/* ===== MIDNIGHT ROSE THEME ===== */
/* Dark moody navy with dusty rose warmth */

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0F1623;
  --bg2: #151D2E;
  --bg3: #1B2438;
  --accent: #D4878F;
  --accent2: #C9A84C;
  --text: #E8E0D8;
  --text-muted: #8E95A8;
  --border: #253045;
  --card-bg: #151D2E;
  --nav-h: 68px;
}
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Nunito Sans", sans-serif;
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }
/* ===== CONTAINER ===== */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
/* ===== NAVBAR ===== */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: transparent;
  transition: background 0.3s, box-shadow 0.3s;
}
#navbar.scrolled {
  background: rgba(15,22,35,0.94);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.3rem; font-weight: 800;
  letter-spacing: -0.5px;
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  font-size: 0.82rem; font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: all 0.3s;
}
.mobile-menu {
  display: none; flex-direction: column;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 12px 0;
}
.mobile-menu.open { display: flex; }
.mob-link {
  padding: 12px 24px;
  font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-muted);
  transition: color 0.2s, background 0.2s;
}
.mob-link:hover { color: var(--accent); background: var(--bg3); }
/* ===== SECTION ===== */
.section { padding: 100px 0; }
.section-alt { background: var(--bg2); }
.section-title {
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 56px;
  line-height: 1.1;
}
.accent { color: var(--accent); }
/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: 6px;
  font-family: "Nunito Sans", sans-serif;
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase;
  transition: all 0.25s; cursor: pointer; border: none;
}
.btn-primary {
  background: #D4878F; color: #0F1623;
}
.btn-primary:hover {
  background: #C47580; transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212,135,143,0.3);
}
.btn-outline {
  background: transparent; color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--accent); color: var(--accent);
  transform: translateY(-2px);
}
.btn-full { width: 100%; justify-content: center; }
/* ===== HERO ===== */
#hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
#heroCanvas {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%;
}
/* Nav CV button */
.nav-cv-btn {
  padding: 8px 20px; font-size: 0.78rem;
  border-radius: 6px;
}
/* Hero wrapper */
.hero-wrap {
  position: relative; z-index: 1;
  width: 100%; max-width: 1100px; margin: 0 auto;
  padding: 0 24px;
  display: flex; flex-direction: column;
  gap: 0;
}
/* Split layout */
.hero-split {
  display: flex; align-items: center; gap: 64px;
  padding: 130px 0 48px;
}
/* Image column */
.hero-img-col {
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.hero-glow-wrap {
  position: relative;
  width: 340px; height: 340px;
  display: flex; align-items: center; justify-content: center;
}
.hero-ring {
  position: absolute; border-radius: 50%;
  pointer-events: none; z-index: 1;
}
.hero-ring-outer {
  inset: -16px;
  border: 1.5px dashed rgba(212,135,143,0.3);
  animation: ring-spin 18s linear infinite;
}
.hero-ring-mid {
  inset: -6px;
  border: 2px solid transparent;
  background: linear-gradient(var(--bg), var(--bg)) padding-box,
              linear-gradient(135deg, #D4878F 0%, #C9A84C 50%, #D4878F 100%) border-box;
  animation: ring-glow 3s ease-in-out infinite;
}
@keyframes ring-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes ring-glow {
  0%, 100% { box-shadow: 0 0 16px rgba(212,135,143,0.35), 0 0 32px rgba(212,135,143,0.15); }
  50%       { box-shadow: 0 0 28px rgba(212,135,143,0.6), 0 0 56px rgba(212,135,143,0.25); }
}
.hero-img-circle {
  position: relative; z-index: 2;
  width: 340px; height: 340px; border-radius: 50%; overflow: hidden;
  border: 3px solid rgba(212,135,143,0.5);
}
.hero-img-circle img {
  width: 100%; height: 100%; object-fit: cover; object-position: 50% 15%;
}
/* Text column */
.hero-text-col {
  flex: 1; min-width: 0;
  display: flex; flex-direction: column; gap: 0;
}
.hero-greeting {
  font-size: 0.78rem; color: var(--accent); letter-spacing: 0.18em;
  text-transform: uppercase; margin-bottom: 10px;
}
.hero-name {
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(2.6rem, 5vw, 3.8rem);
  font-weight: 800; line-height: 1.05;
  margin-bottom: 16px;
}
.hero-role-wrap {
  display: flex; align-items: center; gap: 4px;
  margin-bottom: 18px; min-height: 32px; flex-wrap: wrap;
}
.hero-role-prefix { color: var(--text-muted); font-size: 1.05rem; }
