/* ========================================
   Custom Properties
   ======================================== */
:root {
  --bg: #F5F2ED;
  --text: #1A1A1A;
  --text-secondary: #6B6560;
  --accent: #2B4EA2;
  --grid-major: rgba(43, 78, 162, 0.12);
  --grid-minor: rgba(43, 78, 162, 0.05);
  --grid-diag: rgba(43, 78, 162, 0.04);
  --border: #DDD8D0;
  --placeholder-bg: #E8E4DD;
  --overlay: rgba(26, 26, 26, 0.8);

  --font-heading: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;

  --nav-height: 3.5rem;
  --ruler-size: 22px;
  --container-max: 1100px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 0.85rem + 0.25vw, 1rem);
  font-weight: 400;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.005em;

  /* Cutting mat grid — blue lines on warm white */
  background-image:
    /* Diagonals (45°) */
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 70px,
      var(--grid-diag) 70px,
      var(--grid-diag) 71px
    ),
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 70px,
      var(--grid-diag) 70px,
      var(--grid-diag) 71px
    ),
    /* Major grid lines (50px) */
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    /* Minor grid lines (10px) */
    linear-gradient(var(--grid-minor) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-minor) 1px, transparent 1px);
  background-size:
    100% 100%,
    100% 100%,
    50px 50px,
    50px 50px,
    10px 10px,
    10px 10px;
  background-position:
    0 0,
    0 0,
    var(--ruler-size) var(--ruler-size),
    var(--ruler-size) var(--ruler-size),
    var(--ruler-size) var(--ruler-size),
    var(--ruler-size) var(--ruler-size);
}

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

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ========================================
   Cutting Mat Rulers
   ======================================== */
.ruler {
  position: fixed;
  z-index: 99;
  background: var(--bg);
  overflow: hidden;
}

.ruler--top {
  top: 0;
  left: var(--ruler-size);
  right: 0;
  height: var(--ruler-size);
  border-bottom: 1px solid var(--grid-major);
  display: flex;
  align-items: flex-end;
}

.ruler--left {
  top: var(--ruler-size);
  left: 0;
  bottom: 0;
  width: var(--ruler-size);
  border-right: 1px solid var(--grid-major);
  display: flex;
  flex-direction: column;
}

.ruler__mark {
  color: var(--accent);
  font-family: var(--font-body);
  font-size: 7px;
  font-weight: 500;
  letter-spacing: 0;
  opacity: 0.5;
  flex-shrink: 0;
  position: relative;
}

.ruler--top .ruler__mark {
  width: 50px;
  text-align: left;
  padding-left: 3px;
  padding-bottom: 2px;
  border-left: 1px solid var(--grid-major);
}

.ruler--left .ruler__mark {
  height: 50px;
  writing-mode: vertical-lr;
  text-orientation: mixed;
  padding-top: 3px;
  padding-right: 2px;
  border-top: 1px solid var(--grid-major);
  display: flex;
  align-items: flex-end;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: var(--ruler-size);
  height: var(--ruler-size);
  background: var(--bg);
  border-right: 1px solid var(--grid-major);
  border-bottom: 1px solid var(--grid-major);
  z-index: 99;
}

/* ========================================
   Layout
   ======================================== */
.container {
  width: 88%;
  max-width: var(--container-max);
  margin: 0 auto;
}

.section {
  padding: clamp(5rem, 10vw, 9rem) 0;
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 1.5rem + 2.5vw, 3.25rem);
  font-weight: 300;
  letter-spacing: 0.01em;
  margin-bottom: 2.5rem;
}

/* ========================================
   Navigation
   ======================================== */
.nav {
  position: fixed;
  top: 0;
  left: var(--ruler-size);
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  z-index: 100;
  transition: background-color 0.3s;
  margin-top: var(--ruler-size);
}

.nav--scrolled {
  background-color: rgba(245, 242, 237, 0.92);
  backdrop-filter: blur(8px);
}

.nav__logo {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  z-index: 101;
}

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

.nav__links a {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color 0.2s;
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--text);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 101;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}

/* ========================================
   Hero
   ======================================== */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: calc(var(--nav-height) + var(--ruler-size));
}

.hero__name {
  font-family: var(--font-heading);
  font-size: clamp(2.75rem, 2rem + 4vw, 5.5rem);
  font-weight: 300;
  line-height: 1;
  letter-spacing: 0.01em;
  margin-bottom: 0.75rem;
}

.hero__title {
  font-size: clamp(0.85rem, 0.75rem + 0.5vw, 1rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.hero__location {
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
}

/* ========================================
   About
   ======================================== */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}

.about__photo {
  margin-top: 0.5rem;
}

.about__lead {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 1.1rem + 1vw, 1.8rem);
  font-weight: 400;
  line-height: 1.35;
  margin-bottom: 1.25rem;
  color: var(--text);
}

