/* ═══════════════════════════════════════════════════════════
   FAYZAN IRFAN — PORTFOLIO  |  style.css
   Theme   : Editorial luxury — near-black, champagne gold
   Fonts   : Playfair Display (headings) · Inter (body)
   Version : 3.0 — all screenshot fixes applied
═══════════════════════════════════════════════════════════ */

/* ── DESIGN TOKENS ───────────────────────────────────────── */
:root {
  /* Colours */
  --ink:           #09090B;
  --ink-alt:       #111114;
  --surface:       #141417;
  --surface-2:     #1C1C21;
  --border:        rgba(255,255,255,0.07);
  --border-med:    rgba(255,255,255,0.11);
  --gold:          #C8A96A;
  --gold-lt:       #DEC08A;
  --gold-faint:    rgba(200,169,106,0.08);
  --gold-border:   rgba(200,169,106,0.20);
  --white:         #FFFFFF;
  --off-white:     #F5F4EF;
  --text:          rgba(245,244,239,0.88);
  --text-2:        rgba(245,244,239,0.52);
  --text-3:        rgba(245,244,239,0.28);
  --green:         #4ADE80;
  --red:           #F87171;

  /* Layout */
  --pad:           80px;
  --section-v:     128px;
  --nav-h:         64px;
  --radius:        2px;

  /* Easing */
  --ease:     cubic-bezier(.22, 1, .36, 1);
  --ease-std: cubic-bezier(.76, 0, .24, 1);

  /* Type */
  --f-10: 10px;
  --f-11: 11px;
  --f-13: 13px;
  --f-15: 15px;
  --f-17: 17px;
  --f-22: 22px;
}

/* ── RESET ───────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--ink);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: var(--f-15);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a   { color: inherit; text-decoration: none; }
button { font-family: inherit; }
::selection { background: rgba(200,169,106,.22); color: var(--white); }

/* ── SHARED UTILITIES ────────────────────────────────────── */
.label {
  display: block;
  font-size: var(--f-10);
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.section-heading {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(28px, 3.2vw, 46px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--white);
}
.body-text {
  font-size: var(--f-15);
  font-weight: 300;
  line-height: 1.85;
  color: var(--text-2);
}
.text-link {
  color: var(--gold);
  border-bottom: 1px solid var(--gold-border);
  padding-bottom: 1px;
  transition: opacity .2s;
}
.text-link:hover { opacity: .65; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px;
  font-size: var(--f-13); font-weight: 500;
  letter-spacing: .04em;
  transition: all .22s var(--ease);
  cursor: pointer; border: none;
}
.btn--solid {
  background: var(--white); color: var(--ink);
}
.btn--solid:hover {
  background: var(--off-white);
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgba(0,0,0,.45);
}
.btn--ghost {
  background: transparent; color: var(--text-2);
  border: 1px solid var(--border-med);
}
.btn--ghost:hover {
  color: var(--white);
  border-color: var(--gold-border);
  background: var(--gold-faint);
  box-shadow: none; transform: none;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .85s var(--ease), transform .85s var(--ease);
}
.reveal--delay  { transition-delay: .16s; }
.reveal--delay2 { transition-delay: .28s; }
.reveal.visible { opacity: 1; transform: none; }

/* ═══════════════════════════════════════════════════════════
   NAVIGATION
═══════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: var(--nav-h);
  transition: background .4s ease, border-color .4s ease, backdrop-filter .4s ease;
}
.nav.scrolled {
  background: rgba(9,9,11,.88);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.nav__inner {
  max-width: 1300px; margin: 0 auto;
  padding: 0 var(--pad);
  height: 100%;
  display: flex; align-items: center;
  justify-content: space-between; gap: 32px;
}

/* Logo */
.nav__logo {
  display: flex; align-items: baseline; gap: 7px;
  flex-shrink: 0;
}
.nav__logo-name {
  font-family: 'Playfair Display', serif;
  font-size: 17px; font-weight: 500;
  color: var(--white); letter-spacing: -.01em;
}
.nav__logo-suffix {
  font-size: var(--f-11); font-weight: 500;
  letter-spacing: .1em; color: var(--gold);
}

