@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@700;800&family=Inter:wght@300;400;500;600&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --red:       #C41230;
  --red-dark:  #a50e26;
  --black:     #0f0f0f;
  --dark:      #161616;
  --page-bg:   #f5f4f2;
  --card-bg:   #ffffff;
  --border:    rgba(0,0,0,0.09);
  --border-dark: rgba(255,255,255,0.07);
  --mid:       #a0a0a0;
  --text:      #3a3a3a;
  --text-mid:  #666666;
  --light:     #dedede;
  --white:     #f5f5f5;
  --display:   'Montserrat', sans-serif;
  --body:      'Inter', sans-serif;
  --max:       1200px;
  --nav-h:     72px;
  --radius:    4px;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--page-bg);
  color: var(--text);
  font-family: var(--body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Utilities ─────────────────────────────────────────────── */
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 40px; }
.label {
  display: block;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--red);
}

/* ── Navigation ────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  padding: 0 40px;
  background: transparent;
  transition: background 0.4s, box-shadow 0.4s;
}
.nav.scrolled {
  background: rgba(245,244,242,0.96);
  box-shadow: 0 1px 0 var(--border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.nav.scrolled .nav__links a { color: var(--text); }
.nav.scrolled .nav__wordmark { color: var(--text); }
.nav.scrolled .nav__toggle span { background: var(--text); }
.nav__wordmark {
  font-family: var(--display);
  font-size: 13px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--light);
  transition: color 0.2s;
  white-space: nowrap;
}
.nav__wordmark:hover { color: var(--white); }
.nav__logo {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.nav__logo img { height: 30px; width: auto; }
.nav__links {
  margin-left: auto;
  display: flex; align-items: center; gap: 36px;
}
.nav__links a {
  font-size: 13px; font-weight: 500; letter-spacing: 0.04em;
  color: var(--light);
  transition: color 0.2s;
}
.nav__links a:hover { color: var(--white); }
.nav__cta {
  display: inline-block;
  padding: 9px 20px;
  background: var(--red); color: #fff;
  font-size: 13px; font-weight: 600; letter-spacing: 0.04em;
  border-radius: var(--radius);
  transition: background 0.2s;
}
.nav__cta:hover { background: var(--red-dark); color: #fff; }
.nav__toggle {
  display: none;
  background: none; border: none;
  cursor: pointer; padding: 8px;
  margin-left: auto;
}
.nav__toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--light); margin: 5px 0;
  transition: all 0.3s;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  font-family: var(--body); font-size: 14px; font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  transition: all 0.2s;
  cursor: pointer; border: none;
  white-space: nowrap;
}
.btn--primary { background: var(--red); color: #fff; }
.btn--primary:hover { background: var(--red-dark); transform: translateY(-1px); }
.btn--outline {
  background: transparent; color: var(--white);
  border: 1px solid rgba(255,255,255,0.28);
}
.btn--outline:hover { border-color: rgba(255,255,255,0.7); transform: translateY(-1px); }

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  position: relative;
  height: 100vh; min-height: 600px;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
  background-image: url('../img/hero.jpg');
  background-size: cover; background-position: center 40%;
  transform: scale(1.04);
  transition: transform 1.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.hero.loaded .hero__bg { transform: scale(1); }
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10,10,10,0.88) 0%,
    rgba(10,10,10,0.6) 55%,
    rgba(10,10,10,0.25) 100%
  );
}
.hero__content {
  position: relative; z-index: 1;
  max-width: 800px;
}
.hero__eyebrow { margin-bottom: 20px; }
.hero__title {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(38px, 5.5vw, 72px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 28px;
}
.hero__sub {
  font-size: 17px; font-weight: 300; line-height: 1.7;
  color: var(--light); max-width: 500px;
  margin-bottom: 44px;
}
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__scroll {
  position: absolute; bottom: 44px; left: 50%;
  transform: translateX(-50%);
  font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--mid);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  animation: nudge 2.4s ease-in-out infinite;
}
.hero__scroll::after {
  content: '';
  display: block; width: 1px; height: 44px;
  background: linear-gradient(to bottom, var(--mid), transparent);
}
@keyframes nudge {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(7px); }
}

