/* ============================================================
   HappyBein – Static Site Stylesheet
   Colors: Original teal/cyan brand palette
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&family=Open+Sans:wght@300;400;600&display=swap');

/* ---------- CSS Variables ---------- */
:root {
  --teal:      #2ABFBF;
  --teal-dark: #1A9A9A;
  --teal-lt:   #4DD0D0;
  --cyan:      #00BCD4;
  --green-hb:  #4CAF50;
  --green-dk:  #388E3C;
  --white:     #FFFFFF;
  --offwhite:  #F4FAFA;
  --light-bg:  #E8F7F7;
  --ink:       #1A3333;
  --body-text: #2C4A4A;
  --muted:     #5A7A7A;
  --border:    rgba(42,191,191,0.18);
  --shadow:    rgba(26,153,154,0.12);

  --ff-display: 'Nunito', sans-serif;
  --ff-body:    'Open Sans', sans-serif;

  --max-w: 1140px;
  --nav-h: 70px;
  --radius: 6px;
  --transition: 0.28s ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--ff-body);
  background: var(--white);
  color: var(--body-text);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---------- Navigation ---------- */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  display: flex;
  align-items: center;
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--ff-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.nav-logo svg { width: 36px; height: 36px; flex-shrink: 0; }
.logo-bein { color: var(--teal); }

.nav-links { display: flex; align-items: center; gap: 0; }
.nav-item { position: relative; }
.nav-item > a {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.5rem 1.1rem;
  font-family: var(--ff-display);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--ink);
  transition: color var(--transition);
}
.nav-item > a:hover { color: var(--teal); }
.nav-arrow {
  display: inline-block;
  width: 8px; height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
  transition: transform var(--transition);
}
.nav-item:hover .nav-arrow { transform: rotate(225deg) translateY(-1px); }
.dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 240px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 28px var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity var(--transition), transform var(--transition);
  padding: 0.4rem 0;
}
.nav-item:hover .dropdown { opacity: 1; pointer-events: auto; transform: translateY(0); }
.dropdown a {
  display: block;
  padding: 0.6rem 1.2rem;
  font-size: 0.875rem;
  font-family: var(--ff-body);
  color: var(--body-text);
  transition: background var(--transition), color var(--transition);
}
.dropdown a:hover { background: var(--light-bg); color: var(--teal-dark); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.hamburger span { display: block; width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: var(--transition); }
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--nav-h);
  background: var(--white);
  z-index: 999;
  padding: 1.5rem 2rem;
  flex-direction: column;
  overflow-y: auto;
}
.mobile-nav.open { display: flex; }
.mobile-nav a { display: block; padding: 0.9rem 0; font-size: 1rem; font-weight: 700; font-family: var(--ff-display); color: var(--ink); border-bottom: 1px solid var(--border); }
.mobile-nav a.sub { padding-left: 1.5rem; font-size: 0.9rem; color: var(--muted); font-weight: 400; font-family: var(--ff-body); }
.mobile-nav a:hover { color: var(--teal); }

/* ---------- Hero ---------- */
.hero {
  padding-top: calc(var(--nav-h) + 5rem);
  padding-bottom: 5rem;
  padding-inline: 2rem;
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 4rem;
  align-items: center;
  min-height: 90vh;
}
.hero h1 {
  font-family: var(--ff-display);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 1.2rem;
  letter-spacing: -0.02em;
}
.hero-sub { font-size: 1rem; color: var(--muted); max-width: 400px; margin-bottom: 2.2rem; line-height: 1.8; }
.btn-group { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.8rem 1.6rem;
  font-family: var(--ff-display);
  font-size: 0.82rem;
  font-weight: 800;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 2px solid transparent;
}
.btn-primary { background: var(--green-hb); color: var(--white); border-color: var(--green-hb); }
.btn-primary:hover { background: var(--green-dk); border-color: var(--green-dk); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(76,175,80,0.3); }
.btn-outline { background: transparent; color: var(--teal-dark); border-color: var(--teal); }
.btn-outline:hover { background: var(--teal); color: var(--white); transform: translateY(-2px); }

