/* ============================================================
   PUEBLA SERVICES — IBM CARBON-INSPIRED DESIGN
   Dark · Light Mode | IBM Blue Palette | IBM Plex Fonts
   ============================================================ */

:root {
  /* ── DARK (default) ── */
  --bg:          #161616;
  --bg-2:        #262626;
  --bg-3:        #393939;
  --bg-cta:      #161616; /* CTA band — always dark regardless of theme */
  --line:        rgba(255,255,255,0.10);
  --line-strong: rgba(255,255,255,0.20);
  --accent:      #0f62fe;
  --accent-2:    #4589ff;
  --accent-soft: #78a9ff;
  --accent-light:#d0e2ff;
  --text:        #a8a8a8;
  --text-dim:    #6f6f6f;
  --off:         #f4f4f4;

  --btn-from:    #0f62fe;
  --btn-to:      #0f62fe;
  --btn-text:    #ffffff;
  --btn-hover:   #0043ce;
  --btn-shadow:  none;

  --radius:    0px;
  --ff-display: 'IBM Plex Sans', system-ui, sans-serif;
  --ff-body:    'IBM Plex Sans', system-ui, sans-serif;
  --ff-accent:  'IBM Plex Mono', monospace;
  --ease:       cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --container:  1360px;
  --pad:        clamp(16px, 4vw, 48px);
}

[data-theme="light"] {
  --bg:          #ffffff;
  --bg-2:        #f4f4f4;
  --bg-3:        #e0e0e0;
  --bg-cta:      #161616; /* CTA always dark */
  --line:        rgba(0,0,0,0.10);
  --line-strong: rgba(0,0,0,0.20);
  --accent:      #0f62fe;
  --accent-2:    #0043ce;
  --accent-soft: #0353e9;
  --accent-light:#d0e2ff;
  --text:        #525252;
  --text-dim:    #a8a8a8;
  --off:         #161616;

  --btn-from:    #0f62fe;
  --btn-to:      #0f62fe;
  --btn-text:    #ffffff;
  --btn-hover:   #0043ce;
  --btn-shadow:  none;
}

/* ========================= RESET ========================= */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scrollbar-width: thin; scrollbar-color: var(--accent) rgba(255,255,255,0.05); }
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--ff-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  transition: background 0.35s var(--ease), color 0.35s;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul { list-style: none; padding: 0; margin: 0; }
input, select, textarea { font: inherit; }
::selection { background: var(--accent); color: #fff; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
  position: relative;
}

/* ========================= TYPE SCALE ========================= */
.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-accent);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.section__eyebrow--light { color: var(--accent-soft); }
[data-theme="light"] .section__eyebrow--light { color: var(--accent); }

.section__title {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: clamp(2rem, 4.5vw, 4.6rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
  color: var(--off);
}
.section__title em {
  font-style: normal;
  color: var(--accent);
}
/* CTA / showcase — on dark bg both themes show white */
.section__title--light { color: #f4f4f4; }
.section__title--light em { color: var(--accent-soft); }

.section__lede {
  font-size: clamp(1rem, 1.35vw, 1.15rem);
  line-height: 1.7;
  color: var(--text);
  max-width: 62ch;
  margin: 0 0 32px;
}
.section__lede--light { color: rgba(244,244,244,0.78); }

/* ========================= BUTTONS ========================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--ff-accent);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  position: relative;
  border-radius: var(--radius);
  transition: background 0.22s, color 0.22s, transform 0.22s, border-color 0.22s;
}
.btn--small { padding: 10px 18px; font-size: 10px; }
.btn--full  { width: 100%; justify-content: center; }

.btn--primary {
  background: var(--btn-from);
  color: var(--btn-text);
  border: 1px solid var(--btn-from);
}
.btn--primary:hover {
  background: var(--btn-hover);
  border-color: var(--btn-hover);
  transform: translateY(-1px);
}

.btn--ghost {
  color: var(--off);
  border: 1px solid var(--line-strong);
  background: transparent;
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent-soft); }

/* Ghost on dark CTA section */
.cta__call {
  color: #f4f4f4;
  border-color: rgba(255,255,255,0.25);
}
.cta__call:hover { border-color: #fff; color: #fff; }

/* ========================= PRELOADER ========================= */
.preloader {
  position: fixed; inset: 0;
  background: var(--bg);
  z-index: 1000;
  display: grid; place-items: center;
  transition: opacity 0.9s var(--ease), visibility 0.9s;
}
.preloader.is-done { opacity: 0; visibility: hidden; }
.preloader__inner { text-align: center; }
.preloader__mark {
  width: 110px; height: 110px;
  margin: 0 auto 28px;
  display: grid; place-items: center;
  position: relative;
}
.preloader__letters {
  font-family: var(--ff-display);
  font-size: 44px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.04em;
  position: relative; z-index: 2;
}
.preloader__ring {
  position: absolute; inset: 0;
  border: 1px solid var(--accent);
  border-top-color: transparent;
  animation: spin 1.1s linear infinite;
}
.preloader__word {
  font-family: var(--ff-accent);
  letter-spacing: 0.55em;
  color: var(--off);
  font-size: 16px;
  padding-left: 0.55em;
}
.preloader__sub {
  font-family: var(--ff-accent);
  letter-spacing: 0.35em;
  color: var(--text-dim);
  font-size: 9.5px;
  margin-top: 8px;
}
.preloader__bar {
  width: 160px; height: 2px;
  margin: 28px auto 0;
  background: var(--bg-3);
  overflow: hidden;
}
.preloader__bar span {
  display: block; height: 100%;
  background: var(--accent);
  animation: loadBar 1.3s var(--ease) infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes loadBar { 0% { transform: translateX(-100%); } 100% { transform: translateX(250%); } }

