/* =====================================================
   Seamless Designs — Stylesheet
   ===================================================== */

/* ── Custom properties ── */
:root {
  --clr-bg: #faf8f4;
  --clr-surface: #ffffff;
  --clr-gold: #c9a96e;
  --clr-gold-dark: #a07d48;
  --clr-gold-light: #e8d5b0;
  --clr-text: #2c2519;
  --clr-text-muted: #7a7065;
  --clr-border: #e8e0d4;
  --clr-hero-bg: #1a1510;

  --ff-serif: "Cormorant Garamond", Georgia, serif;
  --ff-sans: "Jost", system-ui, sans-serif;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.375rem;
  --fs-xl: 1.75rem;
  --fs-2xl: 2.5rem;
  --fs-3xl: 3.5rem;
  --fs-hero: clamp(3.5rem, 8vw, 6.5rem);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);

  --transition: 0.3s ease;
  --max-w: 1200px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  font-family: var(--ff-sans);
  font-size: var(--fs-base);
  color: var(--clr-text);
  background: var(--clr-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

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

button {
  font-family: var(--ff-sans);
  cursor: pointer;
  border: none;
  background: none;
}

/* ── Utilities ── */
.container {
  width: min(var(--max-w), 100% - 2.5rem);
  margin-inline: auto;
}

.section {
  padding-block: clamp(4rem, 10vw, 8rem);
}

.section__header {
  text-align: center;
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

.section__label {
  font-family: var(--ff-sans);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clr-gold);
  display: block;
  margin-bottom: 0.5rem;
}

.section__title {
  font-family: var(--ff-serif);
  font-size: clamp(var(--fs-2xl), 4vw, 3rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--clr-text);
  margin-bottom: 1rem;
}

.section__desc {
  color: var(--clr-text-muted);
  font-size: var(--fs-md);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  transition: background var(--transition), color var(--transition),
    border-color var(--transition), transform var(--transition),
    box-shadow var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--clr-gold);
  color: #fff;
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--clr-gold-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(201, 169, 110, 0.4);
}

.btn--outline {
  background: transparent;
  color: var(--clr-gold);
  border: 1.5px solid var(--clr-gold);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  background: var(--clr-gold);
  color: #fff;
  transform: translateY(-1px);
}

/* ── Navigation ── */
.nav {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  padding-block: 1.25rem;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(250, 248, 244, 0.96);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 var(--clr-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(var(--max-w), 100% - 2.5rem);
  margin-inline: auto;
}

.nav__logo {
  font-family: var(--ff-serif);
  font-size: var(--fs-lg);
  font-weight: 400;
  color: #fff;
  transition: color var(--transition);
  white-space: nowrap;
}

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

.nav__links {
  display: flex;
  gap: 2.5rem;
}

.nav__links a {
  font-size: var(--fs-sm);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--transition);
  position: relative;
}

.nav__links a::after {
  content: "";
  position: absolute;
  inset-block-end: -2px;
  inset-inline-start: 0;
  width: 0;
  height: 1px;
  background: var(--clr-gold);
  transition: width var(--transition);
}

.nav__links a:hover::after,
.nav__links a:focus-visible::after {
  width: 100%;
}

.nav.scrolled .nav__links a {
  color: var(--clr-text-muted);
}

.nav__links a:hover,
.nav__links a:focus-visible {
  color: var(--clr-gold);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 2px;
  color: #fff;
}

.nav__toggle span {
  display: block;
  height: 1.5px;
  width: 100%;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav.scrolled .nav__toggle {
  color: var(--clr-text);
}

/* ── Hero ── */
.hero {
  min-height: 100svh;
  background: var(--clr-hero-bg);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 8rem 1.25rem 4rem;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin-inline: auto;
  text-align: center;
}

.hero__tagline {
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--clr-gold);
  margin-bottom: 1.25rem;
}

.hero__title {
  font-family: var(--ff-serif);
  font-size: var(--fs-hero);
  font-weight: 300;
  line-height: 1.05;
  color: #fff;
  margin-bottom: 1.5rem;
}

.hero__title em {
  font-style: italic;
  color: var(--clr-gold-light);
}

.hero__subtitle {
  font-size: var(--fs-md);
  color: rgba(255, 255, 255, 0.65);
  max-width: 460px;
  margin-inline: auto;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

/* Decorative rings */
.hero__decoration {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(201, 169, 110, 0.15);
}

.hero__ring--1 {
  width: 480px;
  height: 480px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.hero__ring--2 {
  width: 700px;
  height: 700px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-color: rgba(201, 169, 110, 0.08);
}

.hero__ring--3 {
  width: 960px;
  height: 960px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-color: rgba(201, 169, 110, 0.05);
}

