/* ============================================================
   GRETCHEN LAUTENSCHLAGER PORTFOLIO — MAIN STYLES
   ============================================================ */

/* ---- LAYOUT ---- */
.container {
  width: 100%;
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}
.container--wide {
  max-width: var(--content-wide);
}
.container--narrow {
  max-width: var(--content-narrow);
}

/* ---- HEADER / NAV ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow var(--transition-slow);
}
.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.nav-logo svg {
  flex-shrink: 0;
}
.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.nav-logo-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.01em;
}
.nav-logo-title {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}
.nav-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  font-weight: 500;
  text-transform: uppercase;
}
.nav-links a:hover {
  color: var(--color-primary);
}
.nav-links a.active {
  color: var(--color-text);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: var(--color-primary);
  color: #fff !important;
  border-radius: var(--radius-full);
  font-size: var(--text-sm) !important;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: none !important;
}
.nav-cta:hover {
  background: var(--color-primary-hover) !important;
  color: #fff !important;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

/* Mobile nav */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  border-radius: var(--radius-md);
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.mobile-menu {
  display: none;
  padding: var(--space-6);
  border-top: 1px solid var(--color-divider);
  flex-direction: column;
  gap: var(--space-4);
}
.mobile-menu a {
  font-size: var(--text-base);
  color: var(--color-text);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
}
.mobile-menu.open { display: flex; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
}

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    var(--color-surface-offset) 0%,
    var(--color-bg) 50%,
    var(--color-surface) 100%
  );
  z-index: 0;
}
/* Subtle botanical pattern overlay */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
    ellipse at 70% 40%,
    color-mix(in oklab, var(--color-primary) 6%, transparent) 0%,
    transparent 60%
  ),
  radial-gradient(
    ellipse at 20% 80%,
    color-mix(in oklab, var(--color-blush) 8%, transparent) 0%,
    transparent 50%
  );
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 1;
  padding-block: clamp(var(--space-20), 12vw, var(--space-32));
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-6);
}
.hero-eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1.5px;
  background: var(--color-primary);
}
.hero-heading {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  max-width: 14ch;
}
.hero-heading em {
  font-style: italic;
  color: var(--color-primary);
}
.hero-subhead {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  font-weight: 300;
  max-width: 52ch;
  line-height: 1.65;
  margin-bottom: var(--space-10);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  border: 1.5px solid var(--color-border);
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  font-weight: 500;
  font-size: var(--text-sm);
}
.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.hero-scroll {
  position: absolute;
  bottom: var(--space-10);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-text-faint), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.1); }
}

/* ---- CREDENTIAL STRIP ---- */
.credential-strip {
  padding-block: var(--space-8);
  border-block: 1px solid var(--color-divider);
  background: var(--color-surface);
}
.credential-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6) var(--space-12);
  align-items: center;
  justify-content: center;
}
.credential-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.credential-icon {
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ---- SECTION BASE ---- */
.section {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
}
.section--alt {
  background: var(--color-surface-offset);
}
.section--surface {
  background: var(--color-surface);
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-4);
}
.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-primary);
}
.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  line-height: 1.1;
}
.section-subhead {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 56ch;
  line-height: 1.65;
  margin-bottom: var(--space-12);
}

/* ---- FEATURED PROJECTS (homepage) ---- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: var(--space-8);
}
.project-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.project-card-image {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--color-surface-offset);
  overflow: hidden;
  position: relative;
}
.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16,1,0.3,1);
}
.project-card:hover .project-card-image img {
  transform: scale(1.04);
}
.project-card-body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}
.project-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.project-card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  line-height: 1.2;
}
.project-card-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: var(--space-5);
}
.project-tools {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.tool-badge {
  padding: var(--space-1) var(--space-3);
  background: var(--color-surface-offset);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}
.project-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-top: auto;
}
.project-card-link:hover {
  color: var(--color-primary-hover);
  gap: var(--space-3);
}
.project-card-link svg {
  transition: transform var(--transition-interactive);
}
.project-card-link:hover svg {
  transform: translateX(3px);
}

