/* =========================================
   RS BIO — Artisan Luxury Skincare
   ========================================= */

/* --- Variables --- */
:root {
  --cream:     #FAF6F1;
  --sage:      #4A5E4C;
  --sage-light:#7A9E7E;
  --sand:      #D4C5A9;
  --terracotta:#C4735A;
  --charcoal:  #2A2A2A;
  --warm-gray: #9B8E7E;
  --white:     #FFFFFF;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
}

/* --- Reset & Base --- */
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--cream);
  color: var(--charcoal);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 3rem;
  background: transparent;
}
.nav__brand { display: flex; flex-direction: column; gap: 0; }
.nav__logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--charcoal);
}
.nav__tagline {
  font-family: var(--font-body);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--warm-gray);
}
.nav__links {
  display: flex;
  gap: 2.5rem;
}
.nav__links a {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--charcoal);
  opacity: 0.6;
  transition: opacity 0.2s;
}
.nav__links a:hover { opacity: 1; }

/* --- Section eyebrow --- */
.section__eyebrow {
  display: block;
  font-family: var(--font-body);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 1.5rem;
}

/* =========================================
   HERO
   ========================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 6rem 4rem 4rem;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}
.hero__blob--1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #C4735A 0%, transparent 70%);
  top: -100px; right: -50px;
  animation: blobDrift 12s ease-in-out infinite alternate;
}
.hero__blob--2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #7A9E7E 0%, transparent 70%);
  bottom: -80px; left: -100px;
  animation: blobDrift 15s ease-in-out infinite alternate-reverse;
}
.hero__blob--3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #D4C5A9 0%, transparent 70%);
  top: 40%; left: 30%;
  animation: blobDrift 18s ease-in-out infinite alternate;
}
@keyframes blobDrift {
  from { transform: scale(1) translate(0,0); }
  to   { transform: scale(1.15) translate(20px,-20px); }
}

.hero__texture {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 80px,
      rgba(74,94,76,0.03) 80px,
      rgba(74,94,76,0.03) 81px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 80px,
      rgba(74,94,76,0.03) 80px,
      rgba(74,94,76,0.03) 81px
    );
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero__eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 300;
  line-height: 1.05;
  color: var(--charcoal);
  margin-bottom: 2rem;
}

.hero__sub {
  font-size: 1rem;
  color: var(--warm-gray);
  max-width: 420px;
  line-height: 1.8;
}

/* Hero Visual */
.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 480px;
}

.hero__bottle {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  filter: drop-shadow(0 40px 80px rgba(42,42,42,0.12));
}

.bottle__dropper {
  width: 10px;
  height: 28px;
  background: linear-gradient(180deg, #C9A84C 0%, #D4AF37 50%, #C9A84C 100%);
  border-radius: 5px 5px 2px 2px;
  position: relative;
}
.bottle__dropper::after {
  content: '';
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 12px;
  background: linear-gradient(180deg, #D4AF37 0%, #C9A84C 100%);
  border-radius: 3px 3px 0 0;
}

.bottle__neck {
  width: 18px;
  height: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.9) 0%, rgba(220,210,200,0.9) 100%);
  border-radius: 2px;
}

.bottle__body {
  width: 80px;
  height: 120px;
  background: linear-gradient(135deg,
    rgba(255,255,255,0.95) 0%,
    rgba(240,235,225,0.90) 30%,
    rgba(220,210,195,0.85) 70%,
    rgba(200,190,175,0.90) 100%
  );
  border-radius: 8px 8px 12px 12px;
  box-shadow:
    inset 2px 0 8px rgba(255,255,255,0.6),
    inset -2px 0 8px rgba(0,0,0,0.04),
    0 2px 4px rgba(0,0,0,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
}

.bottle__label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.bottle__rs {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--charcoal);
  line-height: 1;
}

.bottle__bio {
  font-family: var(--font-display);
  font-size: 0.55rem;
  letter-spacing: 0.35em;
  color: var(--sage);
  font-weight: 400;
}

/* Botanicals */
.hero__botanicals {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.botanical {
  position: absolute;
  border-radius: 50%;
}
.botanical--1 {
  width: 200px; height: 200px;
  border: 1px solid rgba(74,94,76,0.12);
  top: 20px; right: 20px;
}
.botanical--2 {
  width: 150px; height: 150px;
  border: 1px solid rgba(196,115,90,0.12);
  bottom: 60px; left: 20px;
}
.botanical--3 {
  width: 100px; height: 100px;
  border: 1px solid rgba(212,197,169,0.3);
  top: 60%; right: 15%;
}

/* Glow */
.hero__glow {
  position: absolute;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(196,115,90,0.15) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

/* =========================================
   PHILOSOPHY
   ========================================= */
.philosophy {
  padding: 8rem 4rem;
  background: var(--charcoal);
  color: var(--cream);
}

.philosophy__inner {
  max-width: 1100px;
  margin: 0 auto;
}

.philosophy__header {
  margin-bottom: 3rem;
}

.philosophy__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 4rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--cream);
}

.philosophy__body p {
  font-size: 1.05rem;
  color: var(--sand);
  max-width: 580px;
  line-height: 1.8;
  margin-bottom: 4rem;
}

.philosophy__pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.pillar__icon {
  width: 40px; height: 40px;
  color: var(--terracotta);
  margin-bottom: 1.25rem;
}
.pillar__icon svg { width: 100%; height: 100%; }

