/* ============================
   VIEW TRANSITIONS
   ============================ */
@view-transition {
  navigation: auto;
}

/* Root: new page slides up, old fades out */
::view-transition-old(root) {
  animation: 380ms cubic-bezier(0.22, 1, 0.36, 1) both vt-out;
}
::view-transition-new(root) {
  animation: 380ms cubic-bezier(0.22, 1, 0.36, 1) both vt-in;
}

@keyframes vt-out {
  to { opacity: 0; transform: translateY(-16px) scale(0.99); }
}
@keyframes vt-in {
  from { opacity: 0; transform: translateY(24px); }
}

/* Shared hero element: smooth morph */
::view-transition-old(case-hero),
::view-transition-new(case-hero) {
  animation-duration: 500ms;
  animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ============================
   TOKENS
   ============================ */
:root {
  --bg:        #eef4fb;
  --bg-alt:    #f7fafd;
  --surface:   #ffffff;
  --blue-light: #c8dff5;
  --blue:      #5ab4e8;
  --blue-mid:  #3a9ed4;
  --blue-dark: #1a6fa0;
  --text:      #1a2d3d;
  --text-mid:  #4a6275;
  --text-soft: #8aabb8;
  --border:    #dde8f4;

  --font-sans: 'Inter', sans-serif;
  --font-display: 'Space Grotesk', sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --transition: 0.5s var(--ease);
}

/* ============================
   RESET
   ============================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img, video { display: block; max-width: 100%; }

/* ============================
   UTILITIES
   ============================ */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
}

.section { padding: 120px 0; }

.label {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue-mid);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text);
}

.tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-mid);
  background: var(--blue-light);
  padding: 4px 10px;
  border-radius: 100px;
}

/* ============================
   BUTTONS
   ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  border-radius: 100px;
  padding: 14px 28px;
  transition: all 0.25s var(--ease);
  cursor: pointer;
  border: none;
}

.btn--primary {
  background: var(--blue-mid);
  color: #fff;
  box-shadow: 0 4px 20px rgba(58, 158, 212, 0.35);
}
.btn--primary:hover {
  background: var(--blue-dark);
  box-shadow: 0 6px 28px rgba(58, 158, 212, 0.45);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn--ghost:hover {
  border-color: var(--blue-mid);
  color: var(--blue-mid);
  transform: translateY(-2px);
}

/* ============================
   NAV
   ============================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease), padding 0.4s var(--ease);
}

.nav.scrolled {
  background: rgba(238, 244, 251, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
  padding: 14px 0;
}

.nav__inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  white-space: nowrap;
  flex-shrink: 0;
  transition: color 0.2s;
}
.nav__logo:hover { color: var(--blue-mid); }

.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav__links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-mid);
  transition: color 0.2s;
  white-space: nowrap;
}
.nav__links a:not(.btn--cv):hover { color: var(--blue-mid); }

.btn--cv {
  font-size: 13px;
  font-weight: 600;
  padding: 8px 18px;
  background: transparent;
  color: var(--blue-mid);
  border: 1.5px solid var(--blue-mid);
  border-radius: 100px;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
  cursor: pointer;
}
.btn--cv:hover {
  background: var(--blue-mid);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(58, 158, 212, 0.3);
}

/* Language switcher */
.lang-switch {
  position: relative;
}
.lang-switch__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-mid);
  background: transparent;
  border: 1.5px solid var(--border);
  border-radius: 100px;
  padding: 6px 12px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.lang-switch__btn:hover {
  color: var(--blue-mid);
  border-color: var(--blue-mid);
}
.lang-switch__chev {
  transition: transform 0.25s var(--ease);
}
.lang-switch.is-open .lang-switch__chev {
  transform: rotate(180deg);
}
.lang-switch__menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 120px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(30, 60, 90, 0.12);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), visibility 0.2s;
  z-index: 200;
}
.lang-switch.is-open .lang-switch__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.lang-switch__opt {
  display: block;
  width: 100%;
  text-align: left;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-mid);
  background: transparent;
  border: none;
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.lang-switch__opt:hover {
  background: var(--bg-alt, #f0f5fb);
  color: var(--blue-mid);
}
.lang-switch__opt[aria-selected="true"] {
  color: var(--blue-mid);
  font-weight: 600;
}

/* ============================
   HERO — SCROLL STORYTELLING
   ============================ */

/* Tall scroll container — creates the scroll distance */
.hero-scroll {
  position: relative;
  height: 360vh;
}

/* Sticky viewport — stays pinned while user scrolls */
.hero-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
}

/* Video */
.hero__video-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform-origin: center center;
  transform: scale(1.05) translate(0, 0);
  transition: transform 0.75s cubic-bezier(0.4, 0, 0.2, 1),
              object-position 0.75s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
  filter: contrast(1.08) saturate(1.05);
}

