/* ==========================================================================
   Components — Étude Lubishtani
   ========================================================================== */

/* Body offset for fixed header */
body { padding-top: 72px; }

/* Diagonal lines — top-left corner, fixed */
.diagonal-lines {
  position: absolute;
  top: -72px;
  left: 0;
  width: 100%;
  height: calc(100% + 72px);
  pointer-events: none;
  z-index: 1;
  background-image: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 14px,
    rgba(109, 7, 26, 0.07) 14px,
    rgba(109, 7, 26, 0.07) 15px
  );
  mask-image: radial-gradient(ellipse 140% 140% at 0% 0%, black 15%, transparent 50%);
  -webkit-mask-image: radial-gradient(ellipse 140% 140% at 0% 0%, black 15%, transparent 50%);
}

/* Ambient gradient blobs */
body::before,
body::after {
  content: '';
  position: fixed;
  z-index: -1;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(120px);
}

body::before {
  width: 600px;
  height: 600px;
  bottom: -100px;
  left: -100px;
  background: radial-gradient(circle, rgba(156, 130, 74, 0.08) 0%, transparent 70%);
}

body::after {
  width: 500px;
  height: 500px;
  top: 30%;
  right: -80px;
  background: radial-gradient(circle, rgba(109, 7, 26, 0.05) 0%, transparent 70%);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--space-container);
  margin: 0 auto;
  padding: 0 var(--space-m);
}

/* Section */
.section {
  padding: var(--space-4xl) 0;
}

.section--alt {
  background-color: var(--color-third);
}

/* Section Header — title + gold underline */
.section-header {
  margin-bottom: var(--space-3xl);
}

.section-header h2 {
  letter-spacing: 0.08em;
  margin-bottom: var(--space-s);
}

.section-header__line {
  width: 60px;
  height: 2px;
  background-color: var(--color-secondary);
}

.section-header--center {
  text-align: center;
}

.section-header--center .section-header__line {
  margin: 0 auto;
}

.section-header--row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-l);
}

.section-header--row .btn {
  white-space: nowrap;
  margin-bottom: 2px;
}

@media (max-width: 767px) {
  .section-header--row {
    flex-direction: column;
    align-items: stretch;
  }
  .section-header--row .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ==========================================================================
   Fixed Sidebar
   ========================================================================== */

.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-m);
  z-index: 50;
}

.sidebar a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 43px;
  height: 43px;
  border-radius: 50%;
  background-color: var(--color-white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  color: var(--color-text);
  transition: color 0.3s ease, box-shadow 0.3s ease;
  font-size: 1.3rem;
}

.sidebar a:hover {
  color: var(--color-primary);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.sidebar__line {
  width: 1px;
  height: 24px;
  background-color: var(--color-secondary);
}

@media (max-width: 991px) {
  .sidebar { display: none; }
}

/* ==========================================================================
   Header
   ========================================================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: transparent;
  transition: background-color 0.4s ease, border-color 0.4s ease;
  border-bottom: 1px solid transparent;
}

.header.scrolled {
  background-color: rgba(250, 250, 248, 0.97);
  border-bottom-color: var(--color-secondary);
}

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

.header__logo {
  font-family: 'ITC Blair', system-ui, sans-serif;
  font-size: clamp(1rem, 0.5vi + 0.9rem, 1.25rem);
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.header__logo:hover {
  color: var(--color-primary);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-l);
}

.header__nav a {
  font-size: var(--text-xs);
  color: var(--color-black);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  transition: color 0.3s ease;
  position: relative;
}

.header__nav a::after {
  display: none;
}

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

.header__nav a.active {
  color: var(--color-primary);
}

/* Nav Contact button */
.header__nav-btn {
  border: 1px solid var(--color-primary) !important;
  padding: var(--space-2xs) var(--space-m);
  transition: background-color 0.3s ease, color 0.3s ease !important;
}

.header__nav-btn:hover {
  background-color: var(--color-primary);
  color: var(--color-white) !important;
}

.header__nav-btn::after {
  display: none !important;
}

/* Burger */
.header__burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  padding: var(--space-2xs);
  cursor: pointer;
}

