/* ============================================================
   PARCEL SEVEN — Design System & Stylesheet
   ============================================================ */

/* --- Custom Properties --- */
:root {
  /* Palette */
  --color-ivory:       #F5F0E8;
  --color-parchment:   #EDE7DB;
  --color-stone:       #D4CBBA;
  --color-warm-gray:   #A69E91;
  --color-warm-gray-d: #7A7268;
  --color-charcoal:    #3B3731;
  --color-night:       #1E1B17;
  --color-burgundy:    #4A0E0E;
  --color-burgundy-l:  #6B1A1A;
  --color-gold:        #8B7355;
  --color-gold-l:      #A6916F;

  /* Typography */
  --font-serif:   'Cormorant Garamond', 'Georgia', serif;
  --font-sans:    'Inter', 'Helvetica Neue', Arial, sans-serif;

  /* Spacing */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  6rem;
  --space-2xl: 10rem;

  /* Layout */
  --container-max: 1200px;
  --container-pad: 2rem;

  /* Transitions */
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration:   0.6s;
  --duration-fast: 0.3s;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--color-charcoal);
  background-color: var(--color-ivory);
  line-height: 1.7;
  overflow-x: hidden;
}

::selection {
  background-color: var(--color-burgundy);
  color: var(--color-ivory);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* --- Container --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

/* --- Section Label --- */
.section-label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-warm-gray);
  margin-bottom: var(--space-lg);
}

/* --- Fade-in Animation --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.5rem 0;
  transition: background-color var(--duration-fast) ease,
              padding var(--duration-fast) ease,
              backdrop-filter var(--duration-fast) ease;
}

.nav--hero .nav__logo {
  color: var(--color-ivory);
}

.nav--hero .nav__links a {
  color: var(--color-warm-gray);
}

.nav--hero .nav__links a:hover {
  color: var(--color-ivory);
}

.nav--hero .nav__toggle span {
  background-color: var(--color-ivory);
}

.nav--scrolled {
  background-color: rgba(245, 240, 232, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1rem 0;
}

.nav--scrolled .nav__logo {
  color: var(--color-night);
}

.nav--scrolled .nav__links a {
  color: var(--color-warm-gray-d);
}

.nav--scrolled .nav__toggle span {
  background-color: var(--color-night);
}

.nav__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-night);
  transition: color var(--duration-fast) ease;
}

.nav__logo:hover {
  color: var(--color-burgundy);
}

.nav__links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.nav__links a {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-warm-gray-d);
  transition: color var(--duration-fast) ease;
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-burgundy);
  transition: width var(--duration-fast) var(--ease-out);
}

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

.nav__links a:hover::after {
  width: 100%;
}

/* Mobile toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 4px;
  z-index: 110;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 1px;
  background-color: var(--color-night);
  transition: transform var(--duration-fast) ease, opacity var(--duration-fast) ease;
}

.nav__toggle.is-active span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav__toggle.is-active span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl) var(--container-pad);
  background-color: var(--color-night);
  color: var(--color-ivory);
  overflow: hidden;
}

.hero__grain {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  pointer-events: none;
}

.hero__content {
  text-align: center;
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.hero__tag {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-lg);
}

.hero__title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-md);
}

.hero__title-line {
  display: block;
}

.hero__title-line--accent {
  color: var(--color-gold-l);
  font-style: italic;
}

.hero__rule {
  width: 48px;
  height: 1px;
  background-color: var(--color-burgundy-l);
  margin: var(--space-md) auto;
}

.hero__subtitle {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-warm-gray);
}

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  z-index: 1;
}

.hero__scroll span {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-warm-gray);
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-warm-gray), transparent);
  animation: scrollPulse 2s var(--ease-in-out) infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50%      { opacity: 1;   transform: scaleY(1); }
}

/* ============================================================
   INTERSTITIAL
   ============================================================ */
.interstitial {
  padding: var(--space-2xl) 0;
  background-color: var(--color-ivory);
}

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

.interstitial__quote p {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.4;
  color: var(--color-charcoal);
  letter-spacing: 0.01em;
}

.interstitial--alt {
  background-color: var(--color-parchment);
}

.interstitial__statement {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.interstitial__small {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-warm-gray);
  display: block;
}

.interstitial__large {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 4.5rem);
  font-weight: 300;
  font-style: italic;
  color: var(--color-charcoal);
  display: block;
  line-height: 1.2;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  padding: var(--space-2xl) 0;
  background-color: var(--color-ivory);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.about__heading {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 300;
  line-height: 1.35;
  color: var(--color-night);
  letter-spacing: -0.005em;
  position: sticky;
  top: 120px;
}

.about__text {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.85;
  color: var(--color-warm-gray-d);
  margin-bottom: var(--space-md);
}

.about__text:last-child {
  margin-bottom: 0;
}

/* ============================================================
   DIVIDER
   ============================================================ */
.divider {
  padding: 0;
}

.divider__line {
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    var(--color-stone),
    transparent
  );
}