/* ── Section Shared ────────────────────────────────────────── */
.section { padding: 104px 0; }
.section__header { max-width: 620px; margin-bottom: 64px; }
.section__header .label { margin-bottom: 16px; }
.section__title {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(30px, 3.5vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 20px;
}
.section__sub {
  font-size: 16px; font-weight: 300;
  color: var(--mid); line-height: 1.75;
}

/* ── Services ──────────────────────────────────────────────── */
.services { background: var(--page-bg); }
.services .section__title { color: var(--black); }
.services .section__sub { color: var(--text-mid); }
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-card {
  padding: 48px 40px;
  background: var(--card-bg);
  border-radius: 6px;
  border-top: 3px solid transparent;
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
  transition: border-color 0.3s, transform 0.25s, box-shadow 0.25s;
}
.service-card:hover {
  border-top-color: var(--red);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}
.service-card__icon {
  width: 44px; height: 44px;
  margin-bottom: 28px;
  color: var(--red);
  flex-shrink: 0;
}
.service-card__title {
  font-family: var(--display);
  font-weight: 700;
  font-size: 22px; letter-spacing: -0.01em;
  color: var(--black); margin-bottom: 16px;
}
.service-card__desc {
  font-size: 15px; font-weight: 300;
  color: var(--text-mid); line-height: 1.75;
}

/* ── Approach Timeline ─────────────────────────────────────── */
.approach-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: -1px;
  position: relative;
}
.approach-timeline::before {
  content: '';
  position: absolute;
  top: 20px;
  left: calc(100% / 6);
  right: calc(100% / 6);
  height: 1px;
  background: var(--border);
  z-index: 0;
}
.approach-timeline__step {
  display: flex;
  justify-content: center;
}
.approach-timeline__circle {
  position: relative;
  z-index: 1;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--page-bg);
  border: 1.5px solid var(--red);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--display);
  font-size: 13px; font-weight: 700;
  color: var(--red);
  letter-spacing: 0.02em;
}

/* ── Specialties ───────────────────────────────────────────── */
.specialties {
  position: relative;
  height: 400vh;
  height: calc(100dvh * 4);
}
.specialties__sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding-top: var(--nav-h);
  background-color: #760219;
  transition: background-color 0.65s ease;
}

/* Light theme (slide 3 — white background) */
.specialties__sticky[data-theme="light"] .specialties__title { color: var(--black); }
.specialties__sticky[data-theme="light"] .label { color: var(--red); }
.specialties__sticky[data-theme="light"] .specialty-item__num { color: rgba(0,0,0,0.28); }
.specialties__sticky[data-theme="light"] .specialty-item__title { color: var(--black); }
.specialties__sticky[data-theme="light"] .specialty-item__desc { color: var(--text-mid); }
.specialties__sticky[data-theme="light"] .specialty-item__icon { color: var(--red); }
.specialties__sticky[data-theme="light"] .specialties__dot { background: rgba(0,0,0,0.18); }
.specialties__sticky[data-theme="light"] .specialties__dot.is-active { background: var(--black); }
.specialties__header {
  padding: 40px 0 28px;
  flex-shrink: 0;
}
.specialties .label { color: rgba(255,255,255,0.5); }
.specialties__title {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(26px, 3vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
}
.specialties__slides {
  position: relative;
  flex: 1;
  overflow: hidden;
}
.specialty-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity 0.65s ease;
  pointer-events: none;
  will-change: opacity;
}
.specialty-slide.is-active {
  opacity: 1;
  pointer-events: auto;
}
.specialties__nav {
  position: absolute;
  right: 40px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 2;
}
.specialties__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.28);
  transition: background 0.3s, transform 0.3s;
}
.specialties__dot.is-active {
  background: #fff;
  transform: scale(1.5);
}
.specialty-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  width: 100%;
}
.specialty-item--flip .specialty-item__icon-col { order: -1; }
.specialty-item__text { max-width: 480px; }
.specialty-item__num {
  display: block;
  font-family: var(--display);
  font-weight: 800;
  font-size: 11px; letter-spacing: 0.16em;
  color: rgba(255,255,255,0.35);
  margin-bottom: 20px;
  transition: color 0.65s ease;
}
.specialty-item__title {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(22px, 2.4vw, 32px);
  letter-spacing: -0.01em;
  color: var(--white);
  margin-bottom: 20px;
  transition: color 0.65s ease;
}
.specialty-item__desc {
  font-size: 15px; font-weight: 400;
  color: rgba(255,255,255,0.85); line-height: 1.85;
  transition: color 0.65s ease;
}
.specialty-item__icon-col {
  display: flex;
  justify-content: center;
  align-items: center;
}
.specialty-item__icon {
  width: 200px; height: 200px;
  color: rgba(255,255,255,0.8);
  transition: color 0.65s ease;
}
.specialties__title { transition: color 0.65s ease; }
.specialties .label  { transition: color 0.65s ease; }
.specialties__dot    { transition: background 0.65s ease, transform 0.3s; }