.header__burger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background-color: var(--color-primary);
  transition: transform 0.3s ease, opacity 0.3s ease, background-color 0.3s ease;
}

.header__burger:hover span {
  background-color: var(--color-secondary);
}

/* Mobile Menu */
.header__mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--color-bg);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-m);
  z-index: 101;
}

.header__mobile-menu.open {
  display: flex;
}

.header__mobile-menu::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 14px,
    rgba(109, 7, 26, 0.07) 14px,
    rgba(109, 7, 26, 0.07) 15px
  );
  mask-image: radial-gradient(ellipse 140% 140% at 0% 0%, black 15%, transparent 50%);
  -webkit-mask-image: radial-gradient(ellipse 140% 140% at 0% 0%, black 15%, transparent 50%);
}

.header__mobile-menu a {
  font-family: var(--font-heading);
  font-size: var(--h2);
  color: var(--color-primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header__mobile-menu .header__logo {
  font-family: 'ITC Blair', system-ui, sans-serif;
  font-weight: 500;
  font-size: var(--text-l);
}

.header__mobile-menu a:hover {
  color: var(--color-secondary);
}

.header__mobile-menu .header__nav-btn {
  font-size: var(--h3);
  border-color: var(--color-primary);
  color: var(--color-primary);
  padding: var(--space-xs) var(--space-xl);
}

.header__mobile-menu .header__nav-btn:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.mobile-menu__socials {
  display: flex;
  gap: var(--space-l);
  margin-top: var(--space-xl);
}

.mobile-menu__socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  color: var(--color-text);
  font-size: 1.4rem;
  transition: color 0.3s ease;
}

.mobile-menu__socials a:hover {
  color: var(--color-primary);
}

.header__mobile-close {
  position: absolute;
  top: var(--space-m);
  right: var(--space-m);
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--color-primary);
  line-height: 1;
  transition: color 0.3s ease;
}

.header__mobile-close:hover {
  color: var(--color-secondary);
}

@media (max-width: 991px) {
  .header__nav { display: none; }
  .header__burger { display: flex; }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4xl) 0;
  position: relative;
}

.hero__mesh {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero__mesh span {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.hero__mesh span:nth-child(1) {
  width: 1400px;
  height: 1400px;
  top: -5%;
  left: 20%;
  background: radial-gradient(circle, rgba(156, 130, 74, 0.3) 0%, rgba(156, 130, 74, 0.09) 45%, transparent 70%);
}

.hero__mesh span:nth-child(2) {
  display: none;
}

.hero__mesh span:nth-child(3) {
  display: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

@media (max-width: 767px) {
  .hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.hero__portrait {
  display: flex;
  justify-content: center;
  position: relative;
}

.hero__portrait::before,
.hero__portrait::after {
  content: '';
  position: absolute;
  width: 40px;
  height: 40px;
  border-color: var(--color-secondary);
  border-style: solid;
  z-index: 1;
  pointer-events: none;
}

.hero__portrait::before {
  top: -12px;
  right: calc(50% - 232px);
  border-width: 2px 2px 0 0;
}

.hero__portrait::after {
  bottom: -12px;
  left: calc(50% - 232px);
  border-width: 0 0 2px 2px;
}

.hero__portrait img {
  width: 100%;
  max-width: 440px;
  aspect-ratio: 2 / 3;
  object-fit: cover;
}

.hero__portrait-placeholder {
  width: 100%;
  max-width: 440px;
  aspect-ratio: 2 / 3;
  background-color: var(--color-third);
  border-bottom: 3px solid var(--color-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  color: var(--color-border);
}

.hero__portrait-placeholder i {
  font-size: 3rem;
}

.hero__portrait-placeholder span {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero__pre {
  font-size: var(--text-s);
  letter-spacing: 0.25em;
  color: var(--color-secondary);
  font-weight: 600;
  margin-bottom: var(--space-l);
}

.hero__gold-line {
  width: 60px;
  height: 1px;
  background-color: var(--color-secondary);
  margin: var(--space-l) 0;
}

