/* palette: navy-gold */
:root {
  --primary-color: #0A2342;
  --secondary-color: #1B3A6B;
  --accent-color: #C9A227;
  --background-color: #F4F8FF;
  --dark-color: #111111;
  --text-color: #333333;
  --border-color: rgba(0,0,0,0.12);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.16);
  --radius-sm: 6px; 
  --radius-md: 12px; 
  --radius-lg: 20px; 
  --radius-xl: 32px;
  --main-font: 'Nunito', sans-serif;
  --alt-font: 'Noto Sans', sans-serif;
}

/* Base resets & typography */
body {
  font-family: var(--alt-font);
  color: var(--text-color);
  background-color: var(--background-color);
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, .kicker {
  font-family: var(--main-font);
  color: var(--primary-color);
}

h1 {
  font-size: clamp(32px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.1;
}

h2 {
  font-size: clamp(24px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.2;
}

h3 {
  font-size: clamp(18px, 2.8vw, 28px);
  font-weight: 600;
}

p {
  font-size: clamp(14px, 1.6vw, 17px);
  line-height: 1.7;
}

/* STARTUP-GRADIENT Specific Rules */
section {
  padding: 72px 16px;
}

@media(min-width:1024px) {
  section {
    padding: 80px 24px;
  }
}

h1 .grad {
  background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn-primary {
  box-shadow: 0 0 30px color-mix(in srgb, var(--accent-color) 50%, transparent);
}

.icon-bg {
  background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
  border-radius: 12px;
  padding: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

hr {
  border: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
  margin: 40px 0;
}

/* Header & Menu CSS-only */
header {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  position: relative;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
}

.logo img {
  height: 40px;
  width: auto;
}

.burger-btn {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
  z-index: 110;
}

.burger-btn .bar {
  height: 2px;
  width: 100%;
  background-color: var(--primary-color);
  transition: all 0.3s ease;
}

.site-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--secondary-color);
  z-index: 99;
  padding: 24px;
  box-shadow: var(--shadow-md);
}

.site-nav ul {
  display: flex;
  flex-direction: column;
  gap: 16px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-nav a {
  color: #ffffff;
  font-weight: 600;
  text-decoration: none;
  font-size: 1.1rem;
}

#menu-toggle:checked ~ .site-nav {
  display: block;
}

#menu-toggle:checked ~ .burger-btn .bar:first-child {
  transform: translateY(8px) rotate(45deg);
}

#menu-toggle:checked ~ .burger-btn .bar:nth-child(2) {
  opacity: 0;
}

#menu-toggle:checked ~ .burger-btn .bar:last-child {
  transform: translateY(-8px) rotate(-45deg);
}

@media (min-width: 768px) {
  .burger-btn {
    display: none;
  }
  .site-nav {
    display: flex !important;
    position: static;
    background: transparent;
    padding: 0;
    box-shadow: none;
  }
  .site-nav ul {
    flex-direction: row;
    gap: 24px;
  }
  .site-nav a {
    color: var(--primary-color);
    font-size: 1rem;
  }
  .site-nav a:hover {
    color: var(--accent-color);
  }
}

/* Hero Section: layered-depth */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 64px 24px;
}

.hero-layer-1 {
  position: absolute;
  inset: 0;
  background-image: url('./img/bg.jpg');
  background-size: cover;
  background-position: center;
  filter: blur(4px) brightness(0.5);
  z-index: 1;
}

.hero-layer-2 {
  position: absolute;
  inset: 0;
  clip-path: polygon(0 12%, 100% 0, 100% 88%, 0 100%);
  background: var(--primary-color);
  opacity: 0.55;
  z-index: 2;
}

.hero-layer-3 {
  position: relative;
  z-index: 3;
  text-align: center;
  color: #ffffff;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  color: #ffffff;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
  justify-content: center;
  align-items: center;
}

@media (min-width: 640px) {
  .hero-actions {
    flex-direction: row;
  }
}

/* Floating Badge */
.floating-badge {
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-color);
  color: var(--primary-color);
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: var(--shadow-md);
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0) rotate(-2deg); }
  50% { transform: translateX(-50%) translateY(-12px) rotate(1deg); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-family: var(--main-font);
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: transform .15s, box-shadow .15s;
  min-height: 48px;
  text-decoration: none;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--accent-color);
  color: var(--primary-color);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(201, 162, 39, 0.4);
}

