@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Fraunces:ital,wght@0,300;0,700;0,900;1,300;1,700&display=swap');

/* ============================================
   DESIGN TOKENS
   ============================================ */
:root {
  --clr-bg:        #F8F7F4;
  --clr-surface:   #FFFFFF;
  --clr-border:    #E8E5DF;
  --clr-accent:    #1A6B5A;
  --clr-accent-lt: #E8F4F0;
  --clr-accent-2:  #D4A853;
  --clr-text:      #1C1C1C;
  --clr-muted:     #6B6860;
  --clr-dark:      #141414;

  --ff-display: 'Fraunces', Georgia, serif;
  --ff-body:    'DM Sans', sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --radius-xl: 40px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);

  --nav-h: 72px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--ff-body);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  padding-top: var(--nav-h);
}

img { display: block; max-width: 100%; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  width: min(90%, 1160px);
  margin-inline: auto;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(248, 247, 244, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
  z-index: 1000;
  transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-md); }

.navbar .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--clr-dark);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 6px;
}
.logo span { color: var(--clr-accent); }
.logo .math-icon {
  font-size: 1.1rem;
  color: var(--clr-accent);
  transition: transform var(--transition);
}
.logo:hover .math-icon { transform: rotate(-12deg) scale(1.15); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-btn {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-muted);
  padding: 8px 16px;
  border-radius: 100px;
  transition: var(--transition);
}
.nav-btn:hover { color: var(--clr-text); background: var(--clr-border); }

.nav-btn.highlight {
  color: var(--clr-accent);
  border: 1.5px solid var(--clr-accent);
}
.nav-btn.highlight:hover { background: var(--clr-accent); color: #fff; }

.nav-btn.contact-btn {
  background: var(--clr-accent);
  color: #fff;
  font-weight: 600;
}
.nav-btn.contact-btn:hover { background: #145448; }

.nav-btn.student-btn {
  color: var(--clr-accent);
  font-weight: 600;
}
.nav-btn.student-btn:hover { background: var(--clr-accent-lt); color: var(--clr-accent); }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--clr-text);
  font-size: 1.4rem;
}

/* ============================================
   FLOATING SOCIALS
   ============================================ */
.floating-socials {
  position: fixed;
  bottom: 32px;
  right: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}
.float-btn {
  width: 52px; height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.3rem;
  box-shadow: 0 4px 16px rgba(0,0,0,0.18);
  transition: transform var(--transition), box-shadow var(--transition);
}
.float-btn:hover { transform: translateY(-4px) scale(1.08); box-shadow: 0 8px 24px rgba(0,0,0,0.22); color: #fff; }
.wp-btn { background: #25D366; }
.ig-btn { background: linear-gradient(135deg, #f09433, #dc2743, #bc1888); }

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: calc(100vh - var(--nav-h));
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--clr-accent-lt) 0%, transparent 70%);
  pointer-events: none;
}

.hero-text { position: relative; z-index: 1; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--clr-accent-lt);
  color: var(--clr-accent);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.hero-badge i { font-size: 0.75rem; }

.hero-text h1 {
  font-family: var(--ff-display);
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--clr-dark);
  margin-bottom: 20px;
}
.hero-text h1 em {
  font-style: italic;
  color: var(--clr-accent);
}

.hero-text p {
  font-size: 1.1rem;
  color: var(--clr-muted);
  max-width: 440px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--clr-accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: 100px;
  transition: var(--transition);
  border: 2px solid var(--clr-accent);
}
.btn-primary:hover { background: #145448; border-color: #145448; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(26,107,90,0.3); color: #fff; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--clr-text);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: 100px;
  border: 2px solid var(--clr-border);
  transition: var(--transition);
}
.btn-secondary:hover { border-color: var(--clr-text); background: var(--clr-text); color: #fff; transform: translateY(-2px); }

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid var(--clr-border);
}
.stat-item { }
.stat-num {
  font-family: var(--ff-display);
  font-size: 2rem;
  font-weight: 900;
  color: var(--clr-accent);
  line-height: 1;
}
.stat-label {
  font-size: 0.82rem;
  color: var(--clr-muted);
  margin-top: 4px;
  font-weight: 500;
}

/* Hero Image */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-end;
}

.hero-img-wrap {
  position: relative;
  width: 380px;
  height: 480px;
}

.hero-img-bg {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl) var(--radius-xl) var(--radius-xl) 60px;
  background: linear-gradient(145deg, var(--clr-accent-lt), #C9EAE3);
  z-index: 0;
}

.hero-img-wrap img {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 340px;
  height: 460px;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--radius-xl) var(--radius-xl) var(--radius-xl) 60px;
  z-index: 1;
  box-shadow: var(--shadow-lg);
}

.hero-card {
  position: absolute;
  background: var(--clr-surface);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  box-shadow: var(--shadow-lg);
  z-index: 2;
  white-space: nowrap;
  border: 1px solid var(--clr-border);
}
.hero-card-left {
  bottom: 80px;
  left: -40px;
}
.hero-card-right {
  top: 60px;
  right: -40px;
}
.hero-card .card-icon {
  font-size: 1.4rem;
  margin-bottom: 4px;
}
.hero-card .card-label {
  font-size: 0.72rem;
  color: var(--clr-muted);
  font-weight: 500;
}
.hero-card .card-val {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--clr-text);
}

/* ============================================
   SECTION SHARED
   ============================================ */
section { padding: 100px 0; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--clr-accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-label::before {
  content: '';
  display: block;
  width: 24px; height: 2px;
  background: var(--clr-accent);
}

.section-title {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--clr-dark);
  margin-bottom: 16px;
}
.section-title em { font-style: italic; color: var(--clr-accent); }

