/* =========================================
   Plan-O Global — Dark Forest Design System
   ========================================= */

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { overflow-x: hidden; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
img, video { display: block; max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
ul, ol { list-style: none; }

/* --- Custom Properties --- */
:root {
  --carbon: #1A1A1A;
  --carbon-deep: #111111;
  --carbon-surface: #222222;
  --carbon-elevated: #2A2A2A;
  --marfil: #F5F0EB;
  --marfil-dim: rgba(245, 240, 235, 0.85);
  --oliva: #B5C327;
  --oliva-dim: rgba(181, 195, 39, 0.15);
  --oliva-hover: #c8d640;
  --dorado: #C4A265;
  --dorado-dim: rgba(196, 162, 101, 0.15);
  --text-light: #F5F0EB;
  --text-light-muted: rgba(245, 240, 235, 0.55);
  --text-dark: #1A1A1A;
  --border-subtle: rgba(245, 240, 235, 0.08);
  --border-hover: rgba(245, 240, 235, 0.15);
  --shadow-luxury: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Outfit', system-ui, sans-serif;
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.65vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.5vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.5rem + 2.5vw, 3.5rem);
  --text-hero: clamp(2.75rem, 2rem + 4vw, 6rem);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-luxury: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-base: 0.4s var(--ease-out);
  --container: min(90rem, 92vw);
  --gap: clamp(1rem, 2vw, 2rem);
}

/* --- Base --- */
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 300;
  line-height: 1.7;
  color: var(--text-light);
  background-color: var(--carbon-deep);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

/* --- Utilities --- */
.container { width: var(--container); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.accent { color: var(--oliva); }
.accent-gold { color: var(--dorado); }
.label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--oliva);
}
/* .reveal — CSS-only reveal system.
   JS adds .js-ready to <html>, which enables the hidden state.
   Without JS, elements stay fully visible (progressive enhancement). */
html.js-ready .reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
html.js-ready .reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: transform 0.4s var(--ease-luxury), background 0.4s ease;
}
.nav.scrolled {
  background: rgba(17, 17, 17, 0.85);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.75rem 0;
}
.nav.hidden { transform: translateY(-100%); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo img {
  height: 36px;
  width: auto;
  filter: brightness(0) invert(1);
}
.nav-links {
  display: flex;
  gap: 2.5rem;
}
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--text-light-muted);
  transition: color var(--transition-base);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--oliva);
  transition: width var(--transition-base);
}
.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text-light);
}
.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  width: 100%;
}
.nav-cta {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--carbon-deep);
  background: var(--oliva);
  padding: 0.6rem 1.5rem;
  border-radius: 100px;
  transition: background var(--transition-base), transform 0.3s ease;
}
.nav-cta:hover { background: var(--oliva-hover); transform: translateY(-1px); }
.nav-cta:focus-visible { outline: 2px solid var(--oliva); outline-offset: 3px; }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 28px;
  padding: 4px 0;
  z-index: 1001;
}
.nav-hamburger span {
  display: block;
  height: 2px;
  background: var(--text-light);
  border-radius: 2px;
  transition: transform 0.4s var(--ease-luxury), opacity 0.3s ease;
}
.nav-hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Mobile menu */
.nav-mobile {
  position: fixed;
  inset: 0;
  background: rgba(17, 17, 17, 0.97);
  backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s var(--ease-luxury);
  z-index: 999;
}
.nav-mobile.open { opacity: 1; pointer-events: all; }
.nav-mobile a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 300;
  color: var(--text-light);
  transition: color var(--transition-base);
}
.nav-mobile a:hover { color: var(--oliva); }