/* ========================= CURSOR ========================= */
.cursor, .cursor-dot {
  position: fixed;
  pointer-events: none; z-index: 999;
  border-radius: 50%;
  transition: width 0.3s var(--ease), height 0.3s var(--ease);
}
.cursor {
  width: 32px; height: 32px;
  border: 1px solid var(--accent);
  transform: translate(-50%, -50%);
  left: 0; top: 0;
  mix-blend-mode: difference;
}
.cursor-dot {
  width: 5px; height: 5px;
  background: var(--accent);
  transform: translate(-50%, -50%);
  left: 0; top: 0;
}
.cursor.is-hover { width: 60px; height: 60px; }
@media (hover: none), (max-width: 900px) { .cursor, .cursor-dot { display: none; } }

/* ========================= EDGE SCROLL ========================= */
body.edge-up, body.edge-up * { cursor: n-resize !important; }
body.edge-down, body.edge-down * { cursor: s-resize !important; }
body.edge-up a, body.edge-up button,
body.edge-down a, body.edge-down button { cursor: inherit !important; }

/* ========================= THEME TOGGLE ========================= */
.theme-toggle {
  width: 40px; height: 40px;
  border: 1px solid var(--line-strong);
  display: grid; place-items: center;
  color: var(--accent);
  border-radius: var(--radius);
  transition: background 0.22s, border-color 0.22s;
  position: relative;
}
.theme-toggle:hover { background: var(--bg-2); border-color: var(--accent); }

.theme-icon { position: absolute; transition: opacity 0.25s, transform 0.25s; }
.theme-icon--dark  { opacity: 1; transform: rotate(0deg) scale(1); }
.theme-icon--light { opacity: 0; transform: rotate(90deg) scale(0.5); }
[data-theme="light"] .theme-icon--dark  { opacity: 0; transform: rotate(-90deg) scale(0.5); }
[data-theme="light"] .theme-icon--light { opacity: 1; transform: rotate(0deg) scale(1); }

/* ========================= NAV ========================= */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0;
  border-bottom: 1px solid transparent;
  transition: background 0.4s, border-color 0.4s;
}
.nav.is-scrolled {
  background: rgba(22,22,22,0.94);
  border-bottom-color: var(--line-strong);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
[data-theme="light"] .nav.is-scrolled {
  background: rgba(255,255,255,0.95);
  border-bottom-color: var(--line-strong);
}
.nav__inner {
  max-width: var(--container); margin: 0 auto;
  padding: 0 var(--pad);
  display: flex; align-items: stretch; justify-content: space-between;
  height: 60px;
}
.nav__brand {
  display: flex; align-items: center; gap: 10px;
  border-right: 1px solid var(--line);
  padding-right: 28px; margin-right: 8px;
  transition: border-color 0.3s;
}
.nav__brand:hover .nav__brand-mark { background: var(--btn-hover); }
.nav__brand-mark {
  width: 34px; height: 34px;
  background: var(--accent);
  display: grid; place-items: center;
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 13px;
  color: #fff;
  letter-spacing: -0.03em;
  transition: background 0.22s;
}
.nav__brand-word {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--off);
}
.nav__brand-tag {
  font-family: var(--ff-accent);
  font-size: 9px;
  letter-spacing: 0.24em;
  color: var(--text-dim);
  text-transform: uppercase;
}
.nav__links {
  display: flex; align-items: stretch;
  gap: 0;
}
.nav__links a {
  display: flex; align-items: center;
  font-family: var(--ff-accent);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  padding: 0 20px;
  border-right: 1px solid var(--line);
  position: relative;
  transition: color 0.22s, background 0.22s;
}
.nav__links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}
.nav__links a:hover { color: var(--off); background: var(--bg-2); }
.nav__links a:hover::after { transform: scaleX(1); }
.nav__links a.is-current { color: var(--off); }
.nav__links a.is-current::after { transform: scaleX(1); }

.nav__actions {
  display: flex; align-items: center; gap: 0;
  border-left: 1px solid var(--line);
  padding-left: 16px;
}
.nav__actions .theme-toggle { margin-right: 12px; }

.nav__burger {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line-strong);
  position: relative; border-radius: var(--radius);
}
.nav__burger span {
  position: absolute;
  left: 11px; right: 11px; height: 1px;
  background: var(--off);
  transition: all 0.3s var(--ease);
}
.nav__burger span:nth-child(1) { top: 15px; }
.nav__burger span:nth-child(2) { top: 21px; width: 14px; }
.nav__burger span:nth-child(3) { top: 27px; }

