/* ============================================================
   SOHRAB AHMADPUR — Personal Brand
   Inspired by Bjork theme (andersnoren.se)
   Font: Albert Sans · Light theme · Accent #5857FF
   ============================================================ */

/* ── Reset ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; scroll-padding-top: 100px; }
img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: 0; background: 0; font: inherit; }

/* ── Design tokens ────────────────────────────────────────── */
:root {
  --bg:           #FFFFFF;
  --bg-alt:       #F8F7F7;
  --bg-surface:   #F3F2F2;
  --bg-dark:      #111111;
  --bg-dark2:     #1A1A1A;

  --border:       #E2E2E2;
  --border-dark:  rgba(255,255,255,0.12);

  --text:         #111111;
  --text-m:       #6B6A6A;
  --text-f:       #9E9D9D;

  --text-inv:     #EEEEEE;
  --text-inv-m:   #9E9D9D;

  --accent:       #5857FF;
  --accent-h:     #4B4ADB;
  --accent-soft:  rgba(88, 87, 255, 0.08);
  --accent-inv:   #8887FF;

  --ff:           'Albert Sans', system-ui, -apple-system, sans-serif;
  --sidebar-w:    260px;

  --ease:         cubic-bezier(0.22, 1, 0.36, 1);
  --ease-io:      cubic-bezier(0.65, 0, 0.35, 1);
}

/* ── Base ─────────────────────────────────────────────────── */
body {
  font-family: var(--ff);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

strong { font-weight: 600; }
em { font-style: italic; }

/* ── Mobile header ────────────────────────────────────────── */
.mob-header {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: 60px;
  padding: 0 1.25rem;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.mob-logo {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
  color: var(--text);
}
.burger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.burger span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.28s var(--ease);
  transform-origin: center;
}
.burger.open span:first-child { transform: translateY(6.5px) rotate(45deg); }
.burger.open span:last-child  { transform: translateY(-6.5px) rotate(-45deg); }

/* ── Mobile nav ───────────────────────────────────────────── */
.mob-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 800;
  background: var(--bg);
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 4rem 2rem 3rem;
  gap: 3rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.32s var(--ease), visibility 0.32s;
}
.mob-nav.open { opacity: 1; visibility: visible; }
.mob-nav__close {
  position: absolute;
  top: 1.1rem; right: 1.25rem;
  padding: 6px;
  color: var(--text-m);
  transition: color 0.2s;
}
.mob-nav__close:hover { color: var(--text); }
.mob-nav__list { display: flex; flex-direction: column; gap: 0.1rem; }
.mob-nav__list li {
  opacity: 0;
  transform: translateX(-16px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
  transition-delay: calc(var(--i) * 55ms + 60ms);
}
.mob-nav.open .mob-nav__list li { opacity: 1; transform: translateX(0); }
.mob-nav__link {
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  display: block;
  padding: 0.2rem 0;
  position: relative;
  transition: color 0.2s;
}
.mob-nav__link::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 0;
  height: 3px;
  width: 0;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.3s var(--ease);
}
.mob-nav__link:hover { color: var(--accent); }
.mob-nav__link:hover::after { width: 100%; }
.mob-nav__foot {
  font-size: 0.82rem;
  color: var(--text-m);
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  width: 100%;
}
.mob-nav__foot a:hover { color: var(--accent); }

/* ── Page layout ──────────────────────────────────────────── */
.page {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

/* ── Sidebar ──────────────────────────────────────────────── */
.sidebar {
  position: relative;
  border-right: 1px solid var(--border);
}
.sidebar__inner {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 2.5rem 1.75rem;
  gap: 0;
  overflow: hidden;
}

.sidebar__brand { margin-bottom: auto; }

.sidebar__name {
  display: block;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 0.4rem;
  transition: color 0.2s;
}
.sidebar__name:hover { color: var(--accent); }
.sidebar__role {
  font-size: 0.78rem;
  color: var(--text-m);
  line-height: 1.5;
  letter-spacing: 0;
}

/* Sidebar nav */
.sidebar__nav {
  margin: 2.5rem 0;
}
.sidebar__nav ul {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.nav-link {
  display: block;
  padding: 0.5rem 0;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-m);
  letter-spacing: -0.005em;
  position: relative;
  transition: color 0.2s;
}
.nav-link::before {
  content: '';
  position: absolute;
  left: -1.75rem;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.25s var(--ease);
}
.nav-link:hover,
.nav-link.active { color: var(--text); }
.nav-link.active::before { transform: scaleY(1); }