/* Icon animations */
@keyframes ekg-draw {
  0%, 8%  { stroke-dashoffset: 110; opacity: 0; }
  18%     { opacity: 1; }
  72%     { stroke-dashoffset: 0; opacity: 1; }
  88%, 100% { stroke-dashoffset: 0; opacity: 0; }
}
@keyframes ekg-dot {
  0%, 60% { opacity: 0; }
  75%, 88% { opacity: 1; }
  100%    { opacity: 0; }
}
.specialty-icon--pulse polyline {
  stroke-dasharray: 110;
  stroke-dashoffset: 110;
  animation: ekg-draw 3.2s ease-in-out infinite;
}
.specialty-icon--pulse circle {
  animation: ekg-dot 3.2s ease-in-out infinite;
}

@keyframes bar-rise {
  0%, 5%    { transform: scaleY(0); opacity: 0; }
  30%       { opacity: 1; }
  55%, 82%  { transform: scaleY(1); opacity: 1; }
  96%, 100% { transform: scaleY(0); opacity: 0; }
}
@keyframes trend-draw {
  0%, 40%   { stroke-dashoffset: 55; opacity: 0; }
  52%       { opacity: 1; }
  72%, 82%  { stroke-dashoffset: 0; opacity: 1; }
  96%, 100% { stroke-dashoffset: 0; opacity: 0; }
}
@keyframes dot-pop {
  0%, 42% { opacity: 0; transform: scale(0); }
  58%, 82% { opacity: 1; transform: scale(1); }
  96%, 100% { opacity: 0; transform: scale(0); }
}
.specialty-icon--chart rect {
  transform-box: fill-box;
  transform-origin: 50% 100%;
}
.specialty-icon--chart rect:nth-of-type(1) { animation: bar-rise 3.8s ease-out infinite; }
.specialty-icon--chart rect:nth-of-type(2) { animation: bar-rise 3.8s ease-out 0.14s infinite; }
.specialty-icon--chart rect:nth-of-type(3) { animation: bar-rise 3.8s ease-out 0.28s infinite; }
.specialty-icon--chart rect:nth-of-type(4) { animation: bar-rise 3.8s ease-out 0.42s infinite; }
.specialty-icon--chart polyline {
  stroke-dasharray: 55;
  stroke-dashoffset: 55;
  animation: trend-draw 3.8s ease-out infinite;
}
.specialty-icon--chart circle {
  transform-box: fill-box;
  transform-origin: 50% 50%;
  animation: dot-pop 3.8s ease-out infinite;
}
.specialty-icon--chart circle:nth-of-type(1) { animation-delay: 0.44s; }
.specialty-icon--chart circle:nth-of-type(2) { animation-delay: 0.54s; }
.specialty-icon--chart circle:nth-of-type(3) { animation-delay: 0.64s; }
.specialty-icon--chart circle:nth-of-type(4) { animation-delay: 0.74s; }

