/* ═══════════════════════════════════════════
   NELSON'S FOOTWEAR — Custom Styles
   Palette: emerald-800/900 + cream-50
   Fonts: Instrument Serif + Inter
   ═══════════════════════════════════════════ */

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

:root {
  --emerald-700: #047857;
  --emerald-800: #065f46;
  --emerald-900: #064e3b;
  --emerald-950: #022c22;
  --cream-50: #fefce8;
  --cream-100: #fef9c3;
  --white: #ffffff;
  --gray-50: #fafafa;
  --gray-100: #f4f4f5;
  --gray-200: #e4e4e7;
  --gray-400: #a1a1aa;
  --gray-500: #71717a;
  --gray-600: #52525b;
  --gray-700: #3f3f46;
  --gray-800: #27272a;
  --gray-900: #18181b;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans: 'Inter', system-ui, sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.7;
  color: var(--gray-800);
  background: var(--cream-50);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ═══════════════════════ HEADER / NAV ═══════════════════════ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(254, 252, 232, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(6, 95, 70, 0.08);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 1px 20px rgba(6, 95, 70, 0.07);
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.938rem;
  letter-spacing: -0.01em;
  color: var(--emerald-800);
}

.nav__brand-text {
  font-weight: 500;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav__link {
  font-size: 0.813rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--gray-600);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav__link:hover {
  color: var(--emerald-800);
  background: rgba(6, 95, 70, 0.06);
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--emerald-800);
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.nav__toggle:hover {
  background: rgba(6, 95, 70, 0.08);
}

/* ═══════════════════════ HERO ═══════════════════════ */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding: 104px 24px 64px;
  background: var(--cream-50);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(6, 95, 70, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero__grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  width: 100%;
}

.hero__card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(6, 95, 70, 0.08);
  box-shadow: 0 4px 40px rgba(6, 95, 70, 0.06), 0 1px 3px rgba(0,0,0,0.04);
  overflow: hidden;
}

.hero__card--headline {
  padding: 56px 48px;
  display: flex;
  align-items: center;
}

.hero__card-inner {
  width: 100%;
}

.hero__eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--emerald-700);
  background: rgba(6, 95, 70, 0.07);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero__headline {
  font-family: var(--font-serif);
  font-size: clamp(2.75rem, 5vw, 4.25rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--gray-900);
  margin-bottom: 24px;
}

.hero__sub {
  font-size: 1.063rem;
  line-height: 1.7;
  color: var(--gray-500);
  margin-bottom: 36px;
  max-width: 400px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ═══════════════════════ BUTTONS ═══════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn--primary {
  background: var(--emerald-800);
  color: var(--white);
  border-color: var(--emerald-800);
}

.btn--primary:hover {
  background: var(--emerald-900);
  border-color: var(--emerald-900);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(6, 95, 70, 0.25);
}

.btn--ghost {
  background: transparent;
  color: var(--emerald-800);
  border-color: var(--emerald-800);
}

.btn--ghost:hover {
  background: var(--emerald-800);
  color: var(--white);
  transform: translateY(-1px);
}

.btn--light {
  background: var(--white);
  color: var(--emerald-800);
  border-color: var(--white);
  width: 100%;
}

.btn--light:hover {
  background: var(--cream-50);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

/* ═══════════════════════ HERO VISUAL ═══════════════════════ */
.hero__visual {
  position: relative;
}

.hero__img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 48px rgba(6, 95, 70, 0.1);
  aspect-ratio: 640 / 720;
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero__img-wrap:hover .hero__img {
  transform: scale(1.02);
}

.stat-card {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.1), 0 2px 8px rgba(0,0,0,0.06);
  border: 1px solid rgba(255,255,255,0.8);
  z-index: 2;
}

.stat-card--top {
  top: 32px;
  right: -24px;
}

.stat-card--bottom {
  bottom: 48px;
  left: -24px;
}

.stat-card__number {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--emerald-800);
  line-height: 1.2;
}

.stat-card__label {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--gray-500);
  letter-spacing: 0.02em;
}

/* ═══════════════════════ SECTIONS ═══════════════════════ */
.section {
  padding: 112px 0;
}

.section--cream {
  background: var(--cream-50);
}

.section--dark {
  background: var(--emerald-950);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--emerald-700);
  margin-bottom: 16px;
}

.section-eyebrow--light {
  color: rgba(217, 249, 237, 0.7);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.125rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--gray-900);
}

.section-title--light {
  color: var(--white);
}

/* ═══════════════════════ ABOUT ═══════════════════════ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about__content {
  max-width: 480px;
}

.about__content p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--gray-600);
  margin-bottom: 16px;
}

.about__note {
  font-size: 0.875rem !important;
  color: var(--gray-400) !important;
  font-style: italic;
  margin-top: 24px !important;
  padding-top: 24px;
  border-top: 1px solid var(--gray-200);
}

.about__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 40px rgba(6, 95, 70, 0.08);
}

/* ═══════════════════════ COLLECTION ═══════════════════════ */
.collection__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.collection-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(6, 95, 70, 0.06);
  transition: transform var(--transition), box-shadow var(--transition);
}

.collection-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(6, 95, 70, 0.1);
}

