/* ════════════════════════════════════════════════════════
   DR. FAIZAN IRFAN — MEDICAL PORTFOLIO  |  style.css
   Theme  : Dark clinical, teal/cyan medical accents
   Fonts  : Cormorant Garamond (display) + DM Sans (body)
   Palette:
     --teal       #2ABFBF   primary accent
     --teal-d     #1d9e9e   hover/darker
     --teal-glow  rgba(42,191,191,0.10)
     --bg         #09090F   deepest background
     --bg2        #0D0D15   section alternate
     --bg3        #111120   card surface
   ════════════════════════════════════════════════════════ */

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

:root {
  --teal:         #2ABFBF;
  --teal-d:       #1d9e9e;
  --teal-light:   #5ED4D4;
  --teal-glow:    rgba(42,191,191,0.10);
  --teal-border:  rgba(42,191,191,0.22);
  --teal-faint:   rgba(42,191,191,0.06);
  --white:        #ffffff;
  --bg:           #09090F;
  --bg2:          #0D0D15;
  --bg3:          #111120;
  --border:       rgba(255,255,255,0.07);
  --text-dim:     rgba(255,255,255,0.54);
  --text-faint:   rgba(255,255,255,0.28);
  --red-soft:     #e05c5c;
  --green-soft:   #4ea87a;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  font-family: 'DM Sans', sans-serif;
  color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── SCROLL PROGRESS BAR ──────────────────────────────── */
.scroll-progress {
  position: fixed; top: 0; left: 0;
  height: 2px; width: 0%;
  background: linear-gradient(90deg, var(--teal-d), var(--teal-light));
  z-index: 9999;
  pointer-events: none;
  transition: width .08s linear;
  box-shadow: 0 0 8px rgba(42,191,191,0.5);
}

/* ── SIDE NAV DOTS ────────────────────────────────────── */
.side-nav {
  position: fixed;
  right: 26px; top: 50%;
  transform: translateY(-50%);
  z-index: 800;
  display: flex; flex-direction: column; gap: 14px;
}
.side-nav__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: rgba(42,191,191,0.18);
  display: block; text-decoration: none;
  position: relative;
  transition: background .3s, transform .3s, box-shadow .3s;
}
.side-nav__dot::after {
  content: attr(title);
  position: absolute; right: 18px; top: 50%;
  transform: translateY(-50%);
  font-size: 9px; font-weight: 500;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--teal); white-space: nowrap;
  opacity: 0; pointer-events: none;
  transition: opacity .2s;
  background: rgba(9,9,15,.85);
  padding: 3px 8px;
}
.side-nav__dot:hover::after { opacity: 1; }
.side-nav__dot.active {
  background: var(--teal);
  transform: scale(1.9);
  box-shadow: 0 0 10px rgba(42,191,191,0.5);
}
.side-nav__dot:hover { background: var(--teal); }

/* ── SHARED UTILITIES ─────────────────────────────────── */
.section-eyebrow {
  display: flex; align-items: center; gap: 14px;
  font-size: 10px; font-weight: 500;
  letter-spacing: .4em; color: var(--teal);
  text-transform: uppercase; margin-bottom: 20px;
}
.eyebrow-line {
  display: block; width: 28px; height: 1px;
  background: var(--teal); flex-shrink: 0;
}
.section-heading {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(36px, 5vw, 66px);
  font-weight: 600; line-height: .95;
  color: var(--white); letter-spacing: -.02em;
}
.section-heading em { font-style: italic; color: var(--teal); }

/* ── REVEAL ANIMATIONS ────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(48px);
  transition: opacity .95s ease, transform .95s cubic-bezier(.22,1,.36,1);
}
.reveal--right { transform: translateX(48px); }
.reveal.visible { opacity: 1; transform: translate(0,0); }

/* ════════════════════════════════════════════════════════
   HERO SECTION
   ════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; flex-direction: column;
  justify-content: center;
  background: var(--bg2);
  overflow: hidden;
}

/* Grid dot pattern */
.hero__pattern {
  position: absolute; inset: 0; z-index: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(42,191,191,0.07) 1px, transparent 1px);
  background-size: 40px 40px;
  animation: patternDrift 24s linear infinite;
}
@keyframes patternDrift {
  0%   { background-position: 0 0; }
  100% { background-position: 40px 40px; }
}

/* Bottom fade */
.hero__vignette {
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 220px; z-index: 1; pointer-events: none;
  background: linear-gradient(to bottom, transparent, var(--bg2));
}

/* ECG Line — decorative bottom strip */
.hero__ecg {
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 80px; z-index: 2; pointer-events: none;
  color: rgba(42,191,191,0.18);
  overflow: hidden;
}
.hero__ecg svg {
  width: 100%; height: 100%;
  animation: ecgScroll 8s linear infinite;
}
@keyframes ecgScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── HERO CONTENT ── */
.hero__content {
  position: relative; z-index: 3;
  display: grid; grid-template-columns: 1.1fr 0.9fr;
  align-items: center; gap: 60px;
  padding: 120px 80px 100px;
  max-width: 1440px; margin: 0 auto; width: 100%;
}

