/* ============================================================
   Adam Tadros — portfolio styles
   Clean & minimal. Light theme, one accent per project.
   ============================================================ */

:root {
  --bg: #ffffff;
  --bg-alt: #f7f8fa;
  --ink: #14161c;
  --ink-soft: #51566a;
  --ink-faint: #8b90a3;
  --line: #e7e9f0;
  --accent: #4f6df5;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(20,22,28,.04), 0 8px 24px rgba(20,22,28,.06);
  --shadow-lg: 0 12px 40px rgba(20,22,28,.14);
  --wrap: 1080px;
  --font: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --serif: "Fraunces", Georgia, serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }

/* ---------- Nav (fixed top bar) ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background .25s ease, backdrop-filter .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.nav.is-scrolled {
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom-color: var(--line);
  box-shadow: 0 4px 20px rgba(20,22,28,.04);
}

/* At the top: nav sits over the photo in white; turns into the white bar on scroll */
.nav:not(.is-scrolled) .nav__brand,
.nav:not(.is-scrolled) .nav__links a { color: #fff; }
.nav:not(.is-scrolled) .nav__links a:not(.nav__cta):hover { color: rgba(255,255,255,.78); }
.nav:not(.is-scrolled) .nav__cta { border-color: rgba(255,255,255,.55); color: #fff !important; }
.nav:not(.is-scrolled) .nav__cta:not(.nav__cta--resume) { border-color: transparent; }
.nav:not(.is-scrolled) .nav__cta--resume { background: #fff; color: var(--ink) !important; border-color: #fff; }

.nav__logo {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%;
  border: 1.5px solid currentColor; font-size: .82rem; font-weight: 700;
  letter-spacing: 0; flex-shrink: 0;
}
.nav__inner { height: 64px; display: flex; align-items: center; justify-content: space-between; padding-right: 10px; }
.nav__brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -.01em; font-size: 1.02rem; }
.nav__links { display: flex; align-items: center; gap: 22px; }
.nav__links a { color: var(--ink-soft); font-size: .92rem; font-weight: 500; transition: color .2s; white-space: nowrap; }
.nav__links a:hover { color: var(--ink); }
.nav__cta {
  border: 1px solid var(--line); padding: 7px 14px; border-radius: 999px;
  color: var(--ink) !important;
}
.nav__cta:hover { border-color: var(--ink); }
.nav__cta--resume { background: var(--ink); color: #fff !important; border-color: var(--ink); }
.nav__cta--resume:hover { background: #000; border-color: #000; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: .95rem; padding: 12px 22px; border-radius: 999px;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s;
  cursor: pointer; border: 1px solid transparent;
}
.btn--primary { background: var(--ink); color: #fff; }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(20,22,28,.22); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--ink); transform: translateY(-2px); }
.btn--accent { background: var(--accent); color: #fff; box-shadow: 0 8px 22px rgba(79,109,245,.34); }
.btn--accent:hover { background: #3f5ae0; transform: translateY(-2px); box-shadow: 0 12px 28px rgba(79,109,245,.42); }
.btn--onphoto {
  background: rgba(255,255,255,.18); color: #fff; border-color: rgba(255,255,255,.55);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.btn--onphoto:hover { background: rgba(255,255,255,.30); transform: translateY(-2px); }

/* ---------- Hero (cover banner, content centered over it) ---------- */
.hero {
  position: relative; background: var(--bg);
  min-height: clamp(640px, 74vw, 900px);
  display: flex; flex-direction: column;
  padding-bottom: 96px;
}
.hero__banner { position: absolute; inset: 0; z-index: 0; }
.hero__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero__bg svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__banner-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center top; z-index: 1; }
.hero__banner-fade {
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(180deg, rgba(0,0,0,.34) 0%, rgba(0,0,0,0) 20%, rgba(0,0,0,0) 66%, rgba(0,0,0,.30) 100%);
}
.hero__credit {
  position: absolute; right: 20px; bottom: 104px; z-index: 4;
  font-size: .72rem; font-weight: 500; letter-spacing: .02em; color: rgba(255,255,255,.92);
  background: rgba(20,22,28,.42); padding: 4px 11px; border-radius: 999px;
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}
.hero__inner {
  position: relative; z-index: 3; flex: 1; width: 100%;
  display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 44px 28px 150px;
}
.hero__text { max-width: 860px; }
.hero__cta {
  position: relative; z-index: 4;
  display: flex; gap: 14px; flex-wrap: wrap;
}
.hero__annotation {
  position: absolute; z-index: 4; pointer-events: none; overflow: visible;
  left: 38%; top: 60%; width: 220px; height: 165px;
  filter: drop-shadow(0 1px 5px rgba(0,0,0,.55));
}
.hero__annotation-text {
  font-family: "Caveat", cursive; font-weight: 700; font-size: 34px; fill: #fff;
}
.hero__photo { position: relative; flex-shrink: 0; }
.hero__photo img {
  width: clamp(150px, 17vw, 210px); aspect-ratio: 1; border-radius: 50%;
  object-fit: cover; border: 6px solid #fff;
  box-shadow: 0 18px 50px rgba(20,22,28,.28); background: var(--bg-alt);
}
.hero__photo::before {
  content: ""; position: absolute; inset: -12px; border-radius: 50%;
  background: conic-gradient(from 200deg, rgba(79,109,245,.18), rgba(217,107,74,.18), rgba(17,160,138,.18), rgba(79,109,245,.18));
  filter: blur(2px); z-index: -1;
}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 7px;
  text-transform: uppercase; letter-spacing: .14em; font-size: .76rem;
  font-weight: 600; color: var(--ink-soft); margin: 0 0 18px;
  background: rgba(255,255,255,.85); border: 1px solid var(--line);
  padding: 6px 13px; border-radius: 999px; backdrop-filter: blur(4px);
}
.hero__pin { color: #d96b4a; font-size: .9rem; }
.hero__title {
  font-family: var(--serif); font-weight: 700; letter-spacing: -.025em;
  font-size: clamp(3.1rem, 8vw, 5.8rem); line-height: .98; color: #fff;
  text-shadow: 0 2px 28px rgba(0,0,0,.42), 0 1px 6px rgba(0,0,0,.38);
}
.hero__lead {
  margin: 18px auto 0; font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  color: rgba(255,255,255,.94); max-width: 560px; font-weight: 500;
  text-shadow: 0 1px 14px rgba(0,0,0,.45);
}