/* Nav links */
.nav__links {
  display: flex; align-items: center; gap: 36px;
}
.nav__link {
  font-size: var(--f-13); font-weight: 400;
  color: var(--text-2); letter-spacing: .02em;
  position: relative;
  transition: color .2s;
}
.nav__link::after {
  content: '';
  position: absolute; bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width .3s var(--ease);
}
.nav__link:hover        { color: var(--white); }
.nav__link:hover::after { width: 100%; }

/* Right side */
.nav__right { display: flex; align-items: center; gap: 16px; }
.nav__linkedin {
  display: flex; align-items: center; gap: 7px;
  font-size: var(--f-11); font-weight: 500;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--text-2);
  padding: 8px 16px;
  border: 1px solid var(--border-med);
  transition: color .2s, border-color .2s, background .2s;
}
.nav__linkedin:hover {
  color: var(--white);
  border-color: var(--gold-border);
  background: var(--gold-faint);
}

/* Burger */
.nav__burger {
  display: none;
  flex-direction: column; justify-content: center; gap: 5px;
  width: 32px; height: 32px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav__burger span {
  display: block; width: 20px; height: 1px;
  background: var(--text-2);
  transition: transform .3s var(--ease), opacity .2s;
}

/* Mobile menu open state */
.nav__links.open {
  display: flex; flex-direction: column; gap: 0;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: rgba(9,9,11,.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 28px var(--pad) 36px;
  z-index: 899;
}
.nav__links.open .nav__link {
  font-size: var(--f-17); padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.nav__links.open .nav__link:last-child { border-bottom: none; }

/* ═══════════════════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  /* Fill exactly the viewport */
  height: 100svh;
  min-height: 600px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;   /* content sits in lower half */
  overflow: hidden;
  background: var(--ink);
}

/* ── B&W photo background ── */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hero__bg img {
  position: absolute;
  /* right-aligned so face is visible even on wide screens */
  top: 0; right: 0;
  height: 100%; width: 60%;
  object-fit: cover;
  object-position: center top;
  /* Black-and-white + dimmed */
  filter: grayscale(100%) contrast(.75) brightness(.38);
  opacity: 1;
}
/* fallback when no image */
.hero__bg--no-img {
  background: linear-gradient(135deg, #0d0d0f 60%, #181820);
}

/* Gradient wipes: left heavy, strong at bottom */
.hero__bg-gradient {
  position: absolute; inset: 0;
  background:
    /* left fade — keeps text always readable */
    linear-gradient(to right,
      rgba(9,9,11,1.00)  0%,
      rgba(9,9,11,0.88) 42%,
      rgba(9,9,11,0.35) 68%,
      rgba(9,9,11,0.10) 100%
    ),
    /* bottom fade — connects to about section */
    linear-gradient(to top,
      rgba(9,9,11,1.00) 0%,
      rgba(9,9,11,0.80) 18%,
      rgba(9,9,11,0.00) 48%
    ),
    /* top fade — softens image top */
    linear-gradient(to bottom,
      rgba(9,9,11,0.55) 0%,
      rgba(9,9,11,0.00) 28%
    );
}

/* ── Hero text content ── */
.hero__content {
  position: relative; z-index: 2;
  max-width: 1300px; margin: 0 auto; width: 100%;
  padding: 0 var(--pad) 72px;
}
.hero__eyebrow {
  font-size: var(--f-10); font-weight: 500;
  letter-spacing: .26em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 18px;
  opacity: 0; animation: fadeUp .7s var(--ease) .15s forwards;
}
.hero__name {
  font-family: 'Playfair Display', serif;
  font-size: clamp(48px, 7.5vw, 96px);
  font-weight: 500; line-height: 1.0;
  letter-spacing: -.03em; color: var(--white);
  margin-bottom: 10px;
  opacity: 0; animation: fadeUp .9s var(--ease) .28s forwards;
}
.hero__comma { color: var(--white); }
.hero__fccm  {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: clamp(26px, 3.8vw, 52px);
  color: var(--gold); font-weight: 400;
  letter-spacing: -.01em;
}
.hero__roles {
  font-size: var(--f-17); font-weight: 300;
  color: var(--text-2); letter-spacing: .06em;
  margin-bottom: 28px;
  opacity: 0; animation: fadeUp .7s var(--ease) .44s forwards;
}
.hero__statement {
  font-size: clamp(15px, 1.6vw, 20px);
  font-weight: 300; line-height: 1.65;
  color: var(--text); max-width: 520px;
  margin-bottom: 40px;
  opacity: 0; animation: fadeUp .7s var(--ease) .58s forwards;
}
.hero__br { display: inline; }