/* ========================= MOBILE MENU ========================= */
.mobile-menu {
  position: fixed; inset: 0;
  z-index: 200;
  pointer-events: none; visibility: hidden;
}
.mobile-menu.is-open { pointer-events: auto; visibility: visible; }
.mobile-menu__panel {
  position: absolute; inset: 0;
  background: var(--bg);
  clip-path: circle(0% at calc(100% - 40px) 40px);
  transition: clip-path 0.6s var(--ease);
  display: flex; flex-direction: column;
}
.mobile-menu.is-open .mobile-menu__panel {
  clip-path: circle(150% at calc(100% - 40px) 40px);
}
.mobile-menu__header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0 var(--pad);
  height: 60px;
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}
.mobile-menu__brand {
  font-family: var(--ff-accent);
  font-size: 10px; letter-spacing: 0.32em;
  text-transform: uppercase; color: var(--accent);
}
.mobile-menu__close {
  width: 44px; height: 44px;
  border: 1px solid var(--line-strong);
  display: grid; place-items: center;
  font-size: 20px; color: var(--off);
  transition: background 0.22s, border-color 0.22s;
  border-radius: var(--radius);
}
.mobile-menu__close:hover { background: var(--bg-2); border-color: var(--accent); }
.mobile-menu__nav {
  flex: 1; display: flex; flex-direction: column;
  padding: 24px 0;
}
.mobile-menu__link {
  display: flex; align-items: center; gap: 20px;
  padding: 22px var(--pad);
  border-bottom: 1px solid var(--line);
  font-family: var(--ff-display);
  font-size: clamp(1.6rem, 6vw, 2.4rem);
  font-weight: 600; color: var(--off);
  letter-spacing: -0.02em;
  transition: color 0.25s, padding-left 0.35s var(--ease);
}
.mobile-menu__link span {
  font-family: var(--ff-accent);
  font-size: 10px; color: var(--accent);
  letter-spacing: 0.2em; flex-shrink: 0;
}
.mobile-menu__link:hover { color: var(--accent); padding-left: calc(var(--pad) + 16px); }
.mobile-menu__foot {
  padding: 24px var(--pad);
  border-top: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 8px;
  font-family: var(--ff-accent); font-size: 11px;
  letter-spacing: 0.1em; color: var(--text);
}
.mobile-menu__foot a { transition: color 0.22s; }
.mobile-menu__foot a:hover { color: var(--accent); }

/* ========================= HERO ========================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero__img-wrap {
  position: absolute; inset: 0;
}
.hero__img {
  width: 100%; height: 100%; object-fit: cover;
  filter: brightness(0.28) saturate(0.6);
}
.hero__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(22,22,22,0.95) 0%, rgba(22,22,22,0.7) 50%, rgba(22,22,22,0.6) 100%),
    linear-gradient(180deg, transparent 60%, rgba(22,22,22,0.8) 100%);
}
.hero__grid-overlay {
  position: absolute; inset: 0;
  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);
  background-size: 80px 80px;
}
.hero__content {
  position: relative; z-index: 2;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad);
  width: 100%;
  max-width: 820px;
}
.hero__eyebrow {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--ff-accent);
  font-size: 10.5px; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 28px;
}
.dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }
.hero__title {
  font-size: clamp(3rem, 7vw, 7.2rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.03em;
  margin: 0 0 32px;
  color: #f4f4f4;
  overflow: hidden;
}
.hero__line {
  display: block;
  overflow: hidden;
}
.hero__line--accent { color: var(--accent); }
.hero__lede {
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  line-height: 1.7; color: rgba(244,244,244,0.72);
  max-width: 54ch; margin: 0 0 36px;
}
.hero__cta {
  display: flex; flex-wrap: wrap; gap: 12px;
  margin-bottom: 56px;
}
.hero__cta .btn--ghost { color: rgba(244,244,244,0.82); border-color: rgba(255,255,255,0.25); }
.hero__cta .btn--ghost:hover { border-color: var(--accent); color: var(--accent-soft); }
.hero__proof {
  display: flex; gap: 40px;
  padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.12);
}
.hero__proof div { display: flex; flex-direction: column; gap: 3px; }
.hero__proof strong {
  font-family: var(--ff-display);
  font-size: 2rem; font-weight: 700;
  color: #f4f4f4; letter-spacing: -0.03em;
}
.hero__proof span {
  font-family: var(--ff-accent);
  font-size: 9px; letter-spacing: 0.22em;
  color: rgba(244,244,244,0.55); text-transform: uppercase;
}
.hero__scroll {
  position: absolute; bottom: 40px; left: var(--pad);
  display: flex; align-items: center; gap: 12px;
  font-family: var(--ff-accent); font-size: 9px;
  letter-spacing: 0.32em; text-transform: uppercase;
  color: rgba(244,244,244,0.4); z-index: 2;
  writing-mode: vertical-rl; rotate: 180deg;
}
.hero__scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(rgba(244,244,244,0), rgba(244,244,244,0.35));
  animation: scrollPulse 2.4s ease-in-out infinite;
}
@keyframes scrollPulse { 0%,100% { opacity: 0.4; transform: scaleY(1); } 50% { opacity: 0.9; transform: scaleY(0.7); } }