/* Eyebrow */
.hero__eyebrow {
  display: flex; align-items: center; gap: 14px;
  font-size: 10px; font-weight: 500;
  letter-spacing: .35em; color: var(--teal);
  text-transform: uppercase; margin-bottom: 24px;
}
.hero__eyebrow-line {
  display: block; width: 24px; height: 1px;
  background: var(--teal); flex-shrink: 0;
}

/* Name */
.hero__name {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(60px, 9vw, 118px);
  font-weight: 600; line-height: 1.0;
  letter-spacing: -.03em; margin-bottom: 16px;
}
.hero__name-line {
  display: block; overflow: hidden;
  padding-bottom: .1em; margin-bottom: -.1em;
}
.hero__name-line span {
  display: block;
  transform: translateY(110%);
  animation: slideUp .95s cubic-bezier(.22,1,.36,1) forwards;
}
.hero__name-line:nth-child(1) span { animation-delay: .12s; }
.hero__name-line:nth-child(2) span { animation-delay: .28s; }
.hero__name-line--accent span { color: var(--teal); }
@keyframes slideUp { to { transform: translateY(0); } }

/* Credential badge */
.hero__credential {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px; font-weight: 400; letter-spacing: .35em;
  color: var(--teal); text-transform: uppercase;
  margin-bottom: 28px;
  padding: 10px 20px;
  border: 1px solid var(--teal-border);
  background: var(--teal-faint);
  opacity: 0;
  animation: fadeIn .8s ease .65s forwards;
}
.hero__credential::before {
  content: '';
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 8px rgba(42,191,191,.6);
  animation: credPulse 2s ease-in-out infinite;
}
@keyframes credPulse {
  0%,100% { opacity: 1; } 50% { opacity: .4; }
}
@keyframes fadeIn { to { opacity: 1; } }

/* Tagline */
.hero__tagline {
  font-size: 15px; font-weight: 300; line-height: 1.88;
  color: var(--text-dim); max-width: 520px; margin-bottom: 28px;
}

/* Specialty pills */
.hero__pills {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 36px;
}
.hero__pill {
  padding: 6px 16px;
  border: 1px solid var(--teal-border);
  background: var(--teal-faint);
  font-size: 10px; font-weight: 500;
  letter-spacing: .1em; color: var(--teal);
  text-transform: uppercase;
  transition: background .2s, border-color .2s, transform .2s;
  cursor: default;
}
.hero__pill:hover {
  background: rgba(42,191,191,.15);
  border-color: var(--teal);
  transform: translateY(-2px);
}

/* CTA row */
.hero__cta-row {
  display: flex; align-items: center; gap: 28px; margin-bottom: 52px;
}
.hero__cta-btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 16px 36px;
  background: var(--teal); color: var(--bg);
  font-family: 'DM Sans', sans-serif;
  font-size: 11px; font-weight: 600; letter-spacing: .22em;
  text-transform: uppercase; text-decoration: none;
  transition: background .2s, gap .25s, box-shadow .2s;
}
.hero__cta-btn:hover {
  background: var(--teal-d); gap: 20px;
  box-shadow: 0 8px 28px rgba(42,191,191,.22);
}
.hero__cta-ghost {
  font-size: 12px; font-weight: 400;
  color: var(--text-dim); text-decoration: none;
  letter-spacing: .1em;
  transition: color .2s;
}
.hero__cta-ghost:hover { color: var(--teal); }

/* Stats row */
.hero__stats-row {
  display: flex; gap: 0;
  border-top: 1px solid var(--border);
  padding-top: 32px;
}
.hero__stat {
  flex: 1; padding-right: 20px; margin-right: 20px;
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 6px;
}
.hero__stat:last-child { border-right: none; padding-right: 0; margin-right: 0; }
.hero__stat-n {
  font-family: 'Cormorant Garamond', serif;
  font-size: 38px; font-weight: 600; color: var(--white); line-height: 1;
}
.hero__stat-l {
  font-size: 9px; font-weight: 400; letter-spacing: .18em;
  color: var(--text-faint); text-transform: uppercase;
}

/* ── PHOTO FRAME ── */
.hero__right {
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateX(44px);
  animation: fadeSlideLeft .95s cubic-bezier(.22,1,.36,1) .5s forwards;
}
@keyframes fadeSlideLeft { to { opacity:1; transform:translateX(0); } }

.hero__photo-frame {
  position: relative; width: 380px; height: 500px;
}

/* Animated corner rings */
.hero__photo-ring {
  position: absolute; pointer-events: none;
}
.hero__photo-ring--1 {
  inset: -14px;
  border: 1px solid var(--teal-border);
  animation: ringPulse 5s ease-in-out infinite;
}
.hero__photo-ring--2 {
  inset: -28px;
  border: 1px solid rgba(42,191,191,.09);
  animation: ringPulse 5s ease-in-out infinite .7s;
}
@keyframes ringPulse { 0%,100%{opacity:.4} 50%{opacity:1} }

/* Photo wrapper */
.hero__photo-wrap {
  position: absolute; inset: 0; overflow: hidden;
  background: linear-gradient(160deg, #111120 0%, #07070e 100%);
}
.hero__photo {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center top; display: block;
  transition: transform .6s ease;
}
.hero__photo-frame:hover .hero__photo { transform: scale(1.03); }
.hero__photo-initials {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Cormorant Garamond', serif;
  font-size: 80px; font-weight: 600; color: var(--teal);
  letter-spacing: .1em;
}