/* CTA buttons */
.hero__actions {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 52px;
  opacity: 0; animation: fadeUp .7s var(--ease) .72s forwards;
}

/* Affiliations strip */
.hero__strip {
  display: flex; align-items: center;
  flex-wrap: wrap; gap: 8px 14px;
  font-size: var(--f-11); font-weight: 400;
  letter-spacing: .06em; color: var(--text-3);
  opacity: 0; animation: fadeUp .7s var(--ease) .86s forwards;
}
.hero__strip-dot   { color: var(--text-3); }
.hero__strip-link  { color: var(--gold); transition: opacity .2s; }
.hero__strip-link:hover { opacity: .65; }

/* Scroll hint line */
.hero__scroll-hint {
  position: absolute;
  bottom: 0; left: var(--pad);
  z-index: 2;
  opacity: 0; animation: fadeIn .8s ease 1.2s forwards;
}
.hero__scroll-line {
  width: 1px; height: 56px;
  background: rgba(255,255,255,.12);
  position: relative; overflow: hidden;
}
.hero__scroll-line::after {
  content: '';
  position: absolute; top: -100%;
  width: 100%; height: 50%;
  background: linear-gradient(to bottom, transparent, var(--gold));
  animation: scrollDrop 2s ease-in-out infinite;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: none; }
}
@keyframes fadeIn { to { opacity: 1; } }
@keyframes scrollDrop { 0%{top:-100%} 100%{top:200%} }

/* ═══════════════════════════════════════════════════════════
   ABOUT
═══════════════════════════════════════════════════════════ */
.about {
  background: var(--ink-alt);
  border-top: 1px solid var(--border);
  padding: var(--section-v) var(--pad);
}
.about__inner { max-width: 1300px; margin: 0 auto; }
.about__header { margin-bottom: 44px; }

.about__grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: start;
  margin-bottom: 64px;
}
.about__headline {
  font-family: 'Playfair Display', serif;
  font-size: clamp(20px, 2.2vw, 30px);
  font-weight: 400; line-height: 1.48;
  letter-spacing: -.01em; color: var(--white);
}
.about__right .body-text { margin-bottom: 16px; }
.about__right .body-text:last-of-type { margin-bottom: 28px; }

.about__tags {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.about__tags span {
  font-size: var(--f-11); font-weight: 400;
  letter-spacing: .07em; color: var(--text-2);
  padding: 5px 14px;
  border: 1px solid var(--border-med);
  transition: border-color .2s, color .2s;
}
.about__tags span:hover { border-color: var(--gold-border); color: var(--gold); }

/* Education */
.edu {
  border-top: 1px solid var(--border);
  display: flex; flex-direction: column;
}
.edu__item {
  display: grid; grid-template-columns: 90px 1fr;
  gap: 24px; align-items: baseline;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
  transition: background .2s;
}
.edu__item:hover { background: rgba(255,255,255,.018); }
.edu__year {
  font-size: var(--f-10); font-weight: 500;
  letter-spacing: .12em; color: var(--gold);
  text-transform: uppercase; flex-shrink: 0;
}
.edu__title {
  display: block; font-size: var(--f-15);
  font-weight: 400; color: var(--white);
  margin-bottom: 2px;
}
.edu__place {
  display: block; font-size: var(--f-13);
  font-weight: 300; color: var(--text-2);
}

/* ═══════════════════════════════════════════════════════════
   EXPERIENCE
═══════════════════════════════════════════════════════════ */
.experience {
  background: var(--ink);
  border-top: 1px solid var(--border);
  padding: var(--section-v) var(--pad);
}
.exp__inner  { max-width: 1300px; margin: 0 auto; }
.exp__header { margin-bottom: 56px; }
.exp__header .section-heading { margin-top: 8px; }