/* ---- ABOUT SNAPSHOT (homepage) ---- */
.about-snapshot {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: center;
}
.about-photo-wrap {
  position: relative;
}
.about-photo-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
  background: var(--color-surface-offset);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
}
.about-photo-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-accent-box {
  position: absolute;
  bottom: -var(--space-6);
  right: -var(--space-6);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-md);
}
.about-accent-stat {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1;
}
.about-accent-label {
  font-size: var(--text-xs);
  opacity: 0.85;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.about-text .section-heading {
  margin-bottom: var(--space-5);
}
.about-text p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-5);
}
.about-skills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}
.skill-pill {
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary-highlight);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.04em;
}

@media (max-width: 700px) {
  .about-snapshot { grid-template-columns: 1fr; }
  .about-photo-wrap { max-width: 320px; margin-inline: auto; }
}

/* ---- PROCESS STRIP ---- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
  gap: var(--space-6);
}
.process-step {
  text-align: center;
  padding: var(--space-8) var(--space-5);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}
.process-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-primary);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: var(--space-3);
}
.process-step-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}
.process-step-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ---- CASE STUDY PAGE ---- */
.case-hero {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  background: var(--color-surface-offset);
  border-bottom: 1px solid var(--color-divider);
}
.case-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}
.case-breadcrumb a:hover { color: var(--color-primary); }
.case-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-6);
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-divider);
  margin-top: var(--space-8);
}
.case-meta-item label {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  font-weight: 600;
  display: block;
  margin-bottom: var(--space-1);
}
.case-meta-item span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.case-section {
  padding-block: var(--space-16);
  border-bottom: 1px solid var(--color-divider);
}
.case-section:last-child { border-bottom: none; }

.case-section-label {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: var(--space-4);
}
.case-section h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-5);
}
.case-section p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-4);
}
.case-section ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.case-section ul li {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.6;
}
.case-section ul li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  margin-top: 0.55em;
  flex-shrink: 0;
}

.case-callout {
  background: var(--color-primary-highlight);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-6) var(--space-8);
  margin-block: var(--space-8);
}
.case-callout p {
  color: var(--color-text) !important;
  font-style: italic;
  font-family: var(--font-display);
  font-size: var(--text-lg) !important;
  line-height: 1.5 !important;
}

.case-results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-8);
}
.result-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
}
.result-stat {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}
.result-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.case-artifact-upload {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-12) var(--space-8);
  text-align: center;
  background: var(--color-surface);
  transition: border-color var(--transition-interactive), background var(--transition-interactive);
  cursor: pointer;
  position: relative;
}
.case-artifact-upload:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
}
.case-artifact-upload input[type="file"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}
.upload-icon {
  margin-inline: auto;
  margin-bottom: var(--space-3);
  color: var(--color-primary);
  opacity: 0.6;
}
.upload-title {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.upload-hint {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.uploaded-file {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  margin-top: var(--space-3);
}
.uploaded-file-name {
  font-size: var(--text-sm);
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.uploaded-file-remove {
  color: var(--color-text-faint);
  font-size: var(--text-xs);
}
.uploaded-file-remove:hover { color: var(--color-text); }

/* ---- ABOUT PAGE ---- */
.about-full-hero {
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
  background: var(--color-surface-offset);
}
.about-full-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: clamp(var(--space-12), 6vw, var(--space-20));
  align-items: start;
}
.about-sidebar {
  position: sticky;
  top: calc(var(--space-20) + var(--space-4));
}
.about-photo-full {
  width: 100%;
  aspect-ratio: 3/4;
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-6);
}
.about-photo-full img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-contact-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.about-contact-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.about-contact-link:hover {
  color: var(--color-primary);
  border-color: var(--color-primary-highlight);
  background: var(--color-primary-highlight);
}
.about-main-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}
.about-main-content p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-5);
}
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  padding-left: var(--space-8);
}
.timeline::before {
  content: '';
  position: absolute;
  left: var(--space-3);
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--color-divider);
}
.timeline-item {
  position: relative;
  padding-bottom: var(--space-8);
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-5) + 1px);
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  border: 2px solid var(--color-bg);
}
.timeline-date {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-1);
}
.timeline-role {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}
.timeline-org {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}
.timeline-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* Resume download */
.resume-download-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}
.resume-download-card .resume-icon {
  color: var(--color-primary);
  flex-shrink: 0;
}
.resume-download-text {
  flex: 1;
}
.resume-download-text h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  margin-bottom: var(--space-2);
}
.resume-download-text p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.5;
}
.resume-upload-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  overflow: hidden;
}
.resume-upload-btn:hover {
  background: var(--color-primary-hover);
}
.resume-upload-btn input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.resume-file-info {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  display: none;
}

@media (max-width: 768px) {
  .about-full-layout {
    grid-template-columns: 1fr;
  }
  .about-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }
  .about-photo-full {
    aspect-ratio: 1/1;
    border-radius: var(--radius-xl);
  }
}
@media (max-width: 480px) {
  .about-sidebar {
    grid-template-columns: 1fr;
  }
}

/* ---- CONTACT PAGE ---- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(var(--space-12), 6vw, var(--space-20));
  align-items: start;
}
.contact-info h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: var(--space-5);
}
.contact-info p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-8);
}
.contact-direct-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.contact-link-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-interactive);
}
.contact-link-item:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
}
.contact-link-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-highlight);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  flex-shrink: 0;
}
.contact-link-details span {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-1);
}
.contact-link-details strong {
  font-size: var(--text-sm);
  color: var(--color-text);
}

.contact-form-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: clamp(var(--space-8), 4vw, var(--space-12));
}
.contact-form-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  margin-bottom: var(--space-8);
}
.form-group {
  margin-bottom: var(--space-5);
}
.form-group label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
  appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}
.form-group textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.6;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-faint);
}
.form-submit {
  width: 100%;
  padding: var(--space-4);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  border: none;
  transition: all var(--transition-interactive);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}
.form-submit:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.form-success {
  display: none;
  text-align: center;
  padding: var(--space-8);
}
.form-success-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
}
.form-success h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  margin-bottom: var(--space-3);
}
.form-success p {
  color: var(--color-text-muted);
}

@media (max-width: 700px) {
  .contact-layout { grid-template-columns: 1fr; }
}

/* ---- FOOTER ---- */
.site-footer {
  padding-block: var(--space-12);
  border-top: 1px solid var(--color-divider);
  background: var(--color-surface);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer-links {
  display: flex;
  gap: var(--space-6);
}
.footer-links a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.footer-links a:hover {
  color: var(--color-primary);
}

/* ---- PAGE INDICATOR / ACTIVE NAV ---- */
.page-portfolio .nav-portfolio,
.page-about .nav-about,
.page-contact .nav-contact,
.page-home .nav-home {
  color: var(--color-text) !important;
}

/* ---- ANIMATIONS ---- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1),
              transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }

/* ---- PORTFOLIO LIST PAGE ---- */
.portfolio-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}
.portfolio-list-item {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: var(--space-10);
  align-items: center;
  padding: var(--space-10);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.portfolio-list-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.portfolio-list-image {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--color-surface-offset);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.portfolio-list-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.portfolio-list-content .project-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--color-primary);
  opacity: 0.2;
  line-height: 1;
  margin-bottom: var(--space-2);
}
.portfolio-list-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  line-height: 1.2;
}
.portfolio-list-content p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

@media (max-width: 700px) {
  .portfolio-list-item {
    grid-template-columns: 1fr;
  }
}