/* Marquee */
.hero__marquee {
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 40px; z-index: 2; overflow: hidden;
  border-top: 1px solid rgba(255,255,255,0.08);
  background: rgba(22,22,22,0.6);
  backdrop-filter: blur(4px);
  display: flex; align-items: center;
}
.hero__marquee-track {
  display: flex; gap: 0; align-items: center;
  animation: marquee 30s linear infinite;
  white-space: nowrap;
}
.hero__marquee-track span {
  font-family: var(--ff-accent); font-size: 10px;
  letter-spacing: 0.24em; text-transform: uppercase;
  color: rgba(244,244,244,0.45); padding: 0 28px;
}
.hero__marquee-track i {
  color: var(--accent); font-style: normal;
  font-size: 8px; flex-shrink: 0;
}
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ========================= APPROACH ========================= */
.approach {
  padding: clamp(80px, 12vw, 160px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.approach__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: center;
}
.approach__copy { max-width: 560px; }
.pillars { display: flex; flex-direction: column; gap: 0; margin-top: 8px; }
.pillars li {
  display: grid; grid-template-columns: 52px 1fr;
  gap: 20px; padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.pillars li:first-child { border-top: 1px solid var(--line); }
.pillars__num {
  font-family: var(--ff-accent);
  font-size: 11px; letter-spacing: 0.18em;
  color: var(--accent); padding-top: 3px;
  flex-shrink: 0;
}
.pillars h4 {
  font-family: var(--ff-display);
  font-size: 1rem; font-weight: 600;
  color: var(--off); margin: 0 0 6px;
  letter-spacing: -0.01em;
}
.pillars p { font-size: 0.92rem; color: var(--text); margin: 0; line-height: 1.6; }

.approach__visual {
  position: relative;
  aspect-ratio: 4/5; max-height: 620px;
}
.tilt {
  width: 100%; height: 100%; position: relative; overflow: hidden;
  transition: transform 0.6s var(--ease);
}
.tilt img {
  width: 100%; height: 100%; object-fit: cover;
  filter: brightness(0.88) saturate(0.85);
  transition: filter 0.6s;
}
.tilt:hover img { filter: brightness(0.98) saturate(1); }
.tilt__frame {
  position: absolute; inset: 16px -16px -16px 16px;
  border: 1px solid var(--accent); z-index: -1;
  transition: inset 0.5s var(--ease);
}
.tilt:hover .tilt__frame { inset: 20px -20px -20px 20px; }
.tilt__badge {
  position: absolute; bottom: 24px; left: 24px;
  background: var(--accent);
  color: #fff; padding: 12px 18px;
  display: flex; flex-direction: column; gap: 2px;
}
.tilt__badge span { font-family: var(--ff-accent); font-size: 9px; letter-spacing: 0.24em; text-transform: uppercase; }
.tilt__badge strong { font-family: var(--ff-display); font-size: 2rem; font-weight: 700; line-height: 1; }

.approach__ring {
  position: absolute; top: -30px; right: -30px;
  color: var(--text-dim);
  animation: rotateSlow 18s linear infinite;
  pointer-events: none;
}
@keyframes rotateSlow { to { transform: rotate(360deg); } }

/* ========================= SERVICES — PINNED HORIZONTAL ========================= */
.services {
  padding: 0; overflow: hidden;
  border-top: 1px solid var(--line);
}
.services--pin { position: relative; }

.services__pin-inner {
  display: flex; height: 100vh;
  max-height: 820px;
}
.services__aside {
  flex: 0 0 clamp(280px, 30vw, 420px);
  border-right: 1px solid var(--line);
  padding: clamp(40px, 5vw, 72px) clamp(24px, 3vw, 52px);
  display: flex; flex-direction: column; justify-content: center;
  gap: 20px;
  background: var(--bg-2);
}
.services__lede { font-size: clamp(0.95rem, 1.2vw, 1.1rem); color: var(--text); margin: 0; line-height: 1.6; }

.services__controls { display: flex; gap: 0; }
.svc-nav {
  width: 52px; height: 52px;
  border: 1px solid var(--line-strong);
  color: var(--off);
  display: grid; place-items: center;
  transition: background 0.22s, color 0.22s, border-color 0.22s;
  border-radius: var(--radius);
}
.svc-nav + .svc-nav { border-left: 0; }
.svc-nav:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.svc-nav:disabled { opacity: 0.25; pointer-events: none; }

.svc-hint {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--ff-accent); font-size: 9.5px;
  letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--accent);
  animation: hintPulse 2.4s ease-in-out infinite;
}
.svc-hint__arrows { color: var(--accent); }
@keyframes hintLeft  { 0%,100% { transform: translateX(0); opacity: 0.5; } 50% { transform: translateX(-4px); opacity: 1; } }
@keyframes hintRight { 0%,100% { transform: translateX(0); opacity: 0.5; } 50% { transform: translateX(4px); opacity: 1; } }
.svc-hint__arrows path:first-child { animation: hintLeft 2s ease-in-out infinite; }
.svc-hint__arrows path:last-child  { animation: hintRight 2s ease-in-out infinite; }
@keyframes hintPulse { 0%,100% { opacity: 0.6; } 50% { opacity: 1; } }
.svc-hint.is-hidden { opacity: 0; transition: opacity 0.5s; pointer-events: none; }

.services__progress {
  height: 2px; width: 100%; position: relative;
}
.services__progress::before {
  content: ''; position: absolute; inset: 0;
  background: var(--bg-3);
}
.services__progress-fill {
  position: absolute; left: 0; top: 0; bottom: 0; width: 0;
  background: var(--accent);
  transition: width 0.12s linear;
}

