/* ============================================
   FIVE SEVENTEEN PROJECTS
   Typography-led editorial design system
   ============================================ */

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

:root {
  --color-ink: #1a1a18;
  --color-ink-light: #4a4a46;
  --color-ink-muted: #8a8a85;
  --color-surface: #f8f7f4;
  --color-surface-warm: #f2f0eb;
  --color-rule: #d6d4cf;
  --color-accent: #1a1a18;

  --font-serif: 'EB Garamond', 'Georgia', 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, 'Helvetica Neue', sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 9rem;

  --container: 1200px;
  --transition: 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

html {
  font-size: 16px;
  scroll-behavior: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-ink);
  background-color: var(--color-surface);
}

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

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

/* --- Container --- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* --- Typography --- */
h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.01em;
}

.label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background-color var(--transition), backdrop-filter var(--transition);
}

.nav-scrolled {
  background-color: rgba(248, 247, 244, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-mark {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-links a {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
  transition: color 0.4s ease;
}

.nav-links a:hover {
  color: var(--color-ink);
}

.nav-cta {
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--color-ink);
  color: var(--color-ink) !important;
  font-weight: 400 !important;
  transition: background-color var(--transition), color var(--transition) !important;
}

.nav-cta:hover {
  background-color: var(--color-ink);
  color: var(--color-surface) !important;
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-ink);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.open span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-toggle.open span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

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

.mobile-menu-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.mobile-menu-link {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
  color: var(--color-ink);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: var(--space-xl);
  padding-top: calc(var(--space-2xl) + 2rem);
}

.hero .container {
  width: 100%;
}

.hero-content {
  max-width: 780px;
  margin-left: calc(140px + var(--space-md));
}

.hero-label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-md);
}

.hero-title {
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  line-height: 1.08;
  margin-bottom: var(--space-md);
  font-weight: 400;
}

.hero-title em {
  font-style: italic;
  color: var(--color-ink-light);
}

.hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--color-ink-light);
  max-width: 600px;
  margin-bottom: var(--space-lg);
}

.hero-rule {
  width: 100%;
  height: 1px;
  background: var(--color-rule);
  margin-top: var(--space-xl);
}

/* --- Button --- */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  padding: 0.85rem 2rem;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--color-ink);
  color: var(--color-surface);
}

.btn-primary:hover {
  background: var(--color-ink-light);
}

/* --- Sections --- */
.section {
  padding: var(--space-xl) 0;
}

.section-grid {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.section-label {
  padding-top: 0.35rem;
}

.section-grid--wide {
  grid-template-columns: clamp(140px, 18vw, 200px) 1fr;
  gap: var(--space-lg);
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.25;
  max-width: 780px;
  margin-bottom: var(--space-md);
  text-wrap: balance;
}

.section-title--pov {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 400;
  line-height: 1.12;
  max-width: none;
  margin-bottom: var(--space-lg);
}

@media (max-width: 600px) {
  .desktop-break {
    display: none;
  }

  .section-title--pov {
    text-wrap: balance;
  }
}

.section-title--pov em {
  font-style: italic;
  font-size: 0.92em;
  color: var(--color-ink);
  opacity: 0.75;
}
.section-intro {
  font-size: 1.05rem;
  color: var(--color-ink-light);
  max-width: 540px;
  line-height: 1.7;
}

/* --- Divider --- */
.divider {
  border: none;
  height: 1px;
  background: var(--color-rule);
}

/* --- About --- */
.about-text {
  max-width: 540px;
}

.about-text p {
  color: var(--color-ink-light);
  margin-bottom: var(--space-sm);
  font-size: 1.02rem;
  text-wrap: pretty;
}

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

/* --- Services --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-rule);
  margin-top: var(--space-md);
}

.service-card {
  background: var(--color-surface);
  padding: var(--space-lg) var(--space-md);
}

.service-number {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
  display: block;
  margin-bottom: var(--space-sm);
}

.service-title {
  font-size: 1.35rem;
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.service-desc {
  font-size: 0.95rem;
  color: var(--color-ink-light);
  line-height: 1.7;
  max-width: 420px;
}

/* --- Point of View --- */
.section-pov {
  padding: 0;
  display: flex;
  align-items: center;
  min-height: 60vh;
  background-color: #e8e6e3;
  position: relative;
  width: 100vw;
  margin-left: calc(-50vw + 50%);
}

.section-pov .container {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.pov-editorial {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.pov-editorial {
  perspective: 600px;
}

