/* =============================================================
   Velvet Nail Bar — styles.css
   LeadForge AI · GrowthSite Lab
   ============================================================= */

/* =============================================================
   1. RESET & BASE
   ============================================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--dark);
  background-color: var(--warm-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

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

/* =============================================================
   2. CUSTOM PROPERTIES
   ============================================================= */
:root {
  --warm-white: #FAF7F5;
  --dark: #1C1C1C;
  --rose-gold: #C09080;
  --blush: #F0E4DC;
  --accent-light: #E8D5CB;
  --muted: #999999;
  --white: #FFFFFF;
  --dark-section: #1A1210;
  --border: #EAD8CE;
  --container: 1200px;
  --section-v: 96px;
  --radius: 6px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --transition: all 0.28s ease;
}

/* =============================================================
   3. TYPOGRAPHY
   ============================================================= */
h1, h2, h3, h4 {
  font-family: 'Playfair Display', serif;
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.2rem; font-weight: 600; }

p {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
}

.section-label {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rose-gold);
  margin-bottom: 0.75rem;
}

.section-title {
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 2.5rem;
}

/* =============================================================
   4. LAYOUT
   ============================================================= */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.section-pad {
  padding-block: var(--section-v);
}

/* =============================================================
   5. BUTTONS
   ============================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
}

.btn--primary {
  background-color: var(--rose-gold);
  color: var(--white);
  border: 2px solid var(--rose-gold);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: #a87a6a;
  border-color: #a87a6a;
}

.btn--outline {
  background-color: transparent;
  color: var(--dark);
  border: 2px solid var(--border);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  border-color: var(--rose-gold);
  color: var(--rose-gold);
}

/* =============================================================
   6. HEADER
   ============================================================= */
#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: transparent;
  transition: background-color 0.3s ease, border-bottom 0.3s ease;
}

#site-header.scrolled {
  background-color: var(--warm-white);
  border-bottom: 1px solid var(--border);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 68px;
}

/* Logo */
.logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  text-decoration: none;
  flex-shrink: 0;
}

.logo__primary {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--dark);
  transition: var(--transition);
}

.logo--light .logo__primary {
  color: var(--white);
}

.logo__secondary {
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rose-gold);
  margin-top: 1px;
}

/* Desktop nav */
#desktop-nav {
  display: none;
  margin-left: auto;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__list a {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: 0.875rem;
  color: var(--dark);
  transition: var(--transition);
}

.nav__list a:hover {
  color: var(--rose-gold);
}

.header__cta {
  display: none;
  margin-left: 1rem;
}

/* =============================================================
   7. MOBILE NAV
   ============================================================= */
.burger {
  margin-left: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 4px;
  background: none;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}

.burger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
  transform-origin: center;
}

.burger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.burger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: 0;
  background-color: var(--dark-section);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-nav.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
}

.mobile-nav__link {
  font-family: 'Playfair Display', serif;
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--white);
  transition: var(--transition);
}

.mobile-nav__link:hover {
  color: var(--rose-gold);
}

.mobile-nav__cta {
  margin-top: 1rem;
}

/* =============================================================
   8. HERO
   ============================================================= */
#hero {
  min-height: 100vh;
  background-color: var(--dark-section);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-top: 68px;
}

.hero__inner {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding-block: 5rem 3rem;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--rose-gold);
  border: 1px solid rgba(192, 144, 128, 0.4);
  border-radius: 100px;
  padding: 0.35rem 1rem;
  margin-bottom: 1.75rem;
}

.hero__title {
  color: var(--white);
  font-weight: 700;
  margin-bottom: 1.25rem;
  max-width: 700px;
}

.hero__subtitle {
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 2.5rem;
  max-width: 500px;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__ctas .btn--outline {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.35);
}

.hero__ctas .btn--outline:hover {
  border-color: var(--rose-gold);
  color: var(--rose-gold);
}

.hero__stats {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-block: 2rem;
}

.hero__stats-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.hero__stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.hero__stat-value {
  font-family: 'Playfair Display', serif;
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--white);
}

.hero__stat-label {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.03em;
}

/* =============================================================
   9. SERVICES
   ============================================================= */
.services {
  background-color: var(--warm-white);
}

.services .section-title {
  margin-bottom: 3rem;
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.service-card {
  background-color: var(--white);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.service-card__icon {
  color: var(--rose-gold);
  margin-bottom: 1.25rem;
}

