crimson) !important; }
.nav__cta::after { display: none !important; }

.nav__hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  cursor: pointer; padding: 4px;
}
.nav__hamburger span { display: block; width: 24px; height: 1.5px; background: var(--charcoal); transition: all 0.3s; }

/* ─── HERO ───────────────────────────────── */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding-top: 72px;
  overflow: hidden;
}

.hero__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 4rem 80px 2rem;
  max-width: 640px;
  margin-left: auto;
}

.hero__eyebrow {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero__eyebrow::before {
  content: '';
  width: 40px; height: 1px;
  background: var(--crimson);
}

.hero__title { margin: 1rem 0 2rem; color: var(--charcoal); }

.hero__title em {
  font-style: italic;
  color: var(--crimson);
}

.hero__desc { margin-bottom: 3rem; max-width: 440px; }

.hero__actions { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }

.hero__visual {
  position: relative;
  background: var(--charcoal);
  overflow: hidden;
}

.hero__visual-bg {
  position: absolute; inset: 0;
  background: 
    linear-gradient(135deg, #1C1C1A 0%, #2A2A2A 40%, #1E2A3A 100%);
}

.hero__visual-grid {
  position: absolute; inset: 0;
  background-image: 
    linear-gradient(rgba(58,90,140,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(58,90,140,0.08) 1px, transparent 1px);
  background-size: 48px 48px;
}

.hero__visual-content {
  position: relative; z-index: 2;
  height: 100%;
  display: flex; align-items: center; justify-content: center;
  padding: 4rem;
}

.hero__stats {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 2px;
  width: 100%;
  max-width: 400px;
}

.stat-card {
  background: rgba(247,245,242,0.04);
  border: 1px solid rgba(247,245,242,0.08);
  padding: 2rem;
  backdrop-filter: blur(8px);
  transition: background 0.3s;
}

.stat-card:hover { background: rgba(247,245,242,0.07); }

.stat-card--accent { background: rgba(160, 24, 72, 0.15); border-color: rgba(160,24,72,0.3); }

.stat-number {
  font-family: 'Cormorant Garamond', serif;
  font-size: 3.5rem;
  font-weight: 300;
  color: var(--warm-white);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(247,245,242,0.5);
}

/* ─── BUTTONS ────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border: none; cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
  border-radius: 2px;
}

.btn--primary {
  background: var(--charcoal);
  color: var(--warm-white);
}
.btn--primary:hover { background: var(--crimson); transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn--outline {
  background: transparent;
  color: var(--charcoal);
  border: 1px solid var(--charcoal);
}
.btn--outline:hover { background: var(--charcoal); color: var(--warm-white); }

.btn--ghost {
  background: transparent;
  color: var(--medium-gray);
  border: 1px solid var(--border);
  padding: 0.85rem 1.5rem;
}
.btn--ghost:hover { border-color: var(--charcoal); color: var(--charcoal); }

/* ─── SECTION HEADERS ────────────────────── */
.section-header { margin-bottom: 5rem; }
.section-header--center { text-align: center; }
.section-header .subtitle { margin-bottom: 1.5rem; display: block; }
.section-header h2 { margin-bottom: 1.5rem; }
.section-header p { max-width: 560px; }
.section-header--center p { margin: 0 auto; }

/* ─── DIVIDER ────────────────────────────── */
.divider {
  width: 48px; height: 2px;
  background: linear-gradient(90deg, var(--crimson), var(--blue));
  margin: 1.5rem 0;
}
.section-header--center .divider { margin: 1.5rem auto; }

/* ─── SERVICES ───────────────────────────── */
.services { background: var(--off-white); }

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.service-card {
  background: var(--warm-white);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
}

.service-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--crimson), var(--blue));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
}

.service-card:hover::before { transform: scaleX(1); }
.service-card:hover { background: #fff; box-shadow: var(--shadow-md); z-index: 1; }

.service-card__icon {
  width: 48px; height: 48px;
  margin-bottom: 1.5rem;
  display: flex; align-items: center; justify-content: center;
}

.service-card__number {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--light-gray);
  margin-bottom: 1rem;
}