/* flow: node-pop for boxes/diamond, path-draw for lines */
@keyframes flow-node {
  0%, 5%    { opacity: 0; transform: scale(0.75); }
  22%, 78%  { opacity: 1; transform: scale(1); }
  93%, 100% { opacity: 0; transform: scale(0.75); }
}
@keyframes flow-line {
  0%, 5%    { stroke-dashoffset: 24; opacity: 0; }
  20%       { opacity: 1; }
  55%, 78%  { stroke-dashoffset: 0; opacity: 1; }
  93%, 100% { stroke-dashoffset: 0; opacity: 0; }
}
@keyframes flow-diamond {
  0%, 18%   { stroke-dashoffset: 52; opacity: 0; }
  30%       { opacity: 1; }
  58%, 78%  { stroke-dashoffset: 0; opacity: 1; }
  93%, 100% { stroke-dashoffset: 0; opacity: 0; }
}
@keyframes flow-branch {
  0%, 35%   { stroke-dashoffset: 24; opacity: 0; }
  48%       { opacity: 1; }
  65%, 78%  { stroke-dashoffset: 0; opacity: 1; }
  93%, 100% { stroke-dashoffset: 0; opacity: 0; }
}
.specialty-icon--flow rect {
  transform-box: fill-box;
  transform-origin: 50% 50%;
}
/* top node box */
.specialty-icon--flow rect:nth-of-type(1) { animation: flow-node 4.5s ease-in-out infinite; }
/* connector */
.specialty-icon--flow path:nth-of-type(1) {
  stroke-dasharray: 24;
  animation: flow-line 4.5s ease-in-out infinite;
}
/* diamond */
.specialty-icon--flow path:nth-of-type(2) {
  stroke-dasharray: 52;
  animation: flow-diamond 4.5s ease-in-out infinite;
}
/* left branch */
.specialty-icon--flow path:nth-of-type(3) {
  stroke-dasharray: 24;
  animation: flow-branch 4.5s ease-in-out infinite;
}
/* right branch */
.specialty-icon--flow path:nth-of-type(4) {
  stroke-dasharray: 24;
  animation: flow-branch 4.5s ease-in-out 0.12s infinite;
}
/* left leaf */
.specialty-icon--flow rect:nth-of-type(2) { animation: flow-node 4.5s ease-in-out 0.6s infinite; }
/* right leaf */
.specialty-icon--flow rect:nth-of-type(3) { animation: flow-node 4.5s ease-in-out 0.72s infinite; }

/* ── Work Grid ─────────────────────────────────────────────── */
.work { background: var(--black); }
.work .section__title { color: var(--white); }
.work .section__sub  { color: var(--mid); }
.work__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3px;
}
.work-card {
  position: relative; overflow: hidden;
  aspect-ratio: 16 / 10;
  display: block;
}
.work-card__bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transition: transform 0.6s ease;
}
.work-card:hover .work-card__bg { transform: scale(1.05); }
.work-card__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    to top,
    rgba(10,10,10,0.92) 0%,
    rgba(10,10,10,0.4) 50%,
    rgba(10,10,10,0.1) 100%
  );
  transition: background 0.3s;
}
.work-card:hover .work-card__overlay {
  background: linear-gradient(
    to top,
    rgba(10,10,10,0.95) 0%,
    rgba(10,10,10,0.6) 55%,
    rgba(10,10,10,0.2) 100%
  );
}
.work-card__content {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 32px;
  transform: translateY(4px);
  transition: transform 0.3s;
}
.work-card:hover .work-card__content { transform: translateY(0); }
.work-card__client {
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--red); margin-bottom: 8px;
}
.work-card__title {
  font-family: var(--display);
  font-weight: 700;
  font-size: 24px; letter-spacing: -0.01em;
  color: var(--white); line-height: 1.15;
  margin-bottom: 8px;
}
.work-card__desc {
  font-size: 13px; color: var(--light); line-height: 1.6;
  opacity: 0; transform: translateY(8px);
  transition: opacity 0.3s 0.05s, transform 0.3s 0.05s;
}
.work-card:hover .work-card__desc { opacity: 1; transform: translateY(0); }
.work-card__arrow {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 14px;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--red);
  opacity: 0; transform: translateY(8px);
  transition: opacity 0.3s 0.1s, transform 0.3s 0.1s;
}
.work-card:hover .work-card__arrow { opacity: 1; transform: translateY(0); }