.about__col-right > p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.about__col-right > p:last-of-type {
  margin-bottom: 2.5rem;
}

.skills {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  border-top: 1px solid var(--border);
  padding-top: 2rem;
}

.skills__group h3 {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.2rem;
}

.skills__group p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* ========================================
   Placeholders
   ======================================== */
.placeholder {
  background: var(--placeholder-bg);
  border: 1px dashed var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.placeholder span {
  font-size: 0.75rem;
  color: var(--text-secondary);
  opacity: 0.4;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.placeholder--landscape {
  aspect-ratio: 4 / 3;
  width: 100%;
}

.placeholder--square {
  aspect-ratio: 1 / 1;
  width: 100%;
}

/* ========================================
   Filter
   ======================================== */
.filter {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.filter__btn {
  padding: 0;
  border: none;
  border-bottom: 1.5px solid transparent;
  background: none;
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  cursor: pointer;
  padding-bottom: 0.25rem;
  transition: color 0.2s, border-color 0.2s;
}

.filter__btn:hover {
  color: var(--text);
}

.filter__btn.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

/* ========================================
   Project Grid & Cards
   ======================================== */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2.5rem 2rem;
}

.project-card {
  cursor: pointer;
}

.project-card .placeholder,
.project-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  margin-bottom: 0.75rem;
  transition: opacity 0.2s;
}

.project-card:hover .placeholder,
.project-card:hover img {
  opacity: 0.85;
}

.project-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 400;
  margin-bottom: 0.1rem;
}

.project-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.project-card.hidden {
  display: none;
}

/* ========================================
   Fabrication
   ======================================== */
.fab__clients {
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.fab__subheading {
  font-size: 0.75rem;
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.client-list {
  font-family: var(--font-heading);
  font-size: clamp(1.15rem, 0.95rem + 0.8vw, 1.6rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.9;
  color: var(--text-secondary);
}

/* ========================================
   Timeline
   ======================================== */
.timeline {
  margin-bottom: 2.5rem;
}

.timeline__item {
  padding: 1.5rem 0 1.5rem 1.75rem;
  border-left: 1.5px solid var(--border);
  position: relative;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: -3.5px;
  top: 2rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.timeline__item + .timeline__item {
  border-top: none;
}

.timeline__date {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.timeline__item h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: 0.1rem;
}

.timeline__role {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.timeline__item > p:last-child {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* ========================================
   Resume Link
   ======================================== */
.resume-link {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
  transition: opacity 0.2s;
}

.resume-link:hover {
  opacity: 0.7;
}

/* ========================================
   Contact
   ======================================== */
.contact__email {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 1rem + 1.2vw, 2rem);
  font-weight: 300;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
  display: inline-block;
}

.contact__email:hover {
  border-bottom-color: var(--accent);
}

.contact__detail {
  display: block;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
  transition: color 0.2s;
}

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

/* ========================================
   Modal
   ======================================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}

.modal.open {
  opacity: 1;
  pointer-events: all;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: var(--overlay);
  backdrop-filter: blur(4px);
}

.modal__content {
  position: relative;
  width: 90%;
  max-width: 640px;
  background: var(--bg);
  padding: 2rem;
  transform: translateY(12px);
  transition: transform 0.25s;
}

.modal.open .modal__content {
  transform: translateY(0);
}

.modal__close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: none;
  border: none;
  font-size: 1.75rem;
  color: var(--text-secondary);
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
}

.modal__close:hover {
  color: var(--text);
}

.modal__image {
  margin-bottom: 1.25rem;
}

.modal__image .placeholder {
  aspect-ratio: 4 / 3;
  width: 100%;
}

.modal__image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.modal__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 0.25rem;
}

.modal__desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ========================================
   Footer
   ======================================== */
.footer {
  padding: 2.5rem 0;
  font-size: 0.75rem;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
  :root {
    --ruler-size: 16px;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__links {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding-left: 10%;
    gap: 2rem;
    background: var(--bg);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
  }

  .nav__links.open {
    opacity: 1;
    pointer-events: all;
  }

  .nav__links a {
    font-size: 1.25rem;
    text-transform: none;
    letter-spacing: 0;
    color: var(--text);
  }

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

  .about__photo {
    max-width: 200px;
  }

  .about__col-left .section__title {
    margin-bottom: 1.5rem;
  }

  .project-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem 1.5rem;
  }

  .ruler__mark {
    font-size: 6px;
  }
}

@media (max-width: 480px) {
  :root {
    --ruler-size: 14px;
  }

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

  .hero__name {
    font-size: clamp(2.25rem, 9vw, 3rem);
  }
}