.section-sub {
  font-size: 1rem;
  color: var(--clr-muted);
  max-width: 520px;
  line-height: 1.7;
}

/* ============================================
   ABOUT
   ============================================ */
.about { background: var(--clr-surface); }

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-img-wrap {
  position: relative;
}

.about-img-main {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  object-position: top;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.about-img-deco {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 140px;
  height: 140px;
  border-radius: var(--radius-md);
  background: var(--clr-accent);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.about-img-deco .deco-num {
  font-family: var(--ff-display);
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1;
}
.about-img-deco .deco-lbl {
  font-size: 0.75rem;
  font-weight: 600;
  text-align: center;
  opacity: 0.9;
  margin-top: 4px;
}

.about-content { }

.about-text {
  font-size: 1.05rem;
  color: var(--clr-muted);
  line-height: 1.8;
  white-space: pre-line;
  margin-bottom: 36px;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.about-tag {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--clr-text);
  display: flex;
  align-items: center;
  gap: 6px;
}
.about-tag i { color: var(--clr-accent); }

/* ============================================
   SERVICES
   ============================================ */
.services { background: var(--clr-bg); }

.services-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 56px;
  gap: 40px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* Feature Cards (top 2) */
.service-card {
  background: var(--clr-surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--clr-border);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card.featured {
  background: var(--clr-dark);
  color: #fff;
  border-color: transparent;
  grid-column: span 1;
}
.service-card.featured .card-tag { background: rgba(255,255,255,0.12); color: rgba(255,255,255,0.7); }
.service-card.featured .card-title { color: #fff; }
.service-card.featured .card-desc { color: rgba(255,255,255,0.6); }
.service-card.featured .card-icon-wrap { background: rgba(255,255,255,0.1); color: #fff; }
.service-card.featured .card-list li { color: rgba(255,255,255,0.75); }
.service-card.featured .card-list li::before { color: var(--clr-accent-2); }

.service-card.accent-card {
  background: var(--clr-accent);
  border-color: transparent;
  color: #fff;
}
.service-card.accent-card .card-tag { background: rgba(255,255,255,0.15); color: rgba(255,255,255,0.8); }
.service-card.accent-card .card-title { color: #fff; }
.service-card.accent-card .card-desc { color: rgba(255,255,255,0.75); }
.service-card.accent-card .card-icon-wrap { background: rgba(255,255,255,0.15); color: #fff; }

.card-icon-wrap {
  width: 52px; height: 52px;
  background: var(--clr-accent-lt);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--clr-accent);
  margin-bottom: 20px;
  flex-shrink: 0;
}
.card-icon-wrap.emoji { font-size: 1.6rem; background: var(--clr-bg); }

.card-tag {
  display: inline-block;
  background: var(--clr-accent-lt);
  color: var(--clr-accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
  margin-bottom: 12px;
  align-self: flex-start;
}

.card-title {
  font-family: var(--ff-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--clr-dark);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--clr-muted);
  line-height: 1.65;
  margin-bottom: 20px;
}

.card-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}
.card-list li {
  font-size: 0.87rem;
  color: var(--clr-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-list li::before {
  content: "\f058";
  font-family: "Font Awesome 6 Free";
  font-weight: 400;
  color: var(--clr-accent);
  font-size: 0.9rem;
  flex-shrink: 0;
}

.card-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--clr-accent);
  font-size: 0.87rem;
  font-weight: 600;
  transition: gap var(--transition);
}
.card-link:hover { gap: 10px; }
.service-card.featured .card-link,
.service-card.accent-card .card-link { color: rgba(255,255,255,0.9); }

/* ============================================
   CONTACT
   ============================================ */
.contact-section { background: var(--clr-surface); }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.contact-info { }
.contact-info .section-sub { margin-bottom: 40px; }

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--clr-bg);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
}
.contact-card-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: var(--clr-accent-lt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent);
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-card-lbl {
  font-size: 0.78rem;
  color: var(--clr-muted);
  font-weight: 500;
  margin-bottom: 2px;
}
.contact-card-val {
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--clr-text);
}

.contact-form-wrap {
  background: var(--clr-bg);
  border-radius: var(--radius-xl);
  padding: 40px;
  border: 1px solid var(--clr-border);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--clr-text);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm);
  font-family: var(--ff-body);
  font-size: 0.9rem;
  color: var(--clr-text);
  background: var(--clr-surface);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(26,107,90,0.1);
}
.form-group textarea { resize: vertical; min-height: 130px; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--clr-dark);
  color: rgba(255,255,255,0.5);
  padding: 48px 0 32px;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer .logo { color: #fff; }
.footer-copy { font-size: 0.85rem; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 0.85rem; color: rgba(255,255,255,0.4); transition: color var(--transition); }
.footer-links a:hover { color: var(--clr-accent); }

/* ============================================
   REVEAL ANIMATION
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.active { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; padding: 60px 0; }
  .hero-visual { display: none; }
  .hero-text h1 { font-size: 3rem; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .about-img-wrap { max-width: 400px; }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  :root { --nav-h: 64px; }

  .menu-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--clr-surface);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    border-bottom: 1px solid var(--clr-border);
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-btn { text-align: center; }

  .hero-text h1 { font-size: 2.4rem; }
  .hero-btns { flex-direction: column; }
  .btn-primary, .btn-secondary { justify-content: center; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }

  .services-grid { grid-template-columns: 1fr; }
  .services-header { flex-direction: column; align-items: flex-start; }

  .contact-form-wrap { padding: 24px; }
  .form-row { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; text-align: center; }

  .floating-socials { bottom: 20px; right: 20px; }
  .float-btn { width: 46px; height: 46px; font-size: 1.1rem; }
}