/* Available badge */
.hero__badge {
  position: absolute; bottom: -18px; left: -20px;
  display: flex; align-items: center; gap: 10px;
  padding: 12px 20px;
  background: var(--bg); border: 1px solid var(--teal-border);
  font-size: 11px; font-weight: 400; letter-spacing: .1em;
  color: rgba(255,255,255,.6); z-index: 4;
  box-shadow: 0 4px 20px rgba(0,0,0,.4);
}
.hero__badge-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green-soft);
  box-shadow: 0 0 0 3px rgba(78,168,122,.2);
  animation: availPulse 2.5s ease-in-out infinite; flex-shrink: 0;
}
@keyframes availPulse {
  0%,100%{ box-shadow: 0 0 0 3px rgba(78,168,122,.2); }
  50%    { box-shadow: 0 0 0 8px rgba(78,168,122,.05); }
}

/* F.C.C.M. credential badge on frame */
.hero__frame-cert {
  position: absolute; top: -18px; right: -18px;
  padding: 10px 20px;
  background: var(--teal); color: var(--bg);
  font-family: 'DM Sans', sans-serif;
  font-size: 12px; font-weight: 600; letter-spacing: .3em;
  text-transform: uppercase; z-index: 4;
  box-shadow: 0 4px 20px rgba(42,191,191,.3);
}

/* Scroll indicator */
.hero__scroll {
  position: absolute; bottom: 36px; left: 50%;
  transform: translateX(-50%); z-index: 5;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: 9px; font-weight: 400; letter-spacing: .3em;
  color: var(--text-faint); text-transform: uppercase;
}
.hero__scroll-line {
  width: 1px; height: 40px;
  background: rgba(255,255,255,.1); position: relative; overflow: hidden;
}
.hero__scroll-line::after {
  content: ''; position: absolute;
  top: -100%; width: 100%; height: 100%;
  background: var(--teal);
  animation: scrollDrop 1.8s ease-in-out infinite;
}
@keyframes scrollDrop { 0%{top:-100%} 100%{top:100%} }

/* ════════════════════════════════════════════════════════
   ABOUT SECTION
   ════════════════════════════════════════════════════════ */
.about {
  padding: 120px 80px;
  background: var(--bg);
  position: relative; overflow: hidden;
}
.about::before {
  content: ''; position: absolute;
  top: -200px; right: -200px;
  width: 650px; height: 650px; border-radius: 50%;
  background: radial-gradient(circle, rgba(42,191,191,.05) 0%, transparent 65%);
  pointer-events: none;
}
.about::after {
  content: ''; position: absolute;
  bottom: -150px; left: -150px;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(42,191,191,.03) 0%, transparent 65%);
  pointer-events: none;
}

.about__inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: start;
  max-width: 1440px; margin: 0 auto;
  position: relative; z-index: 1;
}

/* Animated divider line */
.about__divider {
  width: 52px; height: 1px;
  background: var(--teal); margin: 28px 0;
  transform: scaleX(0); transform-origin: left;
  transition: transform .7s .35s cubic-bezier(.22,1,.36,1);
}
.about__left.visible .about__divider { transform: scaleX(1); }

.about__body {
  font-size: 14.5px; font-weight: 300; line-height: 1.95;
  color: var(--text-dim); margin-bottom: 18px;
  text-align: justify;
}
.about__body em {
  color: var(--teal-light); font-style: italic; font-weight: 400;
}

/* Education timeline */
.about__edu {
  margin-top: 36px;
  border-left: 1px solid rgba(42,191,191,.3);
  padding-left: 24px;
  display: flex; flex-direction: column; gap: 26px;
}
.about__edu-item {
  display: flex; align-items: flex-start; gap: 16px;
}
.about__edu-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--teal); flex-shrink: 0; margin-top: 4px;
  box-shadow: 0 0 0 3px rgba(42,191,191,.15);
}
.about__edu-degree {
  display: block; font-size: 14px; font-weight: 500;
  color: var(--white); margin-bottom: 4px;
}
.about__edu-uni {
  display: block; font-size: 12px; font-weight: 300;
  color: var(--text-dim); margin-bottom: 4px;
}
.about__edu-year {
  display: block; font-size: 10px; font-weight: 500;
  letter-spacing: .15em; color: var(--teal); text-transform: uppercase;
}

/* Cert chips */
.about__certs {
  margin-top: 28px; display: flex; flex-direction: column; gap: 9px;
}
.about__cert {
  font-size: 12px; font-weight: 300; color: var(--text-dim);
  padding: 11px 16px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.02);
  transition: border-color .25s, background .25s, transform .25s;
}
.about__cert:hover {
  border-color: var(--teal-border);
  background: var(--teal-faint);
  transform: translateX(4px);
}

/* Right column */
.about__right { position: relative; }
.about__big-num {
  position: absolute; top: -24px; right: 0;
  font-family: 'Cormorant Garamond', serif;
  font-size: 190px; font-weight: 700;
  color: rgba(42,191,191,.04); line-height: 1;
  pointer-events: none; user-select: none;
  letter-spacing: -.06em;
}