.btn-outline {
  border: 2px solid #ffffff;
  color: #ffffff;
  background: transparent;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* Section Kickers */
.kicker {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-color);
  font-weight: 700;
  margin-bottom: 8px;
}

.section-desc {
  max-width: 600px;
  margin: 8px auto 0;
  color: var(--text-color);
  opacity: 0.85;
}

/* Cards & Animations */
.card {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: transform .25s, box-shadow .25s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* Scroll-reveal */
@keyframes reveal-up {
  from { opacity: 0; transform: translateY(32px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  animation: reveal-up linear both;
  animation-timeline: view();
  animation-range: entry 0% entry 30%;
}

.card:nth-child(1){animation-delay:0s}
.card:nth-child(2){animation-delay:.12s}
.card:nth-child(3){animation-delay:.24s}
.card:nth-child(4){animation-delay:.36s}

/* Myth vs Fact Section */
.myth-fact-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-left: 4px solid var(--accent-color);
}

.myth-box {
  background: rgba(239, 68, 68, 0.05);
  border-left: 4px solid #ef4444;
  padding: 16px;
  border-radius: var(--radius-sm);
}

.fact-box {
  background: rgba(34, 197, 94, 0.05);
  border-left: 4px solid #22c55e;
  padding: 16px;
  border-radius: var(--radius-sm);
}

.badge-myth {
  color: #ef4444;
  font-weight: 700;
  font-size: 0.85rem;
  display: block;
  margin-bottom: 4px;
}

.badge-fact {
  color: #22c55e;
  font-weight: 700;
  font-size: 0.85rem;
  display: block;
  margin-bottom: 4px;
}

/* How It Works Section */
.bg-light {
  background-color: #ffffff;
}

.side-img {
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.steps-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.step-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.step-num {
  font-family: var(--main-font);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 900;
  color: var(--accent-color);
  line-height: 1;
}

/* Fact Cards */
.fact-card {
  text-align: center;
  position: relative;
  overflow: hidden;
  border-top: 4px solid var(--accent-color);
}

.fact-num {
  display: block;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--accent-color);
  opacity: 0.4;
  margin-bottom: 8px;
}

/* Checklist Section */
.checklist-grid {
  margin-top: 24px;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: #ffffff;
  padding: 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

/* Expert Quote Section */
.expert-quote-section {
  background: var(--secondary-color);
  color: #ffffff;
  text-align: center;
  position: relative;
}

.expert-quote-section blockquote {
  font-family: var(--main-font);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-style: italic;
  font-weight: 300;
  line-height: 1.5;
  margin-bottom: 24px;
  color: #ffffff;
}

.quote-mark {
  font-size: 6rem;
  color: var(--accent-color);
  opacity: 0.3;
  line-height: 0.8;
  display: block;
  font-family: var(--main-font);
}

.quote-author {
  display: flex;
  flex-direction: column;
}

.quote-author strong {
  font-size: 1.1rem;
  color: var(--accent-color);
}

.quote-author span {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* Contact & FAQ Section */
.contact-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 24px;
}

.contact-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-form-wrapper form input,
.contact-form-wrapper form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--background-color);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

.contact-form-wrapper form input:focus,
.contact-form-wrapper form textarea:focus {
  border-color: var(--accent-color);
}

/* FAQ Open Format */
.faq-item {
  border-left: 4px solid var(--primary-color);
}

.faq-item h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--primary-color);
}

.faq-item p {
  color: var(--text-color);
  opacity: 0.9;
  margin: 0;
}

/* Footer */
footer {
  background: var(--primary-color);
  color: #ffffff;
  padding: 48px 24px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}

footer img[alt="logo"] {
  filter: brightness(0) invert(1);
  height: 40px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: var(--accent-color);
}

.footer-copy {
  font-size: 0.85rem;
  opacity: 0.7;
  margin: 0;
}

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}