/* ============================================================
   KNOT & NAIL CO. — Premium Editorial Redesign
   Palette: #1A1A1A near-black | #F7F3E9 warm white
            #8B5A2B warm brown | #2D4739 forest green
   Fonts: Playfair Display (serif headlines) | Inter (body/nav)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,700;0,900;1,400;1,700&family=Inter:wght@300;400;500;600&display=swap');

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

:root {
  --black:      #1A1A1A;
  --charcoal:   #2A2A2A;
  --mid-dark:   #333333;
  --warm-white: #F7F3E9;
  --off-white:  #EDE8DC;
  --brown:      #8B5A2B;
  --brown-light:#A06830;
  --green:      #2D4739;
  --green-light:#3D5E4C;
  --sage:       #7A9E8E;
  --gray-light: #B0A898;
  --gray-mid:   #6E6459;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--black);
  color: var(--warm-white);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

/* ---- Typography Helpers ---- */
.serif { font-family: 'Playfair Display', Georgia, serif; }

h1, h2, h3 {
  font-family: 'Playfair Display', Georgia, serif;
  line-height: 1.15;
}

/* ============================================================
   NAVIGATION — sticky, dark, minimal
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(26, 26, 26, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(247, 243, 233, 0.08);
  transition: background 0.3s ease;
}

.nav-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 80px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.nav-logo img {
  width: 200px;
  height: 200px;
  object-fit: contain;
  margin-top: 16px;
  margin-bottom: -60px;
  filter: drop-shadow(0 3px 14px rgba(0,0,0,0.65));
}

.nav-logo-name {
  display: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-links a {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(247, 243, 233, 0.75);
  transition: color 0.2s ease;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 1px;
  background: var(--brown);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--warm-white);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.85rem 2.2rem;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
}

/* Outlined white — hero */
.btn-outline-white {
  color: var(--warm-white);
  border-color: rgba(247, 243, 233, 0.7);
  background: transparent;
}
.btn-outline-white:hover {
  background: var(--warm-white);
  border-color: var(--warm-white);
  color: var(--black);
}

/* Solid brown — product cards */
.btn-brown {
  background: var(--brown);
  border-color: var(--brown);
  color: var(--warm-white);
}
.btn-brown:hover {
  background: var(--brown-light);
  border-color: var(--brown-light);
}

/* Ghost brown — secondary */
.btn-outline-brown {
  color: var(--brown-light);
  border-color: var(--brown);
  background: transparent;
}
.btn-outline-brown:hover {
  background: var(--brown);
  color: var(--warm-white);
}

/* White fill — form submit */
.btn-primary {
  background: var(--warm-white);
  border-color: var(--warm-white);
  color: var(--black);
}
.btn-primary:hover {
  background: transparent;
  color: var(--warm-white);
  border-color: var(--warm-white);
}

/* ============================================================
   HERO — full viewport, photo background
   ============================================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1.03);
  transition: transform 8s ease;
}

.hero:hover .hero-bg { transform: scale(1.0); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.58);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 1.5rem;
  max-width: 900px;
}

.hero-eyebrow {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--brown-light);
  margin-bottom: 1.4rem;
  display: block;
}

.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(3.2rem, 8vw, 6.5rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--warm-white);
  line-height: 1.0;
  margin-bottom: 1.2rem;
}

.hero-subtitle {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 400;
  color: rgba(247, 243, 233, 0.82);
  margin-bottom: 2.8rem;
  letter-spacing: 0.01em;
}

/* ============================================================
   SECTION LAYOUT
   ============================================================ */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Dark section */
.section-dark {
  background: var(--black);
  padding: 7rem 0;
}

/* Charcoal section */
.section-charcoal {
  background: var(--charcoal);
  padding: 7rem 0;
}

/* Light/cream section */
.section-light {
  background: var(--warm-white);
  color: var(--black);
  padding: 7rem 0;
}

.section-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--brown);
  margin-bottom: 1rem;
  display: block;
}

.section-title-lg {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  margin-bottom: 1.2rem;
  line-height: 1.15;
}

.section-title-lg.dark-text { color: var(--black); }
.section-title-lg.light-text { color: var(--warm-white); }

.section-body {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--gray-light);
  max-width: 640px;
}

.section-body.dark-text { color: var(--mid-dark); }

.divider-line {
  width: 48px;
  height: 2px;
  background: var(--brown);
  margin: 1.4rem 0 2rem;
}

/* ============================================================
   HOME: WHAT WE MAKE — 3-column preview
   ============================================================ */
.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(247, 243, 233, 0.06);
  border: 1px solid rgba(247, 243, 233, 0.06);
  margin-top: 4rem;
}

.preview-card {
  background: var(--charcoal);
  padding: 3rem 2.5rem;
  transition: background 0.25s ease;
}

.preview-card:hover {
  background: #313131;
}

.preview-card-label {
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--brown);
  font-weight: 600;
  margin-bottom: 1rem;
  display: block;
}

.preview-card h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--warm-white);
  margin-bottom: 0.8rem;
}

.preview-card p {
  font-size: 0.92rem;
  color: var(--gray-light);
  line-height: 1.75;
  margin-bottom: 1.8rem;
}

.preview-card-link {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--warm-white);
  border-bottom: 1px solid var(--brown);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}

.preview-card-link:hover {
  color: var(--brown-light);
  border-color: var(--brown-light);
}

.preview-cta {
  text-align: center;
  margin-top: 3.5rem;
}

/* ============================================================
   HOME: SOCIAL / FIND US SECTION
   ============================================================ */
.social-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3.5rem;
}

.social-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 3rem 2rem;
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: var(--off-white);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  color: var(--black);
  text-decoration: none;
}

