/* ═══════════════════════════════════════════════════════════════
   style.css — Scroll-driven portfolio for Nicholas Malan
   Dark theme · Accent colour · Grid motif · Bold type
   ═══════════════════════════════════════════════════════════════ */

/* ─── Custom Properties ─── */
:root {
  /* Palette */
  --bg:          #0a0a0c;
  --bg-elevated: #111115;
  --bg-card:     #16161a;
  --text:        #e8e6e3;
  --text-dim:    #8a8a8e;
  --text-muted:  #55555a;
  --accent:      #5ce1e6;          /* cyan-ish accent */
  --accent-dim:  rgba(92,225,230,.15);
  --accent-glow: rgba(92,225,230,.25);
  --devignite:   #ff6b35;          /* warm accent for DevIgnite section */
  --border:      rgba(255,255,255,.06);

  /* Typography */
  --font-sans:  'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Code', monospace;
  --font-display: 'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --section-pad: clamp(80px, 12vh, 160px);
  --side-pad:    clamp(20px, 5vw, 80px);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --duration: 0.6s;
}

/* ─── Reset & Base ─── */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Lock scroll while loading */
body.is-loading {
  overflow: hidden;
}

/* ─── Global Noise Overlay ─── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
}

/* ─── Focus styles (a11y) ─── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

img { display: block; max-width: 100%; }

/* ═══════════════════════════════════════════════════════════════
   INTRO LOADER
   ═══════════════════════════════════════════════════════════════ */
.loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s var(--ease-out), visibility 0.8s;
}

.loader--done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader__brand {
  font-size: clamp(1.6rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text);
  opacity: 0;
  animation: loaderFade 1.2s var(--ease-out) 0.2s forwards;
}

.loader__bar {
  width: 120px;
  height: 2px;
  background: var(--border);
  margin-top: 24px;
  border-radius: 2px;
  overflow: hidden;
}

.loader__bar-fill {
  width: 0%;
  height: 100%;
  background: var(--accent);
  animation: loaderBar 2s var(--ease-smooth) 0.4s forwards;
}

.loader__skip {
  position: absolute;
  bottom: 48px;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: color 0.3s, border-color 0.3s;
}
.loader__skip:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

@keyframes loaderFade { to { opacity: 1; } }
@keyframes loaderBar  { to { width: 100%; } }

/* ═══════════════════════════════════════════════════════════════
   STICKY NAV
   ═══════════════════════════════════════════════════════════════ */
.sticky-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px var(--side-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
}
.sticky-nav.is-visible { opacity: 1; }
.sticky-nav > * { pointer-events: auto; }

.nav-monogram {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--text);
}

.nav-contact {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  background: none;
  border: 1px solid var(--border);
  padding: 7px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.3s, border-color 0.3s;
}
.nav-contact:hover { color: var(--accent); border-color: var(--accent); }

/* ─── Side Progress Bar ─── */
.scroll-progress {
  position: fixed;
  right: 28px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.progress-bar {
  width: 2px;
  height: 90px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.progress-bar__fill {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 100%;
  background: var(--accent);
  transform-origin: bottom;
  transform: scaleY(0);
  will-change: transform;
}

/* ─── Section Dots ─── */
.section-dots {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.dot {
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dot__inner {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background 0.3s, transform 0.3s;
}
.dot.is-active .dot__inner {
  background: var(--accent);
  transform: scale(1.5);
}

/* ═══════════════════════════════════════════════════════════════
   SECTION SHARED
   ═══════════════════════════════════════════════════════════════ */
.section {
  position: relative;
  padding: var(--section-pad) var(--side-pad);
  min-height: 100vh;
}

.section-heading {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 48px;
}

/* ═══════════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════════ */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  z-index: 0;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  will-change: transform;
  z-index: 0;
}

.hero__grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.7;
}

.hero__gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 50% 40%, rgba(92,225,230,.18) 0%, transparent 65%),
    radial-gradient(ellipse 50% 40% at 55% 50%, rgba(92,225,230,.08) 0%, transparent 60%),
    radial-gradient(ellipse 90% 70% at 50% 50%, rgba(255,255,255,.02) 0%, transparent 80%);
  opacity: 1;
}

.hero__glow {
  position: absolute;
  top: 30%;
  left: 50%;
  width: 600px;
  height: 600px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(92,225,230,.12) 0%, transparent 70%);
  pointer-events: none;
  filter: blur(60px);
}