.service-card h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  color: var(--charcoal);
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ─── TECHNOLOGY ─────────────────────────── */
.technology { background: var(--charcoal); color: var(--warm-white); overflow: hidden; }
.technology .section-header h2 { color: var(--warm-white); }
.technology .lead { color: rgba(247,245,242,0.65); }
.technology .subtitle { color: rgba(247,245,242,0.4); }
.technology .divider { opacity: 0.6; }

.tech__layout { display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; align-items: center; }

.tech__list { display: flex; flex-direction: column; gap: 0; }

.tech__item {
  display: flex; align-items: flex-start; gap: 1.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid rgba(247,245,242,0.08);
  cursor: default;
  transition: all 0.2s;
}

.tech__item:first-child { border-top: 1px solid rgba(247,245,242,0.08); }

.tech__item:hover .tech__item-icon { background: var(--crimson); }

.tech__item-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: rgba(247,245,242,0.06);
  border-radius: 2px;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.3s;
}

.tech__item-icon svg { width: 20px; height: 20px; stroke: var(--warm-white); fill: none; }

.tech__item-body h4 {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--warm-white);
  margin-bottom: 0.35rem;
}

.tech__item-body p {
  font-size: 0.85rem;
  color: rgba(247,245,242,0.5);
  line-height: 1.65;
}

.tech__visual {
  position: relative;
  aspect-ratio: 1;
}

.tech__orb {
  position: absolute; inset: 10%;
  background: radial-gradient(ellipse at 35% 40%, rgba(160,24,72,0.35) 0%, rgba(58,90,140,0.25) 50%, transparent 70%);
  border-radius: 50%;
  animation: pulse-orb 6s ease-in-out infinite;
}

@keyframes pulse-orb {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.08); opacity: 1; }
}

.tech__rings {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
}

.tech__ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(247,245,242,0.07);
  animation: rotate-ring linear infinite;
}

.tech__ring:nth-child(1) { width: 55%; height: 55%; animation-duration: 20s; border-color: rgba(160,24,72,0.2); }
.tech__ring:nth-child(2) { width: 72%; height: 72%; animation-duration: 30s; animation-direction: reverse; }
.tech__ring:nth-child(3) { width: 88%; height: 88%; animation-duration: 45s; border-color: rgba(58,90,140,0.15); }

@keyframes rotate-ring {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.tech__center-label {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  z-index: 2;
}

.tech__center-label span:first-child {
  font-family: 'Cormorant Garamond', serif;
  font-size: 4rem;
  font-weight: 300;
  color: var(--warm-white);
  line-height: 1;
}

.tech__center-label span:last-child {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: rgba(247,245,242,0.4);
  text-transform: uppercase;
}

/* ─── ABOUT ──────────────────────────────── */
.about__layout { display: grid; grid-template-columns: 5fr 7fr; gap: 8rem; align-items: center; }

.about__aside { display: flex; flex-direction: column; gap: 2rem; }

.about__badge {
  display: inline-flex; flex-direction: column; gap: 0.5rem;
  padding: 2rem;
  border: 1px solid var(--border);
  width: fit-content;
}

.about__badge-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 3rem;
  font-weight: 300;
  color: var(--crimson);
  line-height: 1;
}

.about__badge-label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--medium-gray);
}

.about__content h2 { margin-bottom: 1.5rem; }
.about__content p { margin-bottom: 1.5rem; color: var(--text-secondary); }

.about__values { display: flex; flex-direction: column; gap: 1px; margin-top: 2.5rem; }

.value-item {
  display: flex; align-items: center; gap: 1.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

.value-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--crimson);
  flex-shrink: 0;
}

.value-item span { font-size: 0.9rem; color: var(--text-secondary); }
.value-item strong { font-weight: 500; color: var(--charcoal); margin-right: 0.5rem; }

/* ─── PROCESS ────────────────────────────── */
.process { background: var(--off-white); }

.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  position: relative;
}

.process__steps::before {
  content: '';
  position: absolute;
  top: 40px; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 20%, var(--border) 80%, transparent);
}

.process__step { padding: 0 1.5rem; text-align: center; }

.step__num {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--warm-white);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 2rem;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.6rem;
  color: var(--charcoal);
  position: relative; z-index: 1;
  transition: all 0.3s;
}