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(17, 17, 17, 0.7) 0%,
    rgba(17, 17, 17, 0.4) 40%,
    rgba(17, 17, 17, 0.6) 70%,
    rgba(17, 17, 17, 0.95) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 8rem;
  max-width: 52rem;
}
.hero h1 {
  font-size: var(--text-hero);
  font-weight: 300;
  line-height: 1.05;
  margin-bottom: 1.5rem;
}
.hero h1 em {
  font-style: italic;
  color: var(--oliva);
}
.hero-sub {
  font-size: var(--text-lg);
  color: var(--text-light-muted);
  max-width: 36rem;
  margin-bottom: 0.75rem;
}
.hero-desc {
  font-size: var(--text-base);
  color: var(--text-light-muted);
  max-width: 40rem;
  margin-bottom: 2.5rem;
  opacity: 0.7;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--carbon-deep);
  background: var(--oliva);
  padding: 1rem 2rem;
  border-radius: 100px;
  transition: background var(--transition-base), transform 0.3s ease, box-shadow 0.3s ease;
}
.btn-primary:hover {
  background: var(--oliva-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(181, 195, 39, 0.25);
}
.btn-primary:focus-visible { outline: 2px solid var(--oliva); outline-offset: 3px; }
.btn-primary svg { width: 16px; height: 16px; transition: transform 0.3s ease; }
.btn-primary:hover svg { transform: translateX(3px); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--text-light);
  border: 1px solid var(--border-hover);
  padding: 1rem 2rem;
  border-radius: 100px;
  transition: border-color var(--transition-base), background var(--transition-base), transform 0.3s ease;
}
.btn-outline:hover {
  border-color: var(--text-light);
  background: rgba(245, 240, 235, 0.05);
  transform: translateY(-2px);
}
.btn-outline:focus-visible { outline: 2px solid var(--marfil); outline-offset: 3px; }
.btn-outline svg { width: 16px; height: 16px; }

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-light-muted);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  animation: float 2s ease-in-out infinite;
  pointer-events: none;
  z-index: 1;
}
.hero-scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(180deg, var(--text-light-muted), transparent);
}
@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* --- Section Common --- */
.section {
  padding: clamp(5rem, 10vw, 9rem) 0;
}
.section-dark { background: var(--carbon-deep); }
.section-surface { background: var(--carbon); }
.section-elevated { background: var(--carbon-surface); }

.section-header {
  margin-bottom: clamp(3rem, 6vw, 5rem);
  max-width: 48rem;
}
.section-header.centered {
  text-align: center;
  margin-inline: auto;
}
.section-header h2 {
  font-size: var(--text-2xl);
  margin-top: 1rem;
  margin-bottom: 1.25rem;
}
.section-header h2 em {
  font-style: italic;
  color: var(--oliva);
}
.section-header p {
  color: var(--text-light-muted);
  font-size: var(--text-lg);
  max-width: 38rem;
}
.section-header.centered p { margin-inline: auto; }

/* --- About / Stats --- */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}
.about-text blockquote {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--marfil-dim);
  border-left: 2px solid var(--dorado);
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
}
.about-text p {
  color: var(--text-light-muted);
  margin-bottom: 1rem;
}
.about-values {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
}
.about-value {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-sm);
  color: var(--text-light-muted);
}
.about-value-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--oliva);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.stat-card {
  background: var(--carbon-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: border-color var(--transition-base), transform 0.3s ease;
}
.stat-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}
.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--oliva);
  display: block;
  margin-bottom: 0.25rem;
}
.stat-label {
  font-size: var(--text-sm);
  color: var(--text-light-muted);
}

/* --- Technology Bento Grid --- */
.tech-bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.tech-card {
  background: var(--carbon-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 4vw, 3rem);
  overflow: hidden;
  transition: border-color var(--transition-base), transform 0.4s var(--ease-luxury);
  position: relative;
}
.tech-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--oliva), var(--dorado));
  opacity: 0;
  transition: opacity var(--transition-base);
}
.tech-card:hover::before { opacity: 1; }
.tech-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}
.tech-card-icon {
  width: 48px; height: 48px;
  background: var(--oliva-dim);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--oliva);
}
.tech-card-icon svg { width: 24px; height: 24px; }
.tech-card-label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--dorado);
  margin-bottom: 0.75rem;
}
.tech-card h3 {
  font-size: var(--text-xl);
  margin-bottom: 1rem;
}
.tech-card p {
  color: var(--text-light-muted);
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* --- Features Strip --- */
.features-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.feature-item {
  background: var(--carbon);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  text-align: center;
  transition: background var(--transition-base);
}
.feature-item:hover { background: var(--carbon-surface); }
.feature-icon {
  width: 40px; height: 40px;
  margin: 0 auto 1rem;
  color: var(--oliva);
}
.feature-icon svg { width: 100%; height: 100%; }
.feature-item h4 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: 0.5rem;
}
.feature-item p {
  font-size: var(--text-xs);
  color: var(--text-light-muted);
  line-height: 1.6;
}