/* Sidebar foot */
.sidebar__foot {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.sidebar__socials { display: flex; flex-direction: column; gap: 0.5rem; }
.soc-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--text-m);
  transition: color 0.2s;
}
.soc-link:hover { color: var(--accent); }
.sidebar__location {
  font-size: 0.73rem;
  color: var(--text-f);
  letter-spacing: 0;
}

/* ── Main ─────────────────────────────────────────────────── */
.main { min-width: 0; }

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  position: relative;
}

.hero__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(3rem, 8vw, 7rem) clamp(2rem, 5vw, 5rem);
  background: var(--bg);
}

.hero__eyebrow {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero__headline {
  font-size: clamp(2.2rem, 4.5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: var(--text);
  margin-bottom: 1.5rem;
}
.hero__headline em {
  color: var(--accent);
  font-style: italic;
  font-weight: 700;
}

.hero__sub {
  font-size: clamp(0.9rem, 1.3vw, 1.05rem);
  color: var(--text-m);
  line-height: 1.7;
  max-width: 420px;
  margin-bottom: 2.5rem;
}

.hero__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--ff);
  letter-spacing: -0.01em;
  border-radius: 6px;
  transition: background 0.22s, color 0.22s, border-color 0.22s, transform 0.2s var(--ease);
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  background: var(--accent);
  color: #fff;
}
.btn--primary:hover { background: var(--accent-h); }
.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn--ghost:hover {
  border-color: var(--text);
  background: var(--bg-surface);
}

.hero__photo-wrap {
  position: relative;
  overflow: hidden;
  background: #111;
}
.hero__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 65% center;
  display: block;
  transition: transform 8s ease;
}
.hero__photo-wrap:hover .hero__photo {
  transform: scale(1.02);
}

/* ── Sections ─────────────────────────────────────────────── */
.sec {
  padding: clamp(5rem, 10vh, 9rem) 0;
}
.sec--alt { background: var(--bg-alt); }
.sec--dark {
  background: var(--bg-dark);
  color: var(--text-inv);
}

.sec__inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 clamp(2rem, 5vw, 5rem);
}

.sec__label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.85rem;
}
.sec__label--light { color: var(--accent-inv); }

.sec__heading {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  color: var(--text);
}
.sec__heading--light { color: var(--text-inv); }
.sec__heading em {
  font-style: italic;
  color: var(--accent);
  font-weight: 700;
}
.sec__heading--light em { color: var(--accent-inv); }

.sec__head { margin-bottom: 3.5rem; }

/* ── About split ──────────────────────────────────────────── */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}
.about-split__left { position: sticky; top: 2rem; }

.about-lead {
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 1.1rem;
  letter-spacing: -0.01em;
}
.about-body {
  font-size: 0.93rem;
  color: var(--text-m);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.about-avail {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  margin-top: 1rem;
  padding: 0.5rem 0.85rem;
  background: var(--accent-soft);
  border-radius: 100px;
  border: 1px solid rgba(88,87,255,0.15);
}
.avail-dot {
  width: 7px; height: 7px;
  background: #22c55e;
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulse-green 2.4s infinite;
}
@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0.4); }
  50%       { box-shadow: 0 0 0 5px transparent; }
}

/* ── Services ─────────────────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.service-card {
  background: var(--bg);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background 0.25s;
}
.service-card:hover { background: var(--bg-surface); }

.service-card__icon {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border-radius: 8px;
  color: var(--accent);
}

.service-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.service-card__body {
  font-size: 0.875rem;
  color: var(--text-m);
  line-height: 1.7;
  flex: 1;
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: auto;
}
.service-card__tags li {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(88,87,255,0.15);
  padding: 0.2rem 0.55rem;
  border-radius: 3px;
}

/* ── Story ────────────────────────────────────────────────── */
.story-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}
.story-left { position: sticky; top: 2rem; }

.story-meta {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.story-meta__item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.story-meta__item strong {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-f);
  font-weight: 600;
}
.story-meta__item span {
  font-size: 0.85rem;
  color: var(--text-m);
  line-height: 1.5;
}