.pillar__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--cream);
  margin-bottom: 0.75rem;
}

.pillar__text {
  font-size: 0.85rem;
  color: var(--warm-gray);
  line-height: 1.7;
}

/* =========================================
   INGREDIENTS
   ========================================= */
.ingredients {
  padding: 8rem 4rem;
  background: var(--cream);
}

.ingredients__inner { max-width: 1100px; margin: 0 auto; }

.ingredients__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

/* Visual: circular composition */
.ingredients__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.ingredients__composition {
  position: relative;
  width: 360px; height: 360px;
}

.ing__circle {
  position: absolute;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ing__circle--1 {
  width: 120px; height: 120px;
  background: radial-gradient(circle, #E8C5C5 0%, #D4A8A8 100%);
  top: 10px; left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 8px 24px rgba(200,120,120,0.2);
}
.ing__circle--2 {
  width: 100px; height: 100px;
  background: radial-gradient(circle, #B8C8A8 0%, #8FA87A 100%);
  bottom: 40px; left: 10px;
  box-shadow: 0 8px 24px rgba(143,168,122,0.2);
}
.ing__circle--3 {
  width: 110px; height: 110px;
  background: radial-gradient(circle, #D4C89A 0%, #B8A870 100%);
  bottom: 20px; right: 10px;
  box-shadow: 0 8px 24px rgba(184,168,112,0.2);
}
.ing__circle--4 {
  width: 90px; height: 90px;
  background: radial-gradient(circle, #E8D4B8 0%, #D4BC96 100%);
  top: 50%; right: -10px;
  transform: translateY(-50%);
  box-shadow: 0 8px 24px rgba(212,188,150,0.2);
}

.ing__label {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--charcoal);
  opacity: 0.7;
  text-align: center;
  padding: 4px;
}

.ingredients__center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 80px; height: 80px;
  background: var(--charcoal);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--cream);
  line-height: 1.2;
  letter-spacing: 0.05em;
}

/* Text side */
.ingredients__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 300;
  line-height: 1.15;
  color: var(--charcoal);
  margin-bottom: 1.5rem;
}

.ingredients__desc {
  font-size: 0.95rem;
  color: var(--warm-gray);
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.ingredients__list { display: flex; flex-direction: column; gap: 1rem; }

.ing__item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--charcoal);
}

.ing__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--terracotta);
  flex-shrink: 0;
  margin-top: 0.5rem;
}

/* =========================================
   CRAFT
   ========================================= */
.craft {
  padding: 8rem 4rem;
  background: #F0EBE3;
}

.craft__inner { max-width: 1100px; margin: 0 auto; }

.craft__header {
  text-align: center;
  max-width: 580px;
  margin: 0 auto 5rem;
}

.craft__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  font-weight: 300;
  color: var(--charcoal);
  margin-bottom: 1.25rem;
}

.craft__lead {
  font-size: 1rem;
  color: var(--warm-gray);
  line-height: 1.8;
}

.craft__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.step {
  position: relative;
  padding: 2rem 1.5rem;
  background: var(--white);
  border: 1px solid rgba(212,197,169,0.4);
}

.step__number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 300;
  color: var(--sand);
  line-height: 1;
  margin-bottom: 1.5rem;
}

.step__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--charcoal);
  margin-bottom: 0.75rem;
}

.step__text {
  font-size: 0.8rem;
  color: var(--warm-gray);
  line-height: 1.7;
}

.step__line {
  display: none;
}

/* =========================================
   CLOSING
   ========================================= */
.closing {
  padding: 10rem 4rem;
  background: var(--sage);
  text-align: center;
}

.closing__inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing__emblem {
  width: 80px; height: 80px;
  margin: 0 auto 3rem;
  color: var(--cream);
  opacity: 0.8;
}
.closing__emblem svg { width: 100%; height: 100%; }

.closing__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 4rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--cream);
  margin-bottom: 2rem;
}

.closing__body {
  font-size: 1rem;
  color: rgba(250,246,241,0.75);
  line-height: 1.9;
  margin-bottom: 3rem;
}

.closing__origin {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(250,246,241,0.5);
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
  padding: 3rem 4rem;
  background: var(--charcoal);
  color: var(--cream);
}

.footer__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 0.5rem;
}

.footer__desc {
  font-size: 0.75rem;
  color: var(--warm-gray);
  line-height: 1.5;
}

.footer__contact {
  font-size: 0.75rem;
  color: var(--sand);
  margin-bottom: 0.25rem;
}

.footer__legal {
  font-size: 0.65rem;
  color: var(--warm-gray);
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 768px) {
  .nav { padding: 1rem 1.5rem; }
  .nav__links { display: none; }

  .hero {
    padding: 5rem 1.5rem 3rem;
    min-height: 100svh;
  }
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero__visual { height: 320px; }
  .hero__headline { font-size: 2.5rem; }

  .philosophy { padding: 5rem 1.5rem; }
  .philosophy__pillars {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .ingredients { padding: 5rem 1.5rem; }
  .ingredients__grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .ingredients__visual { order: -1; }
  .ingredients__composition { width: 280px; height: 280px; }

  .craft { padding: 5rem 1.5rem; }
  .craft__steps {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .closing { padding: 6rem 1.5rem; }
  .closing__title { font-size: 2rem; }

  .footer { padding: 2rem 1.5rem; }
  .footer__inner { flex-direction: column; gap: 1.5rem; align-items: flex-start; }
}