/* ── Contact ───────────────────────────────────────────────── */
.contact { background: var(--dark); border-top: 1px solid var(--border-dark); }
.contact__inner {
  display: flex; gap: 80px; align-items: flex-start;
}
.contact__text { flex: 1; }
.contact__title {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1.1; letter-spacing: -0.02em;
  color: var(--white);
  margin-top: 16px; margin-bottom: 20px;
}
.contact__sub {
  font-size: 16px; font-weight: 300;
  color: var(--mid); line-height: 1.75;
  max-width: 400px;
}
.contact__primary { margin-top: 40px; }
.contact__links {
  flex: 0 0 auto;
  display: flex; flex-direction: column; gap: 14px;
  padding-top: 52px;
  min-width: 290px;
}
.contact__link {
  display: flex; align-items: center; gap: 16px;
  padding: 20px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  transition: border-color 0.25s, transform 0.25s;
}
.contact__link:hover {
  border-color: var(--red);
  transform: translateX(5px);
}
.contact__link-icon { color: var(--red); flex-shrink: 0; }
.contact__link-label {
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--mid); margin-bottom: 4px;
}
.contact__link-val { font-size: 14px; font-weight: 500; color: var(--white); }

/* ── Footer ────────────────────────────────────────────────── */
footer {
  position: relative;
  z-index: 0;
  padding: 28px 40px;
  background: var(--black);
  border-top: 1px solid var(--border-dark);
  display: flex; align-items: center; justify-content: space-between;
}
footer p, footer a { font-size: 12px; color: var(--mid); }
footer a { transition: color 0.2s; }
footer a:hover { color: var(--white); }

/* ── Experience Detail: Hero ───────────────────────────────── */
.exp-hero {
  position: relative;
  height: 100vh; min-height: 560px;
  display: flex; align-items: flex-end;
}
.exp-hero__bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-size: cover; background-position: center;
  transform: scale(1.06); /* prevents blur edges from bleeding at full blur */
}
.exp-hero__overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    to bottom,
    rgba(10,10,10,0.20) 0%,
    rgba(10,10,10,0.50) 45%,
    rgba(10,10,10,0.82) 75%,
    rgba(10,10,10,0.96) 100%
  );
}
.exp-hero__content {
  position: relative; z-index: 1;
  padding-bottom: 72px;
  width: 100%;
}
.exp-hero__meta {
  display: flex; gap: 20px; align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.exp-hero__meta span {
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--mid);
}
.exp-hero__meta span:first-child { color: var(--red); }
.exp-hero__meta .divider { width: 1px; height: 12px; background: var(--mid); opacity: 0.4; }
.exp-hero__title {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(36px, 5.5vw, 72px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
  max-width: 900px;
}
.exp-hero__scroll {
  position: absolute; bottom: 28px; right: 40px;
  font-size: 10px; letter-spacing: 0.13em; text-transform: uppercase;
  color: var(--mid);
}

/* ── Experience Detail: Body ───────────────────────────────── */
.exp-body {
  position: relative;
  z-index: 0;
  padding: 84px 0 104px;
  background: linear-gradient(
    to bottom,
    rgba(15,15,15,0.72) 0%,
    rgba(15,15,15,0.90) 30%,
    rgba(15,15,15,0.97) 70%
  );
}
.exp-body .container { max-width: 920px; }