.hero__content {
  position: relative;
  z-index: 1;
  will-change: opacity;
}

.hero__layout {
  position: relative;
  z-index: 1;
  width: min(1100px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 32px;
  align-items: center;
  text-align: left;
}

.hero__layout--single {
  grid-template-columns: 1fr;
  text-align: center;
}

.hero__layout .hero__tagline,
.hero__layout .hero__subline {
  margin-left: 0;
  margin-right: 0;
}

.hero__layout--single .hero__tagline {
  margin: 0 auto 12px;
}

.hero__brand-row {
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  opacity: 0.92;
}

.hero__brand {
  height: 22px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
}

.hero__brand-sep {
  opacity: 0.6;
}

.hero__portrait {
  position: relative;
  width: min(340px, 40vw);
  aspect-ratio: 4 / 5;
  margin-left: auto;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.02);
}

.hero__portrait-frame {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 20% 10%, var(--accent-glow), transparent 60%),
    radial-gradient(120% 80% at 90% 80%, rgba(255,255,255,.05), transparent 55%);
  pointer-events: none;
  mix-blend-mode: screen;
}

.hero__portrait-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
}

.hero__name {
  font-size: clamp(3rem, 10vw, 8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 24px;
  will-change: transform, opacity;
  z-index: 1;
  color: #ffffff;
  text-shadow: 0 0 80px rgba(92,225,230,.15);
}

.hero__tagline {
  font-size: clamp(1rem, 2vw, 1.35rem);
  color: #d0cec9;
  max-width: 600px;
  margin: 0 auto 12px;
  text-shadow: 0 1px 20px rgba(0,0,0,.5);
}

.hero__subline {
  font-size: clamp(0.85rem, 1.5vw, 1rem);
  color: #a0a0a5;
  text-shadow: 0 1px 20px rgba(0,0,0,.5);
}

.hero__scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  will-change: opacity;
}

.hero__scroll-arrow {
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(6px); }
}

/* ═══════════════════════════════════════════════════════════════
   SPLIT STORY
   ═══════════════════════════════════════════════════════════════ */
#split-story {
  min-height: 280vh; /* Extra tall for two-phase curtain animation */
}

.split__container {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  max-width: 1100px;
  margin: 0 auto;
  position: sticky;
  top: 15vh;
}

.split__col {
  padding: 40px;
  will-change: transform, opacity;
  transition: opacity 0.05s linear;
}

/* DevIgnite side starts hidden — revealed by scroll */
.split__col--devignite {
  opacity: 0;
}

.split__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  opacity: 0.92;
}

.split__logo {
  height: 24px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
}

.split__label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  font-family: var(--font-mono);
}

.split__col--devignite .split__label {
  color: var(--devignite);
}

.split__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 8px;
}

.split__subtitle {
  color: var(--text-dim);
  margin-bottom: 24px;
  font-size: 1rem;
}

.split__points li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 12px;
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.55;
}
.split__points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.split__col--devignite .split__points li::before {
  background: var(--devignite);
}

/* ── Split Story links (dofollow backlinks) ── */
.split__title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}
.split__title a:hover {
  color: var(--accent);
}
.split__col--devignite .split__title a:hover {
  color: var(--devignite);
}
.split__link {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s ease;
}
.split__link:hover {
  opacity: 0.75;
}
.split__col--devignite .split__link {
  color: var(--devignite);
}

.split__divider {
  display: flex;
  align-items: stretch;
  justify-content: center;
  padding: 0 24px;
  opacity: 0; /* revealed by scroll animation */
  transition: opacity 0.05s linear;
}
.split__divider-line {
  width: 1px;
  background: var(--border);
}

.split__highlight {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-dim), transparent);
  pointer-events: none;
  opacity: 0;
  will-change: transform, opacity;
}

/* ── Shared curtain base ── */
.split__curtain {
  position: absolute;
  top: 0;
  width: 50%;
  height: 100%;
  will-change: transform, opacity;
  pointer-events: none;
  z-index: 5;
}

/* Blue curtain — covers DevIgnite (right) side on entry, shrinks toward center */
.split__curtain--blue {
  right: 0;
  transform-origin: left center;
  background:
    linear-gradient(135deg, rgba(92,225,230,.85) 0%, rgba(60,160,180,.92) 40%, rgba(30,100,130,.88) 100%);
  border-radius: 0 18px 18px 0;
  box-shadow: inset -20px 0 60px rgba(92,225,230,.15);
}

