/* ============================================================
   THEMELIOS — LANDING PAGE STYLESHEET
   Cor principal: #C96B47
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400;1,500&family=Inter:wght@300;400;500;600;700&display=swap');

/* ── RESET & BASE ───────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --brand:       #C96B47;
  --brand-light: #e08b6a;
  --brand-dark:  #a3522f;
  --cream:       #FAF7F2;
  --cream-dark:  #F0EAE0;
  --stone:       #2C2416;
  --stone-mid:   #4A3D2C;
  --stone-light: #7A6A55;
  --white:       #FFFFFF;

  --ff-display: 'Cormorant Garamond', Georgia, serif;
  --ff-body:    'Inter', system-ui, sans-serif;

  --radius-sm:  6px;
  --radius-md:  14px;
  --radius-lg:  28px;
  --radius-xl:  40px;

  --shadow-card: 0 4px 24px rgba(44, 36, 22, 0.10);
  --shadow-hover: 0 12px 40px rgba(44, 36, 22, 0.18);
  --transition:  all 0.32s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--ff-body);
  background-color: var(--cream);
  color: var(--stone);
  line-height: 1.7;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* ── UTILITIES ──────────────────────────────────────────── */
.container {
  width: 90%;
  max-width: 1100px;
  margin-inline: auto;
}

.section-label {
  display: inline-block;
  font-family: var(--ff-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 1rem;
}

.divider {
  width: 48px;
  height: 3px;
  background: var(--brand);
  border-radius: 2px;
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2.2rem;
  border-radius: var(--radius-xl);
  font-family: var(--ff-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--brand);
  color: var(--white);
  box-shadow: 0 4px 18px rgba(201, 107, 71, 0.35);
}

.btn-primary:hover {
  background: var(--brand-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(201, 107, 71, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  color: var(--brand);
  border: 2px solid var(--brand);
}

.btn-outline:hover {
  background: var(--brand);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--white);
  color: var(--brand);
}

.btn-white:hover {
  background: var(--cream);
  transform: translateY(-2px);
}

/* ── SCROLL REVEAL ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-24px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(24px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Zera o delay após a animação de entrada —
   impede que o stagger afete interações de hover */
.reveal.visible,
.reveal-left.visible,
.reveal-right.visible {
  transition-delay: 0s;
}

/* ── NAVBAR ─────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.2rem 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(250, 247, 242, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 20px rgba(44, 36, 22, 0.08);
  padding: 0.8rem 0;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo img {
  height: 52px;
  width: auto;
}

.nav-cta {
  padding: 0.6rem 1.5rem;
  font-size: 0.85rem;
}

/* ── HERO ────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  background: var(--stone);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 50%, rgba(201, 107, 71, 0.18) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(201, 107, 71, 0.08) 0%, transparent 50%),
    linear-gradient(160deg, #1e180f 0%, #2C2416 50%, #3a2e1c 100%);
  z-index: 0;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 59px,
      rgba(255,255,255,0.025) 60px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 59px,
      rgba(255,255,255,0.025) 60px
    );
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 8rem 0 6rem;
  max-width: 700px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.8rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.2s forwards;
}

.hero-eyebrow span {
  font-family: var(--ff-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brand-light);
}

.hero-eyebrow-line {
  width: 36px;
  height: 1px;
  background: var(--brand-light);
}

.hero h1 {
  font-family: var(--ff-display);
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 600;
  line-height: 1.12;
  color: var(--white);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.4s forwards;
}

.hero h1 em {
  font-style: italic;
  color: var(--brand-light);
}

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.75;
  max-width: 560px;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.6s forwards;
}

.hero-actions {
  opacity: 0;
  animation: fadeUp 0.8s ease 0.8s forwards;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: fadeIn 1s ease 1.4s forwards;
}

.hero-scroll-hint span {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid rgba(255,255,255,0.3);
  border-bottom: 2px solid rgba(255,255,255,0.3);
  transform: rotate(45deg);
  animation: bounce 1.6s ease infinite;
}

/* ── WHY THEOLOGY ────────────────────────────────────────── */
.why-theology {
  padding: 7rem 0;
  background: var(--cream);
}

.why-theology-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.why-theology-text h2 {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--stone);
  margin-bottom: 1.5rem;
}

.why-theology-text p {
  color: var(--stone-light);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}

.why-cards {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.why-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 1.4rem 1.6rem;
  border-left: 4px solid var(--brand);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.why-card:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-hover);
}