/* Expertise cards */
.about__cards {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 3px; position: relative; z-index: 1;
}
.about__card {
  padding: 28px 22px;
  background: rgba(255,255,255,.024);
  border: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 11px;
  transition: background .25s, border-color .25s, transform .3s;
  position: relative; overflow: hidden;
}
.about__card::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: var(--teal);
  transform: scaleX(0); transform-origin: left;
  transition: transform .45s cubic-bezier(.22,1,.36,1);
}
.about__card:hover {
  background: var(--teal-faint);
  border-color: var(--teal-border);
  transform: translateY(-4px);
}
.about__card:hover::before { transform: scaleX(1); }
.about__card-icon { font-size: 28px; }
.about__card-title {
  font-size: 14px; font-weight: 500; color: var(--white);
}
.about__card-desc {
  font-size: 11px; font-weight: 300; line-height: 1.7;
  color: var(--text-dim);
}

/* ════════════════════════════════════════════════════════
   EXPERIENCE / TIMELINE SECTION
   ════════════════════════════════════════════════════════ */
.experience {
  padding: 120px 80px;
  background: var(--bg2);
  position: relative; overflow: hidden;
}
/* Subtle diagonal stripe texture */
.experience::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: repeating-linear-gradient(
    -55deg, transparent, transparent 80px,
    rgba(42,191,191,.012) 80px, rgba(42,191,191,.012) 81px
  );
}
/* Glow top-right */
.experience::after {
  content: ''; position: absolute;
  top: -200px; right: -200px;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(42,191,191,.06) 0%, transparent 65%);
  pointer-events: none;
}

.experience__inner {
  max-width: 1020px; margin: 0 auto;
  position: relative; z-index: 1;
}
.experience__header { margin-bottom: 72px; }

/* Timeline wrapper */
.timeline { display: flex; flex-direction: column; }

.timeline__item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 0 32px;
  padding-bottom: 52px;
}
.timeline__item:last-child { padding-bottom: 0; }

/* Left column: dot + connecting line */
.timeline__left {
  display: flex; flex-direction: column; align-items: center;
}
.timeline__dot {
  width: 14px; height: 14px; border-radius: 50%;
  border: 1px solid rgba(42,191,191,.4);
  background: var(--bg2);
  flex-shrink: 0; position: relative;
  margin-top: 6px; z-index: 1;
  transition: background .3s, border-color .3s, box-shadow .3s;
}
/* Active/current dot */
.timeline__dot--current {
  background: var(--teal);
  border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(42,191,191,.18);
}
.timeline__dot--current::after {
  content: ''; position: absolute;
  inset: -4px; border-radius: 50%;
  border: 1px solid rgba(42,191,191,.3);
  animation: dotRipple 2.5s ease-in-out infinite;
}
@keyframes dotRipple {
  0%  { transform: scale(1); opacity: .7; }
  100%{ transform: scale(2.2); opacity: 0; }
}
/* Connecting line */
.timeline__line {
  flex: 1; width: 1px; min-height: 40px;
  background: linear-gradient(to bottom, rgba(42,191,191,.4), rgba(42,191,191,.06));
  margin-top: 8px;
}

/* Right column: card */
.timeline__body {
  background: rgba(255,255,255,.024);
  border: 1px solid var(--border);
  padding: 28px 32px;
  transition: border-color .3s, background .3s;
}
.timeline__body:hover {
  border-color: var(--teal-border);
  background: var(--teal-faint);
}
.timeline__item:hover .timeline__dot:not(.timeline__dot--current) {
  background: rgba(42,191,191,.18);
  border-color: var(--teal);
}

.timeline__header {
  display: flex; align-items: flex-start;
  justify-content: space-between; gap: 16px;
  margin-bottom: 8px;
}
.timeline__role {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px; font-weight: 600; color: var(--white);
  margin-bottom: 5px; line-height: 1.2;
}
.timeline__company {
  font-size: 11px; font-weight: 500; letter-spacing: .14em;
  color: var(--teal); text-transform: uppercase;
}
.timeline__period {
  font-size: 10px; font-weight: 400; letter-spacing: .1em;
  color: var(--text-faint); text-transform: uppercase;
  white-space: nowrap; flex-shrink: 0;
  padding: 5px 12px;
  border: 1px solid var(--border);
  margin-top: 2px;
}

/* Employment type badge (Remote / On-site etc.) */
.timeline__type {
  font-size: 10px; font-weight: 400; letter-spacing: .1em;
  color: var(--text-faint); margin-bottom: 18px;
  display: flex; align-items: center; gap: 8px;
}
.timeline__type::before {
  content: '';
  display: inline-block; width: 6px; height: 1px;
  background: var(--teal); flex-shrink: 0;
}

/* Bullets */
.timeline__bullets {
  list-style: none;
  display: flex; flex-direction: column; gap: 10px;
  margin-bottom: 20px;
}
.timeline__bullets li {
  font-size: 13px; font-weight: 300; line-height: 1.78;
  color: var(--text-dim);
  padding-left: 18px; position: relative;
}
.timeline__bullets li::before {
  content: '→'; position: absolute; left: 0;
  color: var(--teal); font-size: 11px; top: 1px;
}
.timeline__bullets li strong { color: var(--white); font-weight: 500; }