/* Video embed */
.hero-video {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  border: 3px solid var(--teal);
  box-shadow: 0 20px 60px var(--shadow), 0 0 0 8px rgba(42,191,191,0.08);
  aspect-ratio: 16/9;
  background: #000;
}
.hero-video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* ---------- Section Common ---------- */
section { padding: 5rem 2rem; }
.section-inner { max-width: var(--max-w); margin: 0 auto; }
.section-label {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin-bottom: 0.6rem;
}
.section-title {
  font-family: var(--ff-display);
  font-size: clamp(1.7rem, 2.8vw, 2.5rem);
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1rem;
}
.section-sub { font-size: 1rem; color: var(--muted); max-width: 560px; line-height: 1.8; margin-bottom: 2.5rem; }

/* ---------- What Is Section ---------- */
.what-is { background: var(--offwhite); }
.what-is-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.what-is-image {
  border-radius: 8px;
  overflow: hidden;
  border: 3px solid var(--teal);
  aspect-ratio: 4/3;
  background: var(--light-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.what-is-image img { width: 100%; height: 100%; object-fit: cover; }
.entity-card {
  background: var(--white);
  padding: 1.6rem;
  border-radius: 8px;
  border-left: 4px solid var(--teal);
  box-shadow: 0 2px 12px var(--shadow);
  margin-bottom: 1.2rem;
}
.entity-card:last-child { margin-bottom: 0; }
.entity-card.green-card { border-left-color: var(--green-hb); }
.entity-tag { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--teal-dark); margin-bottom: 0.4rem; }
.entity-card.green-card .entity-tag { color: var(--green-dk); }
.entity-card h3 { font-family: var(--ff-display); font-size: 1.1rem; color: var(--ink); margin-bottom: 0.5rem; font-weight: 800; }
.entity-card p { font-size: 0.9rem; color: var(--muted); line-height: 1.75; }
.entity-card a { color: var(--teal-dark); font-weight: 600; border-bottom: 1px solid rgba(26,154,154,0.3); }
.entity-card a:hover { color: var(--teal); border-color: var(--teal); }

/* ---------- Streams ---------- */
.streams-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.stream-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem;
  box-shadow: 0 4px 20px var(--shadow);
  position: relative;
  overflow: hidden;
}
.stream-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; }
.stream-card.stream-a::before { background: var(--teal); }
.stream-card.stream-b::before { background: var(--green-hb); }
.stream-letter { font-family: var(--ff-display); font-size: 4rem; font-weight: 900; color: var(--teal); opacity: 0.08; position: absolute; top: 0.5rem; right: 1rem; line-height: 1; pointer-events: none; }
.stream-card.stream-b .stream-letter { color: var(--green-hb); }
.stream-tag { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--teal-dark); margin-bottom: 0.5rem; }
.stream-card.stream-b .stream-tag { color: var(--green-dk); }
.stream-card h3 { font-family: var(--ff-display); font-size: 1.15rem; color: var(--ink); margin-bottom: 0.7rem; font-weight: 800; }
.stream-card p { font-size: 0.92rem; color: var(--muted); line-height: 1.75; }
.stream-card em { color: var(--teal-dark); font-style: normal; font-weight: 600; }
.stream-card.stream-b em { color: var(--green-dk); }

/* ---------- Quote strip ---------- */
.strip { background: linear-gradient(135deg, var(--teal-dark) 0%, var(--teal) 100%); color: var(--white); padding: 4rem 2rem; text-align: center; }
.strip-inner { max-width: var(--max-w); margin: 0 auto; }
.strip blockquote { font-family: var(--ff-display); font-size: clamp(1.2rem, 2.2vw, 1.7rem); font-weight: 700; line-height: 1.55; max-width: 700px; margin: 0 auto 1.2rem; }
.strip cite { font-size: 0.82rem; letter-spacing: 0.1em; opacity: 0.75; font-style: normal; text-transform: uppercase; }

