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

:root {
  --bg-white: #FFFFFF;
  --bg-warm: #F5EFE6;
  --text-primary: #1A1A1A;
  --text-secondary: #555555;

  /* 8px-based spacing scale in rem for accessibility */
  --spacing-xs: 0.5rem;    /* 8px */
  --spacing-sm: 1rem;      /* 16px */
  --spacing-md: 1.5rem;    /* 24px */
  --spacing-lg: 2.5rem;    /* 40px */
  --spacing-xl: 5rem;      /* 80px — section internal padding */
  --spacing-2xl: 6rem;     /* 96px — between-section gap */
  --spacing-3xl: 8rem;     /* 128px — hero-level breathing room */

  --max-width: 1200px;
  --container-pad: 5%;     /* responsive horizontal gutter */
  --radius: 2px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Montserrat', sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ── Navigation ── */

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-warm);
  border-bottom: 1px solid rgba(26, 26, 26, 0.06);
}

.navbar__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.25rem var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
}

.navbar__link {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-primary);
  padding: 0.5em 0;
  position: relative;
  transition: opacity 0.3s ease;
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--text-primary);
  transition: width 0.3s ease;
}

.navbar__link:hover::after {
  width: 100%;
}

.navbar__link:hover {
  opacity: 0.7;
}

.navbar__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.navbar__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  margin: 5px 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* ── Page Header ── */

.page-header {
  max-width: var(--max-width);
  width: 90%;
  margin: 0 auto;
  padding: var(--spacing-3xl) var(--container-pad) var(--spacing-lg);
  text-align: center;
}

.page-header__title {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-primary);
}

/* ── Section Shared ── */

.section {
  background-color: var(--bg-warm);
  padding: var(--spacing-xl) var(--container-pad);
  margin: var(--spacing-2xl) auto;
  max-width: var(--max-width);
  width: 90%;
  border-radius: var(--radius);
}

.section:first-of-type {
  margin-top: var(--spacing-2xl);
}

.section__title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 3.5rem;
  color: var(--text-primary);
}

/* ── Portfolio ── */

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.portfolio__item {
  position: relative;
  aspect-ratio: 3 / 4;
  background-color: rgba(26, 26, 26, 0.04);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.portfolio__item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(26, 26, 26, 0.1);
}

.portfolio__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  text-transform: lowercase;
}

.portfolio__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.portfolio__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26, 26, 26, 0.5) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: flex-end;
  padding: var(--spacing-md);
}

.portfolio__item:hover .portfolio__overlay {
  opacity: 1;
}

.portfolio__overlay-text {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #FFFFFF;
}

/* ── About ── */

.about__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.about__text h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.5em;
  color: var(--text-primary);
}

.about__text p {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.9;
  color: var(--text-secondary);
  margin-bottom: 1.25em;
}

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

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

.about__photo-frame {
  width: 280px;
  height: 360px;
  border-radius: 50% / 40%;
  background-color: rgba(26, 26, 26, 0.04);
  border: 1px solid rgba(26, 26, 26, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.about__photo-frame span {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.about__photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── Services ── */

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

.service-card {
  background-color: rgba(255, 255, 255, 0.6);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(26, 26, 26, 0.08);
}

.service-card__image {
  width: 100%;
  aspect-ratio: 4 / 5;
  background-color: rgba(26, 26, 26, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.service-card__body {
  padding: 1.25rem 1.25rem 1.75rem;
}

.service-card__title {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 0.6em;
}

.service-card__desc {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.78rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ── Footer ── */

.footer {
  background-color: var(--bg-warm);
  margin: var(--spacing-2xl) auto 0;
  padding: var(--spacing-xl) var(--container-pad) var(--spacing-lg);
  max-width: var(--max-width);
  width: 90%;
  border-radius: var(--radius);
}

.footer__label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer__brand h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 0.75em;
}

.footer__brand p {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.9;
}

.footer__brand a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer__brand a:hover {
  color: var(--text-primary);
}

.footer__social {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid rgba(26, 26, 26, 0.15);
  color: var(--text-primary);
  text-decoration: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.footer__social a:hover {
  background-color: rgba(26, 26, 26, 0.06);
  border-color: rgba(26, 26, 26, 0.3);
}

.footer__social svg {
  width: 1.125rem;
  height: 1.125rem;
  fill: var(--text-primary);
}

.footer__bottom {
  text-align: center;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-sm);
  border-top: 1px solid rgba(26, 26, 26, 0.08);
}

.footer__bottom p {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}

/* ── Responsive: Tablet ── */

@media (max-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── Responsive: Mobile ── */

@media (max-width: 768px) {
  :root {
    --spacing-xl: 3.5rem;
    --spacing-2xl: 3.5rem;
  }

  .navbar__inner {
    justify-content: space-between;
    padding: 1rem var(--container-pad);
  }

  .navbar__toggle {
    display: block;
  }

  .navbar__links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-warm);
    padding: var(--spacing-sm) var(--container-pad) var(--spacing-md);
    border-bottom: 1px solid rgba(26, 26, 26, 0.06);
    gap: 0.25rem;
  }

  .navbar__links.is-open {
    display: flex;
  }

  .navbar__link {
    padding: 0.6em 0;
  }

  .section {
    width: 92%;
  }

  .section__title {
    margin-bottom: 2.5rem;
  }

  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .about__content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-lg);
  }

  .about__photo {
    order: -1;
  }

  .about__photo-frame {
    width: 220px;
    height: 280px;
  }

  .services__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }

  .footer {
    width: 92%;
  }

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

/* ── Responsive: Small Mobile ── */

@media (max-width: 480px) {
  :root {
    --spacing-xl: 2.5rem;
    --spacing-2xl: 2.5rem;
  }

  .section {
    width: 95%;
  }

  .footer {
    width: 95%;
  }

  .section__title {
    margin-bottom: 2rem;
  }

  .portfolio__grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

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

  .service-card__body {
    padding: 1rem 1rem 1.25rem;
  }
}