/* ============================================================
   SERVICES
   ============================================================ */
.services {
  padding: var(--space-2xl) 0;
  background-color: var(--color-ivory);
}

.services__heading {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 300;
  line-height: 1.25;
  color: var(--color-night);
  margin-bottom: var(--space-xl);
}

.services__list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.service {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-stone);
  align-items: start;
}

.service:last-child {
  border-bottom: 1px solid var(--color-stone);
}

.service__number {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-gold);
  letter-spacing: 0.05em;
  padding-top: 0.15rem;
}

.service__title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 400;
  color: var(--color-night);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.01em;
  line-height: 1.3;
}

.service__text {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 300;
  line-height: 1.85;
  color: var(--color-warm-gray-d);
  max-width: 600px;
}

/* ============================================================
   JOURNAL
   ============================================================ */
.journal {
  padding: var(--space-2xl) 0;
  background-color: var(--color-night);
  color: var(--color-ivory);
}

.journal .section-label {
  color: var(--color-warm-gray);
}

.journal__heading {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 300;
  line-height: 1.25;
  margin-bottom: var(--space-xl);
}

.journal__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.journal-entry {
  padding: var(--space-lg) var(--space-md);
  border: 1px solid rgba(245, 240, 232, 0.08);
  transition: border-color var(--duration-fast) ease,
              background-color var(--duration-fast) ease;
}

.journal-entry:hover {
  border-color: rgba(245, 240, 232, 0.18);
  background-color: rgba(245, 240, 232, 0.03);
}

.journal-entry__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.journal-entry__meta time {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-warm-gray);
}

.journal-entry__tag {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  border: 1px solid var(--color-gold);
  padding: 0.2rem 0.6rem;
  border-radius: 1px;
}

.journal-entry__title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1.35;
  margin-bottom: var(--space-sm);
  color: var(--color-ivory);
}

.journal-entry__excerpt {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 300;
  line-height: 1.75;
  color: var(--color-warm-gray);
  margin-bottom: var(--space-md);
}

.journal-entry__link {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold-l);
  transition: color var(--duration-fast) ease;
  position: relative;
}

.journal-entry__link::after {
  content: ' \2192';
  transition: transform var(--duration-fast) ease;
  display: inline-block;
}

.journal-entry__link:hover {
  color: var(--color-ivory);
}

.journal-entry__link:hover::after {
  transform: translateX(4px);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  padding: var(--space-2xl) 0;
  background-color: var(--color-parchment);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.contact__heading {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 300;
  line-height: 1.2;
  color: var(--color-night);
  margin-bottom: var(--space-md);
}

.contact__text {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.85;
  color: var(--color-warm-gray-d);
  margin-bottom: var(--space-md);
  max-width: 420px;
}

.contact__email {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--color-burgundy);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-fast) ease;
  display: inline-block;
}

.contact__email:hover {
  border-color: var(--color-burgundy);
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-form__label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-warm-gray-d);
  margin-bottom: 0.5rem;
}

.contact-form__input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-stone);
  padding: 0.75rem 0;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--color-night);
  outline: none;
  transition: border-color var(--duration-fast) ease;
  border-radius: 0;
  -webkit-appearance: none;
}

.contact-form__input:focus {
  border-color: var(--color-burgundy);
}

.contact-form__textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.7;
}

.contact-form__submit {
  align-self: flex-start;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-ivory);
  background-color: var(--color-night);
  padding: 1rem 2.5rem;
  border: 1px solid var(--color-night);
  transition: background-color var(--duration-fast) ease,
              color var(--duration-fast) ease;
  margin-top: var(--space-sm);
}

.contact-form__submit:hover {
  background-color: transparent;
  color: var(--color-night);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: var(--space-lg) 0;
  background-color: var(--color-night);
  border-top: 1px solid rgba(245, 240, 232, 0.06);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-ivory);
  letter-spacing: 0.02em;
}

.footer__copy {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 300;
  color: var(--color-warm-gray);
  letter-spacing: 0.05em;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --container-pad: 1.5rem;
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .about__heading {
    position: static;
  }

  .journal__grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --space-2xl: 6rem;
    --space-xl: 4rem;
    --space-lg: 3rem;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-ivory);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration-fast) ease,
                visibility var(--duration-fast) ease;
    z-index: 105;
  }

  .nav__links.is-open {
    opacity: 1;
    visibility: visible;
  }

  .nav__links a {
    font-size: 0.9rem;
    letter-spacing: 0.2em;
  }

  .hero {
    min-height: 100svh;
    padding: var(--space-xl) var(--container-pad);
  }

  .hero__title {
    font-size: clamp(2.2rem, 9vw, 3.5rem);
  }

  .service {
    grid-template-columns: 50px 1fr;
  }

  .journal__grid {
    grid-template-columns: 1fr;
  }

  .services__heading,
  .journal__heading {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }

  .footer__inner {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  :root {
    --container-pad: 1.25rem;
    --space-2xl: 5rem;
  }

  .hero__subtitle {
    font-size: 0.65rem;
    letter-spacing: 0.2em;
  }

  .interstitial__large {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
  }
}