/* --- Projects Gallery --- */
.projects-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}
.projects-header .section-header { margin-bottom: 0; }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: var(--gap);
}
.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
}
.project-card.large {
  grid-column: span 2;
  grid-row: span 2;
  aspect-ratio: auto;
}
.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-luxury);
}
.project-card:hover img { transform: scale(1.08); }
.project-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(17, 17, 17, 0.9) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(1.25rem, 3vw, 2rem);
  transition: background var(--transition-base);
}
.project-card:hover .project-card-overlay {
  background: linear-gradient(180deg, transparent 20%, rgba(17, 17, 17, 0.95) 100%);
}
.project-card h3 {
  font-size: var(--text-xl);
  margin-bottom: 0.25rem;
  transform: translateY(8px);
  transition: transform 0.5s var(--ease-luxury);
}
.project-card:hover h3 { transform: translateY(0); }
.project-card-desc {
  font-size: var(--text-sm);
  color: var(--text-light-muted);
  margin-bottom: 0.25rem;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s ease 0.05s, transform 0.5s var(--ease-luxury) 0.05s;
}
.project-card:hover .project-card-desc { opacity: 1; transform: translateY(0); }
.project-card-location {
  font-size: var(--text-xs);
  color: var(--dorado);
  letter-spacing: 0.05em;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s ease 0.1s, transform 0.5s var(--ease-luxury) 0.1s;
}
.project-card:hover .project-card-location { opacity: 1; transform: translateY(0); }

.projects-cta-row {
  text-align: center;
  margin-top: clamp(2rem, 4vw, 3rem);
}

/* --- Process Timeline --- */
.process-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}
.process-sticky {
  position: sticky;
  top: 8rem;
}
.process-steps { counter-reset: step; }
.process-step {
  position: relative;
  padding: 2rem 0 2rem 4rem;
  border-left: 1px solid var(--border-subtle);
  transition: border-color var(--transition-base);
}
.process-step:last-child { border-left-color: transparent; }
.process-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: -1.25rem;
  top: 2rem;
  width: 2.5rem; height: 2.5rem;
  background: var(--carbon-deep);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--dorado);
  transition: border-color var(--transition-base), color var(--transition-base), background var(--transition-base);
}
.process-step:hover::before {
  border-color: var(--oliva);
  color: var(--oliva);
  background: var(--oliva-dim);
}
.process-step h4 {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 500;
  margin-bottom: 0.5rem;
}
.process-step p {
  color: var(--text-light-muted);
  font-size: var(--text-sm);
}