.service-card__title {
  margin-bottom: 0.35rem;
}

.service-card__price {
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--rose-gold);
  margin-bottom: 0.75rem;
}

.service-card__desc {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.6;
}

/* =============================================================
   10. GALLERY
   ============================================================= */
.gallery {
  background-color: var(--white);
}

.gallery .container {
  text-align: center;
  margin-bottom: 2.5rem;
}

.gallery .section-title {
  margin-bottom: 0.5rem;
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
  max-width: 1400px;
  margin-inline: auto;
}

.gallery__item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
  background-color: var(--accent-light);
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
  display: block;
}

.gallery__item:hover img {
  transform: scale(1.04);
}

.gallery__caption {
  position: absolute;
  inset: 0;
  background-color: rgba(26, 18, 16, 0.6);
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.gallery__item:hover .gallery__caption {
  opacity: 1;
}

.gallery__caption span {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--white);
  letter-spacing: 0.04em;
}

/* =============================================================
   11. ABOUT
   ============================================================= */
.about {
  background-color: var(--blush);
}

.about__inner {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.about__image-col img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius);
  background-color: var(--accent-light);
}

.about .section-title {
  margin-bottom: 1.5rem;
}

.about__para {
  font-size: 0.95rem;
  color: rgba(28, 28, 28, 0.8);
  margin-bottom: 1.1rem;
  line-height: 1.75;
}

.about__bullets {
  margin-top: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.about__bullets li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--dark);
}

.about__bullets li svg {
  color: var(--rose-gold);
  flex-shrink: 0;
  margin-top: 2px;
}

/* =============================================================
   12. PROCESS
   ============================================================= */
.process {
  background-color: var(--dark-section);
}

.process .section-title {
  color: var(--white);
  text-align: center;
  margin-bottom: 0.75rem;
}

.process__subtitle {
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 1rem;
  margin-bottom: 3.5rem;
}

.process__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

.process__step {
  text-align: center;
}

.process__number {
  display: block;
  font-family: 'Playfair Display', serif;
  font-weight: 600;
  font-size: 2.5rem;
  color: var(--rose-gold);
  margin-bottom: 0.75rem;
  line-height: 1;
}

.process__step-title {
  color: var(--white);
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.process__step-desc {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.7;
  max-width: 220px;
  margin-inline: auto;
}

/* =============================================================
   13. TESTIMONIALS
   ============================================================= */
.testimonials {
  background-color: var(--warm-white);
}

.testimonials .section-title {
  margin-bottom: 3rem;
}

.testimonials__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.testimonial-card {
  background-color: var(--white);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow);
}

.testimonial-card__stars {
  color: var(--rose-gold);
  font-size: 1rem;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.testimonial-card__quote {
  font-style: normal;
  font-size: 0.925rem;
  line-height: 1.7;
  color: var(--dark);
  margin-bottom: 1.25rem;
}

.testimonial-card__client {
  font-family: 'Inter', sans-serif;
  font-style: normal;
  font-weight: 500;
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* =============================================================
   14. PRICING
   ============================================================= */
.pricing {
  background-color: var(--white);
}

.pricing .section-title {
  margin-bottom: 3rem;
}

.pricing__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.pricing-card {
  border-radius: var(--radius);
  padding: 2.25rem 2rem;
  border: 1px solid var(--border);
  position: relative;
  transition: var(--transition);
}

.pricing-card:hover {
  box-shadow: var(--shadow);
}

.pricing-card--featured {
  background-color: var(--dark-section);
  border-color: var(--dark-section);
  color: var(--white);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--rose-gold);
  color: var(--white);
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 1rem;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-card__name {
  font-family: 'Playfair Display', serif;
  font-weight: 600;
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.pricing-card--featured .pricing-card__name {
  color: var(--white);
}

.pricing-card__price {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 2.25rem;
  color: var(--dark);
  margin-bottom: 0.25rem;
  line-height: 1;
}

.pricing-card--featured .pricing-card__price {
  color: var(--white);
}

.pricing-card__desc {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1.75rem;
}

.pricing-card--featured .pricing-card__desc {
  color: rgba(255, 255, 255, 0.55);
}

.pricing-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 2rem;
}

.pricing-card__features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--dark);
}

.pricing-card--featured .pricing-card__features li {
  color: rgba(255, 255, 255, 0.8);
}

