/* ===== VARIABLES ===== */
:root {
  --blue: #3B6FE8;
  --blue-light: #5B87FF;
  --blue-dim: #EEF3FF;
  --blue-dark: #1A3FA0;
  --black: #0D0D0D;
  --gray-900: #1A1A1A;
  --gray-700: #3D3D3D;
  --gray-500: #7A7A7A;
  --gray-300: #C8C8C8;
  --gray-100: #F3F4F6;
  --white: #FFFFFF;
  --border: #E4E8F2;
  --font-display: 'Sora', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(59, 111, 232, 0.10);
  --shadow-lg: 0 16px 60px rgba(59, 111, 232, 0.15);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--black);
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }

/* ===== UTILITIES ===== */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 28px;
}
.accent { color: var(--blue); }
.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--blue-dim);
  border: 1px solid rgba(59,111,232,0.2);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  color: var(--black);
  margin-bottom: 52px;
  line-height: 1.2;
}

/* ===== REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  background: var(--blue);
  padding: 13px 28px;
  border-radius: 100px;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(59,111,232,0.3);
}
.btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(59,111,232,0.35);
}
.btn-ghost {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--blue);
  background: transparent;
  padding: 13px 28px;
  border-radius: 100px;
  border: 1.5px solid var(--blue);
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.btn-ghost:hover {
  background: var(--blue-dim);
  transform: translateY(-2px);
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}
.nav.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.07); }
.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 28px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
}
.logo-foody { color: var(--black); }
.logo-geu { color: var(--blue); }
.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}
.nav-links a {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-700);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--blue); }
.nav-links .nav-cta {
  color: var(--white);
  background: var(--blue);
  padding: 8px 20px;
  border-radius: 100px;
  font-weight: 600;
  transition: background 0.2s, transform 0.2s;
}
.nav-links .nav-cta:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
  color: var(--white);
}
.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(--black);
  border-radius: 2px;
  transition: all 0.3s;
}
.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 12px 28px 20px;
  border-top: 1px solid var(--border);
  gap: 16px;
}
.mobile-menu a {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--gray-700);
}
.mobile-menu.open { display: flex; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  padding-top: 100px;
  padding-bottom: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,111,232,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,111,232,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.hero-blob {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
}
.blob-1 {
  width: 480px; height: 480px;
  background: rgba(59,111,232,0.10);
  top: -120px; right: -80px;
}
.blob-2 {
  width: 360px; height: 360px;
  background: rgba(59,111,232,0.06);
  bottom: -60px; left: -60px;
}
.hero-content {
  max-width: 540px;
  z-index: 1;
  padding: 0 28px;
}
.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--blue-dim);
  border: 1px solid rgba(59,111,232,0.25);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--black);
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 36px;
  font-weight: 300;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
}

/* ===== PHONE MOCKUP ===== */
.hero-mockup {
  z-index: 1;
  flex-shrink: 0;
  padding: 0 28px;
}
.phone-frame {
  width: 240px;
  background: var(--white);
  border-radius: 36px;
  border: 2px solid var(--border);
  box-shadow:
    0 0 0 8px rgba(0,0,0,0.04),
    0 32px 80px rgba(59,111,232,0.18),
    0 8px 24px rgba(0,0,0,0.08);
  overflow: hidden;
  position: relative;
  padding: 40px 16px 20px;
}
.phone-notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 72px;
  height: 20px;
  background: var(--black);
  border-radius: 100px;
}
.phone-screen { display: flex; flex-direction: column; gap: 8px; }
.mock-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}
.mock-logo {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--black);
}
.mock-logo b { color: var(--blue); }
.mock-cred {
  font-size: 0.65rem;
  color: var(--gray-500);
  font-family: var(--font-display);
}
.mock-greeting {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 4px;
}
.mock-section-label {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 4px;
  font-family: var(--font-display);
}
.mock-meal-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
}
.mock-meal-name {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--black);
}
.mock-meal-time {
  font-size: 0.6rem;
  color: var(--gray-500);
  margin-top: 1px;
}
.mock-qr {
  width: 26px; height: 26px;
  background: var(--gray-300);
  border-radius: 6px;
  flex-shrink: 0;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(0,0,0,0.15) 0px,
    rgba(0,0,0,0.15) 2px,
    transparent 2px,
    transparent 4px
  ),
  repeating-linear-gradient(
    90deg,
    rgba(0,0,0,0.15) 0px,
    rgba(0,0,0,0.15) 2px,
    transparent 2px,
    transparent 4px
  );
}
.mock-qr.active {
  background-color: var(--blue);
  background-image: repeating-linear-gradient(
    0deg,
    rgba(255,255,255,0.2) 0px,
    rgba(255,255,255,0.2) 2px,
    transparent 2px,
    transparent 4px
  ),
  repeating-linear-gradient(
    90deg,
    rgba(255,255,255,0.2) 0px,
    rgba(255,255,255,0.2) 2px,
    transparent 2px,
    transparent 4px
  );
}

/* ===== OVERVIEW ===== */
.overview {
  padding: 100px 0;
  background: var(--white);
}
.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.overview-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
  color: var(--black);
}
.overview-text p {
  color: var(--gray-500);
  margin-bottom: 16px;
  font-size: 1rem;
  line-height: 1.75;
}
.overview-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.stat-card {
  background: var(--gray-100);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 0.82rem;
  color: var(--gray-500);
  font-weight: 400;
}