/* Tech/skill tags */
.timeline__tags {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.timeline__tags span {
  font-size: 9px; font-weight: 500; letter-spacing: .1em;
  color: rgba(255,255,255,.38);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  padding: 3px 10px; text-transform: uppercase;
  transition: color .2s, border-color .2s, background .2s;
}
.timeline__body:hover .timeline__tags span {
  color: var(--teal); border-color: var(--teal-border);
  background: var(--teal-faint);
}

/* ════════════════════════════════════════════════════════
   RESEARCH / PORTFOLIO SECTION
   ════════════════════════════════════════════════════════ */
.portfolio {
  padding: 120px 80px;
  background: var(--bg);
  position: relative; overflow: hidden;
}
.portfolio::before {
  content: ''; position: absolute;
  bottom: -150px; right: -150px;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(42,191,191,.04) 0%, transparent 65%);
  pointer-events: none;
}

.portfolio__inner { max-width: 1440px; margin: 0 auto; position: relative; z-index: 1; }
.portfolio__header { margin-bottom: 64px; }
.portfolio__sub {
  font-size: 14px; font-weight: 300; line-height: 1.85;
  color: var(--text-dim); margin-top: 16px; max-width: 500px;
}

/* Cards grid */
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3px;
}

/* Base card */
.port-card {
  position: relative;
  background: rgba(255,255,255,.024);
  border: 1px solid var(--border);
  overflow: hidden; display: flex; flex-direction: column;
  transition: border-color .3s, transform .35s cubic-bezier(.22,1,.36,1);
}
/* Top accent bar on hover */
.port-card::after {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: var(--teal);
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s cubic-bezier(.22,1,.36,1); z-index: 5;
}
.port-card:hover {
  border-color: var(--teal-border);
  transform: translateY(-5px);
  z-index: 2;
}
.port-card:hover::after { transform: scaleX(1); }

/* Wide card spans both columns, shows image on left + text on right */
.port-card--wide {
  grid-column: span 2;
  display: grid; grid-template-columns: 1fr 1fr;
}

/* Card number watermark */
.port-card__num {
  position: absolute; top: 18px; left: 18px; z-index: 3;
  font-family: 'Cormorant Garamond', serif;
  font-size: 56px; font-weight: 300;
  color: rgba(255,255,255,.05); line-height: 1; pointer-events: none;
}

/* Image panel */
.port-card__img {
  position: relative; height: 340px; overflow: hidden;
  background: #0a0a14; background-size: cover; background-position: center;
  transition: background-size .7s ease;
}
.port-card__img--short { height: 200px; }
.port-card:hover .port-card__img { background-size: 108%; }
.port-card__img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(9,9,15,.08) 0%, rgba(9,9,15,.72) 100%);
}

/* Card body */
.port-card__body {
  padding: 28px 30px;
  display: flex; flex-direction: column; flex: 1;
}
.port-card__domain {
  font-size: 9px; font-weight: 600; letter-spacing: .22em;
  color: var(--teal); text-transform: uppercase; margin-bottom: 10px;
}
.port-card__title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(17px, 2vw, 26px); font-weight: 600;
  color: var(--white); line-height: 1.18; margin-bottom: 14px;
}
.port-card__desc {
  font-size: 13px; font-weight: 300; line-height: 1.82;
  color: var(--text-dim); margin-bottom: 20px; flex: 1;
}
.port-card__metrics {
  display: flex; gap: 24px; margin-bottom: 18px;
}
.port-card__metric-val {
  font-family: 'Cormorant Garamond', serif;
  font-size: 28px; font-weight: 600; color: var(--white);
  line-height: 1; display: block; margin-bottom: 3px;
}
.port-card__metric-lbl {
  font-size: 9px; font-weight: 400; letter-spacing: .12em;
  color: var(--text-faint); text-transform: uppercase;
}
.port-card__tags {
  display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px;
}
.port-card__tags span {
  font-size: 9px; font-weight: 500; letter-spacing: .1em;
  color: rgba(255,255,255,.35);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  padding: 3px 9px; text-transform: uppercase;
  transition: color .2s, border-color .2s, background .2s;
}
.port-card:hover .port-card__tags span {
  color: var(--teal); border-color: var(--teal-border);
  background: var(--teal-faint);
}
.port-card__link {
  font-size: 10px; font-weight: 500; letter-spacing: .18em;
  color: var(--teal); text-decoration: none;
  text-transform: uppercase; margin-top: auto;
  padding-top: 16px; border-top: 1px solid var(--border);
  transition: letter-spacing .25s, color .2s;
}
.port-card__link:hover { letter-spacing: .28em; color: var(--teal-light); }

/* ════════════════════════════════════════════════════════
   HONORS & AWARDS SECTION
   ════════════════════════════════════════════════════════ */
.honors {
  padding: 120px 80px;
  background: var(--bg2);
  position: relative; overflow: hidden;
}
/* Cross-hatch subtle background */
.honors::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(42,191,191,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42,191,191,.03) 1px, transparent 1px);
  background-size: 56px 56px;
}
.honors::after {
  content: ''; position: absolute;
  top: -150px; left: -150px;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(42,191,191,.05) 0%, transparent 65%);
  pointer-events: none;
}