.services__rail {
  display: flex; gap: 1px;
  align-items: stretch;
  height: 100%;
  will-change: transform;
  background: var(--line);
}

.svc-card {
  flex: 0 0 clamp(280px, 30vw, 360px);
  scroll-snap-align: start;
  position: relative;
  overflow: hidden;
  background: var(--bg);
  user-select: none;
}
.svc-card__media { position: absolute; inset: 0; overflow: hidden; }
.svc-card__media img {
  width: 100%; height: 100%; object-fit: cover;
  filter: brightness(0.42) saturate(0.7);
  transition: transform 1.4s var(--ease), filter 0.7s;
  pointer-events: none;
}
.svc-card:hover .svc-card__media img { transform: scale(1.07); filter: brightness(0.6) saturate(0.9); }
.svc-card__body {
  position: absolute; inset: auto 0 0 0;
  padding: 28px;
  background: linear-gradient(transparent, rgba(22,22,22,0.96) 42%);
  border-top: 2px solid transparent;
  transition: border-color 0.4s;
}
.svc-card:hover .svc-card__body { border-top-color: var(--accent); }
.svc-card__tag {
  display: inline-block;
  font-family: var(--ff-accent);
  font-size: 9px; letter-spacing: 0.22em;
  color: var(--accent-soft); text-transform: uppercase;
  margin-bottom: 10px;
}
.svc-card h3 {
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: clamp(1.15rem, 1.6vw, 1.5rem);
  margin: 0 0 10px; color: #f4f4f4;
  letter-spacing: -0.015em;
}
.svc-card p { color: rgba(244,244,244,0.72); font-size: 0.9rem; line-height: 1.55; margin: 0 0 16px; }
.svc-card__meta {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--ff-accent); font-size: 9.5px; letter-spacing: 0.18em; text-transform: uppercase;
  border-top: 1px solid rgba(255,255,255,0.12); padding-top: 12px; margin-top: 4px;
}
.svc-card__meta span { color: var(--accent-soft); }
.svc-card__meta a { color: rgba(255,255,255,0.7); transition: color 0.22s; }
.svc-card__meta a:hover { color: var(--accent-soft); }

@media (max-width: 900px) {
  .services { padding: clamp(60px, 10vw, 100px) 0 clamp(40px, 6vw, 60px); }
  .services--pin { min-height: 0; }
  .services__pin-inner { display: block; height: auto; max-height: none; }
  .services__aside {
    max-width: none; border-right: 0; border-bottom: 1px solid var(--line);
    padding: 40px var(--pad) 28px;
    flex-direction: column; gap: 16px;
    background: var(--bg-2);
  }
  .services__controls { display: none; }
  .services__rail {
    display: flex; flex-direction: row;
    overflow-x: auto; overflow-y: hidden;
    scroll-snap-type: x mandatory;
    gap: 1px; height: 480px;
    transform: none !important;
    scrollbar-width: none; -webkit-overflow-scrolling: touch;
    background: var(--line);
  }
  .services__rail::-webkit-scrollbar { display: none; }
  .svc-card { flex: 0 0 82vw; height: 100%; }
  .svc-card__body { transform: translateY(0); }
}

/* ========================= SHOWCASE ========================= */
.showcase {
  position: relative;
  padding: clamp(120px, 18vw, 220px) 0;
  overflow: hidden; min-height: 80vh;
  display: flex; align-items: center;
  border-top: 1px solid var(--line);
}
.showcase__img-wrap { position: absolute; inset: 0; }
.showcase__img {
  width: 100%; height: 100%; object-fit: cover;
  filter: brightness(0.3) saturate(0.6);
}
.showcase__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(22,22,22,0.9) 0%, rgba(22,22,22,0.4) 60%);
}
.showcase__copy { position: relative; z-index: 2; max-width: 680px; }
.showcase__copy .section__title { color: #f4f4f4; }
.showcase__copy .section__title em { color: var(--accent-soft); }
.showcase__copy .section__lede { color: rgba(244,244,244,0.72); }
.showcase__copy .section__eyebrow { color: var(--accent-soft); }

/* ========================= OUR WORK ========================= */
.work {
  padding: clamp(80px, 12vw, 160px) 0 clamp(40px, 6vw, 60px);
  background: var(--bg-2);
  border-top: 1px solid var(--line);
}
.work__head { max-width: 700px; margin-bottom: 60px; }
.work__head .section__eyebrow { display: block; }