/* Zoom states */
.hero__video[data-chapter="1"] {
  /* crystal jar sits low in the frame; shift content up (negative Y) to centre the glowing crystals */
  transform: scale(1.8) translate(14%, -3%);
  object-position: 5% 28%;
}
.hero__video[data-chapter="2"] {
  /* data-chart machine sits low; shift up (negative Y) to centre the chart screen */
  transform: scale(1.8) translate(6%, -12%);
}
.hero__video[data-chapter="3"] {
  /* scale must be ≥ 1/(1-2*|tx|): at translate -20%, scale 1.7 keeps the right edge covered */
  transform: scale(1.7) translate(-20%, 1%);
  object-position: 100% 15%;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  /* Default/Intro: from left */
  background:
    linear-gradient(to right, rgba(240,245,252,0.88) 0%, rgba(240,245,252,0.45) 50%, transparent 100%),
    linear-gradient(to bottom, rgba(240,245,252,0.30) 0%, transparent 40%);
  transition: background 0.8s var(--ease);
}

/* Ch01: text on RIGHT → overlay from right */
.hero__overlay[data-chapter="1"] {
  background:
    linear-gradient(to left, rgba(240,245,252,0.88) 0%, rgba(240,245,252,0.45) 50%, transparent 100%),
    linear-gradient(to bottom, rgba(240,245,252,0.30) 0%, transparent 40%);
}

/* Ch02: text on LEFT */
.hero__overlay[data-chapter="2"] {
  background:
    linear-gradient(to right, rgba(240,245,252,0.88) 0%, rgba(240,245,252,0.45) 50%, transparent 100%),
    linear-gradient(to bottom, rgba(240,245,252,0.30) 0%, transparent 40%);
}

/* Ch03: text on LEFT */
.hero__overlay[data-chapter="3"] {
  background:
    linear-gradient(to right, rgba(240,245,252,0.88) 0%, rgba(240,245,252,0.45) 50%, transparent 100%),
    linear-gradient(to bottom, rgba(240,245,252,0.30) 0%, transparent 40%);
}

/* All chapter panels sit on top */
.hero__chapters {
  position: absolute;
  inset: 0;
  padding-top: 80px;
  pointer-events: none;
}

.hero__panel {
  position: absolute;
  top: 50%;
  max-width: 480px;
  opacity: 0;
  will-change: opacity, transform;
  pointer-events: none;
  /* Default: left side */
  left: 72px;
  right: auto;
}

/* Chapter 01: text on RIGHT (flask is on left) */
#panel01 {
  left: auto;
  right: 72px;
  text-align: left;
}

/* Intro panel */
.hero__panel--intro .hero__eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue-mid);
  margin-bottom: 20px;
  display: block;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(52px, 7vw, 88px);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 24px;
}

.hero__sub {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-mid);
  margin-bottom: 0;
}

.hero__scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  margin-top: 40px;
}

.hero__scroll-hint span {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-soft);
}

.hero__scroll-line {
  width: 1.5px;
  height: 48px;
  background: linear-gradient(to bottom, var(--blue-mid), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* Chapter badge */
.chapter-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px 6px 10px;
  background: rgba(255,255,255,0.72);
  border: 1.5px solid var(--border);
  border-radius: 100px;
  backdrop-filter: blur(12px);
  margin-bottom: 28px;
}

.chapter-badge__num {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: #fff;
  background: var(--blue-mid);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chapter-badge__label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-mid);
}

/* Chapter title */
.hero__chapter-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 5.5vw, 72px);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 24px;
}

/* Chapter sub */
.hero__chapter-sub {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--text-mid);
  max-width: 400px;
  margin-bottom: 28px;
}

/* Chapter tags */
.chapter-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.chapter-tags li {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--blue-dark);
  background: rgba(200,225,245,0.38);
  border: 1.5px solid rgba(58,158,212,0.55);
  padding: 5px 14px;
  border-radius: 100px;
  backdrop-filter: blur(6px);
}

.hero__cta {
  margin-top: 8px;
}

/* ============================
   CHAPTER NAV (right side)
   ============================ */
.chapter-nav {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 10;
}

/* Wrapper: track + dots stacked */
.chapter-nav__row {
  position: relative;
  display: flex;
  align-items: center;
}

/* Track: absolutely centered over the dots row */
.chapter-nav__track {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  transform: translateY(-50%);
  background: rgba(90,180,232,0.25);
  border-radius: 1px;
  overflow: hidden;
  pointer-events: none;
}

.chapter-nav__fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: var(--blue-mid);
  border-radius: 1px;
  transition: width 0.3s var(--ease);
}

/* Dots row */
.chapter-nav__items {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 72px;
  position: relative;
}