/* Orange curtain — grows from center to cover IAT (left) side */
.split__curtain--orange {
  left: 0;
  transform-origin: right center;   /* grows rightward from center */
  transform: scaleX(0);             /* starts collapsed */
  opacity: 0;
  background:
    linear-gradient(225deg, rgba(255,107,53,.88) 0%, rgba(200,75,30,.92) 40%, rgba(140,50,20,.85) 100%);
  border-radius: 18px 0 0 18px;
  box-shadow: inset 20px 0 60px rgba(255,107,53,.15);
}

/* ═══════════════════════════════════════════════════════════════
   SKILLS — Horizontal carousel driven by vertical scroll
   The outer section is very tall to give scroll room.
   A sticky inner viewport locks to the screen while
   vertical scroll progress translates the card track sideways.
   ═══════════════════════════════════════════════════════════════ */
#skills {
  /* Tall section — vertical scroll here drives horizontal motion */
  height: 400vh;
  padding-left: 0;
  padding-right: 0;
  position: relative;
}

.skills__sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.skills__header {
  padding: 0 var(--side-pad);
  margin-bottom: 32px;
  flex-shrink: 0;
}

.skills__track-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
  flex: 1 1 auto;
  display: flex;
  align-items: center;
}

.skills__track {
  display: flex;
  gap: 28px;
  padding: 0 var(--side-pad);
  will-change: transform;
  /* No wrapping — single horizontal row */
  flex-wrap: nowrap;
}

.skills__pillar {
  flex: 0 0 380px;
  min-width: 300px;
  padding: 36px 32px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  will-change: opacity;
  transition: border-color 0.4s var(--ease-out),
              background 0.4s var(--ease-out),
              box-shadow 0.4s;
}

.skills__pillar.is-current {
  border-color: var(--accent);
  background: rgba(92,225,230,0.05);
  box-shadow: 0 0 40px rgba(92,225,230,0.06);
}

.skills__number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}

.skills__title {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 10px 0 10px;
}

.skills__desc {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-bottom: 16px;
  line-height: 1.55;
}

.skills__keywords {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.skills__kw {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: border-color 0.3s, color 0.3s;
}

.skills__pillar.is-current .skills__kw {
  border-color: var(--accent);
  color: var(--accent);
}

.skills__progress-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
  padding: 0 var(--side-pad);
  flex-shrink: 0;
}

.skills__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background 0.3s, transform 0.3s;
}
.skills__dot.is-active {
  background: var(--accent);
  transform: scale(1.4);
}

/* ═══════════════════════════════════════════════════════════════
   PROJECTS — Full-viewport split showcase
   ═══════════════════════════════════════════════════════════════ */
#projects {
  height: 500vh;
  position: relative;
  padding-left: 0;
  padding-right: 0;
}

.projects__sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.projects__top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 40px var(--side-pad) 0;
  flex-shrink: 0;
}

.projects__top-bar .section-heading {
  margin-bottom: 0;
}

.projects__nav {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.projects__current-num {
  color: var(--accent);
  font-weight: 700;
  font-size: 1rem;
}

.projects__nav-dots {
  display: flex;
  gap: 6px;
}

.projects__nav-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background 0.3s, transform 0.3s;
}
.projects__nav-dot.is-active {
  background: var(--accent);
  transform: scale(1.4);
}

.projects__viewport {
  flex: 1;
  position: relative;
  overflow: hidden;
}

/* ─── Individual project slide ─── */
.project-slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  padding: 40px var(--side-pad) 60px;
  will-change: opacity, transform;
  pointer-events: none;
  opacity: 0;
}

.project-slide.is-active {
  pointer-events: auto;
  z-index: 2;
}

/* Large background number */
.project-slide__bg-num {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(15rem, 25vw, 28rem);
  font-weight: 900;
  color: rgba(255,255,255,.02);
  pointer-events: none;
  line-height: 1;
  z-index: 0;
  font-variant-numeric: tabular-nums;
}

/* Left column — identity */
.project-slide__left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 1;
  padding-right: 40px;
}

.project-slide__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.project-slide__title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.project-slide__lang {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 14px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  color: var(--accent);
  margin-bottom: 20px;
  width: fit-content;
}

.project-slide__desc {
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 28px;
}