.why-card-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--stone);
  margin-bottom: 0.3rem;
}

.why-card p {
  font-size: 0.88rem;
  color: var(--stone-light);
  line-height: 1.6;
}

/* ── FOR WHOM ────────────────────────────────────────────── */
.for-whom {
  padding: 7rem 0;
  background: var(--stone);
  position: relative;
  overflow: hidden;
}

.for-whom::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(201,107,71,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.for-whom-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.for-whom h2 {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 1rem;
}

.for-whom-intro {
  color: rgba(255,255,255,0.65);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 0.5rem;
}

.for-whom-note {
  color: rgba(255,255,255,0.5);
  font-size: 0.88rem;
  font-style: italic;
  margin-top: 1.2rem;
}

.profiles-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.profile-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 1rem 1.2rem;
  transition: var(--transition);
}

.profile-item:hover {
  background: rgba(201,107,71,0.12);
  border-color: rgba(201,107,71,0.3);
}

.profile-check {
  width: 28px;
  height: 28px;
  background: var(--brand);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.75rem;
  color: white;
}

.profile-item span {
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
}

/* ── MODULES ─────────────────────────────────────────────── */
.modules {
  padding: 7rem 0;
  background: var(--cream);
}

.modules-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 4rem;
}

.modules-header h2 {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--stone);
  margin-bottom: 0.8rem;
}

.modules-header p {
  color: var(--stone-light);
  font-size: 1rem;
  line-height: 1.75;
}

.modules-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.module-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(44,36,22,0.06);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.module-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--brand-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.module-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.module-card:hover::before {
  transform: scaleX(1);
}

.module-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--cream);
  border-radius: 50%;
  font-family: var(--ff-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 1.2rem;
}

.module-card h3 {
  font-family: var(--ff-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--stone);
  margin-bottom: 0.4rem;
  line-height: 1.25;
}

.module-tagline {
  font-size: 0.88rem;
  color: var(--brand);
  font-style: italic;
  margin-bottom: 1rem;
  font-family: var(--ff-display);
}

.module-card p {
  font-size: 0.9rem;
  color: var(--stone-light);
  line-height: 1.75;
}

/* ── WHAT YOU GET ────────────────────────────────────────── */
.what-you-get {
  padding: 7rem 0;
  background: var(--cream-dark);
}

.what-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.what-text h2 {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--stone);
  margin-bottom: 1rem;
}

.what-text p {
  color: var(--stone-light);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 2rem;
}

.what-items {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.what-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.4rem;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 12px rgba(44,36,22,0.07);
  transition: var(--transition);
}

.what-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateX(4px);
}

.what-icon {
  width: 36px;
  height: 36px;
  background: rgba(201,107,71,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}

.what-item-text {
  font-size: 0.93rem;
  font-weight: 500;
  color: var(--stone);
}

/* ── DIFFERENTIALS ──────────────────────────────────────── */
.differentials {
  padding: 7rem 0;
  background: var(--white);
}

.differentials h2 {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--stone);
  max-width: 600px;
  margin-bottom: 0.8rem;
}

.differentials-lead {
  color: var(--stone-light);
  max-width: 640px;
  line-height: 1.75;
  margin-bottom: 3.5rem;
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.diff-card {
  padding: 2rem;
  border-radius: var(--radius-md);
  background: var(--cream);
  border: 1px solid rgba(44,36,22,0.06);
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.diff-card:hover {
  background: var(--brand);
  border-color: var(--brand);
}

.diff-card:hover .diff-card-title,
.diff-card:hover p {
  color: var(--white);
}

.diff-card:hover .diff-icon {
  background: rgba(255,255,255,0.2);
}

.diff-icon {
  width: 48px;
  height: 48px;
  background: rgba(201,107,71,0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1.2rem;
  transition: background 0.15s ease;
}

.diff-card-title {
  font-weight: 600;
  font-size: 1rem;
  color: var(--stone);
  margin-bottom: 0.5rem;
  transition: color 0.15s ease;
}

.diff-card p {
  font-size: 0.88rem;
  color: var(--stone-light);
  line-height: 1.65;
  transition: color 0.15s ease;
}

/* ── PROFESSORS ──────────────────────────────────────────── */
.professors {
  padding: 7rem 0;
  background: var(--cream);
}

.professors-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 4rem;
}

.professors-header h2 {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--stone);
  margin-bottom: 0.8rem;
}