/* ── Collection ── */
.collection {
  background: var(--clr-bg);
}

.collection__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.45rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  letter-spacing: 0.05em;
  border: 1.5px solid var(--clr-border);
  color: var(--clr-text-muted);
  transition: border-color var(--transition), color var(--transition),
    background var(--transition);
}

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

.filter-btn.active {
  background: var(--clr-gold);
  border-color: var(--clr-gold);
  color: #fff;
}

.collection__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.75rem;
}

/* Cards */
.card {
  background: var(--clr-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.card.hidden {
  display: none;
}

.card__img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 4;
}

.card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.card:hover .card__img {
  transform: scale(1.05);
}

.card__badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: var(--clr-gold);
  color: #fff;
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}

.card__body {
  padding: 1.1rem 1.25rem 1.4rem;
}

.card__category {
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-gold);
  display: block;
  margin-bottom: 0.3rem;
}

.card__title {
  font-family: var(--ff-serif);
  font-size: var(--fs-lg);
  font-weight: 400;
  color: var(--clr-text);
  margin-bottom: 0.4rem;
}

.card__price {
  font-size: var(--fs-md);
  font-weight: 500;
  color: var(--clr-text-muted);
}

/* ── About ── */
.about {
  background: var(--clr-surface);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
}

.about__visual {
  position: relative;
}

.about__img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  box-shadow: var(--shadow-lg);
}

.about__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about__accent {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  width: 60%;
  height: 60%;
  border: 2px solid var(--clr-gold-light);
  border-radius: var(--radius-lg);
  z-index: -1;
}

.about__text .section__title {
  text-align: left;
  margin-bottom: 1.25rem;
}

.about__text .section__label {
  text-align: left;
}

.about__text p {
  color: var(--clr-text-muted);
  margin-bottom: 1rem;
}

.about__text .btn {
  margin-top: 1rem;
}

/* ── Process ── */
.process {
  background: var(--clr-bg);
}

.process__steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  counter-reset: steps;
}

.step {
  padding: 2rem 1.5rem;
  background: var(--clr-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  transition: box-shadow var(--transition), transform var(--transition);
}

.step:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.step__number {
  font-family: var(--ff-serif);
  font-size: 3.5rem;
  font-weight: 300;
  color: var(--clr-gold-light);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.step__title {
  font-family: var(--ff-serif);
  font-size: var(--fs-lg);
  font-weight: 400;
  margin-bottom: 0.5rem;
}

.step__desc {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: 1.7;
}

/* ── Contact ── */
.contact {
  background: var(--clr-surface);
}

.contact__inner {
  max-width: 720px;
}

.contact__form {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

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

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

.form__label {
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--clr-text);
}

.form__input {
  font-family: var(--ff-sans);
  font-size: var(--fs-base);
  color: var(--clr-text);
  background: var(--clr-bg);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 0.7rem 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
}

.form__input:focus {
  border-color: var(--clr-gold);
  box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.15);
}

.form__input--textarea {
  resize: vertical;
  min-height: 130px;
}

.form__note {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  min-height: 1.25rem;
}

.form__note.success {
  color: #4a7c5a;
}

.form__note.error {
  color: #b94040;
}

.contact__email {
  color: var(--clr-gold);
  border-bottom: 1px solid currentColor;
  transition: color var(--transition);
}

.contact__email:hover {
  color: var(--clr-gold-dark);
}

/* ── Footer ── */
.footer {
  background: var(--clr-hero-bg);
  color: rgba(255, 255, 255, 0.7);
  padding-block: 3rem 1.75rem;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 1.5rem;
}

.footer__logo {
  font-family: var(--ff-serif);
  font-size: var(--fs-xl);
  font-weight: 400;
  color: #fff;
  display: block;
  margin-bottom: 0.4rem;
}

.footer__tagline {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.5);
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: center;
}

.footer__nav a {
  font-size: var(--fs-sm);
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition);
}

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

.footer__social {
  display: flex;
  gap: 1rem;
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.6);
  transition: border-color var(--transition), color var(--transition),
    background var(--transition);
}

.footer__social-link:hover {
  border-color: var(--clr-gold);
  color: var(--clr-gold);
  background: rgba(201, 169, 110, 0.1);
}

.footer__copy {
  text-align: center;
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.35);
  width: min(var(--max-w), 100% - 2.5rem);
  margin-inline: auto;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--clr-hero-bg);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    z-index: 99;
  }

  .nav__links.open {
    display: flex;
  }

  .nav__links a {
    font-size: var(--fs-xl);
    color: rgba(255, 255, 255, 0.85);
  }

  .nav__toggle {
    display: flex;
    z-index: 101;
    position: relative;
  }

  .nav__toggle.open span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
  }

  .nav__toggle.open span:nth-child(2) {
    opacity: 0;
  }

  .nav__toggle.open span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
  }

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

  .about__accent {
    display: none;
  }

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

  .footer__inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer__nav {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .collection__grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

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