.project-slide__links {
  display: flex;
  gap: 12px;
}

/* Right column — details */
.project-slide__right {
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 1;
  padding-left: 40px;
  border-left: 1px solid var(--border);
}

.project-slide__media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  margin-bottom: 26px;
}

.project-slide__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.02);
  opacity: 0.95;
}

.project-slide.is-active .project-slide__media img {
  opacity: 1;
}

.project-slide__media::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(700px 260px at 30% 10%, rgba(92,225,230,.12), transparent 60%);
  opacity: 0.7;
}

.project-slide__detail-group {
  margin-bottom: 32px;
}
.project-slide__detail-group:last-child {
  margin-bottom: 0;
}

.project-slide__detail-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.project-slide__stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-slide__tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 5px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  transition: border-color 0.3s, color 0.3s;
}

.project-slide.is-active .project-slide__tag {
  border-color: rgba(92,225,230,.2);
  color: var(--text);
}

.project-slide__outcomes {
  list-style: none;
  padding: 0;
}

.project-slide__outcomes li {
  position: relative;
  padding-left: 20px;
  color: var(--text-dim);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 6px;
}

.project-slide__outcomes li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

/* ─── Projects progress bar at bottom ─── */
.projects__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--border);
}

.projects__progress-fill {
  height: 100%;
  background: var(--accent);
  transform-origin: left;
  transform: scaleX(0);
  will-change: transform;
}

/* ═══════════════════════════════════════════════════════════════
   PROCESS TIMELINE — Sticky-pinned, scroll-driven reveal
   ═══════════════════════════════════════════════════════════════ */
#process {
  height: 250vh;
  position: relative;
  padding-left: 0;
  padding-right: 0;
}

.process__sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.process__header {
  padding: 0 var(--side-pad);
  margin-bottom: 40px;
  flex-shrink: 0;
  width: 100%;
  max-width: 700px;
}

.process__header .section-heading {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  text-transform: none;
  color: var(--text);
  margin-bottom: 0;
}

.process__timeline {
  position: relative;
  max-width: 650px;
  width: 100%;
  padding-left: 48px;
}

.process__line {
  position: absolute;
  left: 16px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}
.process__line-fill {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 100%;
  background: var(--accent);
  transform-origin: top;
  transform: scaleY(0);
  will-change: transform;
}

.process__step {
  position: relative;
  margin-bottom: 48px;
  will-change: transform, opacity;
  opacity: 0;
  transform: translate3d(30px, 0, 0);
  transition: opacity 0.05s linear, transform 0.05s linear;
}
.process__step:last-child {
  margin-bottom: 0;
}
.process__step.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.process__step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}

.process__step-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 6px 0 10px;
}

.process__step-desc {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 520px;
}

/* ─── Step dot on timeline ─── */
.process__step::before {
  content: '';
  position: absolute;
  left: -37px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--text-muted);
  transition: border-color 0.4s var(--ease-out), background 0.4s var(--ease-out), box-shadow 0.4s;
  margin-top: 4px;
}
.process__step.is-visible::before {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 12px rgba(92,225,230,0.3);
}

.process__progress-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 32px;
  flex-shrink: 0;
}

.process__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background 0.3s, transform 0.3s;
}
.process__dot.is-active {
  background: var(--accent);
  transform: scale(1.4);
}

/* ═══════════════════════════════════════════════════════════════
   OFFERINGS
   ═══════════════════════════════════════════════════════════════ */
#offerings {
  padding-top: var(--section-pad);
  padding-bottom: var(--section-pad);
}

.offerings__intro {
  text-align: center;
  margin-bottom: 60px;
}

.offerings__badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--devignite);
  border: 1px solid var(--devignite);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.offerings__sub {
  color: var(--text-dim);
  max-width: 500px;
  margin: 0 auto;
}

.offerings__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}

.offering-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px;
  will-change: transform, opacity;
  transition: border-color 0.3s;
}
.offering-card:hover {
  border-color: var(--devignite);
}

.offering-card__icon {
  font-size: 1.6rem;
  color: var(--devignite);
  display: block;
  margin-bottom: 16px;
}

.offering-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.offering-card__desc {
  color: var(--text-dim);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* Accent shift when offerings section is active */
body.offerings-active {
  --accent: var(--devignite);
}

/* ═══════════════════════════════════════════════════════════════
   CONTACT
   ═══════════════════════════════════════════════════════════════ */
#contact {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.contact__heading {
  font-size: clamp(1.8rem, 5vw, 3.5rem);
  font-weight: 800;
  max-width: 700px;
  margin-bottom: 16px;
  will-change: transform, opacity;
}

