/* ============================================================
   Sooraj Bopanna — Portfolio
   Design system + layout
   ============================================================ */

:root {
  --bg:            #05060d;
  --bg-soft:       #0a0c18;
  --panel:         rgba(255, 255, 255, 0.025);
  --panel-hover:   rgba(255, 255, 255, 0.045);
  --border:        rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  --text:          #e9ecf5;
  --text-dim:      #a2a8bd;
  --text-faint:    #6a7089;

  --cyan:   #22d3ee;
  --indigo: #818cf8;
  --violet: #a78bfa;

  --grad: linear-gradient(120deg, #22d3ee 0%, #818cf8 50%, #a78bfa 100%);
  --glow-cyan:   rgba(34, 211, 238, 0.35);
  --glow-indigo: rgba(129, 140, 248, 0.35);

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;

  --maxw: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
em { font-style: italic; color: var(--text); }

::selection { background: rgba(129, 140, 248, 0.35); color: #fff; }

/* ---------- Background layers ---------- */
#quantum-field {
  position: fixed;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1000px 700px at 78% -8%, rgba(34, 211, 238, 0.12), transparent 60%),
    radial-gradient(900px 700px at 12% 8%, rgba(129, 140, 248, 0.12), transparent 60%),
    radial-gradient(1200px 900px at 50% 110%, rgba(167, 139, 250, 0.08), transparent 60%);
  pointer-events: none;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.035;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Scroll progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--grad);
  z-index: 200;
  box-shadow: 0 0 12px var(--glow-cyan);
}

/* ---------- Utilities ---------- */
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--text-faint);
  display: inline-block;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  padding: 0.85rem 1.5rem;
  border-radius: 100px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease),
              background 0.3s var(--ease), border-color 0.3s var(--ease);
  white-space: nowrap;
}
.btn--sm { padding: 0.55rem 1.1rem; font-size: 0.85rem; }
.btn--lg { padding: 1rem 1.75rem; font-size: 1rem; }

.btn--primary {
  background: var(--grad);
  color: #05060d;
  font-weight: 600;
  box-shadow: 0 8px 30px -8px var(--glow-indigo);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px -8px var(--glow-cyan);
}

.btn--ghost {
  background: var(--panel);
  border-color: var(--border-strong);
  color: var(--text);
  backdrop-filter: blur(10px);
}
.btn--ghost:hover {
  transform: translateY(-2px);
  background: var(--panel-hover);
  border-color: var(--cyan);
}

/* ============================================================
   Navigation
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem clamp(1.25rem, 4vw, 3rem);
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), padding 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(5, 6, 13, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--border);
  padding-top: 0.8rem;
  padding-bottom: 0.8rem;
}

.nav__brand { display: flex; align-items: center; gap: 0.7rem; }
.nav__mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: var(--grad);
  color: #05060d;
  box-shadow: 0 4px 18px -4px var(--glow-indigo);
}
.nav__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.01em;
}

.nav__links { display: flex; gap: 2rem; }
.nav__links a {
  font-size: 0.9rem;
  color: var(--text-dim);
  font-weight: 500;
  position: relative;
  transition: color 0.25s var(--ease);
}
.nav__links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 1.5px;
  background: var(--grad);
  transition: width 0.3s var(--ease);
}
.nav__links a:hover { color: var(--text); }
.nav__links a:hover::after { width: 100%; }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav__toggle span {
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(5, 6, 13, 0.96);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.75rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s var(--ease), visibility 0.35s var(--ease);
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-menu a {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-dim);
  font-weight: 500;
}
.mobile-menu a:not(.btn):hover { color: var(--text); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 8rem clamp(1.25rem, 5vw, 3rem) 4rem;
  position: relative;
}
.hero__inner { max-width: 940px; }

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--text-dim);
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--panel);
  backdrop-filter: blur(10px);
  margin-bottom: 2rem;
}
.pulse-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 0 var(--glow-cyan);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.55); }
  70%  { box-shadow: 0 0 0 9px rgba(34, 211, 238, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0); }
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.4rem, 11vw, 8rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero__role {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.6rem;
}
.hero__domains {
  font-size: clamp(0.85rem, 2vw, 1.05rem);
  color: var(--text-dim);
  letter-spacing: 0.02em;
  margin-bottom: 2rem;
}
.hero__domains .sep { color: var(--cyan); margin: 0 0.4rem; }

