/* Venture Interns Lab — shared design system */

:root {
  --navy: #14152b;
  --navy-2: #1e2044;
  --navy-3: #2a2d5c;
  --coral: #e86f63;
  --gold: #e8a94a;
  --sky: #8fc1e4;
  --white: #ffffff;
  --paper: #faf9f6;
  --ink: #14152b;
  --ink-soft: #565973;
  --line: #e6e4de;

  --font-head: "Bricolage Grotesque", "Trebuchet MS", sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;

  --container: 1120px;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--navy);
  line-height: 1.1;
  margin: 0 0 0.5em;
  letter-spacing: -0.02em;
  font-weight: 700;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.9rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); font-weight: 800; }
h3 { font-size: 1.25rem; font-weight: 700; }

p { margin: 0 0 1em; color: var(--ink-soft); }

a { color: inherit; }

img, svg { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 14px;
}

.lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 640px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: 999px;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--coral);
  color: var(--white);
  box-shadow: 0 8px 20px rgba(232, 111, 99, 0.35);
}
.btn-primary:hover { background: #e05d50; }

.btn-gold {
  background: var(--gold);
  color: var(--navy);
  box-shadow: 0 8px 20px rgba(232, 169, 74, 0.35);
}

.btn-outline {
  background: transparent;
  border-color: var(--navy);
  color: var(--navy);
}
.btn-outline:hover { background: var(--navy); color: var(--white); }

.btn-outline-light {
  background: transparent;
  border-color: rgba(255,255,255,0.5);
  color: var(--white);
}
.btn-outline-light:hover { background: var(--white); color: var(--navy); border-color: var(--white); }

/* Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.25s ease, padding 0.25s ease;
}
.site-header.scrolled {
  box-shadow: 0 6px 24px rgba(20,21,43,0.08);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  transition: padding 0.25s ease;
}
.site-header.scrolled .nav { padding: 9px 24px; }
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--navy);
}
.nav-logo img { width: 34px; height: 34px; }
.nav-logo.active { color: var(--coral); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--coral); border-color: var(--coral); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-cta-mobile { display: none; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  margin: 5px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

@media (max-width: 860px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 10px 24px 20px;
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; padding: 10px 0; }
  .nav-toggle { display: block; }
  .nav-cta { display: none; }
  .nav-cta-mobile {
    display: block;
    width: 100%;
    margin-top: 6px;
  }
  .nav-cta-mobile:first-of-type { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }
  .nav-cta-mobile a { display: block; width: 100%; text-align: center; padding: 12px 0; border-bottom: none; }
}

/* Hero */
.hero {
  background: var(--navy);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 300px at 85% -10%, rgba(232,169,74,0.25), transparent),
    radial-gradient(500px 260px at 100% 100%, rgba(232,111,99,0.2), transparent);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  padding: 56px 24px 72px;
  display: grid;
  gap: 40px;
}
.hero-inner.with-media {
  grid-template-columns: 0.95fr 1.15fr;
  align-items: center;
  gap: 24px;
}
.hero-copy { max-width: 640px; }
.hero-copy .eyebrow { font-size: 1.05rem; letter-spacing: 0.12em; margin-bottom: 18px; }
.hero-media {
  position: relative;
  justify-self: end;
  width: 100%;
  max-width: 600px;
  margin-right: -40px;
}
.hero-media img {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 30px 60px rgba(0,0,0,0.35));
}
@media (max-width: 980px) {
  .hero-inner.with-media { grid-template-columns: 1fr; }
  .hero-media { max-width: 340px; margin-right: 0; justify-self: center; order: -1; }
}
.hero h1 { color: var(--white); }
.hero .lede { color: rgba(255,255,255,0.78); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }

.hero-inner.with-media > .hero-stats { grid-column: 1 / -1; }
.hero-stats {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 72px;
  margin-top: 56px;
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 40px;
  padding-bottom: 4px;
  text-align: center;
}
.hero-stats > div { min-width: 120px; }
.hero-stats .stat-num {
  font-family: var(--font-head);
  font-size: 3rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
}
.hero-stats .stat-label {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.65);
  margin-top: 6px;
}
@media (max-width: 860px) {
  .hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px 16px;
    text-align: center;
  }
  .hero-stats > div { min-width: 0; }
  .hero-stats .stat-num { font-size: 2.2rem; }
}

/* Sections */
section { padding: 88px 0; }
.section-alt { background: var(--paper); }
.section-navy { background: var(--navy); color: var(--white); }
.section-navy h2, .section-navy h3 { color: var(--white); }
.section-navy p { color: rgba(255,255,255,0.72); }

.section-head { max-width: 680px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* Grids & cards */
.grid { display: grid; gap: 26px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(20, 21, 43, 0.1);
  border-color: rgba(232,111,99,0.3);
}
.card-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 18px;
  color: var(--white);
  transition: transform 0.3s ease;
}
.card:hover .card-icon { transform: rotate(-8deg) scale(1.08); }

.focus-card {
  scroll-margin-top: 100px;
}
.focus-card:target {
  border-color: var(--coral);
  box-shadow: 0 0 0 3px rgba(232,111,99,0.25), 0 20px 40px rgba(20, 21, 43, 0.1);
}
.bg-coral { background: var(--coral); }
.bg-gold { background: var(--gold); color: var(--navy); }
.bg-sky { background: var(--sky); color: var(--navy); }
.bg-navy { background: var(--navy); }

.pill {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.92);
  color: var(--navy);
  margin: 0 8px 8px 0;
}

