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

:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

html { scroll-behavior: smooth; }

body {
  background: var(--white);
  color: var(--black);
  font-family: 'Archivo', Arial, sans-serif;
  overflow-x: hidden;
}

/* ---------- nav ---------- */
.nav-toggle {
  position: fixed;
  top: 24px;
  left: 24px;
  z-index: 1001;
  width: 56px;
  height: 56px;
  background: var(--black);
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: transform 0.3s var(--ease);
}
.nav-toggle:hover { transform: scale(1.08); }
.nav-toggle span {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--white);
  transition: transform 0.3s var(--ease), opacity 0.2s;
}
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--black);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-left: clamp(24px, 10vw, 160px);
  gap: clamp(8px, 2vh, 20px);
  clip-path: inset(0 100% 0 0);
  transition: clip-path 0.6s var(--ease);
}
.nav-open .nav-overlay { clip-path: inset(0 0 0 0); }

.nav-link {
  font-family: 'Archivo Black', Arial, sans-serif;
  font-size: clamp(2rem, 6vw, 4.5rem);
  color: var(--white);
  text-decoration: none;
  line-height: 1.1;
  width: fit-content;
  transition: transform 0.3s var(--ease), opacity 0.3s;
  opacity: 0.85;
}
.nav-link:hover { transform: translateX(16px); opacity: 1; }

/* ---------- hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 0 clamp(24px, 6vw, 96px);
  position: relative;
}

.hero-title {
  font-family: 'Archivo Black', Arial, sans-serif;
  font-size: clamp(4rem, 15vw, 14rem);
  line-height: 0.9;
  letter-spacing: -0.03em;
  text-transform: lowercase;
  will-change: transform, opacity;
}

.hero-sub {
  margin-top: 32px;
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.scroll-cue {
  position: absolute;
  bottom: 40px;
  left: clamp(24px, 6vw, 96px);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: lowercase;
  letter-spacing: 0.15em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.scroll-arrow {
  display: inline-block;
  animation: bob 1.6s ease-in-out infinite;
}
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ---------- strains ---------- */
.strain {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 12vh clamp(24px, 6vw, 96px);
}

.strain-inner {
  display: flex;
  align-items: center;
  gap: clamp(32px, 6vw, 96px);
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.strain-img-wrap {
  flex: 0 1 46%;
  transform: translateX(-90vw);
  opacity: 0;
  transition: transform 1.1s var(--ease), opacity 0.9s ease;
  will-change: transform, opacity;
}
.strain.in-view .strain-img-wrap {
  transform: translateX(0);
  opacity: 1;
}

.strain-img {
  width: 100%;
  height: auto;
  display: block;
}

.strain-text {
  flex: 1 1 54%;
  transform: translateY(60px);
  opacity: 0;
  transition: transform 0.9s var(--ease) 0.35s, opacity 0.9s ease 0.35s;
}
.strain.in-view .strain-text {
  transform: translateY(0);
  opacity: 1;
}

.strain-num {
  font-family: 'Archivo Black', Arial, sans-serif;
  font-size: 1.1rem;
  letter-spacing: 0.2em;
}

.strain-name {
  font-family: 'Archivo Black', Arial, sans-serif;
  font-size: clamp(2.8rem, 8vw, 7rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  text-transform: lowercase;
  margin: 12px 0 20px;
}

.strain-meta {
  font-weight: 700;
  font-size: clamp(0.95rem, 1.5vw, 1.2rem);
  letter-spacing: 0.08em;
  text-transform: lowercase;
  margin-bottom: 16px;
}

.strain-desc {
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  line-height: 1.6;
  max-width: 46ch;
}

/* ---------- contact ---------- */
.contact {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 14vh clamp(24px, 6vw, 96px);
  background: var(--black);
  color: var(--white);
}

.contact-title {
  font-family: 'Archivo Black', Arial, sans-serif;
  font-size: clamp(3.5rem, 12vw, 10rem);
  line-height: 0.9;
  letter-spacing: -0.03em;
  text-transform: lowercase;
  margin-bottom: 8vh;
}

.contact-form {
  max-width: 640px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact-form label span {
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  text-transform: lowercase;
}

.contact-form input,
.contact-form textarea {
  background: transparent;
  border: none;
  border-bottom: 3px solid var(--white);
  color: var(--white);
  font-family: 'Archivo', Arial, sans-serif;
  font-size: 1.2rem;
  padding: 10px 0;
  outline: none;
  border-radius: 0;
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-bottom-color: #888;
}

.hp { display: none !important; }

.submit-btn {
  align-self: flex-start;
  background: var(--white);
  color: var(--black);
  border: none;
  font-family: 'Archivo Black', Arial, sans-serif;
  font-size: 1.4rem;
  text-transform: lowercase;
  padding: 18px 56px;
  cursor: pointer;
  transition: transform 0.3s var(--ease);
}
.submit-btn:hover { transform: scale(1.05); }

.form-status {
  font-weight: 700;
  min-height: 1.4em;
}

/* ---------- footer ---------- */
.footer {
  background: var(--black);
  color: var(--white);
  padding: 24px clamp(24px, 6vw, 96px);
  font-size: 0.85rem;
  border-top: 1px solid #222;
}

/* ---------- mobile ---------- */
@media (max-width: 820px) {
  .strain-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .strain-img-wrap { flex-basis: auto; width: 80%; max-width: 420px; margin: 0 auto; }
  .strain-text { flex-basis: auto; }
}

@media (prefers-reduced-motion: reduce) {
  .strain-img-wrap, .strain-text { transition: none; transform: none; opacity: 1; }
  .scroll-arrow { animation: none; }
  html { scroll-behavior: auto; }
}