.pricing-card__features li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--rose-gold);
  flex-shrink: 0;
}

.pricing-card__cta {
  width: 100%;
}

.pricing-card .btn--outline {
  border-color: var(--border);
}

.pricing-card .btn--outline:hover {
  border-color: var(--rose-gold);
  color: var(--rose-gold);
}

/* =============================================================
   15. CONTACT & FORM
   ============================================================= */
.contact {
  background-color: var(--blush);
}

.contact__inner {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.contact .section-title {
  margin-bottom: 1.5rem;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact__detail-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--dark);
}

.contact__detail-item svg {
  color: var(--rose-gold);
  flex-shrink: 0;
  margin-top: 1px;
}

.contact__detail-item a {
  color: var(--rose-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact__urgency {
  background-color: rgba(192, 144, 128, 0.12);
  border-left: 3px solid var(--rose-gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 0.85rem 1.1rem;
  font-size: 0.875rem;
  color: var(--dark);
  line-height: 1.55;
}

/* Form */
.booking-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-field label {
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--dark);
}

.form-field input,
.form-field select {
  font-family: 'Inter', sans-serif;
  font-size: 0.925rem;
  color: var(--dark);
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.7rem 0.95rem;
  width: 100%;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  appearance: none;
  -webkit-appearance: none;
}

.form-field input:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--rose-gold);
  box-shadow: 0 0 0 3px rgba(192, 144, 128, 0.15);
}

.form-field input.error,
.form-field select.error {
  border-color: #d9534f;
}

.field-error {
  font-size: 0.78rem;
  color: #d9534f;
  min-height: 1em;
  font-family: 'Inter', sans-serif;
}

.form-submit {
  width: 100%;
  padding: 0.9rem 1.75rem;
  font-size: 0.95rem;
  margin-top: 0.5rem;
}

.form-message {
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  font-size: 0.9rem;
}

.form-message--success {
  background-color: rgba(72, 180, 120, 0.12);
  border: 1px solid rgba(72, 180, 120, 0.4);
  color: #2a6644;
}

.form-message--error {
  background-color: rgba(217, 83, 79, 0.1);
  border: 1px solid rgba(217, 83, 79, 0.35);
  color: #8b2020;
}

/* =============================================================
   16. FOOTER
   ============================================================= */
.footer {
  background-color: var(--dark-section);
  padding-block: 3rem 2rem;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.footer__top {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.75rem;
}

.footer__nav a {
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}

.footer__nav a:hover {
  color: var(--rose-gold);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__bottom p {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer__bottom a {
  color: rgba(255, 255, 255, 0.5);
  transition: var(--transition);
}

.footer__bottom a:hover {
  color: var(--rose-gold);
}

/* =============================================================
   17. SCROLL REVEAL
   ============================================================= */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* =============================================================
   18. RESPONSIVE — 768px+
   ============================================================= */
@media (min-width: 768px) {
  /* Header */
  #desktop-nav {
    display: block;
  }

  .header__cta {
    display: inline-flex;
  }

  .burger {
    display: none;
  }

  /* Hero stats */
  .hero__stats-inner {
    gap: 3.5rem;
  }

  /* Services */
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Gallery */
  .gallery__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  /* About */
  .about__image-col img {
    height: 520px;
  }

  /* Process */
  .process__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }

  /* Testimonials */
  .testimonials__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  /* Pricing */
  .pricing__grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
  }

  /* Contact */
  .contact__inner {
    flex-direction: row;
    gap: 4rem;
  }

  .contact__info {
    flex: 0 0 320px;
  }

  .contact__form-col {
    flex: 1;
  }

  /* Footer */
  .footer__top {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* =============================================================
   18b. RESPONSIVE — 1024px+
   ============================================================= */
@media (min-width: 1024px) {
  /* Services */
  .services__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* About */
  .about__inner {
    flex-direction: row;
    align-items: flex-start;
    gap: 5rem;
  }

  .about__image-col {
    flex: 0 0 420px;
  }

  .about__image-col img {
    height: 560px;
    width: 100%;
  }

  .about__content {
    flex: 1;
    padding-top: 1rem;
  }

  /* Process */
  .process__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
  }

  /* Testimonials */
  .testimonials__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Hero */
  .hero__inner {
    padding-block: 6rem 4rem;
  }
}