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

:root {
  --navy: #1D3557;
  --navy-light: #2a4a78;
  --orange: #F95738;
  --orange-hover: #e04a2e;
  --gold: #F4D35E;
  --gold-light: #f7df80;
  --blue: #004FFF;
  --white: #FFFFFF;
  --off-white: #f8f6f3;
  --gray-100: #f0f0f0;
  --gray-200: #e0e0e0;
  --gray-400: #9ca3af;
  --gray-600: #6b7280;
  --gray-800: #1f2937;
  --dark-bg: #0f1d30;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Onest', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--white);
  color: var(--gray-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 600;
  font-size: 15px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn--primary {
  background: var(--orange);
  color: var(--white);
  border-color: var(--orange);
}
.btn--primary:hover {
  background: var(--orange-hover);
  border-color: var(--orange-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(249, 87, 56, 0.35);
}

.btn--ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.3);
}
.btn--ghost:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.08);
}

.btn--lg { padding: 14px 36px; font-size: 16px; }

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

.section--dark {
  background: var(--navy);
  color: var(--white);
}

.section__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section__label {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--orange);
  margin-bottom: 12px;
}

.section--dark .section__label { color: var(--gold); }

.section__title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section__desc {
  font-size: 17px;
  color: var(--gray-600);
  line-height: 1.7;
}

.section--dark .section__desc { color: rgba(255,255,255,0.7); }

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(29, 53, 87, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--white);
}

.nav__logo-icon { width: 28px; height: 28px; }

.nav__logo-accent { color: var(--orange); }

.nav__links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav__links a {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  transition: var(--transition);
}

.nav__links a:hover { color: var(--white); }

.nav__cta { display: none; }

@media (min-width: 768px) {
  .nav__cta { display: inline-flex; }
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

@media (max-width: 767px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; }
  .nav__links--open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--navy);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--navy);
  color: var(--white);
  overflow: hidden;
  padding-top: 68px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(249, 87, 56, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(0, 79, 255, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(244, 211, 94, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
  padding: 60px 24px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
  background: rgba(244, 211, 94, 0.1);
  border: 1px solid rgba(244, 211, 94, 0.2);
  padding: 8px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero__title {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
}

.text-accent { color: var(--orange); }
.text-muted { color: rgba(255,255,255,0.5); }

.hero__subtitle {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255,255,255,0.7);
  max-width: 520px;
  margin-bottom: 36px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero__tools-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(255,255,255,0.4);
  margin-bottom: 12px;
  display: block;
}

.hero__tools-icons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tool-badge {
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.8);
}

/* Hero Visual */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.flow-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 40px 32px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  position: relative;
}

.flow-node {
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  min-width: 100px;
}

.flow-node--start {
  background: rgba(0, 79, 255, 0.2);
  border: 1px solid rgba(0, 79, 255, 0.3);
  color: var(--blue);
}

.flow-node--process {
  background: rgba(249, 87, 56, 0.15);
  border: 1px solid rgba(249, 87, 56, 0.25);
  color: var(--orange);
}

.flow-node--end {
  background: rgba(244, 211, 94, 0.15);
  border: 1px solid rgba(244, 211, 94, 0.25);
  color: var(--gold);
}

.flow-line {
  width: 2px;
  height: 20px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.15), rgba(255,255,255,0.05));
}

@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__subtitle { margin: 0 auto 36px; }
  .hero__actions { justify-content: center; }
  .hero__tools-icons { justify-content: center; }
  .hero__visual { display: none; }
}

/* ===== PROJECTS GRID ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.project-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
  position: relative;
}

.project-card:hover {
  border-color: var(--orange);
  box-shadow: 0 8px 30px rgba(249, 87, 56, 0.08);
  transform: translateY(-4px);
}

.project-card--featured {
  border-color: var(--gold);
  background: linear-gradient(135deg, rgba(244, 211, 94, 0.04), transparent);
}

.project-card--featured:hover {
  border-color: var(--orange);
  box-shadow: 0 8px 30px rgba(244, 211, 94, 0.12);
}

.project-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.project-card__week {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gray-400);
}

.project-card__week--bonus {
  color: var(--orange);
  background: rgba(249, 87, 56, 0.1);
  padding: 2px 10px;
  border-radius: 100px;
}

