* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 60px; }

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--color-primary);
  padding: 0 2rem;
  height: 56px;
  display: flex;
  align-items: center;
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-brand {
  color: #fff;
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-tight);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-otti {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,0.3);
}
.nav-links { display: flex; gap: 1.5rem; }
.nav-links a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  transition: color 0.2s;
}
.nav-links a:hover { color: #fff; }

/* Hero */
.hero {
  margin-top: 56px;
  height: 100vh;
  min-height: 500px;
  background: url('assets/photos/hero-backpack.jpg') center/cover no-repeat fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(45,74,62,0.7) 0%, rgba(74,124,107,0.6) 100%);
}
.hero-content {
  position: relative;
  color: #fff;
  padding: 2rem;
}
.hero h1 {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  margin-bottom: 0.5rem;
}
.hero .tagline {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-light);
  opacity: 0.9;
  max-width: 500px;
  margin: 0 auto;
  line-height: var(--leading-relaxed);
}
.scroll-indicator {
  margin-top: 3rem;
  animation: bounce 2s infinite;
  color: #fff;
  opacity: 0.6;
}
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-12px); }
  60% { transform: translateY(-6px); }
}

/* Content sections */
.content-section {
  padding: 5rem 2rem;
}
.content-section.alt-bg {
  background: var(--color-bg-alt);
}
.content-inner {
  max-width: 800px;
  margin: 0 auto;
}
.content-inner h2 {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  letter-spacing: var(--tracking-wide);
  margin-bottom: 1rem;
  text-align: center;
}
.content-inner > p {
  font-size: var(--text-lg);
  line-height: var(--leading-loose);
  color: var(--color-text);
  text-align: center;
}

/* Hex strip */
.hex-strip {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2rem;
}
.hex-small {
  width: 80px;
  height: 92px;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  background-size: cover;
  background-position: center;
}

/* Steps horizontal */
.steps-horizontal {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}
.step-h {
  text-align: center;
  flex: 1;
  max-width: 200px;
}
.step-otti-wrap {
  width: 64px;
  height: 64px;
  margin: 0 auto 0.75rem;
}
.step-otti-wrap .step-otti {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
}
.step-h h3 {
  font-family: var(--font-heading);
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  margin-bottom: 0.3rem;
}
.step-h p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
}
.step-arrow {
  display: flex;
  align-items: center;
  padding-top: 12px;
  color: var(--color-primary-light);
  opacity: 0.5;
}

/* Values */
.values-row {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 1.5rem;
}
.value {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  font-weight: var(--weight-semibold);
}
.value svg { color: var(--color-primary); }

/* Parallax breaks */
.parallax-break {
  height: 50vh;
  min-height: 300px;
  background: url('assets/photos/hands-working.jpg') center/cover no-repeat fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.parallax-break.second {
  background-image: url('assets/photos/finish-detail.jpg');
}
.parallax-break::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(45,74,62,0.65);
}
.parallax-content {
  position: relative;
  text-align: center;
  padding: 2rem;
}
.parallax-content h2 {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: #fff;
  letter-spacing: var(--tracking-wide);
}
.parallax-content blockquote {
  font-size: var(--text-2xl);
  font-weight: var(--weight-light);
  color: #fff;
  font-style: italic;
  max-width: 600px;
  line-height: var(--leading-relaxed);
}

.otti-feature {
  max-width: 280px;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* Support */
.support-otti {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--color-primary);
}
.support-highlight {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: var(--color-bg-share);
  border: 1px solid var(--color-border-green);
  border-radius: 18px;
  padding: 1.5rem 2rem;
  margin: 1.5rem 0;
}
.support-highlight-icon {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-icon-bg-dark);
  border-radius: 50%;
  color: #fff;
}
.support-highlight h3 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  margin-bottom: 0.3rem;
}
.support-highlight p {
  font-size: var(--text-md);
  color: var(--color-text);
  line-height: var(--leading-relaxed);
}
.share-phrase {
  margin-top: 0.3rem;
  font-style: italic;
  font-size: var(--text-base) !important;
  color: var(--color-primary-light) !important;
}
.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.25rem;
  margin-top: 1.5rem;
}
.support-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: 18px;
  padding: 1.25rem;
}
.support-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-icon-bg);
  border-radius: 10px;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}
.support-card h3 {
  font-family: var(--font-heading);
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  margin-bottom: 0.3rem;
}
.support-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
}
.support-card p a,
.support-highlight a {
  color: var(--color-primary);
  text-decoration: none;
}
.support-card p a:hover,
.support-highlight a:hover {
  text-decoration: underline;
}

/* QR section */
.qr-section {
  padding: 3rem 2rem 4rem;
}
.qr-section .content-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border-icon);
  border-radius: 18px;
  padding: 1.5rem 2rem;
}
.qr-section img {
  width: 120px;
  height: 120px;
  border-radius: 8px;
  flex-shrink: 0;
}
.qr-text {
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
  text-align: left;
}
.qr-text strong { color: var(--color-primary); }

/* Footer */
.footer {
  background: var(--color-bg-footer);
  border-top: 1px solid var(--color-border);
}
.social-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  padding: 1.25rem 2rem;
  flex-wrap: wrap;
}
.social-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-md);
  color: var(--color-text);
}
.social-item .badge {
  background: var(--color-primary);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}
.social-item a {
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  text-decoration: none;
}
.footer-domain {
  text-align: center;
  padding: 1rem 2rem;
  font-size: 0.8rem;
  color: var(--color-text-lightest);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.4rem;
}
.otti-footer {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  vertical-align: middle;
  opacity: 0.6;
}

/* Responsive */
@media (max-width: 768px) {
  .hero { background-attachment: scroll; }
  .parallax-break { background-attachment: scroll; }
  .steps-horizontal { flex-direction: column; align-items: center; }
  .step-arrow { transform: rotate(90deg); padding: 0.5rem 0; }
  .support-grid { grid-template-columns: 1fr; }
  .support-highlight { flex-direction: column; text-align: center; }
  .qr-section .content-inner { flex-direction: column; text-align: center; }
  .hex-strip { gap: 0.3rem; }
  .hex-small { width: 50px; height: 58px; }
}