.work__swiper { padding: 10px 0 20px; overflow: visible !important; }

.work-card {
  background: var(--bg);
  border: 1px solid var(--line);
  height: 100%;
  transition: border-color 0.3s, transform 0.4s var(--ease);
}
.work-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.work-card__media { aspect-ratio: 16/9; overflow: hidden; }
.work-card__media img {
  width: 100%; height: 100%; object-fit: cover;
  filter: brightness(0.82) saturate(0.85);
  transition: transform 1.4s var(--ease), filter 0.6s;
}
.work-card:hover .work-card__media img { transform: scale(1.05); filter: brightness(0.95) saturate(1); }
.work-card__body { padding: 28px; }
.work-card__tag {
  display: inline-block;
  font-family: var(--ff-accent);
  font-size: 9px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px;
  padding: 4px 0; border-bottom: 1px solid var(--accent);
}
.work-card h3 {
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: clamp(1.1rem, 1.5vw, 1.4rem);
  margin: 0 0 12px; color: var(--off); letter-spacing: -0.015em;
}
.work-card p { color: var(--text); font-size: 0.9rem; line-height: 1.6; margin: 0 0 20px; }
.work-card__metrics {
  display: flex; gap: 24px;
  padding-top: 18px; border-top: 1px solid var(--line);
}
.work-card__metrics li { display: flex; flex-direction: column; gap: 3px; }
.work-card__metrics strong {
  font-family: var(--ff-display);
  font-size: 1.5rem; font-weight: 700;
  color: var(--accent); letter-spacing: -0.025em;
}
.work-card__metrics span {
  font-family: var(--ff-accent);
  font-size: 9px; letter-spacing: 0.18em;
  color: var(--text-dim); text-transform: uppercase;
}

.work__nav {
  display: flex; align-items: center; justify-content: flex-start;
  gap: 0; margin-top: 44px; padding: 0 var(--pad);
}
.work__btn {
  width: 52px; height: 52px;
  border: 1px solid var(--line-strong); color: var(--off);
  display: grid; place-items: center;
  transition: background 0.22s, color 0.22s, border-color 0.22s;
  border-radius: var(--radius);
}
.work__btn + .work__btn { border-left: 0; }
.work__btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

.swiper-pagination {
  position: static !important; width: auto !important;
  display: flex; gap: 1px; margin-left: 24px;
}
.swiper-pagination-bullet {
  width: 24px; height: 2px; border-radius: 0;
  background: var(--bg-3); opacity: 1;
  transition: background 0.35s, width 0.35s;
}
.swiper-pagination-bullet-active { background: var(--accent); width: 48px; }

/* ========================= PACKAGES ========================= */
.menu {
  padding: clamp(60px, 8vw, 120px) 0 clamp(80px, 12vw, 160px);
  background: var(--bg);
  border-top: 1px solid var(--line);
}
.menu__head { max-width: 680px; margin-bottom: 48px; }
.menu__tabs {
  display: flex; gap: 0;
  margin-bottom: 0;
  border: 1px solid var(--line-strong);
  max-width: 640px;
  overflow-x: auto; scrollbar-width: none;
}
.menu__tabs::-webkit-scrollbar { display: none; }
.menu__tab {
  font-family: var(--ff-accent); font-size: 10px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text); padding: 14px 24px;
  flex: 1; white-space: nowrap;
  border-right: 1px solid var(--line-strong);
  transition: background 0.22s, color 0.22s;
}
.menu__tab:last-child { border-right: 0; }
.menu__tab.is-active { background: var(--accent); color: #fff; }
.menu__tab:not(.is-active):hover { background: var(--bg-2); color: var(--off); }

.menu__panels { border-top: 2px solid var(--accent); margin-top: -2px; }
.menu__panel { display: none; }
.menu__panel.is-active { display: block; animation: fadeUp 0.45s var(--ease); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }

.menu__list { border-bottom: 1px solid var(--line); }
.menu__list li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center; gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  font-family: var(--ff-display);
  font-size: clamp(1rem, 1.6vw, 1.35rem);
  font-weight: 500; color: var(--off);
  transition: color 0.22s, padding-left 0.35s var(--ease);
}
.menu__list li:hover { color: var(--accent); padding-left: 8px; }
.menu__list li i { border-bottom: 1px dashed var(--line-strong); align-self: center; height: 1px; }
.menu__list strong {
  font-family: var(--ff-accent); font-weight: 500;
  font-size: 0.9rem; letter-spacing: 0.08em;
  color: var(--accent);
}

/* ========================= VOICES ========================= */
.voices {
  padding: clamp(80px, 12vw, 160px) 0;
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  overflow: hidden;
}
.voices .container { margin-bottom: 52px; }
.voices__swiper { padding: 0 var(--pad); overflow: visible !important; }

.voice {
  padding: 36px 32px;
  border: 1px solid var(--line);
  background: var(--bg);
  margin: 0; height: 100%;
  display: flex; flex-direction: column;
  position: relative;
  transition: border-color 0.3s, transform 0.4s var(--ease);
}
.voice:hover { border-color: var(--accent); transform: translateY(-3px); }
.voice::before {
  content: '"';
  position: absolute; top: 12px; right: 24px;
  font-family: var(--ff-display);
  font-size: 5rem; color: var(--accent); opacity: 0.18; line-height: 1;
}
.voice__avatar {
  width: 48px; height: 48px; overflow: hidden;
  margin-bottom: 20px; flex-shrink: 0;
  border: 2px solid var(--accent);
}
.voice__avatar img { width: 100%; height: 100%; object-fit: cover; }
.voice p {
  font-size: clamp(0.95rem, 1.2vw, 1.1rem);
  line-height: 1.65; font-style: italic;
  color: var(--off); margin: 0 0 24px; flex: 1;
}
.voice footer {
  display: flex; flex-direction: column; gap: 3px;
  padding-top: 16px; border-top: 1px solid var(--line);
  font-family: var(--ff-accent);
}
.voice footer strong {
  font-size: 10px; letter-spacing: 0.2em;
  color: var(--accent); text-transform: uppercase;
}
.voice footer span {
  font-size: 9.5px; letter-spacing: 0.18em;
  color: var(--text-dim); text-transform: uppercase;
}