.story-right p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-m);
  margin-bottom: 1.1rem;
}
.story-right p em { color: var(--text); }

.story-certs {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.story-certs__title {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-f);
  margin-bottom: 1rem;
}
.story-certs__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.story-certs__grid span {
  font-size: 0.8rem;
  padding: 0.3rem 0.7rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-m);
  font-weight: 500;
}

/* ── Impact ───────────────────────────────────────────────── */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 4rem;
}

.impact-card {
  background: var(--bg-dark);
  padding: 2rem 1.5rem;
  transition: background 0.25s;
}
.impact-card:hover { background: var(--bg-dark2); }

.impact-card__num {
  display: block;
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--accent-inv);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.impact-card__title {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-inv);
  margin-bottom: 0.75rem;
}
.impact-card__desc {
  font-size: 0.8rem;
  color: var(--text-inv-m);
  line-height: 1.65;
}

/* Timeline */
.timeline { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 3rem; }
.timeline__title {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-inv-m);
  margin-bottom: 2rem;
}
.timeline__items { display: flex; flex-direction: column; gap: 0; }
.timeline__item {
  display: flex;
  gap: 1.5rem;
  position: relative;
  padding-bottom: 1.75rem;
}
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item:not(:last-child) .timeline__dot::after {
  content: '';
  position: absolute;
  left: 7px;
  top: 16px;
  bottom: 0;
  width: 1px;
  background: rgba(255,255,255,0.1);
}
.timeline__dot {
  width: 15px; height: 15px;
  border: 2px solid var(--accent-inv);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 0.2rem;
  position: relative;
  background: var(--bg-dark);
}
.timeline__body {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}
.timeline__period {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-inv-m);
  text-transform: uppercase;
}
.timeline__org {
  font-size: 0.93rem;
  font-weight: 700;
  color: var(--text-inv);
  letter-spacing: -0.01em;
}
.timeline__role {
  font-size: 0.82rem;
  color: var(--text-inv-m);
}

/* ── Contact ──────────────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}

.contact-heading {
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 1.25rem;
}
.contact-heading em {
  color: var(--accent);
  font-style: italic;
  font-weight: 700;
}
.contact-sub {
  font-size: 0.92rem;
  color: var(--text-m);
  line-height: 1.75;
}

.contact-methods { display: flex; flex-direction: column; gap: 0; }
.contact-method {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
  transition: padding-left 0.25s var(--ease);
}
.contact-method:first-child { border-top: 1px solid var(--border); }
.contact-method:hover { padding-left: 6px; }
.contact-method:hover .contact-method__val { color: var(--accent); }
.contact-method__label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-f);
}
.contact-method__val {
  font-size: 0.93rem;
  font-weight: 500;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  transition: color 0.2s;
}

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  padding: 2rem clamp(2rem, 5vw, 5rem);
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-f);
  letter-spacing: 0;
}

/* ── Reveal animation ─────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
  transition-delay: var(--delay, 0ms);
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

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

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1100px) {
  .impact-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 960px) {
  :root { --sidebar-w: 220px; }
  .services-grid { grid-template-columns: 1fr; }
  .story-layout  { grid-template-columns: 1fr; gap: 2.5rem; }
  .story-left    { position: static; }
}

@media (max-width: 768px) {
  .mob-header { display: flex; }
  .mob-nav    { display: flex; }

  .page { grid-template-columns: 1fr; }
  .sidebar { display: none; }

  .main { padding-top: 60px; }

  .hero {
    grid-template-columns: 1fr;
    grid-template-rows: auto 55vh;
    min-height: auto;
  }
  .hero__content { padding: 3.5rem 1.5rem 2.5rem; }
  .hero__photo-wrap { order: -1; }

  .about-split { grid-template-columns: 1fr; gap: 2rem; }
  .about-split__left { position: static; }

  .contact-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .impact-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 540px) {
  .impact-grid { grid-template-columns: 1fr; }
  .hero__headline { font-size: 2rem; }
  .sec__heading { font-size: 1.7rem; }
}

/* ── Print ────────────────────────────────────────────────── */
@media print {
  .mob-header, .mob-nav, .sidebar { display: none !important; }
  .page { grid-template-columns: 1fr; }
  body { color: #000; background: #fff; }
}