.exp__list { display: flex; flex-direction: column; }
.exp__item {
  display: grid; grid-template-columns: 190px 1fr;
  gap: 40px; align-items: start;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  transition: background .2s;
}
.exp__item:first-child { border-top: 1px solid var(--border); }
.exp__item:hover { background: rgba(255,255,255,.018); }

.exp__period {
  display: block;
  font-size: var(--f-10); font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--text-3); padding-top: 4px;
}

.exp__title-row {
  display: flex; align-items: baseline;
  flex-wrap: wrap; gap: 6px 14px;
  margin-bottom: 10px;
}
.exp__role {
  font-family: 'Playfair Display', serif;
  font-size: var(--f-22); font-weight: 500;
  color: var(--white); letter-spacing: -.01em;
}
.exp__org {
  font-size: var(--f-13); font-weight: 300; color: var(--text-2);
}
.exp__org--link {
  color: var(--gold);
  display: inline-flex; align-items: center; gap: 4px;
  border-bottom: 1px solid var(--gold-border);
  transition: opacity .2s;
}
.exp__org--link:hover { opacity: .7; }
.exp__desc {
  font-size: var(--f-13); font-weight: 300;
  line-height: 1.78; color: var(--text-2);
  max-width: 640px;
}

/* ═══════════════════════════════════════════════════════════
   RESEARCH
═══════════════════════════════════════════════════════════ */
.research {
  background: var(--ink-alt);
  border-top: 1px solid var(--border);
  padding: var(--section-v) var(--pad);
}
.research__inner  { max-width: 1300px; margin: 0 auto; }
.research__header { margin-bottom: 52px; }
.research__header .section-heading { margin-top: 8px; }

/* Featured block */
.research__featured {
  position: relative;
  padding: 44px 52px;
  background: var(--surface);
  border: 1px solid var(--border-med);
  margin-bottom: 3px;
  transition: border-color .3s;
}
.research__featured::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 2px; height: 100%;
  background: linear-gradient(to bottom, var(--gold), transparent);
}
.research__featured:hover { border-color: var(--gold-border); }

.research__featured-tag {
  font-size: var(--f-10); font-weight: 500;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 18px;
}
.research__featured-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(17px, 1.9vw, 24px);
  font-weight: 500; line-height: 1.35;
  color: var(--white); margin-bottom: 16px;
  letter-spacing: -.01em;
}
.research__featured-desc { max-width: 700px; margin-bottom: 22px; }
.research__featured-pills {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.research__featured-pills span {
  font-size: var(--f-11); font-weight: 400;
  letter-spacing: .06em; color: var(--text-2);
  padding: 4px 12px; border: 1px solid var(--border);
}

/* Cards row */
.research__cards {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3px;
}
.research__card {
  padding: 36px 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  transition: border-color .3s, background .3s;
}
.research__card:hover {
  border-color: var(--gold-border);
  background: var(--surface-2);
}
.research__card-tag {
  font-size: var(--f-10); font-weight: 500;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 14px;
}
.research__card-title {
  font-family: 'Playfair Display', serif;
  font-size: var(--f-22); font-weight: 500;
  color: var(--white); line-height: 1.28;
  margin-bottom: 14px;
}
.research__card-desc  { margin-bottom: 20px; }
.research__card-issuer {
  font-size: var(--f-11); font-weight: 400;
  letter-spacing: .07em; color: var(--text-3);
}
.research__card-link {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: var(--f-11); font-weight: 500;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid var(--gold-border);
  padding-bottom: 1px;
  transition: opacity .2s;
}
.research__card-link:hover { opacity: .7; }

/* ═══════════════════════════════════════════════════════════
   GALLERY / CAROUSEL
═══════════════════════════════════════════════════════════ */
.gallery {
  background: var(--ink);
  border-top: 1px solid var(--border);
  padding: var(--section-v) 0;
  overflow: hidden;
}
.gallery__header {
  padding: 0 var(--pad);
  margin-bottom: 48px;
}
.gallery__header .section-heading { margin-top: 8px; }

/* Carousel outer */
.gallery__carousel-wrap {
  position: relative;
  padding: 0 var(--pad);
}