/* ---------- CTA ---------- */
.cta-section { background: var(--light-bg); text-align: center; }
.cta-box { background: linear-gradient(135deg, var(--teal-dark) 0%, var(--teal) 100%); border-radius: 12px; padding: 4rem 3rem; color: var(--white); max-width: 700px; margin: 0 auto; box-shadow: 0 16px 48px rgba(42,191,191,0.22); }
.cta-box h2 { font-family: var(--ff-display); font-size: clamp(1.5rem, 2.5vw, 2.2rem); margin-bottom: 1rem; line-height: 1.2; font-weight: 800; }
.cta-box p { font-size: 1rem; opacity: 0.88; margin-bottom: 2rem; }
.btn-white { background: var(--white); color: var(--teal-dark); border-color: var(--white); font-weight: 800; }
.btn-white:hover { background: var(--light-bg); border-color: var(--light-bg); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.15); }

/* ---------- Page Hero ---------- */
.page-hero { padding-top: calc(var(--nav-h) + 4rem); padding-bottom: 3.5rem; padding-inline: 2rem; background: var(--light-bg); border-bottom: 1px solid var(--border); }
.page-hero-inner { max-width: var(--max-w); margin: 0 auto; }
.page-hero h1 { font-family: var(--ff-display); font-size: clamp(1.9rem, 3.5vw, 3rem); font-weight: 900; color: var(--ink); letter-spacing: -0.025em; line-height: 1.1; margin-bottom: 1rem; max-width: 700px; }
.page-hero .lead { font-size: 1.05rem; color: var(--muted); max-width: 600px; line-height: 1.8; }

/* ---------- Manifesto ---------- */
.manifesto-body { max-width: 780px; margin: 0 auto; }
.manifesto-body h2 { font-family: var(--ff-display); font-size: 1.5rem; color: var(--ink); margin: 3rem 0 0.8rem; font-weight: 800; }
.manifesto-body h3 { font-family: var(--ff-display); font-size: 1.05rem; color: var(--teal-dark); margin: 1.8rem 0 0.5rem; font-weight: 700; }
.manifesto-body p { margin-bottom: 1.1rem; color: var(--body-text); line-height: 1.85; }
.manifesto-body ul { margin: 0.5rem 0 1rem 1.5rem; list-style: disc; }
.manifesto-body ul li { margin-bottom: 0.4rem; color: var(--body-text); }
.manifesto-body hr { border: none; border-top: 1px solid var(--border); margin: 2.5rem 0; }
.north-star { background: var(--light-bg); border-left: 4px solid var(--teal); padding: 1.4rem 1.8rem; border-radius: 0 8px 8px 0; margin: 1.5rem 0; }
.north-star p { font-family: var(--ff-display); font-size: 1.05rem; font-style: italic; color: var(--ink); margin: 0; font-weight: 700; }
.synthesis-box { background: linear-gradient(135deg, var(--teal-dark) 0%, var(--teal) 100%); color: var(--white); padding: 2.2rem; border-radius: 8px; margin: 2rem 0; }
.synthesis-box p { color: var(--white); margin: 0; }