/* ---------- Sections ---------- */
.section { padding: 96px 0; border-top: 1px solid var(--line); scroll-margin-top: 72px; }
.section--alt { background: var(--bg-alt); }
/* About overlaps the banner — pulled up with a rounded white edge */
#about {
  position: relative; z-index: 5;
  margin-top: clamp(-80px, -6vw, -44px);
  padding-top: 58px;
  background: var(--bg);
  border-top: none;
  border-radius: 30px 30px 0 0;
  box-shadow: 0 -20px 50px rgba(20,22,28,.07);
}

/* ---------- Timeline (horizontal) ---------- */
.timeline { position: relative; display: flex; align-items: flex-start; margin-top: 28px; }
.timeline::before {
  content: ""; position: absolute; top: 6px; left: 7px; right: 7px; height: 2px;
  background: linear-gradient(90deg, var(--line), color-mix(in srgb, var(--accent) 55%, var(--line)), var(--line));
}
.tl__item { position: relative; flex: 1; padding-right: 18px; display: flex; flex-direction: column; }
.tl__dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent); border: 3px solid #fff; box-shadow: 0 0 0 1px var(--line);
  margin-bottom: 16px; position: relative; z-index: 1;
}
.tl__date { font-weight: 700; font-size: .8rem; letter-spacing: .03em; color: var(--ink); margin-bottom: 5px; }
.tl__title { font-weight: 600; font-size: .98rem; line-height: 1.3; }
.tl__org { color: var(--ink-soft); font-size: .86rem; margin-top: 3px; }
.section__title {
  font-family: var(--serif); font-weight: 600; font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  letter-spacing: -.02em; display: flex; align-items: baseline; gap: 16px; margin-bottom: 14px;
}
.section__num { font-family: var(--font); font-size: .82rem; font-weight: 700; color: var(--accent); letter-spacing: .04em; }
.section__sub { color: var(--ink-soft); max-width: 620px; margin-bottom: 44px; font-size: 1.04rem; }

/* ---------- About ---------- */
.about__location {
  display: inline-flex; align-items: center; gap: 7px;
  text-transform: uppercase; letter-spacing: .14em; font-size: .76rem;
  font-weight: 600; color: var(--ink-soft); margin-bottom: 16px;
}
.about { display: grid; grid-template-columns: 1.6fr 1fr; gap: 56px; margin-top: 30px; align-items: start; }
.about__text p { color: var(--ink-soft); font-size: 1.08rem; margin-bottom: 20px; }
.about__text p:first-child { color: var(--ink); font-size: 1.16rem; }
.about__sideTitle { font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; color: var(--ink-faint); margin-bottom: 18px; }
.skills { list-style: none; display: flex; flex-wrap: wrap; gap: 9px; }
.skills li {
  font-size: .86rem; font-weight: 500; color: var(--ink-soft);
  background: var(--bg); border: 1px solid var(--line); padding: 7px 13px; border-radius: 999px;
}
.section--alt .skills li { background: #fff; }

