/* ══════════════════════════════════════════════════════════════
   TRIKODE INGENIERÍA — style.css
   ══════════════════════════════════════════════════════════════ */

/* ── TOKENS ──────────────────────────────────────────────────── */
:root {
  color-scheme: light;
  --page:        #ffffff;
  --page-alt:    #f6f9fa;
  --blue:        #edf3f5;
  --blue-mid:    #dce7eb;
  --blue-light:  #c7d7dd;
  --green:       #98ce4f;
  --green-text:  #4e741e;
  --green-dim:   rgba(152, 206, 79, 0.14);
  --cyan:        #33d3e7;
  --cyan-text:   #087987;
  --cyan-dim:    rgba(51, 211, 231, 0.13);
  --ink:         #17212b;
  --ink-strong:  rgba(23, 33, 43, 0.88);
  --ink-secondary: rgba(23, 33, 43, 0.72);
  --ink-muted:   #65727d;
  --ink-subtle:  rgba(23, 33, 43, 0.58);
  --button-ink:  #17212b;
  --surface:     rgba(23, 33, 43, 0.035);
  --surface-hover: rgba(23, 33, 43, 0.06);
  --border:      rgba(23, 33, 43, 0.11);
  --border-hover:rgba(78, 116, 30, 0.38);

  --radius-sm:   8px;
  --radius:      14px;
  --radius-lg:   20px;
  --radius-xl:   28px;

  --transition:  0.25s ease;
  --transition-slow: 0.45s cubic-bezier(0.16, 1, 0.3, 1);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --nav-h: 72px;
  --container: 1100px;
  --section-py: 6rem;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --page:        #080e1d;
  --page-alt:    #0b1427;
  --blue:        #0f1e3d;
  --blue-mid:    #15345f;
  --blue-light:  #1e4a82;
  --green-text:  #98ce4f;
  --green-dim:   rgba(152, 206, 79, 0.15);
  --cyan-text:   #33d3e7;
  --cyan-dim:    rgba(51, 211, 231, 0.12);
  --ink:         #f5f7fa;
  --ink-strong:  rgba(255, 255, 255, 0.88);
  --ink-secondary: rgba(255, 255, 255, 0.76);
  --ink-muted:   #aeb9c5;
  --ink-subtle:  rgba(255, 255, 255, 0.68);
  --surface:     rgba(255, 255, 255, 0.045);
  --surface-hover: rgba(255, 255, 255, 0.09);
  --border:      rgba(255, 255, 255, 0.12);
  --border-hover:rgba(152, 206, 79, 0.35);
}

/* ── RESET ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background-color: var(--page);
  color: var(--ink);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
input, textarea, select { font-family: var(--font); }

/* ── HELPERS ─────────────────────────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.gradient-text {
  background: linear-gradient(135deg, var(--green-text) 0%, var(--cyan-text) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan-text);
  margin-bottom: 0.85rem;
}

.section-title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--ink-secondary);
  line-height: 1.7;
  max-width: 520px;
}

.section-header {
  margin-bottom: 3.5rem;
}

.section { padding: var(--section-py) 0; }

/* ── BUTTONS ─────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--green) 0%, var(--cyan) 100%);
  color: var(--button-ink);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  box-shadow: 0 4px 24px rgba(152, 206, 79, 0.25);
  white-space: nowrap;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(152, 206, 79, 0.40);
  opacity: 0.95;
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--surface-hover);
  border: 1px solid var(--border);
  color: var(--ink-strong);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn-ghost:hover {
  background: var(--surface-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

/* ── NAV ─────────────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(255, 255, 255, 0);
  backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
  transition: background 0.4s ease, backdrop-filter 0.4s ease, border-color 0.4s ease;
}
#navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  border-color: var(--border);
}
html[data-theme="dark"] #navbar { background: rgba(8, 14, 29, 0); }
html[data-theme="dark"] #navbar.scrolled { background: rgba(8, 14, 29, 0.88); }

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.brand-logo {
  display: block;
  width: 150px;
  height: auto;
}
html[data-theme="dark"] .brand-logo {
  mix-blend-mode: screen;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.language-select {
  width: 148px;
  min-width: 0;
  padding: 0.55rem 0.65rem;
  color: var(--ink-strong);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  cursor: pointer;
}
.language-select:focus-visible {
  outline: 2px solid var(--cyan-text);
  outline-offset: 3px;
}
.language-select option {
  color: var(--ink);
  background: var(--page);
}
.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-secondary);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover {
  color: var(--ink);
  background: var(--surface-hover);
}

.btn-nav-cta {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--button-ink);
  background: linear-gradient(135deg, var(--green), var(--cyan));
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-sm);
  transition: opacity var(--transition), transform var(--transition);
  flex-shrink: 0;
}
.btn-nav-cta:hover { opacity: 0.9; transform: translateY(-1px); }