.contact__sub {
  color: var(--text-dim);
  font-size: 1.05rem;
  margin-bottom: 40px;
  will-change: opacity;
}

.contact__links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  will-change: transform, opacity;
}

/* ═══════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════ */
.site-footer {
  text-align: center;
  padding: 40px var(--side-pad);
  font-size: 0.78rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

/* ═══════════════════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 22px;
  cursor: pointer;
  background: none;
  color: var(--text);
  transition: background 0.3s, border-color 0.3s, color 0.3s, transform 0.2s;
}
.btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}
.btn--accent {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.btn--accent:hover {
  background: #fff;
  color: var(--bg);
  border-color: #fff;
}
.btn--sm  { padding: 6px 16px; font-size: 0.78rem; }
.btn--lg  { padding: 14px 30px; font-size: 0.95rem; }

.btn__icon {
  font-size: 1.1em;
}

/* ═══════════════════════════════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .hero__scroll-arrow { animation: none; }
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  /* Hero */
  .hero__layout {
    grid-template-columns: 1fr;
    gap: 18px;
    text-align: center;
  }
  .hero__layout .hero__tagline,
  .hero__layout .hero__subline {
    margin-left: auto;
    margin-right: auto;
  }
  .hero__portrait {
    width: min(360px, 92vw);
    margin-left: auto;
    margin-right: auto;
    border-radius: 16px;
  }
  .hero__brand { height: 20px; max-width: 160px; }

  /* Split story → stacked vertically */
  #split-story {
    min-height: 260vh;
  }
  .split__container {
    grid-template-columns: 1fr;
    gap: 24px;
    top: 8vh;
    max-width: 100%;
    padding: 0 4px;
    position: sticky;
  }
  .split__col {
    padding: 28px 20px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: var(--bg-card);
  }
  .split__title {
    font-size: clamp(1.4rem, 5vw, 2rem);
  }
  .split__subtitle {
    font-size: 0.9rem;
  }
  .split__points li {
    font-size: 0.88rem;
    margin-bottom: 10px;
  }
  .split__divider { display: none; }
  .split__highlight { display: none; }
  .split__logo { height: 22px; max-width: 200px; }

  /* Curtains become full-width and animate vertically on mobile */
  .split__curtain {
    width: 100%;
    /* Blue covers bottom card (devignite), orange covers top card (iat) */
  }
  .split__curtain--blue {
    /* Cover the second (DevIgnite) column area */
    top: auto;
    bottom: 0;
    right: auto;
    left: 0;
    height: 50%;
    width: 100%;
    transform-origin: center top;   /* shrinks upward toward center */
    border-radius: 0 0 14px 14px;
  }
  .split__curtain--orange {
    /* Grows downward from center to cover IAT column */
    top: 0;
    left: 0;
    height: 50%;
    width: 100%;
    transform-origin: center bottom; /* grows downward */
    transform: scaleY(0);
    border-radius: 14px 14px 0 0;
  }

  /* Skills track */
  .skills__pillar {
    flex: 0 0 280px;
    min-width: 260px;
    padding: 24px 20px;
  }

  /* Projects */
  .project-slide { grid-template-columns: 1fr; padding: 24px var(--side-pad) 40px; }
  .project-slide__left { padding-right: 0; }
  .project-slide__right { padding-left: 0; border-left: none; border-top: 1px solid var(--border); padding-top: 24px; }
  .project-slide__media { margin-bottom: 22px; border-radius: 16px; }
  .project-slide__title { font-size: 1.6rem; }
  .project-slide__bg-num { font-size: 10rem; }

  /* Side progress → hide on small screens */
  .scroll-progress { display: none; }

  /* Nav */
  .sticky-nav { padding: 14px var(--side-pad); }
}

@media (max-width: 480px) {
  .hero__name { font-size: 2.5rem; }
  .offerings__grid { grid-template-columns: 1fr; }
  .contact__links { flex-direction: column; align-items: center; }

  /* Split story — extra small */
  .split__col {
    padding: 22px 16px;
  }
  .split__title {
    font-size: 1.3rem;
  }
  .split__points li {
    font-size: 0.84rem;
    line-height: 1.45;
  }
  .split__label {
    font-size: 0.62rem;
    margin-bottom: 12px;
  }
}