.professors-header p {
  color: var(--stone-light);
  line-height: 1.75;
}

.professors-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
}

.professor-card {
  flex: 0 0 calc(33.333% - 1rem);
  max-width: calc(33.333% - 1rem);
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
}

.professor-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.professor-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: top center;
  background: var(--cream-dark);
}

.professor-photo-placeholder {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, var(--cream-dark), var(--cream));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  border-bottom: 1px solid rgba(44,36,22,0.06);
}

.professor-photo-placeholder svg {
  opacity: 0.3;
}

.professor-photo-placeholder span {
  font-size: 0.75rem;
  color: var(--stone-light);
  font-style: italic;
}

.professor-info {
  padding: 1.4rem 1.6rem 1.8rem;
}

.professor-name {
  font-family: var(--ff-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--stone);
  margin-bottom: 0.25rem;
}

.professor-role {
  font-size: 0.82rem;
  color: var(--brand);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ── RESULTS ─────────────────────────────────────────────── */
.results {
  padding: 7rem 0;
  background: var(--stone);
  position: relative;
  overflow: hidden;
}

.results::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(201,107,71,0.08) 0%, transparent 65%);
  pointer-events: none;
}

.results h2 {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--white);
  max-width: 600px;
  margin-bottom: 3rem;
}

.results-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.result-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.4rem 1.6rem;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.07);
  transition: var(--transition);
}

.result-item:hover {
  background: rgba(201,107,71,0.1);
  border-color: rgba(201,107,71,0.25);
}

.result-dot {
  width: 8px;
  height: 8px;
  background: var(--brand);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 0.55rem;
}

.result-item p {
  font-size: 0.93rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.65;
}

/* ── WHY THEMELIOS ───────────────────────────────────────── */
.why-themelios {
  padding: 7rem 0;
  background: var(--white);
}

.why-themelios-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}

.themelios-logo-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
}

.themelios-logo-block img {
  max-width: 280px;
}

.themelios-mission {
  font-family: var(--ff-display);
  font-size: 1.3rem;
  font-style: italic;
  color: var(--stone-light);
  line-height: 1.6;
  border-left: 3px solid var(--brand);
  padding-left: 1.2rem;
}

.why-themelios-text h2 {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--stone);
  margin-bottom: 1.2rem;
}

.why-themelios-text p {
  color: var(--stone-light);
  line-height: 1.8;
  margin-bottom: 1rem;
  font-size: 1rem;
}

/* ── FINAL CTA ───────────────────────────────────────────── */
.final-cta {
  padding: 8rem 0;
  background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand) 60%, var(--brand-light) 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.final-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 39px,
      rgba(255,255,255,0.04) 40px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 39px,
      rgba(255,255,255,0.04) 40px
    );
  pointer-events: none;
}

.final-cta-inner {
  position: relative;
  z-index: 1;
}

.final-cta h2 {
  font-family: var(--ff-display);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 600;
  color: var(--white);
  max-width: 700px;
  margin: 0 auto 1.5rem;
  line-height: 1.2;
}

.final-cta p {
  color: rgba(255,255,255,0.82);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.75;
}

/* ── FOOTER ──────────────────────────────────────────────── */
.footer {
  background: var(--stone);
  padding: 2.5rem 0;
  text-align: center;
}

.footer img {
  height: 48px;
  margin: 0 auto 1rem;
  opacity: 0.5;
}

.footer p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.3);
}

/* ── KEYFRAMES ───────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0) rotate(45deg); }
  50%       { transform: translateY(6px) rotate(45deg); }
}

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .why-theology-inner,
  .for-whom-inner,
  .what-inner,
  .why-themelios-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .modules-grid {
    grid-template-columns: 1fr;
  }

  .diff-grid {
    grid-template-columns: 1fr 1fr;
  }

  .professors-grid .professor-card {
    flex: 0 0 calc(50% - 0.75rem);
    max-width: calc(50% - 0.75rem);
  }

  .results-list {
    grid-template-columns: 1fr;
  }

  .profiles-grid {
    grid-template-columns: 1fr;
  }

  .themelios-logo-block {
    align-items: center;
    text-align: center;
  }

  .themelios-logo-block img {
    margin: 0 auto;
  }
}

@media (max-width: 600px) {
  .diff-grid {
    grid-template-columns: 1fr;
  }

  .professors-grid .professor-card {
    flex: 0 0 100%;
    max-width: 400px;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .nav-cta {
    display: none;
  }
}