.hero__statement {
  max-width: 680px;
  margin: 0 auto 2.5rem;
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-dim);
  line-height: 1.7;
}
.hero__statement em { color: var(--text); font-style: normal; font-weight: 500; }

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero__meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  letter-spacing: 0.02em;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
}
.hero__scroll-line {
  display: block;
  width: 1px; height: 44px;
  background: linear-gradient(var(--cyan), transparent);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: -50%; left: 0;
  width: 100%; height: 50%;
  background: var(--cyan);
  animation: scrollDrop 1.8s var(--ease) infinite;
}
@keyframes scrollDrop {
  0% { top: -50%; } 100% { top: 100%; }
}

/* ============================================================
   Marquee
   ============================================================ */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1.4rem 0;
  background: rgba(255,255,255,0.012);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee__track {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  width: max-content;
  animation: marquee 38s linear infinite;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-dim);
  white-space: nowrap;
}
.marquee__sep { color: var(--indigo); font-size: 0.7rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============================================================
   Section scaffolding
   ============================================================ */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(5rem, 10vw, 8rem) clamp(1.25rem, 5vw, 3rem);
}

.section__head {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}
.section__index {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cyan);
  padding-top: 0.4rem;
}
.section__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.9rem, 5vw, 3rem);
  letter-spacing: -0.02em;
  line-height: 1.05;
}

/* ============================================================
   About
   ============================================================ */
.about {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 3rem;
  align-items: start;
}
.about__lead p { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--text-dim); margin-bottom: 1.5rem; }
.about__lead p:last-child { margin-bottom: 0; }

.about__aside {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.about__photo {
  position: relative;
  border-radius: 18px;
  padding: 3px;
  background: var(--grad);
  box-shadow: 0 24px 60px -24px var(--glow-indigo);
  line-height: 0;
}
.about__photo img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center 22%;
  border-radius: 15px;
  border: 3px solid var(--bg);
  filter: saturate(1.02) contrast(1.02);
}
.about__card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 0.6rem 1.5rem;
  backdrop-filter: blur(12px);
}
.about__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}
.about__row:last-child { border-bottom: none; }
.about__row span { color: var(--text-faint); font-size: 0.85rem; font-family: var(--font-mono); }
.about__row strong { font-family: var(--font-display); font-weight: 500; font-size: 0.95rem; text-align: right; }

/* ============================================================
   Pillars
   ============================================================ */
.pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.pillar {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.25rem;
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), background 0.4s var(--ease);
}
.pillar::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  padding: 1px;
  background: var(--grad);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.pillar:hover { transform: translateY(-6px); background: var(--panel-hover); }
.pillar:hover::before { opacity: 1; }
.pillar__num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0.85;
  margin-bottom: 1.25rem;
}
.pillar h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  margin-bottom: 0.9rem;
  letter-spacing: -0.01em;
}
.pillar p { color: var(--text-dim); font-size: 0.97rem; }

/* ============================================================
   Stats
   ============================================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.stat {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.25rem;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}
.stat:hover { transform: translateY(-6px); border-color: var(--border-strong); }
.stat__num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  line-height: 1;
  letter-spacing: -0.02em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 1rem;
}
.stat__label { color: var(--text-dim); font-size: 0.92rem; line-height: 1.55; }

/* ============================================================
   Timeline
   ============================================================ */
.timeline {
  position: relative;
  padding-left: 2rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 5px; top: 6px; bottom: 6px;
  width: 1px;
  background: linear-gradient(var(--cyan), var(--indigo), transparent);
  opacity: 0.4;
}
.tl {
  position: relative;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  padding-bottom: 3rem;
}
.tl:last-child { padding-bottom: 0; }
.tl__marker {
  position: absolute;
  left: -2rem; top: 6px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--indigo);
  transform: translateX(-0px);
  transition: box-shadow 0.4s var(--ease), background 0.4s var(--ease);
}
.tl--highlight .tl__marker {
  background: var(--grad);
  border-color: transparent;
  box-shadow: 0 0 14px var(--glow-cyan);
}
.tl__meta {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding-top: 0.1rem;
}
.tl__date {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--cyan);
  letter-spacing: 0.01em;
}
.tl__loc { font-size: 0.8rem; color: var(--text-faint); }