.honors__inner {
  max-width: 1440px; margin: 0 auto;
  position: relative; z-index: 1;
}
.honors__header { margin-bottom: 64px; }

/* Honors grid */
.honors__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 3px;
  align-items: start;
}

/* Base honor card */
.honor-card {
  background: rgba(255,255,255,.024);
  border: 1px solid var(--border);
  padding: 36px 32px;
  display: flex; flex-direction: column; gap: 0;
  position: relative; overflow: hidden;
  transition: border-color .3s, background .3s, transform .35s cubic-bezier(.22,1,.36,1);
}
.honor-card::before {
  content: ''; position: absolute;
  top: 0; left: 0; bottom: 0; width: 2px;
  background: var(--teal);
  transform: scaleY(0); transform-origin: bottom;
  transition: transform .4s cubic-bezier(.22,1,.36,1);
}
.honor-card:hover {
  border-color: var(--teal-border);
  background: var(--teal-faint);
  transform: translateY(-4px);
}
.honor-card:hover::before { transform: scaleY(1); }

/* Featured card: gold-star glow */
.honor-card--featured {
  border-color: var(--teal-border);
  background: rgba(42,191,191,.04);
  box-shadow: 0 0 40px rgba(42,191,191,.08);
}
.honor-card--featured::before { transform: scaleY(1); }

/* Medal emoji */
.honor-card__medal {
  font-size: 40px; margin-bottom: 20px;
  display: block; line-height: 1;
  filter: drop-shadow(0 2px 8px rgba(42,191,191,.2));
}

/* Status badge pill */
.honor-card__badge {
  display: inline-block;
  font-size: 9px; font-weight: 600; letter-spacing: .22em;
  color: var(--teal); text-transform: uppercase;
  border: 1px solid var(--teal-border);
  background: var(--teal-faint);
  padding: 4px 12px; margin-bottom: 14px;
  width: fit-content;
}

/* Card title */
.honor-card__title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(18px, 1.8vw, 24px); font-weight: 600;
  color: var(--white); line-height: 1.2; margin-bottom: 14px;
}

/* Description */
.honor-card__desc {
  font-size: 13px; font-weight: 300; line-height: 1.82;
  color: var(--text-dim); margin-bottom: 20px; flex: 1;
}

/* Issuer + date row */
.honor-card__meta {
  display: flex; flex-direction: column; gap: 5px;
  margin-bottom: 18px;
  padding-top: 16px; border-top: 1px solid var(--border);
}
.honor-card__issuer {
  font-size: 11px; font-weight: 300;
  color: var(--text-faint); line-height: 1.6;
}
.honor-card__date {
  font-size: 10px; font-weight: 500; letter-spacing: .15em;
  color: var(--teal); text-transform: uppercase;
}

/* Tags */
.honor-card__tags {
  display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px;
}
.honor-card__tags span {
  font-size: 9px; font-weight: 500; letter-spacing: .1em;
  color: rgba(255,255,255,.35);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  padding: 3px 9px; text-transform: uppercase;
  transition: color .2s, border-color .2s;
}
.honor-card:hover .honor-card__tags span {
  color: var(--teal); border-color: var(--teal-border);
}

/* Link */
.honor-card__link {
  font-size: 10px; font-weight: 500; letter-spacing: .18em;
  color: var(--teal); text-decoration: none; text-transform: uppercase;
  margin-top: auto; display: inline-flex; align-items: center; gap: 8px;
  transition: letter-spacing .25s, color .2s;
}
.honor-card__link::after {
  content: '→'; font-size: 12px;
  transition: transform .25s;
}
.honor-card__link:hover { letter-spacing: .28em; color: var(--teal-light); }
.honor-card__link:hover::after { transform: translateX(4px); }

/* ════════════════════════════════════════════════════════
   CONTACT SECTION
   ════════════════════════════════════════════════════════ */
.contact {
  padding: 120px 80px 0;
  background: var(--bg); position: relative; overflow: hidden;
}
.contact::before {
  content: ''; position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(42,191,191,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42,191,191,.025) 1px, transparent 1px);
  background-size: 56px 56px; pointer-events: none;
}

.contact__inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: start;
  max-width: 1440px; margin: 0 auto;
  position: relative; z-index: 1;
}

/* Left info column */
.contact__sub {
  font-size: 14px; font-weight: 300; line-height: 1.88;
  color: var(--text-dim); margin: 20px 0 36px; max-width: 430px;
}
.contact__cards {
  display: flex; flex-direction: column; gap: 10px; margin-bottom: 32px;
}
.contact__card {
  display: flex; align-items: center; gap: 18px;
  padding: 17px 22px;
  background: rgba(255,255,255,.02);
  border: 1px solid var(--border);
  text-decoration: none;
  transition: background .25s, border-color .25s, transform .25s;
  position: relative; overflow: hidden;
}
.contact__card::before {
  content: ''; position: absolute;
  left: 0; top: 0; bottom: 0; width: 2px;
  background: var(--teal);
  transform: scaleY(0); transform-origin: bottom;
  transition: transform .3s cubic-bezier(.22,1,.36,1);
}
.contact__card:hover {
  background: var(--teal-faint);
  border-color: var(--teal-border);
  transform: translateX(4px);
}
.contact__card:hover::before { transform: scaleY(1); }