.hero-role { color: var(--accent2); font-size: 1.05rem; font-weight: 500; }
.cursor {
  display: inline-block; color: var(--accent);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
.hero-tagline { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 24px; line-height: 1.8; }
.hero-socials { display: flex; gap: 14px; margin-bottom: 28px; flex-wrap: wrap; }
.social-link {
  width: 40px; height: 40px; border-radius: 8px;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  transition: all 0.25s;
}
.social-link svg { width: 18px; height: 18px; }
.social-link:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
/* Stats bar */
.hero-stats-bar {
  display: flex; align-items: stretch;
  border-top: 1px solid var(--border);
  padding: 28px 0 80px;
  gap: 0;
}
.hero-stat {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 4px; padding: 0 20px;
  border-right: 1px solid var(--border);
}
.hero-stat:last-child { border-right: none; }
.stat-n {
  font-family: "Cormorant Garamond", serif;
  font-size: 2rem; font-weight: 800; color: var(--accent);
  line-height: 1;
}
.stat-l {
  font-size: 0.72rem; color: var(--text-muted); text-align: center;
  text-transform: uppercase; letter-spacing: 0.08em;
}
/* Scroll hint */
.hero-scroll-hint {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--text-muted); font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase;
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollDown 1.8s ease-in-out infinite;
}
@keyframes scrollDown { 0%{transform:scaleY(0);transform-origin:top} 50%{transform:scaleY(1);transform-origin:top} 51%{transform-origin:bottom} 100%{transform:scaleY(0);transform-origin:bottom} }

  50% { transform: translateY(-5px); }
}
/* ===== ABOUT ===== */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start;
}
.about-text p { color: var(--text-muted); margin-bottom: 16px; }
.about-text strong { color: var(--text); }
.about-meta {
  display: flex; flex-direction: column; gap: 6px;
  margin-top: 24px; padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 0.83rem; color: var(--text-muted);
}
.status-badge {
  display: inline-block; padding: 2px 10px; border-radius: 20px;
  background: rgba(212,135,143,0.12); color: var(--accent);
  font-size: 0.75rem; border: 1px solid rgba(212,135,143,0.3);
}
.about-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.stat-card {
  background: var(--bg3); border: 1px solid var(--border); border-radius: 10px;
  padding: 24px; display: flex; flex-direction: column; gap: 4px;
  transition: border-color 0.2s, transform 0.2s;
}
.stat-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.stat-num {
  font-family: "Cormorant Garamond", serif; font-size: 2rem; font-weight: 800;
  color: var(--accent);
}
.stat-label { font-size: 0.78rem; color: var(--text-muted); }
/* ===== SKILLS ===== */
.skills-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px;
}
.skill-group {
  background: var(--bg3); border: 1px solid var(--border); border-radius: 10px;
  padding: 24px;
  transition: border-color 0.25s;
  animation-delay: var(--delay, 0s);
}
.skill-group:hover { border-color: var(--accent2); }
.skill-group-title {
  font-family: "Cormorant Garamond", serif; font-size: 0.8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--accent2); margin-bottom: 14px;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  padding: 4px 12px; border-radius: 20px;
  background: rgba(201,168,76,0.08); border: 1px solid rgba(201,168,76,0.2);
  color: var(--text); font-size: 0.77rem;
  transition: all 0.2s;
}
.tag:hover { background: rgba(201,168,76,0.15); border-color: var(--accent2); }
/* ===== TIMELINE ===== */
.timeline {
  position: relative; padding: 20px 0;
}
.timeline::before {
  content: ""; position: absolute;
  left: 50%; top: 0; bottom: 0;
  width: 1px; background: var(--border);
  transform: translateX(-50%);
}
/* Arrowhead at top of the line — single entity */
.timeline::after {
  content: "";
  position: absolute;
  left: 50%; top: 0;
  transform: translateX(-50%);
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 8px solid var(--border);
}
.tl-item {
  display: flex; width: 50%; padding-bottom: 48px;
}
.tl-left {
  padding-right: 48px; justify-content: flex-end;
}
.tl-right {
  padding-left: 48px; margin-left: 50%;
}
.tl-card {
  background: var(--bg3); border: 1px solid var(--border); border-radius: 10px;
  padding: 24px; max-width: 420px; position: relative;
  transition: border-color 0.2s, transform 0.2s;
}
.tl-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.tl-left .tl-card::after {
  content: ""; position: absolute;