.chapter-nav__item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chapter-nav__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(90,180,232,0.35);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all 0.3s var(--ease);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.chapter-nav__dot:hover {
  background: rgba(90,180,232,0.65);
  transform: scale(1.3);
}

.chapter-nav__item.is-active .chapter-nav__dot {
  background: var(--blue-mid);
  transform: scale(1.5);
  box-shadow: 0 0 0 3px rgba(58,158,212,0.2);
}

/* Label floats below dot — absolute so it doesn't affect item height */
.chapter-nav__label {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(3px);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-soft);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s, color 0.3s;
  pointer-events: none;
}

.chapter-nav__item.is-active .chapter-nav__label {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  color: var(--blue-mid);
}

/* Top progress bar */
.hero__progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(to right, var(--blue), var(--blue-mid));
  z-index: 20;
  transition: width 0.1s linear;
}

/* ============================
   ABOUT
   ============================ */
.about {
  background: var(--surface);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.about__bio {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-mid);
  margin-bottom: 20px;
}

.about__skills {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1.5px solid var(--border);
}

.skill-group__title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blue-mid);
  margin-bottom: 14px;
}

.skill-group ul li {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-mid);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}
.skill-group ul li:last-child { border-bottom: none; }

.about__experience {
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1.5px solid var(--border);
}

.about__exp-list {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.about__exp-list li {
  display: grid;
  grid-template-columns: 1fr 1.2fr auto;
  align-items: center;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.about__exp-list li:last-child { border-bottom: none; }

.exp__role {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.exp__company {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-mid);
}

.exp__year {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-soft);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* ============================
   WORKS
   ============================ */
.works {
  background: var(--bg);
}

.works__header {
  margin-bottom: 48px;
}

.works__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.work-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1.5px solid var(--border);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.3s;
  cursor: pointer;
}

.work-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(90, 180, 232, 0.15);
  border-color: var(--blue-light);
}

.work-card--featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
}

.work-card__img-wrap {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.work-card--featured .work-card__img-wrap {
  aspect-ratio: auto;
  min-height: 340px;
}

.work-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s var(--ease);
}
.work-card:hover .work-card__img {
  transform: scale(1.03);
}

/* Locked project — blurred teaser + lock overlay */
.work-card__img-wrap--locked { position: relative; }
.work-card__img--blur {
  filter: blur(16px) brightness(0.72) saturate(1.1);
  transform: scale(1.18);
}
.work-card:hover .work-card__img--blur {
  transform: scale(1.22);
}
.work-card__lock {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 42px;
  pointer-events: none;
}

.work-card__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

.work-card__icon {
  font-size: 48px;
  color: rgba(255,255,255,0.7);
}

.work-card__body {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.work-card__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.work-card__year {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-soft);
  margin-left: auto;
}

.work-card__title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 14px;
}

.work-card__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-mid);
  margin-bottom: 24px;
}

.work-card__link {
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-mid);
  transition: color 0.2s, letter-spacing 0.2s;
  align-self: flex-start;
}
.work-card:hover .work-card__link {
  color: var(--blue);
  letter-spacing: 0.01em;
}

.work-card--placeholder {
  opacity: 0.5;
  pointer-events: none;
  border-style: dashed;
}

.work-card--placeholder .work-card__title {
  color: var(--text-soft);
}

.works__footer {
  margin-top: 56px;
  text-align: center;
}

/* ============================
   PROCESS
   ============================ */
.process {
  background: var(--bg-alt);
  padding: 100px 0;
  overflow: hidden;
}

.process__header {
  margin-bottom: 56px;
}

.process__inner {
  display: flex;
  align-items: stretch;
  gap: 0;
}

/* Individual step card */
.process__step {
  flex: 1;
  padding: 40px 32px 36px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface);
  position: relative;
  overflow: hidden;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

/* Top accent line */
.process__step::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue-mid) 0%, rgba(90,180,232,0.15) 100%);
  border-radius: 16px 16px 0 0;
  transform: scaleX(0.25);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

/* Ghost large number */
.process__step::after {
  content: attr(data-index);
  position: absolute;
  bottom: -18px; right: 16px;
  font-family: var(--font-display);
  font-size: 108px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: rgba(58,158,212,0.06);
  pointer-events: none;
  user-select: none;
}

.process__step:hover {
  background: var(--surface);
  border-color: rgba(90,180,232,0.35);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(58,158,212,0.10);
}
.process__step:hover::before {
  transform: scaleX(1);
}

.process__num {
  display: block;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--blue-mid);
  margin-bottom: 20px;
}

.process__step h4 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.2;
}

.process__step p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-mid);
}

/* Arrow connector between cards */
.process__connector {
  flex-shrink: 0;
  width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.process__connector span {
  display: block;
  width: 24px;
  height: 1px;
  background: rgba(90,180,232,0.35);
  position: relative;
}