.pov-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  line-height: 1.55;
  font-style: italic;
  color: #d5d3cf;
  margin-bottom: 0;
  transform: translateZ(-200px) rotateX(10deg) scale(0.95);
  opacity: 0.15;
  transition: color 3s cubic-bezier(0.22, 1, 0.36, 1),
              transform 3s cubic-bezier(0.22, 1, 0.36, 1),
              opacity 3s cubic-bezier(0.22, 1, 0.36, 1);
}

.pov-quote.in-focus {
  color: #2a2825;
  transform: translateZ(0) rotateX(0deg) scale(1);
  opacity: 1;
}

.pov-attribution {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--color-ink-muted);
  text-align: right;
}

/* --- Bio --- */
.bio-grid {
  display: grid;
  grid-template-columns: clamp(300px, 38vw, 480px) 1fr;
  gap: var(--space-lg);
  align-items: stretch;
}

.bio-image {
  position: relative;
  overflow: hidden;
}

.bio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  -webkit-user-drag: none;
  user-select: none;
  -webkit-user-select: none;
  pointer-events: none;
}

.bio-content {
  padding-top: 0;
}

.bio-content .label {
  font-size: 0.85rem;
  letter-spacing: 0.12em;
}

.bio-title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 400;
  margin-top: 0.35rem;
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}

.bio-text {
  max-width: 520px;
}

.bio-text p {
  font-size: 1.02rem;
  color: var(--color-ink-light);
  margin-bottom: var(--space-sm);
  line-height: 1.7;
  text-wrap: pretty;
}

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

.bio-dash {
  color: var(--color-ink-muted);
}

/* --- Timeline / Background --- */
.timeline {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--space-xl);
}

.timeline-item {
  display: grid;
  grid-template-columns: clamp(140px, 18vw, 200px) 1fr;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-rule);
}

.timeline-item:last-child {
  border-bottom: 1px solid var(--color-rule);
}

.timeline-period {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.timeline-role {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: 0.5rem;
  color: var(--color-ink);
}

.timeline-orgs {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-sm);
}

.timeline-scope {
  font-size: 0.95rem;
  color: var(--color-ink-light);
  line-height: 1.7;
  max-width: 560px;
}

/* --- Capabilities Grid --- */
.capabilities-header {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-md);
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-rule);
  margin-bottom: var(--space-lg);
}

.capability {
  background: var(--color-surface);
  padding: var(--space-md);
  cursor: default;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (min-width: 601px) {
  .capability {
    height: 140px;
  }
}

.capability-inner {
  transition: transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.capability:hover .capability-inner {
  transform: translateY(-12px);
}

.capability-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: 0;
  color: var(--color-ink);
  transition: margin-bottom 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.capability:hover .capability-title {
  margin-bottom: 0.5rem;
}

.capability-list-wrapper {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.capability:hover .capability-list-wrapper {
  grid-template-rows: 1fr;
}

.capability-list {
  list-style: none;
  padding: 0;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.5s ease 0.15s;
}

.capability:hover .capability-list {
  opacity: 1;
}

.capability-list li {
  font-size: 0.75rem;
  color: var(--color-ink-muted);
  line-height: 1.5;
  padding-left: 0.75rem;
  position: relative;
  margin-bottom: 0.15rem;
}

.capability-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 4px;
  height: 1px;
  background: var(--color-ink-muted);
}

.capability-list li:last-child {
  margin-bottom: 0;
}

.timeline-after-capabilities .timeline-item:first-child {
  border-top: none;
}

/* --- Stats --- */
.experience-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 400;
  line-height: 1;
  margin-bottom: var(--space-xs);
  color: var(--color-ink);
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

/* --- Contact --- */
.section-contact {
  padding-bottom: var(--space-2xl);
}

.contact-text {
  font-size: 1.05rem;
  color: var(--color-ink-light);
  max-width: 540px;
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

/* --- Contact Form --- */
.contact-form {
  max-width: 540px;
  margin-bottom: var(--space-xl);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: 0.5rem;
}

.form-group:has(input:required) .form-label::after,
.form-group:has(textarea:required) .form-label::after {
  content: " *";
  color: var(--color-ink-muted);
  font-weight: 300;
}

.form-input {
  width: 100%;
  padding: 0.75rem 0;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--color-ink);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-rule);
  outline: none;
  transition: border-color var(--transition);
}

.form-input:focus {
  border-color: var(--color-ink);
}

.form-input::placeholder {
  color: var(--color-ink-muted);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.form-submit {
  margin-top: var(--space-md);
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-link {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-rule);
  transition: border-color var(--transition);
}