.exp-intro {
  font-size: 19px; font-weight: 300; line-height: 1.75;
  color: var(--light);
  border-left: 3px solid var(--red);
  padding-left: 28px;
  margin-bottom: 72px;
}

.exp-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  margin-bottom: 56px;
}
.exp-section { margin-bottom: 48px; }
.exp-section h3 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 16px; letter-spacing: 0.01em;
  color: var(--white); margin-bottom: 20px;
}
.exp-section p {
  font-size: 15px; font-weight: 300;
  color: var(--mid); line-height: 1.8;
  margin-bottom: 14px;
}
.exp-section ul { display: flex; flex-direction: column; gap: 12px; }
.exp-section ul li {
  font-size: 15px; font-weight: 300;
  color: var(--mid); line-height: 1.65;
  padding-left: 20px; position: relative;
}
.exp-section ul li::before {
  content: '';
  position: absolute; left: 0; top: 10px;
  width: 7px; height: 2px;
  background: var(--red);
}

.exp-highlight {
  background: var(--dark);
  border-left: 3px solid var(--red);
  padding: 28px 32px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: 48px;
}
.exp-highlight p {
  font-size: 22px; font-weight: 300;
  color: var(--light); line-height: 1.55;
}

/* ── Experience Detail: Nav Bar ────────────────────────────── */
.exp-nav-bar {
  position: relative;
  z-index: 0;
  background: var(--dark);
  border-top: 1px solid var(--border);
  padding: 36px 0;
}
.exp-nav-bar .container {
  display: flex; align-items: center; justify-content: space-between;
}
.exp-nav-bar a {
  font-size: 13px; font-weight: 500;
  color: var(--mid); letter-spacing: 0.04em;
  transition: color 0.2s;
  display: flex; align-items: center; gap: 8px;
}
.exp-nav-bar a:hover { color: var(--white); }
.exp-nav-bar .back { color: var(--light); font-weight: 600; }
.exp-nav-bar .ghost { visibility: hidden; pointer-events: none; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 900px) {
  .container { padding: 0 24px; }
  .nav { padding: 0 24px; }

  .nav__links { display: none; }
  .nav__links.open {
    display: flex; flex-direction: column;
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: rgba(15,15,15,0.98);
    padding: 28px 24px;
    gap: 24px;
    border-top: 1px solid var(--border);
  }
  .nav__toggle { display: block; }

  .approach-timeline { display: none; }
  .services__grid { grid-template-columns: 1fr; }
  .specialties { height: calc(100dvh * 4); }
  .specialties__nav { display: none; }
  .specialty-item { grid-template-columns: 1fr; gap: 32px; }
  .specialty-item--flip .specialty-item__icon-col { order: 0; }
  .specialty-item__icon { width: 100px; height: 100px; }
  .specialty-item__text { max-width: 100%; }
  .work__grid { grid-template-columns: 1fr; }
  .work-card { aspect-ratio: 4 / 3; }
  .work-card__desc { opacity: 1; transform: none; }
  .work-card__arrow { opacity: 1; transform: none; }
  .specialty-item { grid-template-columns: 1fr; gap: 0; }
  .specialty-item__num { margin-bottom: 16px; }

  .contact__inner { flex-direction: column; gap: 40px; }
  .contact__links { min-width: auto; padding-top: 0; width: 100%; }

  .exp-cols { grid-template-columns: 1fr; gap: 0; }
  .exp-hero__content { padding-bottom: 56px; }

  footer { padding: 24px; }
}

@media (max-width: 600px) {
  .section { padding: 72px 0; }
  .hero__title { font-size: 34px; }
  .exp-hero__title { font-size: 30px; }
  .hero__sub { font-size: 15px; }
  footer { flex-direction: column; gap: 8px; text-align: center; }
}