@media (max-width: 767px) {
  .hero__gold-line {
    margin: var(--space-l) auto;
  }
  .hero__portrait::before,
  .hero__portrait::after {
    display: none;
  }
}

.hero__title {
  font-size: clamp(3.5rem, 8vw + 1rem, 8rem);
  color: var(--color-primary);
  letter-spacing: 0.06em;
  line-height: 0.95;
  margin: var(--space-s) 0;
}

.hero__subtitle {
  font-family: 'Nunito Sans', system-ui, sans-serif;
  font-size: var(--text-l);
  color: var(--color-text);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: var(--space-l);
  font-weight: 300;
}

.hero__desc {
  font-size: var(--text-m);
  color: var(--color-text);
  margin-top: var(--space-m);
  line-height: 1.8;
}

.hero__cta {
  margin-top: var(--space-2xl);
}

/* ==========================================================================
   À propos
   ========================================================================== */

.apropos__text {
  line-height: 1.9;
}

.apropos__text p {
  margin-bottom: var(--space-m);
}

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

.apropos__expertises {
  margin-top: var(--space-3xl);
}

/* ==========================================================================
   Expertise Cards
   ========================================================================== */

.expertise-card {
  padding: var(--space-xl) 0;
  transition: transform 0.3s ease;
}

.expertise-card:hover {
  transform: translateY(-4px);
}

.expertise-card__icon {
  font-size: 2.2rem;
  color: var(--color-secondary);
  margin-bottom: var(--space-s);
  line-height: 1;
}

.expertise-card__number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 1vw + 1.5rem, 2.5rem);
  color: var(--color-secondary);
  line-height: 1;
  margin-bottom: var(--space-m);
  letter-spacing: 0.05em;
}

.expertise-card h3 {
  margin-bottom: var(--space-s);
  color: var(--color-primary);
  letter-spacing: 0.06em;
}

.expertise-card p {
  line-height: 1.8;
}

/* ==========================================================================
   Timeline (Parcours)
   ========================================================================== */

/* Parcours grid — photo left, timeline right */
.parcours__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

@media (max-width: 767px) {
  .parcours__grid {
    grid-template-columns: 1fr;
    gap: var(--space-l);
  }
  .section-header {
    margin-bottom: var(--space-m);
  }
}

.parcours__photo {
  position: sticky;
  top: calc(72px + var(--space-xl));
}

.parcours__photo::before,
.parcours__photo::after {
  content: '';
  position: absolute;
  width: 40px;
  height: 40px;
  border-color: var(--color-secondary);
  border-style: solid;
  z-index: 1;
  pointer-events: none;
}

.parcours__photo::before {
  top: -12px;
  left: -12px;
  border-width: 2px 0 0 2px;
}

.parcours__photo::after {
  bottom: -12px;
  right: -12px;
  border-width: 0 2px 2px 0;
}

@media (max-width: 767px) {
  .parcours__photo {
    position: relative;
    top: 0;
  }
  .parcours__photo::before,
  .parcours__photo::after {
    display: none;
  }
}

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

.parcours__photo-placeholder {
  width: 100%;
  aspect-ratio: 3 / 4;
  background-color: var(--color-border);
  border-bottom: 3px solid var(--color-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  color: var(--color-text);
}

.parcours__photo-placeholder i {
  font-size: 3rem;
  opacity: 0.3;
}

.parcours__photo-placeholder span {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.3;
}

.timeline {
  position: relative;
  padding-left: var(--space-3xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background-color: var(--color-secondary);
}

.timeline__item {
  position: relative;
  padding-bottom: var(--space-xl);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-3xl));
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--color-secondary);
  transform: translateX(-4px);
}

.timeline__year {
  font-family: var(--font-heading);
  font-size: var(--h4);
  color: var(--color-primary);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-3xs);
}

.timeline__role {
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-3xs);
}

.timeline__place {
  color: var(--color-text);
  font-size: var(--text-s);
}

/* ==========================================================================
   Press Cards
   ========================================================================== */