.theme-toggle {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  color: var(--ink-strong);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50%;
  transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition);
}
.theme-toggle:hover {
  background: var(--surface-hover);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}
.theme-toggle:focus-visible {
  outline: 2px solid var(--cyan-text);
  outline-offset: 3px;
}
.theme-icon { width: 19px; height: 19px; }
.theme-icon-sun { display: none; }
html[data-theme="dark"] .theme-icon-moon { display: none; }
html[data-theme="dark"] .theme-icon-sun { display: block; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  border-radius: 6px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  z-index: 999;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transform: translateY(-110%);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s ease;
  pointer-events: none;
}
.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}
html[data-theme="dark"] .mobile-menu { background: rgba(8, 14, 29, 0.97); }
.mobile-link {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ink-strong);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.mobile-link:hover { background: var(--surface-hover); color: var(--ink); }
.mobile-cta { margin-top: 0.5rem; justify-content: center; }

/* ── HERO ────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero-orb-1 {
  width: 700px; height: 700px;
  top: -200px; left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(ellipse, rgba(152, 206, 79, 0.12) 0%, transparent 70%);
}
.hero-orb-2 {
  width: 400px; height: 400px;
  bottom: 10%; right: 5%;
  background: radial-gradient(ellipse, rgba(51, 211, 231, 0.12) 0%, transparent 65%);
  filter: blur(60px);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(23,33,43,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23,33,43,0.035) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 0%, transparent 70%);
}
html[data-theme="dark"] .hero-grid {
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
}

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 6rem 1.5rem 5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(152, 206, 79, 0.08);
  border: 1px solid rgba(152, 206, 79, 0.25);
  color: var(--green-text);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  margin-bottom: 2.25rem;
  text-transform: uppercase;
}

.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse-dot 2s ease infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero-title {
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--ink-secondary);
  max-width: 580px;
  margin: 0 auto 2.5rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 4.5rem;
}

.hero-stats {
  display: inline-flex;
  align-items: center;
  gap: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.25rem 2.5rem;
}
.stat-item { text-align: center; }
.stat-num {
  display: block;
  font-size: 1.6rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--green-text), var(--cyan-text));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  display: block;
  font-size: 0.72rem;
  color: var(--ink-muted);
  margin-top: 0.25rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
  flex-shrink: 0;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink-muted);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: fadeInUp 1s ease 1.5s both;
}
.scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--ink-muted), transparent);
  animation: scroll-line 1.8s ease infinite;
}
@keyframes scroll-line {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ── SERVICES ────────────────────────────────────────────────── */
.services-section {
  background: linear-gradient(180deg, var(--page) 0%, var(--page-alt) 100%);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  cursor: default;
  transition: border-color var(--transition), transform var(--transition-slow), background var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--green-dim) 0%, var(--cyan-dim) 100%);
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}
.service-card:hover::before { opacity: 1; }

.card-featured {
  border-color: rgba(152, 206, 79, 0.2);
  grid-column: span 1;
}

.service-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(152, 206, 79, 0.2), rgba(51, 211, 231, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-text);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.service-content {
  flex: 1;
  position: relative;
  z-index: 1;
}
.service-content h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.45rem;
  color: var(--ink);
}
.service-content p {
  font-size: 0.88rem;
  color: var(--ink-secondary);
  line-height: 1.65;
}

.service-arrow {
  color: var(--green);
  font-size: 1.2rem;
  align-self: flex-end;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity var(--transition), transform var(--transition);
  position: relative;
  z-index: 1;
}
.service-card:hover .service-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ── WHY US ──────────────────────────────────────────────────── */
.why-section {
  background: var(--page-alt);
  position: relative;
  overflow: hidden;
}
.why-section::before {
  content: '';
  position: absolute;
  top: 0; left: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(ellipse, rgba(51, 211, 231, 0.1) 0%, transparent 65%);
  filter: blur(60px);
  pointer-events: none;
}

.why-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.why-left .section-sub { max-width: 400px; }

.why-right {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.why-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  transition: border-color var(--transition), transform var(--transition-slow);
}
.why-card:hover {
  border-color: rgba(152, 206, 79, 0.25);
  transform: translateX(6px);
}

.why-num {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--green-text);
  opacity: 0.6;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.why-card-content h3 {
  font-size: 0.97rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: var(--ink-strong);
}
.why-card-content p {
  font-size: 0.87rem;
  color: var(--ink-muted);
  line-height: 1.6;
}

/* ── PORTFOLIO ───────────────────────────────────────────────── */
.portfolio-section {
  background: linear-gradient(180deg, var(--page-alt) 0%, var(--page) 100%);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.5rem;
}

.portfolio-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

/* Text-only card (no image) */
.portfolio-text-card {
  display: flex;
  flex-direction: column;
}
.portfolio-text-card .portfolio-card-body {
  flex: 1;
  padding: 2rem;
}