/* Scrollable track */
.gallery__track {
  display: flex; gap: 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
  cursor: grab;
  padding-bottom: 2px;
}
.gallery__track:active  { cursor: grabbing; }
.gallery__track::-webkit-scrollbar { display: none; }

/* Card */
.gcard {
  flex: 0 0 330px;
  scroll-snap-align: start;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex; flex-direction: column;
  transition: border-color .28s var(--ease), transform .28s var(--ease);
  will-change: transform;
}
.gcard:hover {
  border-color: var(--gold-border);
  transform: translateY(-4px);
}

.gcard__img {
  height: 210px; flex-shrink: 0;
  background-size: cover; background-position: center;
  position: relative;
}
.gcard__img::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 45%, rgba(20,20,23,.85));
}

.gcard__body {
  padding: 22px 24px 26px;
  display: flex; flex-direction: column; flex: 1;
}
.gcard__tag {
  font-size: var(--f-10); font-weight: 500;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 9px;
}
.gcard__title {
  font-family: 'Playfair Display', serif;
  font-size: 17px; font-weight: 500;
  color: var(--white); line-height: 1.3;
  margin-bottom: 9px;
}
.gcard__desc {
  font-size: var(--f-13); font-weight: 300;
  line-height: 1.68; color: var(--text-2);
  flex: 1; margin-bottom: 18px;
}
.gcard__link {
  font-size: var(--f-10); font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--gold); align-self: flex-start;
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.gcard__link:hover { border-color: var(--gold-border); }

/* Arrow buttons */
.gallery__arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 42px; height: 42px;
  background: var(--surface-2); border: 1px solid var(--border-med);
  color: var(--text-2);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; z-index: 4;
  transition: background .2s, color .2s, border-color .2s;
}
.gallery__arrow:hover {
  background: var(--gold-faint);
  border-color: var(--gold-border);
  color: var(--gold);
}
.gallery__arrow--prev { left:  calc(var(--pad) - 21px); }
.gallery__arrow--next { right: calc(var(--pad) - 21px); }

/* Dots */
.gallery__dots {
  display: flex; justify-content: center;
  gap: 8px; margin-top: 28px; padding: 0 var(--pad);
}
.gdot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--text-3); border: none; cursor: pointer; padding: 0;
  transition: background .2s, transform .2s;
}
.gdot.active { background: var(--gold); transform: scale(1.5); }

/* ═══════════════════════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════════════════════ */
.contact {
  background: var(--ink-alt);
  border-top: 1px solid var(--border);
  /* No bottom padding — footer sits directly below */
  padding: var(--section-v) var(--pad) var(--section-v);
}

.contact__inner {
  max-width: 1300px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: start;
}

/* Left */
.contact__heading { margin-top: 10px; margin-bottom: 16px; }
.contact__sub     { max-width: 380px; margin-bottom: 28px; }
.contact__email {
  display: inline-block;
  font-family: 'Playfair Display', serif;
  font-size: clamp(15px, 1.5vw, 19px);
  font-style: italic; font-weight: 400;
  color: var(--white);
  border-bottom: 1px solid var(--gold-border);
  padding-bottom: 2px; margin-bottom: 40px;
  transition: color .2s, border-color .2s;
}
.contact__email:hover { color: var(--gold); border-color: var(--gold); }

/* Social rows */
.socials { display: flex; flex-direction: column; gap: 2px; }

.social-row {
  display: flex; align-items: center; gap: 14px;
  padding: 15px 18px;
  border: 1px solid var(--border);
  background: transparent;
  transition: background .22s, border-color .22s, transform .22s;
  position: relative; overflow: hidden;
}
.social-row::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 2px; background: var(--gold);
  transform: scaleY(0); transform-origin: bottom;
  transition: transform .28s var(--ease);
}
.social-row:hover {
  background: var(--gold-faint);
  border-color: var(--gold-border);
  transform: translateX(3px);
}
.social-row:hover::before { transform: scaleY(1); }

/* Primary (LinkedIn) */
.social-row--primary {
  border-color: var(--border-med);
  background: rgba(255,255,255,.02);
}
.social-row--primary .social-row__name { color: var(--white); }