/* ===== FEATURES ===== */
.features {
  padding: 100px 0;
  background: var(--gray-100);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.feat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(59,111,232,0.3);
}
.feat-icon {
  font-size: 1.8rem;
  margin-bottom: 16px;
  display: block;
}
.feat-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 10px;
}
.feat-card p {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ===== UX SECTION ===== */
.ux-section {
  padding: 100px 0;
  background: var(--white);
}
.ux-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.ux-book-frame {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px 24px;
  box-shadow: var(--shadow-lg);
  max-width: 320px;
}
.ux-book-header {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.ux-book-item {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 8px;
  background: var(--gray-100);
  transition: background 0.2s;
}
.ux-book-item.highlight {
  background: var(--blue-dim);
  border: 1px solid rgba(59,111,232,0.2);
}
.ux-icon { font-size: 1.2rem; flex-shrink: 0; }
.ux-mname {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--black);
}
.ux-mtime { font-size: 0.72rem; color: var(--gray-500); margin-top: 2px; }
.ux-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 32px;
  color: var(--black);
}
.ux-point {
  display: flex;
  gap: 16px;
  margin-bottom: 22px;
  font-size: 0.95rem;
  color: var(--gray-700);
  line-height: 1.65;
}
.ux-dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  background: var(--blue);
  border-radius: 50%;
  margin-top: 8px;
}
.ux-point strong { color: var(--black); font-weight: 600; }

/* ===== USE CASES ===== */
.use-cases {
  padding: 100px 0;
  background: var(--gray-100);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.case-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}
.case-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 0;
  background: var(--blue);
  border-radius: 0 0 4px 4px;
  transition: height 0.3s;
}
.case-card:hover::after { height: 100%; border-radius: 0; }
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.case-number {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--blue);
  margin-bottom: 12px;
}
.case-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 10px;
}
.case-card p {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ===== CAMPUS ===== */
.campus {
  padding: 100px 0;
  background: var(--white);
}
.campus-inner {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.campus-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 2.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--black);
  margin-bottom: 18px;
  max-width: 560px;
}
.campus-text p {
  font-size: 0.98rem;
  color: var(--gray-500);
  line-height: 1.75;
  max-width: 600px;
  margin-bottom: 14px;
}
.campus-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.pill {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--gray-700);
  background: var(--gray-100);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 100px;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s;
}
.pill:hover {
  background: var(--blue-dim);
  color: var(--blue);
  border-color: rgba(59,111,232,0.3);
  transform: translateY(-2px);
}

/* ===== CTA ===== */
.cta-section {
  padding: 80px 0;
  background: var(--blue);
}
.cta-inner {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}
.cta-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.15;
}
.cta-inner p {
  color: rgba(255,255,255,0.75);
  margin-bottom: 32px;
  font-size: 1rem;
  line-height: 1.7;
}
.cta-inner .btn-primary {
  background: var(--white);
  color: var(--blue);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.cta-inner .btn-primary:hover {
  background: var(--blue-dim);
  color: var(--blue-dark);
}

/* ===== CONTACT ===== */
.contact {
  padding: 100px 0;
  background: var(--gray-100);
  border-top: 1px solid var(--border);
}
.contact-sub {
  color: var(--gray-500);
  font-size: 1rem;
  margin-bottom: 48px;
  margin-top: -28px;
  max-width: 480px;
}
.contact-cards {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.contact-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  flex: 1;
  min-width: 280px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.contact-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.contact-avatar {
  width: 52px; height: 52px;
  background: var(--blue);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  flex-shrink: 0;
}
.contact-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 4px;
}
.contact-role {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-bottom: 10px;
}
.contact-email {
  font-size: 0.82rem;
  color: var(--blue);
  font-weight: 500;
  transition: color 0.2s;
}
.contact-email:hover { color: var(--blue-dark); text-decoration: underline; }

/* ===== FOOTER ===== */
.footer {
  padding: 40px 0;
  background: var(--black);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}
.footer .logo-foody { color: var(--white); }
.footer .logo-geu { color: var(--blue-light); }
.footer-tagline {
  color: rgba(255,255,255,0.4);
  font-size: 0.82rem;
}
.footer-copy {
  color: rgba(255,255,255,0.25);
  font-size: 0.75rem;
}

/* ===== HERO LAYOUT ===== */
.hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  padding-left: max(28px, calc((100vw - 1120px) / 2 + 28px));
  padding-right: max(28px, calc((100vw - 1120px) / 2 + 28px));
}
.hero-bg-grid, .hero-blob { grid-column: 1 / -1; grid-row: 1; }
.hero-content { align-self: center; }
.hero-mockup { align-self: center; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 120px;
    padding-bottom: 60px;
  }
  .hero-actions { justify-content: center; }
  .hero-mockup { justify-self: center; }
  .overview-grid { grid-template-columns: 1fr; gap: 40px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .ux-grid { grid-template-columns: 1fr; gap: 48px; }
  .ux-book-frame { max-width: 100%; }
  .cases-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 2rem; }
  .contact-cards { flex-direction: column; }
  .overview-stats { grid-template-columns: 1fr 1fr; }
}