/* ---------- Projects grid ---------- */
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.card {
  text-align: left; font-family: inherit; cursor: pointer;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }
.card:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.card__thumb { position: relative; aspect-ratio: 400 / 200; overflow: hidden; border-bottom: 1px solid var(--line); }
.card__badge {
  position: absolute; top: 12px; right: 12px;
  font-size: .68rem; font-weight: 700; letter-spacing: .02em; color: #fff;
  background: rgba(20,22,28,.82); padding: 5px 10px; border-radius: 999px;
  backdrop-filter: blur(4px); display: inline-flex; align-items: center; gap: 5px;
}
.card:hover .card__badge { background: var(--accent); }
.card__thumb svg { width: 100%; height: 100%; display: block; }
.card__thumb img, .modal__visual img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; }
.card__body { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card__title { font-size: 1.22rem; font-weight: 700; letter-spacing: -.01em; }
.card__tagline { color: var(--ink-soft); font-size: .96rem; flex: 1; }
.card__tools { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 4px; }
.card__tools span {
  font-size: .74rem; font-weight: 600; color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, #fff);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, #fff);
  padding: 4px 9px; border-radius: 7px;
}
.card__more { color: var(--ink-faint) !important; background: var(--bg-alt) !important; border-color: var(--line) !important; }
.card__cue { margin-top: 6px; font-size: .86rem; font-weight: 600; color: var(--ink); }
.card:hover .card__cue { color: var(--accent); }

/* ---------- Contact ---------- */
.contact__lead { color: var(--ink-soft); font-size: 1.1rem; max-width: 560px; margin: 6px 0 36px; }
.contact__links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.contact__card {
  display: flex; flex-direction: column; gap: 4px;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 20px 22px; background: #fff; transition: transform .18s, border-color .18s, box-shadow .18s;
}
.contact__card:hover { transform: translateY(-3px); border-color: var(--ink); box-shadow: var(--shadow); }
.contact__label { font-size: .74rem; text-transform: uppercase; letter-spacing: .12em; color: var(--ink-faint); }
.contact__value { font-weight: 600; font-size: 1.02rem; word-break: break-word; }
.contact__resume { margin-top: 28px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 30px 0; }
.footer__inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; color: var(--ink-faint); font-size: .86rem; }

/* ---------- Modal ---------- */
.modal { position: fixed; inset: 0; z-index: 100; display: none; }
.modal.is-open { display: block; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(16,18,24,.5); backdrop-filter: blur(3px); animation: fade .2s ease; }
.modal__panel {
  position: relative; z-index: 1; max-width: 760px; width: calc(100% - 36px);
  margin: 5vh auto; max-height: 90vh; overflow-y: auto;
  background: #fff; border-radius: 20px; box-shadow: var(--shadow-lg);
  animation: pop .24s cubic-bezier(.2,.7,.3,1);
}
.modal__close {
  position: absolute; top: 14px; right: 16px; z-index: 2;
  width: 38px; height: 38px; border-radius: 50%; border: none; cursor: pointer;
  background: rgba(255,255,255,.9); color: var(--ink); font-size: 1.5rem; line-height: 1;
  box-shadow: var(--shadow); transition: transform .15s, background .15s;
}
.modal__close:hover { transform: rotate(90deg); background: #fff; }
.modal__visual { aspect-ratio: 400 / 200; overflow: hidden; border-radius: 20px 20px 0 0; }
.modal__visual svg { width: 100%; height: 100%; display: block; }
.modal__body { padding: 32px 38px 38px; }
.modal__title { font-family: var(--serif); font-weight: 600; font-size: 1.85rem; letter-spacing: -.02em; }
.modal__tagline { color: var(--ink-soft); font-size: 1.06rem; margin: 8px 0 22px; }
.modal__desc p { color: var(--ink-soft); margin-bottom: 16px; font-size: 1.02rem; }
.modal__section { margin-top: 26px; }
.modal__section h4 { font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; color: var(--ink-faint); margin-bottom: 14px; }
.modal__section ul { list-style: none; display: grid; gap: 10px; }
.modal__section li { position: relative; padding-left: 24px; color: var(--ink-soft); }
.modal__section li::before { content: ""; position: absolute; left: 4px; top: 10px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.tags { display: flex; flex-wrap: wrap; gap: 9px; }
.tag {
  font-size: .82rem; font-weight: 600; color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, #fff);
  border: 1px solid color-mix(in srgb, var(--accent) 24%, #fff);
  padding: 6px 12px; border-radius: 8px;
}
.modal__links { margin-top: 32px; display: flex; gap: 14px; flex-wrap: wrap; }

@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes pop { from { opacity: 0; transform: translateY(18px) scale(.98); } to { opacity: 1; transform: none; } }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
.card.reveal { transition-delay: .04s; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .about { grid-template-columns: 1fr; gap: 36px; }
  .grid { grid-template-columns: 1fr; }
  .contact__links { grid-template-columns: 1fr; }
  .hero { min-height: clamp(380px, 70vw, 480px); }
  .hero__inner { flex-direction: column; align-items: center; text-align: center; gap: 20px; }
  .hero__text { max-width: 100%; padding: 0 8px; }
  .hero__annotation { display: none; }
  .hero__eyebrow { margin: 0 auto 16px; }
  .hero__lead { margin: 16px auto 0; }
  .timeline { overflow-x: auto; padding-bottom: 12px; -webkit-overflow-scrolling: touch; }
  .tl__item { flex: 0 0 auto; width: 60vw; max-width: 230px; }
}
@media (max-width: 560px) {
  .nav__links a:not(.nav__cta) { display: none; }
  .section { padding: 70px 0; }
  .modal__body { padding: 26px 24px 30px; }
  .wrap, .nav__inner { padding: 0 20px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}