/* Steps */
.steps { counter-reset: step; }
.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.step:last-child { border-bottom: none; }
.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--gold);
  font-family: var(--font-head);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Quote / callout */
.callout {
  background: var(--navy);
  color: var(--white);
  border-radius: 20px;
  padding: 48px;
  display: grid;
  gap: 24px;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
}
.callout h2 { color: var(--white); }
.callout p { color: rgba(255,255,255,0.75); }
@media (max-width: 860px) { .callout { grid-template-columns: 1fr; padding: 34px; } }

/* Table-ish comparison */
.compare {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.compare-row {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  border-bottom: 1px solid var(--line);
}
.compare-row:last-child { border-bottom: none; }
.compare-row > div { padding: 18px 22px; }
.compare-row > div:first-child { color: var(--ink-soft); }
.compare-row.head { background: var(--navy); color: var(--white); font-family: var(--font-head); font-weight: 700; }
.compare-row.head > div:first-child { color: var(--white); }

/* Forms */
.form-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr 1fr;
}
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }

label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 6px;
  color: var(--navy);
}
input, select, textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  color: var(--ink);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--coral);
  box-shadow: 0 0 0 3px rgba(232,111,99,0.15);
}
textarea { resize: vertical; min-height: 120px; }

.form-note {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-top: 10px;
}

/* Long application forms */
.app-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 40px;
}
@media (max-width: 700px) { .app-form { padding: 26px; } }

.form-section + .form-section {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.form-section-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--navy);
  margin-bottom: 4px;
}
.form-section-hint {
  font-size: 0.88rem;
  color: var(--ink-soft);
  margin-bottom: 20px;
}
.required-mark { color: var(--coral); }

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 10px;
}
.check-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  cursor: pointer;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.check-chip.is-checked {
  border-color: var(--coral);
  background: rgba(232,111,99,0.06);
}
.check-chip:has(input:checked) {
  border-color: var(--coral);
  background: rgba(232,111,99,0.06);
}
.check-chip input {
  width: 17px;
  height: 17px;
  accent-color: var(--coral);
  flex-shrink: 0;
}

.file-field {
  position: relative;
  border: 1.5px dashed var(--line);
  border-radius: 12px;
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.file-field:has(input:focus) { border-color: var(--coral); }
.file-field.has-file { border-color: var(--sky); background: rgba(143,193,228,0.08); }
.file-field input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  padding: 0;
}
.file-field-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--navy);
  color: var(--gold);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-weight: 700;
}
.file-field-text { min-width: 0; }
.file-field-name {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--navy);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.file-field-hint {
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.consent-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 30px;
}
.consent-row input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--coral);
  flex-shrink: 0;
}
.consent-row label {
  font-weight: 400;
  font-size: 0.88rem;
  color: var(--ink-soft);
  margin-bottom: 0;
}

.form-submit-row {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 28px;
}

/* Book a meeting CTA in page-hero */
.hero-book-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}
.btn-book {
  background: transparent;
  border: 2px solid var(--gold);
  color: var(--gold);
}
.btn-book:hover { background: var(--gold); color: var(--navy); }

/* Footer */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 28px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
@media (max-width: 860px) { .footer-top { grid-template-columns: 1fr 1fr; } }
.footer-top h4 {
  color: var(--white);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-top ul { list-style: none; margin: 0; padding: 0; }
.footer-top li { margin-bottom: 10px; }
.footer-top a { text-decoration: none; color: rgba(255,255,255,0.65); font-size: 0.92rem; }
.footer-top a:hover { color: var(--gold); }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-logo img { width: 30px; height: 30px; }
.footer-logo span { font-family: var(--font-head); font-weight: 700; color: var(--white); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 24px;
  font-size: 0.82rem;
}

/* Founder profile */
.founder-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 700px) {
  .founder-grid { grid-template-columns: 1fr; }
}
.founder-photo,
.founder-avatar-placeholder {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 20px;
}
.founder-photo { object-fit: cover; display: block; }
.founder-avatar-placeholder {
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 3.4rem;
  color: var(--gold);
}
.founder-name { margin-bottom: 2px; }
.founder-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--coral);
  margin-bottom: 18px;
}
.founder-links { margin-top: 20px; }

/* Page hero (inner pages) */
.page-hero {
  background: var(--navy);
  color: var(--white);
  padding: 72px 0 56px;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(500px 260px at 90% -10%, rgba(232,169,74,0.22), transparent),
    radial-gradient(420px 220px at 5% 110%, rgba(232,111,99,0.18), transparent);
  pointer-events: none;
}
.page-hero .container { position: relative; }
.page-hero h1 { color: var(--white); }
.page-hero .lede { color: rgba(255,255,255,0.75); }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s cubic-bezier(0.2,0.7,0.3,1), transform 0.7s cubic-bezier(0.2,0.7,0.3,1);
}
.reveal.in-view { opacity: 1; transform: none; }
.reveal-group > * {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.6s cubic-bezier(0.2,0.7,0.3,1), transform 0.6s cubic-bezier(0.2,0.7,0.3,1);
}
.reveal-group.in-view > * { opacity: 1; transform: none; }
.reveal-group.in-view > *:nth-child(2) { transition-delay: 0.08s; }
.reveal-group.in-view > *:nth-child(3) { transition-delay: 0.16s; }
.reveal-group.in-view > *:nth-child(4) { transition-delay: 0.24s; }
.reveal-group.in-view > *:nth-child(5) { transition-delay: 0.32s; }
.reveal-group.in-view > *:nth-child(6) { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-group > * { opacity: 1; transform: none; transition: none; }
}

/* FAQ */
details.faq {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
details.faq summary {
  font-family: var(--font-head);
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--navy);
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--coral);
}
details.faq[open] summary::after { content: "\2212"; }
details.faq p { margin-top: 12px; }

.text-center { text-align: center; }
.mt-0 { margin-top: 0; }