.contact__card-icon {
  width: 42px; height: 42px;
  background: rgba(42,191,191,.08);
  border: 1px solid var(--teal-border);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; color: var(--teal);
}
.contact__card-label {
  display: block; font-size: 9px; font-weight: 600;
  letter-spacing: .25em; color: var(--teal);
  text-transform: uppercase; margin-bottom: 4px;
}
.contact__card-val {
  display: block; font-size: 13px; font-weight: 300;
  color: rgba(255,255,255,.68); line-height: 1.4;
}

/* Social links row */
.contact__social {
  display: flex; align-items: center; gap: 16px;
  padding-top: 24px; border-top: 1px solid var(--border);
}
.contact__social-label {
  font-size: 9px; font-weight: 600; letter-spacing: .25em;
  color: var(--text-faint); text-transform: uppercase; white-space: nowrap;
}
.contact__social-links { display: flex; gap: 8px; flex-wrap: wrap; }
.contact__social-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  border: 1px solid rgba(255,255,255,.1);
  background: transparent; color: rgba(255,255,255,.42);
  font-family: 'DM Sans', sans-serif;
  font-size: 11px; font-weight: 400;
  letter-spacing: .1em; text-decoration: none;
  transition: border-color .2s, color .2s, background .2s, transform .2s;
}
.contact__social-btn:hover {
  border-color: var(--teal); color: var(--teal);
  background: var(--teal-faint); transform: translateY(-2px);
}

/* Contact Form */
.contact__right { }
.contact__form {
  background: rgba(255,255,255,.024);
  border: 1px solid var(--border);
  padding: 48px 44px; position: relative;
}
/* Corner accents */
.contact__form::before,
.contact__form::after {
  content: ''; position: absolute; width: 22px; height: 22px;
}
.contact__form::before {
  top: -1px; left: -1px;
  border-top: 1px solid var(--teal); border-left: 1px solid var(--teal);
}
.contact__form::after {
  bottom: -1px; right: -1px;
  border-bottom: 1px solid var(--teal); border-right: 1px solid var(--teal);
}

/* Form fields */
.cf__field { position: relative; margin-bottom: 34px; }
.cf__field--textarea { margin-bottom: 34px; }

.cf__field input,
.cf__field textarea {
  width: 100%; background: transparent;
  border: none; border-bottom: 1px solid rgba(255,255,255,.12);
  padding: 14px 0 10px; color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px; font-weight: 300;
  outline: none; resize: none;
  transition: border-color .3s;
}
.cf__field input:focus,
.cf__field textarea:focus {
  border-bottom-color: rgba(42,191,191,.3);
}
.cf__field input::placeholder,
.cf__field textarea::placeholder { color: transparent; }

/* Floating label */
.cf__field label {
  position: absolute; top: 14px; left: 0;
  font-size: 13px; font-weight: 300;
  color: rgba(255,255,255,.3); letter-spacing: .05em;
  pointer-events: none;
  transition: all .3s cubic-bezier(.22,1,.36,1);
}
.cf__field input:focus ~ label,
.cf__field textarea:focus ~ label,
.cf__field input:not(:placeholder-shown) ~ label,
.cf__field textarea:not(:placeholder-shown) ~ label {
  top: -8px; font-size: 9px; color: var(--teal);
  letter-spacing: .28em; text-transform: uppercase;
}

/* Animated underline bar */
.cf__bar {
  position: absolute; bottom: 0; left: 0;
  width: 0; height: 1px; background: var(--teal);
  transition: width .35s cubic-bezier(.22,1,.36,1);
}
.cf__field input:focus ~ .cf__bar,
.cf__field textarea:focus ~ .cf__bar { width: 100%; }

/* Error state */
.cf__error {
  position: absolute; bottom: -18px; left: 0;
  font-size: 10px; letter-spacing: .08em; color: var(--red-soft);
  opacity: 0; transition: opacity .3s;
}
.cf__field.error .cf__error { opacity: 1; }
.cf__field.error input,
.cf__field.error textarea { border-bottom-color: var(--red-soft); }
.cf__field.error .cf__bar { width: 100%; background: var(--red-soft); }
.cf__field.valid .cf__bar { background: var(--green-soft); }

/* Submit button */
.cf__submit {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  width: 100%; padding: 18px 32px;
  background: var(--teal); border: none; color: var(--bg);
  font-family: 'DM Sans', sans-serif;
  font-size: 11px; font-weight: 600; letter-spacing: .25em;
  text-transform: uppercase; cursor: pointer;
  transition: background .2s, gap .25s, box-shadow .2s;
  position: relative;
}
.cf__submit:hover {
  background: var(--teal-d); gap: 18px;
  box-shadow: 0 8px 28px rgba(42,191,191,.2);
}