/* ========================= CTA / CONTACT ========================= */
.cta {
  background: #161616; /* Always dark — IBM always uses dark CTAs */
  position: relative;
  padding: clamp(80px, 12vw, 160px) 0;
  overflow: hidden;
  border-top: 2px solid var(--accent);
}
.cta__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 10% 50%, rgba(15,98,254,0.1), transparent 55%),
    radial-gradient(ellipse at 90% 20%, rgba(69,137,255,0.06), transparent 50%);
  pointer-events: none;
}
.cta__grid {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
/* CTA copy — always on dark bg, so always use light text */
.cta__copy .section__eyebrow { color: var(--accent-soft); }
.cta__copy .section__title { color: #f4f4f4; }
.cta__copy .section__title em { color: var(--accent-soft); }
.cta__copy .section__lede { color: rgba(244,244,244,0.72); }

.cta__list {
  display: flex; flex-direction: column; gap: 12px;
  margin-top: 24px;
}
.cta__list li {
  display: flex; align-items: center; gap: 14px;
  color: rgba(244,244,244,0.78); font-size: 1rem;
}
.cta__list span { color: var(--accent); font-size: 10px; }

.cta__form {
  background: #262626;
  border: 1px solid rgba(255,255,255,0.14);
  padding: clamp(24px, 3vw, 40px);
  scroll-margin-top: 80px;
}
.cta__form label {
  display: flex; flex-direction: column; gap: 6px;
  margin-bottom: 16px;
  font-family: var(--ff-accent);
  font-size: 9.5px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent-soft);
}
.cta__form input, .cta__form select, .cta__form textarea {
  background: #161616;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  color: #f4f4f4;
  padding: 12px 0;
  font-size: 14px; letter-spacing: 0;
  text-transform: none;
  transition: border-color 0.25s;
  width: 100%;
  border-radius: 0;
}
.cta__form input::placeholder,
.cta__form textarea::placeholder { color: rgba(255,255,255,0.28); }
.cta__form select { color: rgba(255,255,255,0.5); }
.cta__form select option { color: #161616; background: #f4f4f4; }
.cta__form textarea { resize: vertical; min-height: 80px; }
.cta__form input:focus, .cta__form select:focus, .cta__form textarea:focus {
  outline: none; border-bottom-color: var(--accent);
}

.field-error {
  display: none; font-family: var(--ff-body);
  font-size: 11px; text-transform: none;
  color: #ff8389; margin-top: 3px;
  animation: fadeUp 0.25s var(--ease);
}
.cta__form label.is-invalid .field-error { display: block; }
.cta__form label.is-invalid input,
.cta__form label.is-invalid select { border-bottom-color: #ff8389; }
.cta__form label.is-valid input,
.cta__form label.is-valid select { border-bottom-color: rgba(15,98,254,0.6); }
.cta__form button { margin-top: 10px; }

.cta__ok {
  display: none;
  margin-top: 14px; padding: 14px 18px;
  background: rgba(15,98,254,0.15);
  border-left: 3px solid var(--accent);
  color: var(--accent-soft); font-size: 0.9rem;
  align-items: center; gap: 10px;
}
.cta__ok.show { display: flex; animation: fadeUp 0.4s var(--ease); }

.hp {
  position: absolute !important;
  width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%);
  white-space: nowrap; border: 0; padding: 0; margin: -1px;
}

/* ========================= CAPTCHA ========================= */
.captcha { margin: 10px 0 14px; user-select: none; -webkit-user-select: none; }
.captcha__track {
  position: relative; height: 44px;
  background: #161616; border: 1px solid rgba(255,255,255,0.18);
  overflow: hidden; display: flex; align-items: center; justify-content: center;
  transition: border-color 0.3s;
}
.captcha[data-verified="true"] .captcha__track { border-color: var(--accent); }
.captcha__fill {
  position: absolute; inset: 0 auto 0 0; width: 0;
  background: rgba(15,98,254,0.25);
  pointer-events: none;
}
.captcha[data-verified="true"] .captcha__fill { width: 100% !important; background: rgba(15,98,254,0.35); }
.captcha__label {
  font-family: var(--ff-accent); font-size: 10px;
  letter-spacing: 0.26em; text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  display: inline-flex; align-items: center; gap: 10px;
  position: relative; z-index: 1;
  transition: opacity 0.3s; pointer-events: none;
}
.captcha__label--done { position: absolute; color: var(--accent-soft); opacity: 0; }
.captcha[data-verified="true"] .captcha__label { opacity: 0; }
.captcha[data-verified="true"] .captcha__label--done { opacity: 1; }
.captcha__arrow { animation: capNudge 1.6s var(--ease) infinite; }
@keyframes capNudge { 0%,100% { transform: translateX(0); opacity: 0.5; } 50% { transform: translateX(6px); opacity: 1; } }