.process__connector span::after {
  content: '';
  position: absolute;
  right: -1px; top: -3px;
  width: 6px; height: 6px;
  border-top: 1px solid rgba(90,180,232,0.5);
  border-right: 1px solid rgba(90,180,232,0.5);
  transform: rotate(45deg);
}

/* ============================
   CONTACT
   ============================ */
.contact {
  background: var(--surface);
}

.contact__inner {
  max-width: 640px;
}

.contact__title {
  margin-bottom: 48px;
}

.contact__links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

/* ============================
   FOOTER
   ============================ */
.footer {
  background: var(--bg);
  padding: 40px 0;
  border-top: 1.5px solid var(--border);
}

.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__copy,
.footer__craft {
  font-size: 13px;
  color: var(--text-soft);
}

/* ============================
   ANIMATIONS
   ============================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); transform-origin: top; }
  50%       { opacity: 0.4; transform: scaleY(0.6); transform-origin: top; }
}

/* Scroll-triggered reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 900px) {
  .about__grid { grid-template-columns: 1fr; gap: 48px; }
  .works__grid { grid-template-columns: 1fr; }
  .work-card--featured { grid-template-columns: 1fr; }
  .work-card--featured .work-card__img-wrap { min-height: 200px; }
  .footer .container { flex-direction: column; gap: 8px; text-align: center; }
  .chapter-nav { display: none; }
}

@media (max-width: 720px) {
  .process__inner { flex-direction: column; gap: 12px; }
  .process__step { transform: none !important; box-shadow: none !important; }
  .process__connector { width: auto; height: 28px; flex-direction: column; padding-bottom: 0; }
  .process__connector span { width: 1px; height: 18px; }
  .process__connector span::after {
    right: auto; top: auto;
    bottom: -1px; left: -3px;
    border-top: none; border-right: none;
    border-bottom: 1px solid rgba(90,180,232,0.5);
    border-left: 1px solid rgba(90,180,232,0.5);
    transform: rotate(-45deg);
  }
}

@media (max-width: 600px) {
  .section { padding: 72px 0; }
  .container { padding: 0 20px; }

  /* Nav: hide text links on mobile, keep only CV button */
  .nav__inner { padding: 0 20px; }
  .nav__links { gap: 0; }
  .nav__links li:not(:last-child) { display: none; }
  .btn--cv { padding: 7px 14px; font-size: 12px; }

  /* Hero video: base position for portrait screens */
  .hero__video {
    object-position: 45% center;
  }

  /* Mobile chapter-specific zoom targets */
  .hero__video[data-chapter="1"] {
    transform: scale(1.8) translate(8%, 5%);
    object-position: 5% 28%;
  }
  .hero__video[data-chapter="2"] {
    transform: scale(1.4) translate(0%, -5%);
    object-position: 47% center;
  }
  .hero__video[data-chapter="3"] {
    transform: scale(1.6) translate(-5%, -4%);
    object-position: 84% 15%;
  }

  /* Mobile overlay: strong enough for text readability */
  .hero__overlay,
  .hero__overlay[data-chapter="1"],
  .hero__overlay[data-chapter="3"] {
    background:
      linear-gradient(to right, rgba(240,245,252,0.92) 0%, rgba(240,245,252,0.55) 50%, rgba(240,245,252,0.15) 100%),
      linear-gradient(to bottom, rgba(240,245,252,0.40) 0%, transparent 55%),
      rgba(240,245,252,0.12);
  }
  .hero__overlay[data-chapter="2"] {
    background:
      linear-gradient(to right, rgba(240,245,252,0.95) 0%, rgba(240,245,252,0.70) 55%, rgba(240,245,252,0.20) 100%),
      linear-gradient(to bottom, rgba(240,245,252,0.45) 0%, transparent 55%),
      rgba(240,245,252,0.18);
  }

  /* Hero panels: fix overflow on small screens */
  .hero__panel {
    left: 24px;
    right: 24px;
    max-width: none;
  }
  #panel01 {
    left: 24px;
    right: 24px;
    text-align: left;
  }
  .hero__title {
    font-size: clamp(40px, 11vw, 64px);
  }
  .hero__chapter-title {
    font-size: clamp(32px, 9vw, 52px);
  }
  .chapter-tags { gap: 6px; }

  /* About */
  .about__skills { grid-template-columns: 1fr; gap: 24px; }
  .about__exp-list li {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
  }
  .about__exp-list li .exp__company {
    grid-column: 1;
    grid-row: 2;
  }
  .about__exp-list li .exp__year {
    grid-column: 2;
    grid-row: 1;
  }

  /* Contact */
  .contact__title { margin-bottom: 32px; }
  .contact__links {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .contact__links .btn {
    padding: 13px 24px;
    font-size: 14px;
    width: 100%;
    justify-content: center;
  }
}