.social-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.1);
}

.social-card.disabled {
  opacity: 0.5;
  cursor: default;
  pointer-events: none;
}

.social-card-platform {
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--brown);
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.social-card-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 0.4rem;
}

.social-card-handle {
  font-size: 0.85rem;
  color: var(--gray-mid);
}

/* ============================================================
   PAGE HERO (Products / About)
   ============================================================ */
.page-hero {
  position: relative;
  height: 55vh;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.60);
}

.page-hero-content {
  position: relative;
  z-index: 2;
  padding: 0 1.5rem;
  padding-top: 70px; /* nav offset */
}

.page-hero-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--warm-white);
  line-height: 1.0;
  margin-bottom: 0.9rem;
}

.page-hero-sub {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: clamp(0.95rem, 2vw, 1.2rem);
  color: rgba(247, 243, 233, 0.78);
}

/* ============================================================
   PRODUCTS PAGE
   ============================================================ */
.products-section {
  background: var(--black);
  padding: 6rem 0 7rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 0;
}

.product-card {
  background: var(--charcoal);
  display: flex;
  flex-direction: column;
  border-top: 2px solid var(--brown);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

.product-card-visual {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  background: #222222;
  border-bottom: 1px solid rgba(247, 243, 233, 0.05);
}

.product-card-body {
  padding: 2rem 1.8rem 2.2rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-card-body h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--warm-white);
  margin-bottom: 0.5rem;
}

.product-price {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--sage);
  margin-bottom: 0.9rem;
}

.product-card-body p {
  font-size: 0.88rem;
  color: var(--gray-light);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 1.6rem;
}

.product-note {
  margin-top: 4rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--gray-light);
  padding: 2.5rem 2rem;
  border: 1px solid rgba(247, 243, 233, 0.1);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.product-note strong {
  color: var(--warm-white);
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.product-note a {
  color: var(--brown-light);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.product-note a:hover { border-color: var(--brown-light); }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-story-text p {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--gray-light);
  margin-bottom: 1.2rem;
}

.about-story-text p:last-child { margin-bottom: 0; }

.about-pull-quote {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: clamp(1.3rem, 2.5vw, 1.9rem);
  line-height: 1.5;
  color: var(--warm-white);
  border-left: 3px solid var(--brown);
  padding-left: 2rem;
}

/* Find Us — light section */
.find-us-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
}

.find-us-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 3rem 2rem;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: var(--warm-white);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  color: var(--black);
  cursor: pointer;
}

.find-us-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.1);
  background: #fff;
}

.find-us-card.disabled {
  opacity: 0.45;
  cursor: default;
  pointer-events: none;
}

.find-us-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.find-us-platform {
  font-size: 0.58rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--brown);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.find-us-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 0.35rem;
}

.find-us-sub {
  font-size: 0.82rem;
  color: var(--gray-mid);
}

/* ============================================================
   CONTACT FORM — dark section
   ============================================================ */
.contact-inner {
  max-width: 620px;
  margin: 0 auto;
  text-align: center;
}

.contact-inner .section-title-lg {
  color: var(--warm-white);
  margin-bottom: 0.6rem;
}

.contact-lead {
  font-size: 0.95rem;
  color: var(--gray-light);
  margin-bottom: 3rem;
}

.contact-form {
  text-align: left;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--gray-light);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(247, 243, 233, 0.05);
  border: 1px solid rgba(247, 243, 233, 0.15);
  color: var(--warm-white);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  padding: 0.85rem 1rem;
  outline: none;
  transition: border-color 0.2s ease;
  -webkit-appearance: none;
  border-radius: 0;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(176, 168, 152, 0.45);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--brown);
}

.form-group textarea {
  height: 140px;
  resize: vertical;
}

.form-submit {
  width: 100%;
  margin-top: 0.5rem;
}

.contact-email-note {
  margin-top: 2rem;
  font-size: 0.82rem;
  color: var(--gray-light);
  text-align: center;
}

.contact-email-note a {
  color: var(--brown-light);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.contact-email-note a:hover { border-color: var(--brown-light); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: #111111;
  border-top: 1px solid rgba(247, 243, 233, 0.06);
  padding: 2.5rem 2rem;
  text-align: center;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: rgba(176, 168, 152, 0.6);
}

.site-footer a {
  color: rgba(176, 168, 152, 0.8);
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.site-footer a:hover {
  color: var(--warm-white);
  border-color: var(--brown);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .preview-grid { grid-template-columns: 1fr 1fr; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .about-story-grid { grid-template-columns: 1fr; gap: 3rem; }
  .social-grid { grid-template-columns: 1fr 1fr; }
  .find-us-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .nav-logo img {
    width: 100px;
    height: 100px;
    margin-top: 8px;
    margin-bottom: -28px;
  }
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0; right: 0;
    background: rgba(26,26,26,0.97);
    padding: 1.5rem 2rem;
    gap: 1rem;
    border-top: 1px solid rgba(247,243,233,0.1);
  }
  .nav-links.open { display: flex; }
  .hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    margin-top: 18px;
    background: none;
    border: none;
    outline: none;
  }
  .hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--warm-white);
    border-radius: 2px;
    transition: all 0.3s;
  }
  .preview-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .social-grid { grid-template-columns: 1fr; }
  .find-us-grid { grid-template-columns: 1fr; }
  .hero-title { letter-spacing: 0.02em; }
  .section-dark,
  .section-charcoal,
  .section-light { padding: 4.5rem 0; }
  .products-section { padding: 4rem 0 5rem; }
}

@media (min-width: 641px) {
  .hamburger { display: none; }
}