.project-card__icon {
  font-size: 28px;
  line-height: 1;
}

.project-card__title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--navy);
}

.project-card__desc {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 20px;
}

.project-card__tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tag {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  background: var(--gray-100);
  color: var(--gray-600);
}

/* ===== ACCORDION ===== */
.accordion {
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.accordion:first-child { border-top: 1px solid rgba(255,255,255,0.1); }

.accordion__trigger {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  color: var(--white);
  text-align: left;
  transition: var(--transition);
}

.accordion__trigger:hover { opacity: 0.85; }

.accordion__num {
  font-size: 14px;
  font-weight: 700;
  color: var(--gold);
  min-width: 32px;
}

.accordion__num--bonus {
  color: var(--orange);
  font-size: 18px;
}

.accordion__title {
  flex: 1;
  font-size: 17px;
  font-weight: 600;
}

.accordion__meta {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  white-space: nowrap;
  display: none;
}

@media (min-width: 640px) {
  .accordion__meta { display: block; }
}

.accordion__chevron {
  width: 20px;
  height: 20px;
  position: relative;
  transition: var(--transition);
  flex-shrink: 0;
}

.accordion__chevron::before,
.accordion__chevron::after {
  content: '';
  position: absolute;
  background: var(--white);
  border-radius: 2px;
  top: 50%;
  left: 50%;
  transition: var(--transition);
}

.accordion__chevron::before {
  width: 2px;
  height: 14px;
  transform: translate(-50%, -50%);
}

.accordion__chevron::after {
  width: 14px;
  height: 2px;
  transform: translate(-50%, -50%);
}

[aria-expanded="true"] .accordion__chevron::before {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.accordion__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.accordion__body {
  padding: 0 0 24px 48px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255,255,255,0.75);
}

.accordion__body p { margin-bottom: 12px; }
.accordion__body p:last-child { margin-bottom: 0; }

.accordion__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}

.accordion__list li {
  padding-left: 20px;
  position: relative;
}

.accordion__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.5;
}

/* ===== WHY GRID ===== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.why-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.why-card:hover {
  border-color: var(--orange);
  box-shadow: 0 8px 30px rgba(249, 87, 56, 0.06);
}

.why-card__icon {
  font-size: 36px;
  margin-bottom: 16px;
}

.why-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}

.why-card__desc {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ===== PREREQS ===== */
.prereqs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.prereq-card {
  text-align: center;
  padding: 32px 20px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
}

.prereq-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.15);
}

.prereq-card__icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 16px;
  color: var(--gold);
}

.prereq-card h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.prereq-card p {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

/* ===== AUDIENCE ===== */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.audience-card {
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.audience-card:hover {
  border-color: var(--orange);
  box-shadow: 0 8px 30px rgba(249, 87, 56, 0.06);
}

.audience-card__num {
  font-size: 32px;
  font-weight: 800;
  color: var(--orange);
  opacity: 0.3;
  margin-bottom: 12px;
}

.audience-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}

.audience-card p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ===== CTA ===== */
.cta {
  background: linear-gradient(135deg, var(--navy), var(--dark-bg));
  color: var(--white);
  text-align: center;
}

.cta__inner {
  max-width: 600px;
  margin: 0 auto;
}

.cta__title {
  font-size: clamp(32px, 5vw, 44px);
  font-weight: 800;
  margin-bottom: 16px;
}

.cta__desc {
  font-size: 17px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 32px;
}

.cta__small {
  margin-top: 20px;
  font-size: 14px;
  color: rgba(255,255,255,0.4);
}

.cta__small a {
  color: var(--gold);
  text-decoration: underline;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--dark-bg);
  color: var(--white);
  padding: 60px 0 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer__logo {
  width: 32px;
  height: 32px;
  margin-bottom: 16px;
}

.footer__brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  max-width: 360px;
}

.footer__links h4 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gold);
  margin-bottom: 16px;
}

.footer__links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}

.footer__links a:hover { color: var(--white); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 20px 0;
}

.footer__bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.3);
}

@media (max-width: 768px) {
  .footer__inner { grid-template-columns: 1fr; }
}

/* ===== ANIMATIONS ===== */
@media (prefers-reduced-motion: no-preference) {
  .fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .fade-in.visible {
    opacity: 1;
    transform: translateY(0);
  }
}