  right: -9px; top: 24px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent); border: 2px solid var(--bg);
  box-shadow: 0 0 12px rgba(212,135,143,0.5);
}
.tl-right .tl-card::before {
  content: ""; position: absolute;
  left: -9px; top: 24px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent); border: 2px solid var(--bg2);
  box-shadow: 0 0 12px rgba(212,135,143,0.5);
}
.tl-badge {
  display: inline-block; padding: 2px 10px; border-radius: 20px;
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em;
  margin-bottom: 10px;
}
.tl-badge.edu { background: rgba(212,135,143,0.12); color: var(--accent); border: 1px solid rgba(212,135,143,0.3); }
.tl-badge.exp { background: rgba(201,168,76,0.12); color: var(--accent2); border: 1px solid rgba(201,168,76,0.3); }
.tl-badge.project { background: rgba(180,160,120,0.1); color: #B4A078; border: 1px solid rgba(180,160,120,0.3); }
.tl-card h3 { font-family: "Cormorant Garamond", serif; font-size: 1.05rem; font-weight: 700; margin-bottom: 4px; }
.tl-org { color: var(--accent); font-size: 0.82rem; margin-bottom: 2px; }
.tl-date { color: var(--text-muted); font-size: 0.78rem; margin-bottom: 10px; }
.tl-desc { color: var(--text-muted); font-size: 0.82rem; line-height: 1.6; }
/* ===== PROJECTS ===== */
.projects-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 28px;
}
.proj-card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}
.proj-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(0,0,0,0.45);
}
.proj-card-header {
  padding: 28px 24px 20px;
  display: flex; align-items: center; gap: 14px;
}
.proj-header-bookforum {
  background: linear-gradient(135deg, #1A1530 0%, #15203A 100%);
  border-bottom: 1px solid rgba(201,168,76,0.3);
}
.proj-header-car {
  background: linear-gradient(135deg, #251A1C 0%, #1E1822 100%);
  border-bottom: 1px solid rgba(212,135,143,0.3);
}
.proj-header-icon {
  width: 40px; height: 40px; border-radius: 8px;
  background: rgba(255,255,255,0.07);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.proj-header-icon svg { width: 20px; height: 20px; }
.proj-title { font-family: "Cormorant Garamond", serif; font-size: 1.15rem; font-weight: 700; }
.proj-body { padding: 20px 24px 24px; }
.proj-type { font-size: 0.75rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 10px; }
.proj-desc { color: var(--text-muted); font-size: 0.83rem; line-height: 1.7; margin-bottom: 16px; }
.proj-tech {
  display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px;
}
.proj-tech span {
  padding: 3px 10px; border-radius: 4px;
  background: var(--bg3); border: 1px solid var(--border);
  font-size: 0.73rem; color: var(--text-muted);
}
.proj-links { display: flex; gap: 12px; }
.proj-link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 16px; border-radius: 6px;
  background: var(--bg3); border: 1px solid var(--border);
  font-size: 0.78rem; color: var(--text-muted);
  transition: all 0.2s;
}
.proj-link svg { width: 14px; height: 14px; }
.proj-link:hover { border-color: var(--accent); color: var(--accent); }
.proj-link-inactive { font-size: 0.78rem; color: var(--text-muted); font-style: italic; padding: 7px 0; }
/* ===== COURSES ===== */
.courses-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px;
}
.course-card {
  background: var(--bg3); border: 1px solid var(--border); border-radius: 10px;
  padding: 20px 24px;
  display: flex; align-items: center; gap: 16px;
  transition: border-color 0.2s, transform 0.2s;
}
.course-card:hover { border-color: var(--accent2); transform: translateY(-3px); }
.course-icon {
  width: 42px; height: 42px; border-radius: 8px;
  background: rgba(201,168,76,0.1); border: 1px solid rgba(201,168,76,0.2);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; color: var(--accent2);
}
.course-icon svg { width: 20px; height: 20px; }
.course-info { flex: 1; }
.course-info h3 { font-family: "Cormorant Garamond", serif; font-size: 0.95rem; font-weight: 700; margin-bottom: 2px; }
.course-info p { font-size: 0.78rem; color: var(--text-muted); }
.course-badge {
  padding: 3px 10px; border-radius: 20px;
  background: rgba(212,135,143,0.1); color: var(--accent);
  border: 1px solid rgba(212,135,143,0.25); font-size: 0.7rem;
  white-space: nowrap;
}
/* ===== CONTACT ===== */
.contact-sub {
  color: var(--text-muted); max-width: 560px; margin-bottom: 48px;
  font-size: 0.9rem; line-height: 1.8;
}
.contact-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-item {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 20px; border-radius: 10px;
  background: var(--bg3); border: 1px solid var(--border);