.captcha__handle {
  position: absolute; top: 2px; left: 2px;
  width: 40px; height: 40px;
  background: var(--accent); color: #fff;
  display: grid; place-items: center;
  cursor: grab; touch-action: none; z-index: 2;
  transition: background 0.22s;
}
.captcha__handle:active { cursor: grabbing; background: var(--btn-hover); }
.captcha[data-verified="true"] .captcha__handle { cursor: default; pointer-events: none; background: var(--btn-hover); }

@keyframes capShake {
  0%,100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  50% { transform: translateX(6px); }
  75% { transform: translateX(-3px); }
}

#formSubmit:disabled { opacity: 0.35; cursor: not-allowed; }
#formSubmit:disabled:hover { transform: none; background: var(--btn-from); }

/* ========================= FOOTER ========================= */
.foot {
  background: #161616;
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 80px 0 40px;
}
.foot__grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(4, 1fr);
  gap: 40px; margin-bottom: 60px;
}
.foot__logo {
  font-family: var(--ff-display);
  font-size: 2rem; font-weight: 700; line-height: 1.1;
  letter-spacing: -0.03em; color: #f4f4f4;
  margin-bottom: 14px;
}
.foot__logo span { color: var(--accent); }
.foot__brand p { color: rgba(244,244,244,0.45); font-size: 0.9rem; max-width: 280px; line-height: 1.65; }
.foot h5 {
  font-family: var(--ff-accent); font-size: 9.5px;
  letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 16px;
  padding-bottom: 12px; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.foot p { font-size: 0.88rem; color: rgba(244,244,244,0.5); line-height: 1.9; margin: 0; }
.foot a { transition: color 0.22s; }
.foot a:hover { color: var(--accent-soft); }
.foot__bottom {
  border-top: 1px solid rgba(255,255,255,0.1); padding-top: 28px;
  display: flex; justify-content: space-between;
  font-family: var(--ff-accent); font-size: 9.5px;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(244,244,244,0.3);
  max-width: var(--container); margin: 0 auto;
  padding-left: var(--pad); padding-right: var(--pad);
}

/* ========================= MOBILE TAB BAR ========================= */
.tabbar {
  display: none;
  position: fixed;
  left: 0; right: 0;
  bottom: 0;
  z-index: 90;
  background: rgba(22,22,22,0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 6px 0 max(6px, env(safe-area-inset-bottom));
  justify-content: space-around; align-items: flex-end;
}
[data-theme="light"] .tabbar {
  background: rgba(255,255,255,0.97);
  border-top-color: var(--line-strong);
}
.tabbar__item {
  flex: 1; display: flex; flex-direction: column; align-items: center;
  gap: 4px; padding: 8px 6px; color: rgba(244,244,244,0.4);
  font-family: var(--ff-accent); font-size: 8px;
  letter-spacing: 0.14em; text-transform: uppercase;
  transition: color 0.25s;
}
[data-theme="light"] .tabbar__item { color: var(--text-dim); }
.tabbar__item.is-active { color: var(--accent); }
.tabbar__item.is-active::after { display: none; }

.tabbar__item--cta { flex: 0 0 auto; }
.tabbar__cta {
  width: 48px; height: 48px;
  background: var(--accent);
  color: #fff; display: grid; place-items: center;
  border-radius: var(--radius);
  margin-bottom: 2px;
  transition: background 0.22s;
}
.tabbar__item--cta:hover .tabbar__cta,
.tabbar__item--cta:active .tabbar__cta { background: var(--btn-hover); }

/* ========================= REVEAL ========================= */
[data-reveal] {
  opacity: 0; transform: translateY(32px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
[data-reveal].is-in { opacity: 1; transform: translateY(0); }

/* ========================= RESPONSIVE ========================= */
@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__burger { display: grid; }
  .nav__actions .btn--primary { display: none; }
  .nav__actions { border-left: 0; padding-left: 0; gap: 8px; }

  .approach__grid { grid-template-columns: 1fr; gap: 56px; }
  .approach__visual { order: -1; aspect-ratio: 5/4; max-width: 520px; margin: 0 auto; }
  .approach__ring { top: -10px; right: -10px; }

  .cta__grid { grid-template-columns: 1fr; }

  .foot__grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .foot__brand { grid-column: 1 / -1; }
  .foot__bottom { flex-direction: column; gap: 10px; align-items: center; }

  .tabbar { display: flex; }
  body { padding-bottom: 80px; }

  .hero { padding-top: 90px; padding-bottom: 70px; }
  .hero__marquee { bottom: 0; }
  .hero__scroll { display: none; }
  .hero__proof { gap: 28px; }
  .hero__proof strong { font-size: 1.5rem; }

  .work__head { margin-bottom: 40px; }
  .work__nav { padding: 0 var(--pad); }
  .work__swiper { padding: 10px var(--pad) 20px; }
}

@media (max-width: 640px) {
  .nav__brand-tag { display: none; }
  .hero__title { font-size: clamp(2.6rem, 12vw, 4.5rem); }
  .hero__cta .btn { flex: 1; justify-content: center; }
  .hero__proof { flex-wrap: wrap; gap: 20px; }
  .menu__list li { grid-template-columns: 1fr auto; }
  .menu__list li i { display: none; }
  .voice { padding: 28px 20px; }
  .foot__grid { grid-template-columns: 1fr; text-align: center; }
  .foot__brand p { margin: 0 auto; }
  .tilt__frame { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}