/* --- Testimonials --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.testimonial-card {
  background: var(--carbon-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 4vw, 2.5rem);
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-base), transform 0.4s var(--ease-luxury);
}
.testimonial-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}
.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: 1.5rem;
  color: var(--dorado);
}
.testimonial-stars svg { width: 16px; height: 16px; }
.testimonial-quote {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  font-weight: 300;
  line-height: 1.6;
  color: var(--marfil-dim);
  flex: 1;
  margin-bottom: 2rem;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
}
.testimonial-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--dorado-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--dorado);
  flex-shrink: 0;
}
.testimonial-name {
  font-weight: 500;
  font-size: var(--text-sm);
}
.testimonial-role {
  font-size: var(--text-xs);
  color: var(--text-light-muted);
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 5rem);
  align-items: start;
}
.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 2.5rem;
}
.contact-info-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--carbon-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base);
}
.contact-info-card:hover { border-color: var(--border-hover); }
.contact-info-icon {
  width: 44px; height: 44px;
  background: var(--oliva-dim);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--oliva);
  flex-shrink: 0;
}
.contact-info-icon svg { width: 20px; height: 20px; }
.contact-info-label {
  font-size: var(--text-xs);
  color: var(--text-light-muted);
  letter-spacing: 0.05em;
}
.contact-info-value {
  font-size: var(--text-sm);
  font-weight: 400;
}
.contact-info-value a {
  transition: color var(--transition-base);
}
.contact-info-value a:hover { color: var(--oliva); }

/* Briefing card — HERO-level CTA */
.briefing-card {
  position: relative;
  background: linear-gradient(135deg, rgba(181, 195, 39, 0.12), rgba(196, 162, 101, 0.08));
  border: 2px solid var(--oliva);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 4vw, 3rem);
  margin-top: 2.5rem;
  overflow: hidden;
}
.briefing-card::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at 30% 30%, rgba(181, 195, 39, 0.08), transparent 60%);
  pointer-events: none;
}
.briefing-card .briefing-emoji {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  display: block;
}
.briefing-card .briefing-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 300;
  font-style: italic;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}
.briefing-card .briefing-sub {
  color: var(--text-light-muted);
  font-size: var(--text-base);
  margin-bottom: 1.5rem;
}
.briefing-card .btn-briefing {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--carbon-deep);
  background: var(--oliva);
  padding: 1.1rem 2.5rem;
  border-radius: 100px;
  transition: background var(--transition-base), transform 0.3s ease, box-shadow 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.briefing-card .btn-briefing:hover {
  background: var(--oliva-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(181, 195, 39, 0.35);
}
.briefing-card .btn-briefing svg { width: 20px; height: 20px; transition: transform 0.3s ease; }
.briefing-card .btn-briefing:hover svg { transform: translateX(4px); }

/* Form */
.contact-form-card {
  background: var(--carbon-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 4vw, 3rem);
}
.contact-form-card h3 {
  font-size: var(--text-xl);
  margin-bottom: 0.5rem;
}
.contact-form-card > p {
  color: var(--text-light-muted);
  font-size: var(--text-sm);
  margin-bottom: 2rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-light-muted);
  margin-bottom: 0.5rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 300;
  color: var(--text-light);
  background: var(--carbon-deep);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  transition: border-color var(--transition-base), box-shadow 0.3s ease;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--oliva);
  box-shadow: 0 0 0 3px var(--oliva-dim);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-light-muted);
  opacity: 0.5;
}
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23F5F0EB' opacity='0.5' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}
.form-group select option {
  background: var(--carbon-deep);
  color: var(--text-light);
}
.form-group textarea {
  resize: vertical;
  min-height: 100px;
}
.form-submit {
  width: 100%;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--carbon-deep);
  background: var(--oliva);
  padding: 1rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition-base), transform 0.3s ease, box-shadow 0.3s ease;
  margin-top: 0.5rem;
}
.form-submit:hover {
  background: var(--oliva-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(181, 195, 39, 0.2);
}
.form-submit:focus-visible {
  outline: 2px solid var(--oliva);
  outline-offset: 3px;
}