.collection-card__img {
  aspect-ratio: 480 / 360;
  overflow: hidden;
}

.collection-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.collection-card:hover .collection-card__img img {
  transform: scale(1.04);
}

.collection-card__title {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 400;
  color: var(--gray-900);
  padding: 20px 24px 0;
  letter-spacing: -0.01em;
}

.collection-card__title em {
  font-style: italic;
  color: var(--emerald-700);
}

.collection-card p {
  font-size: 0.938rem;
  line-height: 1.7;
  color: var(--gray-500);
  padding: 10px 24px 24px;
}

/* ═══════════════════════ SERVICES ═══════════════════════ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  padding: 36px 28px;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid rgba(6, 95, 70, 0.06);
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(6, 95, 70, 0.08);
}

.service-card__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(6, 95, 70, 0.07);
  color: var(--emerald-800);
  margin-bottom: 24px;
}

.service-card__title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--gray-900);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.service-card p {
  font-size: 0.938rem;
  line-height: 1.7;
  color: var(--gray-500);
}

/* ═══════════════════════ VISIT / CONTACT ═══════════════════════ */
.visit__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.visit__info {
  padding-top: 8px;
}

.visit__desc {
  font-size: 1.063rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.65);
  margin-bottom: 40px;
  max-width: 420px;
}

.visit__details {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.visit__details li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.visit__icon {
  flex-shrink: 0;
  color: rgba(217, 249, 237, 0.6);
  margin-top: 3px;
}

.visit__details strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--white);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.visit__details span {
  font-size: 0.938rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
}

.visit__link {
  color: rgba(217, 249, 237, 0.8);
  border-bottom: 1px solid rgba(217, 249, 237, 0.2);
  transition: color var(--transition), border-color var(--transition);
}

.visit__link:hover {
  color: var(--white);
  border-color: var(--white);
}

/* Form */
.visit__form-wrap {
  width: 100%;
}

.visit__form-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(8px);
}

.visit__form-title {
  font-family: var(--font-serif);
  font-size: 1.625rem;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.visit__form-sub {
  font-size: 0.938rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 32px;
  line-height: 1.6;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.813rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 0.938rem;
  font-weight: 300;
  color: var(--white);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition), background var(--transition);
}

.form-input::placeholder {
  color: rgba(255,255,255,0.3);
}

.form-input:focus {
  border-color: rgba(217, 249, 237, 0.5);
  background: rgba(255,255,255,0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-status {
  margin-top: 16px;
  font-size: 0.875rem;
  text-align: center;
  min-height: 22px;
}

.form-status.success {
  color: #86efac;
}

.form-status.error {
  color: #fca5a5;
}

/* ═══════════════════════ FOOTER ═══════════════════════ */
.footer {
  background: var(--emerald-950);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 48px 0;
}

.footer__inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-weight: 500;
  font-size: 0.938rem;
}

.footer__name {
  font-size: 0.938rem;
  color: rgba(255,255,255,0.8);
}

.footer__copy {
  font-size: 0.813rem;
  color: rgba(255,255,255,0.35);
  line-height: 1.7;
}

.footer__link {
  color: rgba(217, 249, 237, 0.5);
  border-bottom: 1px solid rgba(217, 249, 237, 0.15);
  transition: color var(--transition);
}

.footer__link:hover {
  color: rgba(217, 249, 237, 0.9);
}

.footer__note {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.2);
  font-style: italic;
}

/* ═══════════════════════ SCROLL REVEAL ═══════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════ MOBILE MENU ═══════════════════════ */
.mobile-menu-open {
  overflow: hidden;
}

.mobile-menu-open body {
  overflow: hidden;
}

/* ═══════════════════════ RESPONSIVE ═══════════════════════ */
@media (max-width: 1024px) {
  .hero__grid {
    gap: 32px;
  }
  .hero__card--headline {
    padding: 40px 32px;
  }
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .collection__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav__links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(254, 252, 232, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 24px;
    gap: 4px;
    border-bottom: 1px solid rgba(6, 95, 70, 0.08);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease, visibility 0.3s;
    z-index: 99;
  }

  .nav__links.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__link {
    width: 100%;
    padding: 14px 16px;
    font-size: 0.938rem;
  }

  .nav__toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .hero {
    padding: 96px 20px 48px;
    min-height: auto;
  }

  .hero__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero__card--headline {
    padding: 32px 24px;
  }

  .hero__headline {
    font-size: clamp(2.25rem, 8vw, 3rem);
  }

  .hero__visual {
    order: -1;
  }

  .hero__img-wrap {
    aspect-ratio: 4/3;
  }

  .stat-card--top {
    right: 12px;
    top: 12px;
  }

  .stat-card--bottom {
    left: 12px;
    bottom: 24px;
  }

  .stat-card {
    padding: 12px 16px;
  }

  .stat-card__number {
    font-size: 1.25rem;
  }

  .section {
    padding: 80px 0;
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about__content {
    max-width: 100%;
  }

  .collection__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .services__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .visit__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .visit__form-card {
    padding: 28px 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero__card--headline {
    padding: 28px 20px;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }

  .btn {
    padding: 12px 22px;
    font-size: 0.813rem;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    /* Animated via JS */
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .collection-card:hover,
  .service-card:hover {
    transform: none;
  }
  .hero__img {
    transition: none;
  }
}