.tl__body {
  border-left: 1px solid var(--border);
  padding-left: 2rem;
  margin-left: -1rem;
}
.tl__badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 100px;
  padding: 0.25rem 0.7rem;
  margin-bottom: 0.85rem;
  background: rgba(34, 211, 238, 0.06);
}
.tl__body h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  line-height: 1.3;
  margin-bottom: 0.4rem;
  letter-spacing: -0.01em;
}
.tl__org {
  font-size: 0.98rem;
  color: var(--indigo);
  font-weight: 500;
  margin-bottom: 1.1rem;
}
.tl__org span { color: var(--text-faint); font-weight: 400; }
.tl__body ul { display: flex; flex-direction: column; gap: 0.7rem; }
.tl__body li {
  position: relative;
  padding-left: 1.35rem;
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.55;
}
.tl__body li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.62em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--indigo);
  opacity: 0.7;
}
.tl__body li strong { color: var(--text); font-weight: 600; }

/* ============================================================
   Expertise
   ============================================================ */
.expertise {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}
.expertise__col h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  color: var(--text);
}
.expertise__col h3.mt { margin-top: 2.25rem; }
.tag-grid { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.tag-grid li {
  font-size: 0.88rem;
  color: var(--text-dim);
  padding: 0.55rem 1rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--panel);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.tag-grid li:hover { color: var(--text); border-color: var(--border-strong); transform: translateY(-2px); }
.tag-grid--mono li { font-family: var(--font-mono); font-size: 0.8rem; }
.tag-grid--accent li { border-color: rgba(129, 140, 248, 0.25); color: var(--text); }

/* ============================================================
   Credentials
   ============================================================ */
.creds {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.cred-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}
.cred-card:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.cred-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--cyan);
}
.cred-item { margin-bottom: 1.5rem; }
.cred-item:last-child { margin-bottom: 0; }
.cred-item strong { display: block; font-family: var(--font-display); font-weight: 600; font-size: 1rem; }
.cred-item span { display: block; color: var(--text-dim); font-size: 0.9rem; margin: 0.15rem 0 0.4rem; }
.cred-item em { display: block; color: var(--text-faint); font-size: 0.82rem; font-style: normal; line-height: 1.5; }
.cred-list { display: flex; flex-direction: column; gap: 0.9rem; }
.cred-list li {
  color: var(--text-dim);
  font-size: 0.92rem;
  line-height: 1.5;
  padding-left: 1.1rem;
  position: relative;
}
.cred-list li::before {
  content: '›';
  position: absolute; left: 0;
  color: var(--indigo);
  font-weight: 700;
}
.cred-list li strong { color: var(--text); }

/* ============================================================
   Contact
   ============================================================ */
.contact {
  text-align: center;
  max-width: 820px;
}
.contact__inner { position: relative; }
.contact .section__index { display: block; margin-bottom: 1rem; }
.contact__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 6vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin-bottom: 1.75rem;
}
.contact__lead {
  color: var(--text-dim);
  font-size: clamp(1rem, 2vw, 1.15rem);
  max-width: 620px;
  margin: 0 auto 2.75rem;
}
.contact__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.25rem;
}
.contact__meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-faint);
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem clamp(1.25rem, 5vw, 3rem);
}
.footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-faint);
}
.footer__tag { font-family: var(--font-mono); font-size: 0.8rem; }

/* ============================================================
   Reveal animation
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; }
  .about, .expertise { grid-template-columns: 1fr; gap: 2rem; }
  .pillars { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .creds { grid-template-columns: 1fr; }
  .tl { grid-template-columns: 1fr; gap: 0.75rem; }
  .tl__meta { flex-direction: row; align-items: center; gap: 0.75rem; }
  .tl__body { border-left: none; padding-left: 0; margin-left: 0; }
}

@media (max-width: 560px) {
  .stats { grid-template-columns: 1fr; }
  .hero__actions .btn, .contact__actions .btn { width: 100%; justify-content: center; }
  .section__head { flex-direction: column; gap: 0.5rem; margin-bottom: 2.5rem; }
  .timeline { padding-left: 1.5rem; }
  .tl__marker { left: -1.5rem; }
}