.process__step:hover .step__num {
  background: var(--crimson);
  color: var(--warm-white);
  border-color: var(--crimson);
  transform: scale(1.05);
}

.process__step h4 {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
  color: var(--charcoal);
}

.process__step p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.65; }

/* ─── CONTACT ────────────────────────────── */
.contact { background: var(--warm-white); }

.contact__layout { display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; align-items: start; }

.contact__info { display: flex; flex-direction: column; gap: 2rem; }

.contact__info h2 { margin-bottom: 0.5rem; }

.contact__detail {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.contact__detail-icon {
  width: 36px; height: 36px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}

.contact__detail-icon svg { width: 18px; height: 18px; stroke: var(--crimson); fill: none; }

.contact__detail-body span { display: block; font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--medium-gray); margin-bottom: 0.25rem; }
.contact__detail-body p { font-size: 0.9rem; color: var(--charcoal); }

/* ─── FORM ───────────────────────────────── */
.form-card {
  background: #fff;
  border: 1px solid var(--border);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.form-group { margin-bottom: 1.5rem; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-row-3 { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 1rem; }

.form-group label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--medium-gray);
  margin-bottom: 0.6rem;
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  color: var(--charcoal);
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-radius: 2px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(58,90,140,0.08);
  background: #fff;
}

.form-group textarea { resize: vertical; min-height: 100px; }

/* ─── FICHA PAGE ─────────────────────────── */
.page-hero {
  padding: 140px 0 80px;
  background: var(--charcoal);
  text-align: center;
  color: var(--warm-white);
}

.page-hero h1 { color: var(--warm-white); margin: 1rem 0; }
.page-hero .lead { color: rgba(247,245,242,0.6); margin: 0 auto; max-width: 500px; }

.ficha-section { padding: 80px 0 120px; }

.ficha-card {
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.ficha-header {
  background: var(--charcoal);
  padding: 2rem 2.5rem;
  display: flex; align-items: center; justify-content: space-between;
}

.ficha-header__logo { color: var(--warm-white); font-weight: 600; font-size: 1.2rem; letter-spacing: 0.1em; }
.ficha-header__label { font-size: 0.72rem; letter-spacing: 0.15em; text-transform: uppercase; color: rgba(247,245,242,0.5); }

.ficha-body { padding: 2.5rem; }

.ficha-section-title {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--crimson);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
  margin-top: 2rem;
}

.ficha-section-title:first-child { margin-top: 0; }

.teeth-grid {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.5rem;
  margin: 1rem 0;
}

.teeth-row {
  display: flex; justify-content: center;
  gap: 4px; margin-bottom: 0.5rem;
}

.tooth-btn {
  width: 36px; height: 36px;
  border: 1.5px solid var(--border);
  background: #fff;
  border-radius: 4px;
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  color: var(--medium-gray);
  cursor: pointer;
  transition: all 0.15s;
  display: flex; align-items: center; justify-content: center;
}

.tooth-btn:hover { border-color: var(--crimson); color: var(--crimson); }
.tooth-btn.selected { background: var(--crimson); border-color: var(--crimson); color: #fff; }

.teeth-separator {
  width: 1px; background: var(--border);
  margin: 0 0.5rem;
}

.radio-group { display: flex; gap: 1.5rem; flex-wrap: wrap; align-items: center; }
.checkbox-group { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; }

.radio-label, .checkbox-label {
  display: flex; align-items: center; gap: 0.6rem;
  cursor: pointer; font-size: 0.9rem; color: var(--text-secondary);
}

.radio-label input[type="radio"],
.checkbox-label input[type="checkbox"] {
  width: 18px; height: 18px; flex-shrink: 0;
  accent-color: var(--crimson);
  cursor: pointer;
}

.radio-label:hover, .checkbox-label:hover { color: var(--charcoal); }

.upload-zone {
  border: 2px dashed var(--light-gray);
  border-radius: 4px;
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--warm-white);
}

.upload-zone:hover { border-color: var(--blue); background: rgba(58,90,140,0.03); }
.upload-zone.dragover { border-color: var(--crimson); background: rgba(160,24,72,0.04); }