.press-card {
  background-color: var(--color-white);
  overflow: hidden;
  transition: transform 0.3s ease;
}

.press-card:hover {
  transform: translateY(-4px);
}

.press-card__img {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.press-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
  border-bottom: 3px solid var(--color-secondary);
}

.press-card:hover .press-card__img img {
  transform: scale(1.03);
}

.press-card__img-placeholder {
  width: 100%;
  height: 100%;
  background-color: var(--color-third);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-border);
  font-size: 2rem;
}

.press-card__body {
  padding: var(--space-m) var(--space-l) var(--space-l);
}

.press-card__source {
  font-family: var(--font-heading);
  font-size: var(--h5);
  color: var(--color-secondary);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2xs);
}

.press-card__title {
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-xs);
  line-height: 1.5;
}

.press-card__date {
  font-size: var(--text-xs);
  color: var(--color-text);
  margin-bottom: var(--space-s);
}

.press-card__link {
  font-size: var(--text-xs);
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  transition: color 0.3s ease;
}

.press-card__link i {
  margin-left: 4px;
  font-size: 0.85em;
  vertical-align: 0;
  transition: transform 0.3s ease;
  display: inline-block;
}

.press-card__link:hover {
  color: var(--color-primary);
}

.press-card__link:hover i {
  transform: translateX(3px);
}

/* ==========================================================================
   Publication & Conference Items
   ========================================================================== */

.pub-item {
  padding: var(--space-l) 0;
  border-bottom: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-l);
  align-items: start;
}

.pub-item:first-child {
  padding-top: 0;
}

.pub-item:last-child {
  border-bottom: none;
}

.pub-item__title {
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-3xs);
  line-height: 1.5;
}

.pub-item__source {
  font-size: var(--text-s);
  color: var(--color-text);
}

.pub-item__year {
  font-family: var(--font-heading);
  font-size: var(--h4);
  color: var(--color-secondary);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.pub-item__link {
  color: var(--color-secondary);
  font-size: 1.2rem;
  transition: color 0.3s ease, transform 0.3s ease;
  display: flex;
  align-items: center;
  padding-left: var(--space-m);
}

.pub-item__link:hover {
  color: var(--color-primary);
  transform: translateX(3px);
}

@media (max-width: 478px) {
  .pub-item {
    grid-template-columns: 1fr;
    gap: var(--space-2xs);
  }
}

/* ==========================================================================
   Conference CTA — full width
   ========================================================================== */

.conference-cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, #4A0512 100%);
  color: var(--color-white);
  text-align: center;
}

.conference-cta__inner {
  padding: var(--space-4xl) var(--space-m);
  max-width: 800px;
  margin: 0 auto;
}

.conference-cta__label {
  font-size: var(--text-s);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-secondary);
  margin-bottom: var(--space-l);
  font-weight: 600;
}

.conference-cta__label i {
  margin-right: 6px;
  vertical-align: -1px;
}

.conference-cta__title {
  color: var(--color-white);
  font-size: clamp(1.8rem, 3vw + 0.5rem, 3rem);
  letter-spacing: 0.04em;
  line-height: 1.15;
  margin-bottom: var(--space-xl);
}

.conference-cta__details {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-s);
}

.conference-cta__details i {
  margin-right: 4px;
  color: var(--color-secondary);
  vertical-align: -1px;
}

.conference-cta__btn {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.conference-cta__btn:hover {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.section--contact {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.section--contact h2 {
  color: var(--color-white);
}

.section--contact .section-header__line {
  background-color: var(--color-secondary);
}

.contact-building {
  margin-bottom: var(--space-xl);
}

.contact-building img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-bottom: 2px solid var(--color-secondary);
}

.contact-building__placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: rgba(255, 255, 255, 0.08);
  border-bottom: 2px solid var(--color-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  color: rgba(255, 255, 255, 0.25);
}

.contact-building__placeholder i {
  font-size: 2.5rem;
}

.contact-building__placeholder span {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.contact-info__highlight {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
  flex-wrap: nowrap;
}

@media (max-width: 767px) {
  .contact-info__highlight {
    flex-direction: column;
    align-items: center;
    gap: var(--space-s);
  }
}