.social-row__icon {
  color: var(--text-2); flex-shrink: 0;
  width: 18px; display: flex; align-items: center; justify-content: center;
}
.social-row:hover .social-row__icon { color: var(--gold); }

.social-row__text {
  flex: 1; display: flex; flex-direction: column; gap: 1px;
}
.social-row__name {
  font-size: var(--f-13); font-weight: 500;
  color: var(--text); letter-spacing: .01em;
}
.social-row__handle {
  font-size: var(--f-11); font-weight: 300;
  color: var(--text-3); letter-spacing: .04em;
}
.social-row__arrow {
  font-size: 15px; color: var(--text-3); flex-shrink: 0;
  transition: color .2s, transform .2s;
}
.social-row:hover .social-row__arrow {
  color: var(--gold); transform: translate(2px,-2px);
}

/* ── Contact Form ── */
.contact__right { }
.cf {
  background: var(--surface);
  border: 1px solid var(--border-med);
  padding: 40px 38px;
  position: relative;
}
/* Corner brackets */
.cf::before, .cf::after {
  content: ''; position: absolute;
  width: 18px; height: 18px;
}
.cf::before { top:-1px; left:-1px; border-top:1px solid var(--gold); border-left:1px solid var(--gold); }
.cf::after  { bottom:-1px; right:-1px; border-bottom:1px solid var(--gold); border-right:1px solid var(--gold); }

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

.cf__field {
  display: flex; flex-direction: column;
  margin-bottom: 26px; position: relative;
}
.cf__field--ta { margin-bottom: 30px; }
.cf__field:last-of-type { }

.cf__field label {
  font-size: var(--f-10); font-weight: 500;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--text-3); margin-bottom: 9px;
  transition: color .2s;
}
.cf__field:focus-within label { color: var(--gold); }

.cf__field input,
.cf__field textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-med);
  padding: 9px 0;
  color: var(--white);
  font-family: 'Inter', sans-serif;
  font-size: var(--f-15); font-weight: 300;
  outline: none; resize: none;
  transition: border-color .25s;
}
.cf__field input:focus,
.cf__field textarea:focus { border-bottom-color: var(--gold); }
.cf__field input::placeholder,
.cf__field textarea::placeholder { color: var(--text-3); }

.cf__err {
  position: absolute; bottom: -17px; left: 0;
  font-size: 10px; letter-spacing: .05em;
  color: var(--red); opacity: 0; transition: opacity .25s;
}
.cf__field.error .cf__err         { opacity: 1; }
.cf__field.error input,
.cf__field.error textarea         { border-bottom-color: var(--red); }
.cf__field.valid input,
.cf__field.valid textarea         { border-bottom-color: rgba(74,222,128,.45); }

.cf__submit {
  display: flex; align-items: center; justify-content: center;
  gap: 10px; width: 100%;
  padding: 15px 24px; margin-top: 4px;
  background: var(--white); color: var(--ink);
  font-family: 'Inter', sans-serif;
  font-size: var(--f-11); font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  border: none; cursor: pointer;
  transition: background .2s, transform .2s, box-shadow .2s;
}
.cf__submit:hover {
  background: var(--off-white);
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgba(0,0,0,.4);
}
.cf__loader {
  display: none; width: 13px; height: 13px;
  border: 2px solid rgba(10,10,11,.25);
  border-top-color: var(--ink); border-radius: 50%;
  animation: spin .65s linear infinite;
}
.cf__submit.loading .cf__submit-text { display: none; }
.cf__submit.loading .cf__loader      { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

.cf__success {
  display: none;
  margin-top: 18px; padding: 14px 18px;
  background: rgba(74,222,128,.07);
  border: 1px solid rgba(74,222,128,.2);
  font-size: var(--f-13); font-weight: 300; color: var(--text);
}
.cf__success.show {
  display: block;
  animation: fadeUp .4s var(--ease);
}