/* Loading spinner */
.cf__loader {
  display: none; width: 14px; height: 14px;
  border: 2px solid rgba(9,9,15,.3);
  border-top-color: var(--bg); border-radius: 50%;
  animation: spin .7s linear infinite;
}
.cf__submit.loading .cf__submit-text,
.cf__submit.loading svg { display: none; }
.cf__submit.loading .cf__loader { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Success message */
.cf__success {
  display: none; align-items: center; gap: 14px;
  margin-top: 20px; padding: 16px 20px;
  background: rgba(78,168,122,.06);
  border: 1px solid rgba(78,168,122,.22);
  font-size: 13px; font-weight: 300; color: rgba(255,255,255,.72);
}
.cf__success.show { display: flex; animation: fadeInUp .4s ease; }
@keyframes fadeInUp { from{opacity:0;transform:translateY(12px)} to{opacity:1;transform:translateY(0)} }

/* ── FOOTER ── */
.contact__footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: 32px 80px;
  border-top: 1px solid var(--border);
  margin-top: 80px;
  position: relative; z-index: 1;
  font-size: 12px; font-weight: 300;
  color: rgba(255,255,255,.24);
}
.contact__footer-links { display: flex; gap: 24px; }
.contact__footer-link {
  color: rgba(255,255,255,.32); text-decoration: none;
  font-size: 11px; font-weight: 400; letter-spacing: .08em;
  transition: color .2s;
}
.contact__footer-link:hover { color: var(--teal); }

/* ════════════════════════════════════════════════════════
   RESPONSIVE — TABLET  (≤ 1100px)
   ════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .portfolio__grid { grid-template-columns: 1fr; }
  .port-card--wide { grid-column: span 1; display: flex; flex-direction: column; }
  .port-card--wide .port-card__img { height: 240px; }

  .honors__grid { grid-template-columns: 1fr 1fr; }
  .honor-card--featured { grid-column: span 2; }
}

/* ════════════════════════════════════════════════════════
   RESPONSIVE — MOBILE LANDSCAPE  (≤ 900px)
   ════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  /* Hero */
  .hero__content {
    grid-template-columns: 1fr;
    padding: 110px 40px 80px;
    gap: 52px;
  }
  .hero__right { justify-content: flex-start; }
  .hero__photo-frame { width: 300px; height: 380px; }

  /* About */
  .about { padding: 80px 40px; }
  .about__inner { grid-template-columns: 1fr; gap: 56px; }
  .about__big-num { font-size: 120px; }
  .about__cards { grid-template-columns: 1fr 1fr; }

  /* Experience */
  .experience { padding: 80px 40px; }

  /* Research */
  .portfolio { padding: 80px 40px; }
  .portfolio__grid { grid-template-columns: 1fr; }
  .port-card--wide { grid-column: span 1; display: flex; flex-direction: column; }

  /* Honors */
  .honors { padding: 80px 40px; }
  .honors__grid { grid-template-columns: 1fr; }
  .honor-card--featured { grid-column: span 1; }

  /* Contact */
  .contact { padding: 80px 40px 0; }
  .contact__inner { grid-template-columns: 1fr; gap: 52px; }
  .contact__footer { padding: 24px 40px; }
}

/* ════════════════════════════════════════════════════════
   RESPONSIVE — MOBILE PORTRAIT  (≤ 600px)
   ════════════════════════════════════════════════════════ */
@media (max-width: 600px) {
  /* Hero */
  .hero__name { font-size: clamp(50px, 15vw, 80px); }
  .hero__content { padding: 100px 22px 70px; }
  .hero__photo-frame { width: 260px; height: 320px; }
  .hero__stats-row { flex-wrap: wrap; gap: 20px; }
  .hero__stat { border-right: none; padding-right: 0; margin-right: 0; width: 45%; }
  .hero__cta-row { flex-wrap: wrap; gap: 16px; }

  /* Side nav hidden on small screens */
  .side-nav { display: none; }

  /* About */
  .about { padding: 60px 22px; }
  .about__cards { grid-template-columns: 1fr; }

  /* Experience */
  .experience { padding: 60px 22px; }
  .timeline__item { grid-template-columns: 32px 1fr; gap: 0 20px; }
  .timeline__body { padding: 22px 20px; }
  .timeline__header { flex-direction: column; gap: 10px; }
  .timeline__period { align-self: flex-start; }

  /* Research */
  .portfolio { padding: 60px 22px; }

  /* Honors */
  .honors { padding: 60px 22px; }
  .honors__grid { grid-template-columns: 1fr; }
  .honor-card { padding: 28px 22px; }

  /* Contact */
  .contact { padding: 60px 22px 0; }
  .contact__footer {
    padding: 20px 22px;
    flex-direction: column; gap: 16px; text-align: center;
  }
  .contact__footer-links { justify-content: center; flex-wrap: wrap; gap: 16px; }
  .contact__form { padding: 32px 22px; }
  .contact__social { flex-direction: column; align-items: flex-start; gap: 12px; }
  .contact__social-links { flex-wrap: wrap; }
}

/* ════════════════════════════════════════════════════════
   HOVER GLOW EFFECT — cards global
   ════════════════════════════════════════════════════════ */
.port-card,
.honor-card,
.timeline__body,
.about__card,
.contact__card {
  will-change: transform;
}

/* ════════════════════════════════════════════════════════
   SELECTION COLOR
   ════════════════════════════════════════════════════════ */
::selection {
  background: rgba(42,191,191,.25);
  color: var(--white);
}