.contact-info__big {
  font-family: var(--font-heading);
  font-size: var(--h3);
  color: var(--color-white);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  transition: color 0.3s ease;
}

.contact-info__big i {
  color: var(--color-secondary);
  font-size: 0.9em;
}

.contact-info__big:hover {
  color: var(--color-secondary);
}

.contact-info__item {
  margin-bottom: var(--space-l);
}

.contact-info__photo-wrapper {
  position: relative;
}

.contact-info__photo {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.contact-info__photo-wrapper::before,
.contact-info__photo-wrapper::after {
  content: '';
  position: absolute;
  width: 40px;
  height: 40px;
  border-color: var(--color-secondary);
  border-style: solid;
  z-index: 2;
  pointer-events: none;
}

.contact-info__photo-wrapper::before {
  top: -12px;
  left: -12px;
  border-width: 2px 0 0 2px;
}

.contact-info__photo-wrapper::after {
  bottom: -12px;
  right: -12px;
  border-width: 0 2px 2px 0;
}

.contact-info__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact-info__label {
  font-family: var(--font-heading);
  font-size: var(--h5);
  color: var(--color-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-3xs);
}

.contact-info__value {
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  font-size: var(--text-l);
}

.contact-info__value a {
  color: rgba(255, 255, 255, 0.85);
}

.contact-info__value a:hover {
  color: var(--color-secondary);
}

/* Contact Form (on dark bg) */
.section--contact .form-label {
  color: var(--color-secondary);
  font-family: var(--font-heading);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 400;
  font-size: var(--text-s);
}

.section--contact .form-input,
.section--contact .form-textarea {
  background-color: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  border-radius: 0;
}

.section--contact .form-input:focus,
.section--contact .form-textarea:focus {
  border-color: var(--color-secondary);
}

.section--contact .form-input::placeholder,
.section--contact .form-textarea::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xs) var(--space-l);
  font-family: 'ITC Blair', system-ui, sans-serif;
  font-size: var(--text-s);
  letter-spacing: 0.1em;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  text-transform: uppercase;
}

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

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

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

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

.btn--outline {
  background-color: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

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

.btn--outline-light {
  background-color: transparent;
  border: 1px solid var(--color-secondary);
  color: var(--color-white);
}

.btn--outline-light:hover {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.btn--full {
  width: 100%;
}

/* ==========================================================================
   Back to top — sticky
   ========================================================================== */

.back-to-top {
  position: fixed;
  bottom: var(--space-l);
  right: var(--space-l);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-white);
  color: var(--color-primary);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  z-index: 50;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease, background-color 0.3s ease;
  pointer-events: none;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ==========================================================================
   Form Elements
   ========================================================================== */

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

.form-label {
  display: block;
  margin-bottom: var(--space-2xs);
  font-size: var(--text-s);
  font-weight: 600;
  color: var(--color-black);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-xs) var(--space-s);
  border: 1px solid var(--color-border);
  font-size: var(--text-m);
  transition: border-color 0.3s ease;
  background-color: transparent;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
}

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

/* ==========================================================================
   Mobile Overrides
   ========================================================================== */

@media (max-width: 767px) {
  .section { padding: var(--space-3xl) 0; }
  .grid--3 { grid-template-columns: 1fr; }
  .grid--2 { grid-template-columns: 1fr; }
  .gap--3xl { gap: var(--space-xl); }
  .contact-info__photo-wrapper { display: none; }
}

/* ==========================================================================
   Scroll Animations
   ========================================================================== */

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ==========================================================================
   Phosphor Icons — inline spacing
   ========================================================================== */

.btn i[class*="ph-"],
.contact-info__label i[class*="ph-"],
.press-card__source i[class*="ph-"],
.pub-item__source i[class*="ph-"] {
  margin-right: 6px;
  vertical-align: -2px;
}

.btn i[class*="ph-"] {
  font-size: 1.1em;
}

.contact-info__label i[class*="ph-"] {
  font-size: 1.1em;
  color: var(--color-secondary);
}