.upload-zone p { font-size: 0.85rem; color: var(--medium-gray); margin-top: 0.5rem; }
.upload-zone strong { font-size: 0.9rem; color: var(--charcoal); }
.upload-zone svg { width: 36px; height: 36px; stroke: var(--light-gray); fill: none; margin-bottom: 0.75rem; }

.file-list { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.5rem; }

.file-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.6rem 0.9rem;
  background: var(--off-white);
  border-radius: 2px;
  font-size: 0.82rem; color: var(--text-secondary);
}

.file-item button {
  background: none; border: none; cursor: pointer;
  color: var(--medium-gray); font-size: 1rem; line-height: 1;
  padding: 2px 4px;
  transition: color 0.2s;
}
.file-item button:hover { color: var(--crimson); }

.submit-bar {
  padding: 1.5rem 2.5rem;
  background: var(--off-white);
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
}

.submit-bar p { font-size: 0.8rem; color: var(--medium-gray); }

/* ─── SUCCESS STATE ──────────────────────── */
.success-msg {
  display: none;
  flex-direction: column; align-items: center;
  text-align: center;
  padding: 4rem 2rem;
  gap: 1rem;
}

.success-msg.visible { display: flex; }

.success-icon {
  width: 64px; height: 64px;
  background: rgba(30,107,74,0.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}

.success-icon svg { width: 28px; height: 28px; stroke: var(--green); fill: none; }

/* ─── FOOTER ─────────────────────────────── */
footer {
  background: var(--charcoal);
  color: var(--warm-white);
  padding: 64px 0 32px;
}

.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(247,245,242,0.08);
  margin-bottom: 2rem;
}

.footer__brand p { font-size: 0.85rem; color: rgba(247,245,242,0.5); margin-top: 1rem; max-width: 280px; line-height: 1.7; }

.footer__col h5 {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(247,245,242,0.4);
  margin-bottom: 1.25rem;
}

.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }

.footer__col ul a {
  text-decoration: none;
  font-size: 0.875rem;
  color: rgba(247,245,242,0.6);
  transition: color 0.2s;
}
.footer__col ul a:hover { color: var(--warm-white); }

.footer__bottom {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.78rem; color: rgba(247,245,242,0.35);
}

.footer__colors { display: flex; gap: 6px; }
.footer__color-dot { width: 8px; height: 8px; border-radius: 50%; }

/* ─── ALERTS ─────────────────────────────── */
.alert {
  padding: 0.85rem 1.25rem;
  border-radius: 2px;
  font-size: 0.875rem;
  margin-bottom: 1rem;
  display: none;
}
.alert.visible { display: block; }
.alert--error { background: rgba(160,24,72,0.08); border: 1px solid rgba(160,24,72,0.2); color: var(--crimson); }
.alert--success { background: rgba(30,107,74,0.08); border: 1px solid rgba(30,107,74,0.2); color: var(--green); }

/* ─── LOADING ────────────────────────────── */
.spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(247,245,242,0.3);
  border-top-color: var(--warm-white);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}
.spinner.visible { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── RESPONSIVE ─────────────────────────── */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero__content { max-width: 100%; padding: 80px 2rem 60px; }
  .hero__visual { display: none; }
  .tech__layout { grid-template-columns: 1fr; gap: 4rem; }
  .tech__visual { display: none; }
  .about__layout { grid-template-columns: 1fr; gap: 3rem; }
  .about__aside { flex-direction: row; flex-wrap: wrap; }
  .contact__layout { grid-template-columns: 1fr; gap: 3rem; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .services__grid { grid-template-columns: 1fr 1fr; }
  .process__steps { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .process__steps::before { display: none; }
  .checkbox-group { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  section { padding: 80px 0; }
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  .services__grid { grid-template-columns: 1fr; }
  .process__steps { grid-template-columns: 1fr; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; gap: 2rem; }
  .footer__bottom { flex-direction: column; gap: 1rem; text-align: center; }
  .submit-bar { flex-direction: column; align-items: flex-start; }
  .checkbox-group { grid-template-columns: 1fr; }
  .ficha-body { padding: 1.5rem; }
  .ficha-header { padding: 1.5rem; }
}

/* ─── ANIMATIONS ─────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }