/* =========================================
   Erica Saffron — Portfolio
   style.css
   ========================================= */

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

:root {
  --black:      #0a0a0a;
  --gray-800:   #1a1a1a;
  --gray-600:   #555555;
  --gray-400:   #767676;
  --gray-200:   #e8e8e8;
  --gray-100:   #f5f5f5;
  --white:      #ffffff;

  --accent:        #3d4f90;
  --accent-teal:   #3dbfa0;
  --accent-pink:   #e06088;
  --accent-navy:   #3d4f90;
  --accent-bg:     #eef0f9;

  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;

  --nav-h:      64px;
  --max-w:      1160px;
  --content-w:  720px;

  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-pill:100px;

  --ease:       cubic-bezier(0.25, 0.1, 0.25, 1);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--white);
  color: var(--black);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

ul, ol {
  list-style: none;
}

/* ------------------------------------------
   SKIP LINK
------------------------------------------ */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--black);
  color: var(--white);
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  z-index: 9999;
  transition: top 0.1s;
}

.skip-link:focus {
  top: 0;
}

/* ------------------------------------------
   TYPOGRAPHY SCALE
------------------------------------------ */
.t-display {
  font-size: clamp(42px, 7vw, 80px);
  font-weight: 700;
  letter-spacing: -2px;
  line-height: 1.0;
}

.t-h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1.05;
}

.t-h2 {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 600;
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.t-h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.2px;
  line-height: 1.3;
}

.t-body {
  font-size: 16px;
  line-height: 1.75;
  color: var(--gray-600);
}

.t-small {
  font-size: 13px;
  line-height: 1.5;
  color: var(--gray-400);
}

.t-label {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-400);
}

/* ------------------------------------------
   LAYOUT HELPERS
------------------------------------------ */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
}

.content-width {
  max-width: var(--content-w);
}

main {
  flex: 1;
}

/* ------------------------------------------
   NAV
------------------------------------------ */
.nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  height: var(--nav-h);
}

.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--black);
  transition: opacity 0.15s var(--ease);
}

.nav__logo:hover { opacity: 0.6; }

.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav__links a {
  font-size: 14px;
  color: var(--gray-600);
  transition: color 0.15s var(--ease);
}

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

.nav__cta {
  font-size: 13px;
  font-weight: 500;
  background: var(--black);
  color: var(--white) !important;
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  transition: opacity 0.15s var(--ease) !important;
}

.nav__cta:hover { opacity: 0.75 !important; }

/* Mobile nav toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.nav__toggle:focus-visible,
.nav__links a:focus-visible,
.nav__logo:focus-visible {
  outline: 3px solid var(--black);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ------------------------------------------
   FOCUS STYLES (keyboard navigation)
------------------------------------------ */
.btn:focus-visible {
  outline: 3px solid var(--black);
  outline-offset: 3px;
}

.project-card:focus-visible {
  outline: 3px solid var(--black);
  outline-offset: 3px;
}

.filter-btn:focus-visible {
  outline: 3px solid var(--black);
  outline-offset: 3px;
}

.home-hero__social a:focus-visible {
  outline: 3px solid var(--black);
  outline-offset: 3px;
  border-radius: var(--radius-pill);
}

.home-intro__link:focus-visible,
.contact-link:focus-visible,
.back-link:focus-visible,
.footer__nav a:focus-visible {
  outline: 3px solid var(--black);
  outline-offset: 3px;
  border-radius: 2px;
}

.nav--compact .nav__links {
  display: none;
}

.nav--compact .nav__toggle {
  display: flex;
}

.nav--compact .nav__cta {
  display: none;
}

.nav--compact .nav__links.open {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: 24px 20px 28px;
  gap: 24px;
  z-index: 199;
}

.nav--compact .nav__links.open a {
  font-size: 16px;
}

/* ------------------------------------------
   BUTTONS
------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  padding: 5px 20px;
  border-radius: var(--radius-pill);
  transition: opacity 0.15s var(--ease), transform 0.15s var(--ease);
  cursor: pointer;
  border: none;
}

.btn:hover { opacity: 0.8; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--black);
  color: var(--white);
}

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

.btn--outline:hover {
  border-color: var(--black);
  opacity: 1;
}

/* ------------------------------------------
   TAGS / CHIPS
------------------------------------------ */
.tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 400;
  color: var(--gray-600);
  border: 1px solid var(--gray-200);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ------------------------------------------
   DIVIDERS
------------------------------------------ */
.divider {
  border: none;
  border-top: 1px solid var(--gray-200);
  margin: 56px 0;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}

.section-label::before,
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gray-200);
}

.section-label span {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--gray-400);
  white-space: nowrap;
}

/* ------------------------------------------
   MARQUEE / TICKER
------------------------------------------ */
.marquee-wrap {
  overflow: hidden;
  padding: 18px 0;
  margin: 60px 0;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 28s linear infinite;
}

.marquee-track span {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
  padding: 6px 18px;
  border-radius: 999px;
  margin-right: 28px;
}

.marquee-track span.dot::after { content: none; }

.marquee-track span:nth-child(7n+1) { background: #c8ede4; color: #1a6b55; }
.marquee-track span:nth-child(7n+2) { background: #f8d0df; color: #8a2448; }
.marquee-track span:nth-child(7n+3) { background: #dde0f5; color: #2d3d6e; }
.marquee-track span:nth-child(7n+4) { background: #b8e8dc; color: #135c48; }
.marquee-track span:nth-child(7n+5) { background: #f5c8d8; color: #7a1e40; }
.marquee-track span:nth-child(7n+6) { background: #cdd2f0; color: #263578; }
.marquee-track span:nth-child(7n+0) { background: #d8ece6; color: #1e5c4a; }

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-25%); }
}

/* ------------------------------------------
   HOME INTRO
------------------------------------------ */
.home-intro {
  padding: 72px 0;
  border-top: 1px solid var(--gray-200);
}

.home-intro__inner {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 64px;
  align-items: center;
}

.home-intro__photo {
  border-radius: 50%;
  overflow: hidden;
  aspect-ratio: 1;
  background: var(--gray-100);
  box-shadow: 0 10px 30px rgba(17, 24, 39, 0.08);
}

.home-intro__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.home-intro__body {
  font-size: 19px;
  line-height: 1.7;
  color: var(--gray-600);
  margin-bottom: 24px;
  max-width: 58ch;
}

.home-intro__link {
  font-size: 14px;
  font-weight: 500;
  color: var(--black);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1.5px solid var(--black);
  padding-bottom: 2px;
  transition: opacity 0.15s var(--ease);
}

.home-intro__link:hover { opacity: 0.55; }

@media (max-width: 680px) {
  .home-intro__inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .home-intro__photo {
    width: 180px;
    margin: 0 auto;
  }

  .home-intro__photo img {
    width: 100%;
    aspect-ratio: 1;
  }

  .home-intro__body { font-size: 16px; }
}

/* ------------------------------------------
   PROJECT CARDS
------------------------------------------ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.project-card {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
  background: var(--white);
}

.project-card:hover {
  border-color: var(--black);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
}

.project-card__thumb {
  aspect-ratio: 16 / 9;
  background: var(--gray-100);
  overflow: hidden;
}

.project-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.4s var(--ease);
}

.project-card:hover .project-card__thumb img {
  transform: scale(1.04);
}

.project-card__body {
  padding: 20px 24px 24px;
}

.project-card__title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.2px;
  margin-bottom: 10px;
  color: var(--black);
}

.project-card__arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-400);
  margin-top: 14px;
  transition: color 0.15s var(--ease), gap 0.15s var(--ease);
}

.project-card:hover .project-card__arrow {
  color: var(--black);
  gap: 10px;
}

/* ------------------------------------------
   SERVICES ROW
------------------------------------------ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--gray-200);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
}

@media (max-width: 980px) {
  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

.service-item {
  background: var(--white);
  padding: 28px 24px;
  transition: background 0.15s var(--ease);
}

.service-item:hover { background: var(--gray-100); }

.service-item__icon {
  width: 32px;
  height: 32px;
  margin-bottom: 14px;
  color: var(--black);
}

.service-item__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 6px;
}

.service-item__desc {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ------------------------------------------
   FOOTER CTA BAND
------------------------------------------ */
.footer-cta {
  text-align: center;
  padding: 100px 48px;
  border-top: 1px solid var(--gray-200);
}

.footer-cta .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}


.footer-cta__heading {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  letter-spacing: -1.5px;
  margin-bottom: 28px;
  line-height: 1.05;
}

.footer-cta .container > div {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

/* ------------------------------------------
   FOOTER
------------------------------------------ */
footer {
  border-top: 1px solid var(--gray-200);
  padding: 32px 48px;
}

.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-align: center;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.footer__nav a {
  font-size: 13px;
  color: var(--gray-400);
  transition: color 0.15s var(--ease);
}

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

.footer__copy {
  font-size: 12px;
  color: var(--gray-400);
  margin-top: 4px;
}

/* ------------------------------------------
   BACK LINK
------------------------------------------ */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--gray-600);
  margin-bottom: 32px;
  transition: color 0.15s var(--ease);
}

.back-link:hover { color: var(--black); }

.back-link::before { content: '←'; }

/* ------------------------------------------
   CASE STUDY HERO
------------------------------------------ */
.cs-hero {
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: 56px;
}

.cs-hero__layout {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 56px;
  align-items: start;
}

.cs-hero h1 {
  font-size: clamp(28px, 4.5vw, 48px);
  font-weight: 700;
  letter-spacing: -1.2px;
  line-height: 1.08;
  margin-bottom: 16px;
}

.cs-hero__desc {
  font-size: 16px;
  color: var(--gray-600);
  line-height: 1.7;
  margin-top: 16px;
}

.cs-meta {
  border-top: 1px solid var(--gray-200);
  padding-top: 24px;
}

.cs-meta__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-200);
  font-size: 13px;
}

.cs-meta__label { color: var(--gray-400); }
.cs-meta__value { color: var(--black); font-weight: 500; text-align: right; }

/* ------------------------------------------
   CASE STUDY BODY
------------------------------------------ */
.cs-body {
  padding-bottom: 80px;
}

.cs-section {
  margin-bottom: 56px;
}

.cs-section h2 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.3px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: 20px;
}

.cs-section h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 24px 0 8px;
  color: var(--black);
}

.cs-section p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray-600);
  margin-bottom: 14px;
}

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

/* Stat cards */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1px;
  background: var(--gray-200);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 20px 0 28px;
}

.stat {
  background: var(--white);
  padding: 20px 18px;
}

.stat__label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-400);
  margin-bottom: 6px;
}

.stat__value {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--black);
  line-height: 1;
}

.stat__desc {
  font-size: 12px;
  color: var(--gray-600);
  margin-top: 5px;
  line-height: 1.4;
}

/* Insight callout */
.callout {
  border-left: 3px solid var(--black);
  padding: 14px 0 14px 22px;
  margin: 22px 0;
}

.callout__label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-400);
  margin-bottom: 8px;
}

.callout p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.7;
  margin: 0 !important;
}

/* Reflection cards */
.reflections {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.reflection {
  background: var(--gray-100);
  border-radius: var(--radius-md);
  padding: 20px 24px;
}

.reflection__label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-400);
  margin-bottom: 8px;
}

.reflection p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.7;
  margin: 0 !important;
}

/* Skill tags */
.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-tag {
  font-size: 13px;
  background: var(--gray-100);
  color: var(--gray-600);
  padding: 7px 16px;
  border-radius: var(--radius-pill);
}

/* ------------------------------------------
   ABOUT PAGE
------------------------------------------ */
.about-hero {
  padding: 80px 0 60px;
}

.about-hero h1 {
  font-size: clamp(34px, 6vw, 60px);
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1.04;
  max-width: 760px;
  margin-bottom: 32px;
}

.about-hero__image-wrap {
  width: 100%;
  overflow: hidden;
  border-radius: 24px;
}

.about-hero__image-wrap img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.about-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  align-items: start;
  padding: 56px 0;
  border-top: 1px solid var(--gray-200);
}

.about-bio p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray-600);
  margin-bottom: 18px;
}

.about-photo {
  width: 240px;
  border-radius: 50%;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: var(--gray-100);
  box-shadow: 0 10px 30px rgba(17, 24, 39, 0.08);
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Experience timeline */
.exp-section {
  padding: 56px 0;
  border-top: 1px solid var(--gray-200);
}

.exp-list {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.exp-item {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--gray-200);
}

.exp-item:first-child { border-top: 1px solid var(--gray-200); }

.exp-years {
  font-size: 13px;
  color: var(--gray-400);
  padding-top: 2px;
}

.exp-role {
  font-size: 15px;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 2px;
}

.exp-company {
  font-size: 14px;
  color: var(--gray-600);
}

/* Why choose me grid */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 32px;
}

@media (max-width: 900px) {
  .why-grid {
    grid-template-columns: 1fr;
  }
}

.why-item {
  padding: 24px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
}

.why-item__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.why-item__title i,
.why-item__title svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.why-item__title::before {
  content: none;
}

.why-item__desc {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.65;
}

/* ------------------------------------------
   CONTACT PAGE
------------------------------------------ */
.contact-hero {
  padding: 80px 0 56px;
  border-bottom: 1px solid var(--gray-200);
}

.contact-hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1.06;
  margin-bottom: 20px;
}

.contact-hero p {
  font-size: 16px;
  color: var(--gray-600);
  line-height: 1.7;
  max-width: 520px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  padding: 56px 0;
}

.contact-card {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.contact-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.contact-card p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.65;
  margin-bottom: 24px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--gray-600);
  transition: color 0.15s var(--ease);
}

.contact-link:hover { color: var(--black); }

.contact-link svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Contact form */
.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-600);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: var(--font-sans);
  color: var(--black);
  background: var(--white);
  transition: border-color 0.15s var(--ease);
  resize: vertical;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--black);
  outline: 2px solid var(--black);
  outline-offset: 2px;
}

.form-group textarea {
  min-height: 130px;
}

/* ------------------------------------------
   PORTFOLIO PAGE
------------------------------------------ */
.portfolio-hero {
  padding: 80px 0 56px;
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: 56px;
}

.portfolio-hero h1 {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 700;
  letter-spacing: -2px;
  line-height: 1.0;
  margin-bottom: 16px;
}

.portfolio-hero p {
  font-size: 17px;
  color: var(--gray-600);
  line-height: 1.7;
  max-width: 520px;
}

.portfolio-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  font-size: 13px;
  padding: 7px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--gray-200);
  background: var(--white);
  color: var(--gray-600);
  cursor: pointer;
  transition: all 0.15s var(--ease);
}

.filter-btn:hover { border-color: var(--black); color: var(--black); }
.filter-btn.active { background: var(--black); color: var(--white); border-color: var(--black); }

/* ------------------------------------------
   HOME PAGE HERO
------------------------------------------ */
.home-hero {
  padding: 72px 0 56px;
}

.home-hero__eyebrow {
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--black);
  margin-bottom: 14px;
}

.home-hero h1 {
  font-size: clamp(46px, 8vw, 84px);
  font-weight: 700;
  letter-spacing: -2px;
  line-height: 1.02;
  margin-bottom: 16px;
  max-width: 12ch;
}

.home-hero__name {
  display: block;
  font-size: 1em;
}

.home-hero__tagline {
  display: block;
  font-size: 0.78em;
  line-height: 1.03;
  margin-top: 0.15em;
}

.home-hero h1 em {
  font-style: italic;
  font-weight: 300;
  letter-spacing: -1px;
}

.home-hero__sub {
  font-size: 17px;
  color: var(--gray-600);
  line-height: 1.55;
  max-width: 480px;
  margin-bottom: 24px;
}

.home-hero__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.home-hero__social {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.home-hero__social a {
  font-size: 13px;
  font-weight: 500;
  color: var(--black);
  border: 1.5px solid var(--black);
  border-radius: var(--radius-pill);
  padding: 6px 16px;
  transition: opacity 0.15s var(--ease), transform 0.15s var(--ease);
}

.home-hero__social a:hover {
  opacity: 0.55;
  transform: translateY(-1px);
}

/* ------------------------------------------
   RESPONSIVE
------------------------------------------ */
@media (max-width: 900px) {
  .container { padding: 0 32px; }
  .nav__inner { padding: 0 32px; }
  footer { padding: 28px 32px; }
  .footer-cta { padding: 72px 32px; }

  .cs-hero__layout { grid-template-columns: 1fr; gap: 32px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-photo { width: 180px; max-width: 100%; aspect-ratio: 1 / 1; margin: 0 auto; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .nav__inner { padding: 0 20px; }
  footer { padding: 24px 20px; }
  .footer-cta { padding: 56px 20px; }

  .nav__links { display: none; }
  .nav__toggle { display: flex; }
  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 24px 20px 28px;
    gap: 24px;
    z-index: 199;
  }

  .nav--compact .nav__links.open {
    display: flex;
  }

  .nav__links.open a { font-size: 16px; }
  .nav__cta { display: none; }

  .exp-item { grid-template-columns: 1fr; gap: 4px; }
  .footer__inner { flex-direction: column; align-items: flex-start; gap: 16px; }
  .home-hero { padding: 64px 0 56px; }
}

/* ------------------------------------------
   REDUCED MOTION
------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  .marquee-track {
    animation: none;
    transform: none;
  }

  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}