.portfolio-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition-slow);
}
.portfolio-card:hover {
  border-color: rgba(152, 206, 79, 0.3);
  transform: translateY(-4px);
}

.portfolio-card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--blue);
}
.portfolio-card-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.portfolio-card:hover .portfolio-card-image img {
  transform: scale(1.04);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(23, 33, 43, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.portfolio-card:hover .portfolio-overlay { opacity: 1; }

.portfolio-visit {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--page);
  color: var(--ink);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius);
  transition: transform var(--transition);
}
.portfolio-visit:hover { transform: scale(1.04); }

.portfolio-card-body {
  padding: 1.75rem;
}

.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.9rem;
}
.tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cyan-text);
  background: var(--cyan-dim);
  border: 1px solid rgba(51, 211, 231, 0.2);
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
}

.portfolio-card-body h3 {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
}
.portfolio-card-body p {
  font-size: 0.88rem;
  color: var(--ink-secondary);
  line-height: 1.65;
  margin-bottom: 1.1rem;
}
.portfolio-link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--green-text);
  transition: opacity var(--transition);
}
.portfolio-link:hover { opacity: 0.75; }

/* Coming soon card */
.portfolio-coming {
  display: flex;
  align-items: stretch;
}
.portfolio-coming-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 2rem;
  flex: 1;
  border: 1px dashed rgba(23,33,43,0.18);
  border-radius: var(--radius-lg);
  background: transparent;
}
.portfolio-coming { background: transparent; border: none; }
.portfolio-coming:hover { transform: none; border-color: transparent; }
.portfolio-coming-inner:hover {
  border-color: rgba(152, 206, 79, 0.25);
}

.coming-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-muted);
  margin-bottom: 1.25rem;
}
.portfolio-coming-inner h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--ink-strong);
}
.portfolio-coming-inner p {
  font-size: 0.88rem;
  color: var(--ink-muted);
  line-height: 1.65;
  max-width: 240px;
}

/* ── CONTACT ─────────────────────────────────────────────────── */
.contact-section {
  background: var(--page);
  position: relative;
  overflow: hidden;
}
.contact-section::after {
  content: '';
  position: absolute;
  bottom: 0; right: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(ellipse, rgba(51, 211, 231, 0.1) 0%, transparent 65%);
  filter: blur(50px);
  pointer-events: none;
}

.contact-inner {
  max-width: 560px;
  position: relative;
  z-index: 1;
}

.contact-details {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}
.contact-detail-item:hover { border-color: rgba(152, 206, 79, 0.25); }

.contact-detail-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--green-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-text);
  flex-shrink: 0;
}

#whatsapp-link .contact-detail-icon {
  background: rgba(37, 211, 102, 0.12);
  color: #25d366;
}

.contact-detail-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.1rem;
}
.contact-detail-value {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-strong);
}

/* ── FOOTER ──────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.footer-tagline {
  font-size: 0.82rem;
  color: var(--ink-muted);
  margin-left: 0.2rem;
}
.footer-nav {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}
.footer-link {
  font-size: 0.85rem;
  color: var(--ink-muted);
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}
.footer-link:hover { color: var(--ink-strong); background: var(--surface-hover); }
.footer-copy {
  font-size: 0.78rem;
  color: var(--ink-muted);
}

/* ── REVEAL ANIMATIONS ───────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}
[data-delay="1"] { transition-delay: 0.1s; }
[data-delay="2"] { transition-delay: 0.2s; }
[data-delay="3"] { transition-delay: 0.3s; }
[data-delay="4"] { transition-delay: 0.4s; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 1080px) {
  .nav-links, .btn-nav-cta { display: none; }
  .hamburger { display: flex; }
  .nav-inner { gap: 0.75rem; }
}

@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-inner { grid-template-columns: 1fr; gap: 3rem; }
  .why-left .section-sub { max-width: 100%; }
  .portfolio-grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --section-py: 4rem; }

  .hero-title { font-size: clamp(2.2rem, 9vw, 3.5rem); }
  .hero-sub br { display: none; }
  .hero-stats {
    flex-direction: column;
    gap: 1.25rem;
    padding: 1.5rem;
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
  }
  .stat-divider { width: 100%; height: 1px; }

  .services-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-nav { justify-content: center; }

  .hero-scroll-hint { display: none; }
}

@media (max-width: 480px) {
  .nav-inner { gap: 0.4rem; padding: 0 0.75rem; }
  .brand-logo { width: 112px; }
  .language-select { width: 92px; padding: 0.45rem 0.2rem; font-size: 0.72rem; }
  .theme-toggle { width: 36px; height: 36px; flex-basis: 36px; }

  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn-primary,
  .hero-actions .btn-ghost { width: 100%; justify-content: center; }
}