/* ---------- Roadmap ---------- */
.roadmap-phases { display: flex; flex-direction: column; gap: 1.5rem; max-width: 840px; margin: 0 auto; }
.phase-card { background: var(--white); border: 1px solid var(--border); border-radius: 8px; padding: 2rem 2.5rem; display: grid; grid-template-columns: 52px 1fr; gap: 1.5rem; align-items: start; box-shadow: 0 2px 12px var(--shadow); }
.phase-number { width: 52px; height: 52px; background: var(--light-bg); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: var(--ff-display); font-size: 1.3rem; font-weight: 900; color: var(--teal-dark); flex-shrink: 0; }
.phase-card.active { border-left: 4px solid var(--teal); }
.phase-card.in-progress { border-left: 4px solid var(--green-hb); }
.phase-card.future { border-left: 4px solid var(--border); opacity: 0.75; }
.phase-status { display: inline-block; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; padding: 0.2rem 0.6rem; border-radius: 2rem; margin-bottom: 0.5rem; }
.phase-card.active .phase-status { background: rgba(42,191,191,0.12); color: var(--teal-dark); }
.phase-card.in-progress .phase-status { background: rgba(76,175,80,0.1); color: var(--green-dk); }
.phase-card.future .phase-status { background: rgba(0,0,0,0.05); color: var(--muted); }
.phase-card h3 { font-family: var(--ff-display); font-size: 1.2rem; color: var(--ink); margin-bottom: 0.6rem; font-weight: 800; }
.phase-card ul { margin-left: 1rem; list-style: disc; }
.phase-card ul li { font-size: 0.92rem; color: var(--muted); margin-bottom: 0.4rem; line-height: 1.6; }

.philosophy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin: 2rem auto; max-width: 840px; }
.phil-card { background: var(--light-bg); border: 1px solid var(--border); border-radius: 8px; padding: 1.5rem; text-align: center; }
.phil-icon { font-size: 1.8rem; margin-bottom: 0.8rem; }
.phil-card h4 { font-family: var(--ff-display); font-size: 1rem; color: var(--ink); margin-bottom: 0.4rem; font-weight: 800; }
.phil-card p { font-size: 0.875rem; color: var(--muted); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.contact-info h3 { font-family: var(--ff-display); font-size: 1.2rem; color: var(--ink); margin: 1.8rem 0 0.6rem; font-weight: 800; }
.contact-info h3:first-child { margin-top: 0; }
.contact-info p, .contact-info li { font-size: 0.92rem; color: var(--muted); line-height: 1.75; }
.contact-info ul { margin: 0.5rem 0 0 1rem; list-style: disc; }
.contact-info a { color: var(--teal-dark); font-weight: 600; }
.contact-info a:hover { text-decoration: underline; }
.contact-detail { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 0; border-bottom: 1px solid var(--border); font-size: 0.92rem; color: var(--muted); }
.contact-detail strong { color: var(--ink); min-width: 80px; }
.contact-form { background: var(--white); border: 1px solid var(--border); border-radius: 10px; padding: 2.5rem; box-shadow: 0 4px 24px var(--shadow); }
.contact-form h3 { font-family: var(--ff-display); font-size: 1.3rem; color: var(--ink); margin-bottom: 1.5rem; font-weight: 800; }
.form-group { margin-bottom: 1.1rem; }
.form-group label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--ink); margin-bottom: 0.35rem; }
.form-group input, .form-group textarea { width: 100%; padding: 0.7rem 1rem; font-family: var(--ff-body); font-size: 0.92rem; color: var(--ink); background: var(--offwhite); border: 1.5px solid var(--border); border-radius: var(--radius); outline: none; transition: border-color var(--transition), box-shadow var(--transition); }
.form-group input:focus, .form-group textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(42,191,191,0.12); background: var(--white); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-notice { font-size: 0.78rem; color: var(--muted); margin-top: 1rem; line-height: 1.6; }