/* ═══════════════════════════════════════════════════════════
   FOOTER  — sits immediately below contact, no gap
═══════════════════════════════════════════════════════════ */
.footer {
  background: var(--ink);
  border-top: 1px solid var(--border);
  padding: 40px var(--pad) 32px;
}
.footer__inner {
  max-width: 1300px; margin: 0 auto;
  display: flex; align-items: flex-start;
  justify-content: space-between; flex-wrap: wrap;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}
.footer__brand { display: flex; flex-direction: column; gap: 5px; }
.footer__name {
  font-family: 'Playfair Display', serif;
  font-size: var(--f-17); font-weight: 500; color: var(--white);
}
.footer__sub {
  font-size: var(--f-11); font-weight: 300;
  letter-spacing: .06em; color: var(--text-3);
}
.footer__links {
  display: flex; flex-wrap: wrap; gap: 10px 28px; align-items: center;
}
.footer__links a {
  font-size: var(--f-11); font-weight: 400;
  letter-spacing: .07em; color: var(--text-2);
  transition: color .2s;
}
.footer__links a:hover { color: var(--gold); }

/* Logo row */
.footer__logos {
  max-width: 1300px; margin: 0 auto;
  display: flex; align-items: center; gap: 20px;
  margin-bottom: 24px;
}
.footer__logo {
  height: 34px; width: auto;
  opacity: 0.4; filter: brightness(0) invert(1);
  transition: opacity .2s;
}
.footer__logo:hover { opacity: .75; }

.footer__copy {
  max-width: 1300px; margin: 0 auto;
  font-size: 11px; font-weight: 300;
  letter-spacing: .05em; color: var(--text-3);
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — TABLET  (≤ 1024px)
═══════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  :root { --pad: 44px; --section-v: 96px; }

  .hero__bg img { width: 70%; }
  .about__grid  { grid-template-columns: 1fr; gap: 40px; }
  .exp__item    { grid-template-columns: 150px 1fr; gap: 28px; }
  .research__cards { grid-template-columns: 1fr; }
  .contact__inner  { grid-template-columns: 1fr; gap: 52px; }
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — MOBILE  (≤ 768px)
═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  :root { --pad: 22px; --section-v: 72px; }

  /* Nav */
  .nav__links   { display: none; }
  .nav__linkedin { display: none; }
  .nav__burger  { display: flex; }

  /* Hero */
  .hero { height: 100svh; min-height: 580px; }
  .hero__bg img {
    width: 100%;
    object-position: 65% top;
    opacity: 0.85;
    filter: grayscale(100%) contrast(.65) brightness(.28);
  }
  .hero__bg-gradient {
    background:
      linear-gradient(to right,
        rgba(9,9,11,.98) 0%,
        rgba(9,9,11,.90) 55%,
        rgba(9,9,11,.65) 100%
      ),
      linear-gradient(to top,
        rgba(9,9,11,1.00) 0%,
        rgba(9,9,11,.85) 22%,
        rgba(9,9,11,.00) 52%
      ),
      linear-gradient(to bottom,
        rgba(9,9,11,.7) 0%,
        rgba(9,9,11,.0) 30%
      );
  }
  .hero__statement { max-width: 100%; }
  .hero__actions   { flex-wrap: wrap; }
  .hero__strip     { flex-direction: column; align-items: flex-start; gap: 5px; }
  .hero__strip-dot { display: none; }
  .hero__scroll-hint { display: none; }

  /* About */
  .edu__item { grid-template-columns: 70px 1fr; gap: 14px; }

  /* Exp */
  .exp__item {
    grid-template-columns: 1fr; gap: 6px;
    padding: 26px 0;
  }
  .exp__title-row { flex-direction: column; gap: 3px; }

  /* Research */
  .research__featured { padding: 28px 24px; }

  /* Gallery */
  .gcard { flex: 0 0 86vw; }
  .gallery__arrow { display: none; }

  /* Contact */
  .cf { padding: 30px 22px; }
  .cf__row { grid-template-columns: 1fr; gap: 0; }

  /* Footer */
  .footer__inner { flex-direction: column; gap: 24px; }
  .footer__links { gap: 12px 20px; }
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — SMALL MOBILE  (≤ 480px)
═══════════════════════════════════════════════════════════ */
@media (max-width: 480px) {
  .hero__name { font-size: clamp(38px, 12vw, 58px); }
  .hero__fccm { font-size: clamp(20px, 6vw, 32px); }
  .gcard { flex: 0 0 88vw; }
  .footer__logos { flex-wrap: wrap; }
}