.contact-link:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

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

.contact-link-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.contact-link-value {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-ink);
}

/* --- Client Logos --- */
.section-logos {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-rule);
}

.logos-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.client-logo {
  max-width: 110px;
  max-height: 24px;
  width: auto;
  height: auto;
  object-fit: contain;
  opacity: 0.35;
  filter: grayscale(100%);
  transition: opacity var(--transition);
}

.client-logo:hover {
  opacity: 0.6;
}

@media (max-width: 768px) {
  .logos-grid {
    justify-content: center;
    gap: var(--space-md) var(--space-lg);
  }

  .client-logo {
    max-width: 90px;
    max-height: 22px;
  }
}

/* --- Footer --- */
.footer {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-rule);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-mark {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 500;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--color-ink-muted);
  letter-spacing: 0.02em;
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger service cards */
.service-card.fade-in:nth-child(2) { transition-delay: 0.08s; }
.service-card.fade-in:nth-child(3) { transition-delay: 0.16s; }
.service-card.fade-in:nth-child(4) { transition-delay: 0.24s; }

.timeline-item.fade-in:nth-child(2) { transition-delay: 0.1s; }
.timeline-item.fade-in:nth-child(3) { transition-delay: 0.2s; }

.stat.fade-in:nth-child(2) { transition-delay: 0.1s; }
.stat.fade-in:nth-child(3) { transition-delay: 0.2s; }

/* Stagger capabilities */
.capability.fade-in:nth-child(2) { transition-delay: 0.06s; }
.capability.fade-in:nth-child(3) { transition-delay: 0.12s; }
.capability.fade-in:nth-child(4) { transition-delay: 0.18s; }
.capability.fade-in:nth-child(5) { transition-delay: 0.24s; }
.capability.fade-in:nth-child(6) { transition-delay: 0.30s; }
.capability.fade-in:nth-child(7) { transition-delay: 0.06s; }
.capability.fade-in:nth-child(8) { transition-delay: 0.12s; }
.capability.fade-in:nth-child(9) { transition-delay: 0.18s; }
.capability.fade-in:nth-child(10) { transition-delay: 0.24s; }
.capability.fade-in:nth-child(11) { transition-delay: 0.30s; }
.capability.fade-in:nth-child(12) { transition-delay: 0.36s; }

/* --- Responsive --- */

/* Tablet — collapse side-label grids & go single-column on card grids */
@media (max-width: 900px) {
  .section-grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .hero-content {
    margin-left: 0;
  }

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

  .timeline-item {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

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

  .experience-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }

  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}

/* Mid-range — bio stacks, stats go single-column */
@media (max-width: 768px) {
  .bio-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .bio-image {
    max-width: 320px;
  }

  .experience-stats {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .footer-inner {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

/* Small — reduce spacing, simplify typography and capabilities */
@media (max-width: 600px) {
  .section {
    padding: 4rem 0;
  }

  .hero {
    min-height: 90vh;
    padding-top: 7rem;
    padding-bottom: 4rem;
  }

  .hero-title {
    font-size: 2.4rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-rule {
    margin-top: 4rem;
  }

  .service-card {
    padding: var(--space-md);
  }

  .pov-quote {
    font-size: 1.3rem;
  }

  .stat-number {
    font-size: 2.4rem;
  }

  .capability {
    min-height: auto;
  }

  .capability:hover .capability-inner {
    transform: none;
  }

  .capability-title {
    margin-bottom: 0.75rem;
  }

  .capability:hover .capability-title {
    margin-bottom: 0.75rem;
  }

  .capability-list-wrapper {
    grid-template-rows: 1fr;
  }

  .capability-list {
    opacity: 1;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .section-contact {
    padding-bottom: 5rem;
  }
}

/* --- Accessibility: Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0s !important;
    animation-duration: 0s !important;
  }

  .pov-quote {
    opacity: 1;
    color: #2a2825;
    transform: none;
  }

  .fade-in {
    opacity: 1 !important;
    transform: none !important;
  }

  .capability-list-wrapper {
    grid-template-rows: 1fr !important;
  }

  .capability-list {
    opacity: 1 !important;
  }
}

/* --- Fallback: if JS fails, show quote --- */
noscript ~ .section-pov .pov-quote,
.pov-quote:not(.in-focus) {
  /* After 4s, force show in case observer never fires */
}

/* --- Selection Color --- */
::selection {
  background: var(--color-ink);
  color: var(--color-surface);
}

/* --- Content Protection --- */
.hero-content,
.bio-content,
.bio-image {
  -webkit-user-select: none;
  user-select: none;
}