/* --- Footer --- */
.footer {
  background: var(--carbon-deep);
  border-top: 1px solid var(--border-subtle);
  padding: clamp(3rem, 6vw, 5rem) 0 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  margin-bottom: 3rem;
}
.footer-brand img {
  height: 32px;
  filter: brightness(0) invert(1);
  margin-bottom: 1.25rem;
}
.footer-brand p {
  font-size: var(--text-sm);
  color: var(--text-light-muted);
  max-width: 28rem;
  margin-bottom: 1.5rem;
}
.footer-social {
  display: flex;
  gap: 0.75rem;
}
.footer-social a {
  width: 40px; height: 40px;
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light-muted);
  transition: border-color var(--transition-base), color var(--transition-base), background var(--transition-base);
}
.footer-social a:hover {
  border-color: var(--oliva);
  color: var(--oliva);
  background: var(--oliva-dim);
}
.footer-social a svg { width: 18px; height: 18px; }
.footer-col h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 1.25rem;
}
.footer-col a {
  display: block;
  font-size: var(--text-sm);
  color: var(--text-light-muted);
  padding: 0.3rem 0;
  transition: color var(--transition-base);
}
.footer-col a:hover { color: var(--text-light); }
.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  color: var(--text-light-muted);
}

/* --- WhatsApp Float --- */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
  width: 56px; height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
  transition: transform 0.3s var(--ease-luxury), box-shadow 0.3s ease;
}
.whatsapp-float:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
}
.whatsapp-float svg { width: 28px; height: 28px; fill: white; }
.whatsapp-float .tooltip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--carbon-surface);
  color: var(--text-light);
  font-size: var(--text-xs);
  white-space: nowrap;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.whatsapp-float:hover .tooltip { opacity: 1; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .about-content { grid-template-columns: 1fr; }
  .tech-bento { grid-template-columns: 1fr 1fr; }
  .features-strip { grid-template-columns: 1fr 1fr; }
  .projects-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
  .project-card.large {
    grid-column: span 2;
    grid-row: span 1;
    aspect-ratio: 16/9;
  }
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
  .testimonials-grid .testimonial-card:last-child { grid-column: span 2; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .process-sticky { position: static; }
}

@media (max-width: 640px) {
  .tech-bento { grid-template-columns: 1fr; }
  .features-strip { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card.large {
    grid-column: span 1;
    aspect-ratio: 4/3;
  }
  .projects-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
  .testimonials-grid { grid-template-columns: 1fr; }
  .testimonials-grid .testimonial-card:last-child { grid-column: span 1; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 0.75rem; text-align: center; }
  .stats-grid { grid-template-columns: 1fr; }
  .about-values { flex-direction: column; gap: 1rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn-primary,
  .hero-actions .btn-outline { width: 100%; justify-content: center; }
}

/* --- Gallery Modal --- */
.gallery-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.95);
  align-items: center;
  justify-content: center;
}
.gallery-modal.active { display: flex; }
.gallery-modal-close {
  position: absolute;
  top: 20px; right: 24px;
  background: none; border: none;
  color: #fff;
  font-size: 2.5rem;
  cursor: pointer;
  z-index: 10002;
  line-height: 1;
  opacity: 0.7;
  transition: opacity 0.3s;
}
.gallery-modal-close:hover { opacity: 1; }
.gallery-modal-title {
  position: absolute;
  top: 24px; left: 24px;
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  z-index: 10002;
}
.gallery-modal-counter {
  position: absolute;
  bottom: 24px; left: 50%;
  transform: translateX(-50%);
  color: var(--text-light-muted);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  z-index: 10002;
}
.gallery-modal-img-wrap {
  position: relative;
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 60px;
}
.gallery-modal-img-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.gallery-modal-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10002;
  transition: background 0.3s;
  border-radius: 50%;
}
.gallery-modal-arrow:hover { background: rgba(255,255,255,0.18); }
.gallery-modal-arrow.left { left: 16px; }
.gallery-modal-arrow.right { right: 16px; }
.gallery-modal-arrow svg { width: 24px; height: 24px; }

@media (max-width: 640px) {
  .gallery-modal-img-wrap { padding: 60px 16px; }
  .gallery-modal-arrow { width: 40px; height: 40px; }
  .gallery-modal-arrow.left { left: 8px; }
  .gallery-modal-arrow.right { right: 8px; }
  .gallery-modal-title { font-size: 1.1rem; top: 16px; left: 16px; max-width: 60%; }
  .gallery-modal-close { top: 12px; right: 16px; }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .hero-scroll { animation: none; }
}