/* ---------- Projects ---------- */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 2rem; margin-top: 2.5rem; }
.project-card { background: var(--white); border: 1px solid var(--border); border-radius: 10px; padding: 2rem; display: flex; flex-direction: column; transition: transform var(--transition), box-shadow var(--transition); position: relative; overflow: hidden; box-shadow: 0 2px 12px var(--shadow); }
.project-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--teal); }
.project-card.community::before { background: var(--green-hb); }
.project-card.research::before { background: var(--teal-dark); }
.project-card.future-proj::before { background: rgba(42,191,191,0.2); }
.project-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px var(--shadow); }
.project-icon { font-size: 1.6rem; margin-bottom: 1rem; width: 52px; height: 52px; background: var(--light-bg); border-radius: 12px; display: flex; align-items: center; justify-content: center; }
.project-category { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--teal-dark); margin-bottom: 0.4rem; }
.project-card.community .project-category { color: var(--green-dk); }
.project-card.future-proj .project-category { color: var(--muted); }
.project-card h3 { font-family: var(--ff-display); font-size: 1.15rem; color: var(--ink); margin-bottom: 0.7rem; font-weight: 800; line-height: 1.25; }
.project-card p { font-size: 0.88rem; color: var(--muted); line-height: 1.75; flex-grow: 1; margin-bottom: 1.4rem; }
.project-status { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.25rem 0.65rem; border-radius: 2rem; margin-bottom: 0.8rem; align-self: flex-start; }
.status-active { background: rgba(42,191,191,0.12); color: var(--teal-dark); }
.status-progress { background: rgba(76,175,80,0.1); color: var(--green-dk); }
.status-future { background: rgba(0,0,0,0.05); color: var(--muted); }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; display: inline-block; }
.project-links { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: auto; }
.project-link { font-size: 0.83rem; font-weight: 600; color: var(--teal-dark); border-bottom: 1px solid rgba(26,154,154,0.3); transition: border-color var(--transition), color var(--transition); }
.project-link:hover { color: var(--teal); border-color: var(--teal); }
.project-card.future-proj .project-link { color: var(--muted); border-color: rgba(90,122,122,0.3); pointer-events: none; }

.filter-bar { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.5rem; }
.filter-btn { padding: 0.38rem 1rem; border: 1.5px solid var(--border); border-radius: 2rem; font-size: 0.8rem; font-weight: 700; font-family: var(--ff-display); color: var(--ink); background: transparent; cursor: pointer; transition: all var(--transition); }
.filter-btn:hover, .filter-btn.active { background: var(--teal); color: var(--white); border-color: var(--teal); }
.contribute-banner { background: var(--light-bg); border: 1px solid var(--border); border-radius: 10px; padding: 2.2rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; margin-top: 3rem; }
.contribute-banner h3 { font-family: var(--ff-display); font-size: 1.2rem; color: var(--ink); margin-bottom: 0.3rem; font-weight: 800; }
.contribute-banner p { font-size: 0.88rem; color: var(--muted); }

/* ---------- Footer ---------- */
footer { background: var(--ink); color: rgba(255,255,255,0.55); padding: 3rem 2rem; }
.footer-inner { max-width: var(--max-w); margin: 0 auto; display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 3rem; }
.footer-brand p { font-size: 0.875rem; line-height: 1.7; max-width: 260px; margin-top: 0.8rem; }
.footer-col h4 { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--teal); margin-bottom: 1rem; }
.footer-col a { display: block; font-size: 0.875rem; color: rgba(255,255,255,0.55); margin-bottom: 0.5rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--white); }
.footer-bottom { max-width: var(--max-w); margin: 2rem auto 0; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.08); display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; flex-wrap: wrap; gap: 1rem; }
.social-links { display: flex; gap: 1rem; }
.social-links a { color: rgba(255,255,255,0.45); font-size: 0.85rem; transition: color var(--transition); }
.social-links a:hover { color: var(--teal); }

/* ---------- Animations ---------- */
.fade-up { opacity: 0; transform: translateY(20px); transition: opacity 0.55s ease, transform 0.55s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up:nth-child(2) { transition-delay: 0.08s; }
.fade-up:nth-child(3) { transition-delay: 0.16s; }
.fade-up:nth-child(4) { transition-delay: 0.24s; }

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: calc(var(--nav-h) + 2.5rem); }
  .what-is-layout, .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .streams-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .philosophy-grid { grid-template-columns: 1fr 1fr; }
  .phase-card { grid-template-columns: 1fr; }
  .phase-number { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero-video { margin-top: 0.5rem; }
}
@media (max-width: 600px) {
  .footer-inner { grid-template-columns: 1fr; }
  .philosophy-grid { grid-template-columns: 1fr; }
  section { padding: 3rem 1.25rem; }
  .cta-box { padding: 2.5rem 1.5rem; }
}