  transition: border-color 0.2s, transform 0.2s;
}
.contact-item:hover { border-color: var(--accent); transform: translateX(4px); }
.contact-icon {
  width: 40px; height: 40px; border-radius: 8px;
  background: rgba(212,135,143,0.06); border: 1px solid rgba(212,135,143,0.15);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); flex-shrink: 0;
}
.contact-icon svg { width: 18px; height: 18px; }
.contact-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 2px; }
.contact-value { font-size: 0.85rem; color: var(--text); }
.contact-form {
  background: var(--bg3); border: 1px solid var(--border); border-radius: 12px;
  padding: 32px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.form-group label { font-size: 0.78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.form-group input, .form-group textarea {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 6px;
  padding: 10px 14px; color: var(--text);
  font-family: "Nunito Sans", sans-serif; font-size: 0.85rem;
  transition: border-color 0.2s;
  outline: none; resize: vertical;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); }
.form-note { font-size: 0.8rem; color: var(--accent); margin-top: 10px; text-align: center; }
/* ===== FOOTER ===== */
#footer {
  background: var(--bg2); border-top: 1px solid var(--border);
  padding: 32px 0;
}
.footer-inner {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px;
}
.footer-logo {
  font-family: "Cormorant Garamond", serif; font-size: 1.1rem; font-weight: 800;
}
.footer-logo span { color: var(--accent); }
.footer-copy { font-size: 0.78rem; color: var(--text-muted); }
.footer-socials { display: flex; gap: 12px; }
.footer-socials a {
  width: 36px; height: 36px; border-radius: 6px;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); transition: all 0.2s;
}
.footer-socials a svg { width: 16px; height: 16px; }
.footer-socials a:hover { border-color: var(--accent); color: var(--accent); }
/* ===== SCROLL ANIMATIONS ===== */
.reveal-up, .reveal-left, .reveal-right, .reveal-scale {
  opacity: 0; transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-50px); }
.reveal-right { transform: translateX(50px); }
.reveal-scale { transform: scale(0.9) translateY(20px); }
.reveal-up.visible, .reveal-left.visible, .reveal-right.visible, .reveal-scale.visible {
  opacity: 1; transform: none;
  transition-delay: var(--delay, 0s);
}
/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-cv-btn { display: none; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  /* Hero */
  .hero-split { flex-direction: column; gap: 28px; padding-top: 100px; padding-bottom: 24px; }
  .hero-img-col { order: -1; }
  .hero-glow-wrap, .hero-img-circle { width: 200px; height: 200px; }
  .hero-text-col { text-align: center; align-items: center; display: flex; }
  .hero-socials { justify-content: center; }
  .hero-cta { justify-content: center; }
  .hero-role-wrap { justify-content: center; }
  /* Stats bar: stack in a row of 3, no extra bottom padding */
  .hero-stats-bar { display: flex; flex-direction: row; flex-wrap: nowrap; gap: 0; padding: 20px 0 28px; border-top: 1px solid var(--border); }
  .hero-stat { flex: 1; border-right: 1px solid var(--border); border-bottom: none; padding: 12px 8px; }
  .hero-stat:last-child { border-right: none; }
  /* Hide scroll hint on mobile — it overlaps the stats bar */
  .hero-scroll-hint { display: none; }
  /* About */
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  /* Timeline */
  .timeline::before { left: 16px; }
  .timeline::after { left: 16px; }
  .tl-item { width: 100%; padding-left: 48px !important; padding-right: 0 !important; margin-left: 0 !important; justify-content: flex-start !important; }
  .tl-left .tl-card::after { left: -37px; right: auto; }
  .tl-right .tl-card::before { left: -37px; }
  /* Projects / Contact / Footer */
  .projects-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; gap: 32px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .section-title { margin-bottom: 36px; }
}
@media (max-width: 480px) {
  .hero-glow-wrap, .hero-img-circle { width: 160px; height: 160px; }
  /* Stats bar stays as a row of 3 on small phones too, just smaller text */
  .hero-stats-bar { padding: 16px 0 20px; }
  .hero-stat { padding: 8px 4px; }
  .stat-n { font-size: 1.5rem; }
  .stat-l { font-size: 0.65rem; }
  .hero-cta { flex-direction: column; align-items: center; width: 100%; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .courses-grid { grid-template-columns: 1fr; }
  /* Tighten section padding on very small screens */
  .section { padding: 64px 0; }
  .container { padding: 0 16px; }
}