/*
 * Bond Design Studio — Custom Styles
 * Extends the framework for brand-specific and scroll-hero behaviour.
 * No generic component overrides — only what the framework cannot provide.
 */

/* ============================================================
   BASE TYPOGRAPHY — Georgia throughout
   ============================================================ */

body {
  font-family: var(--font-body);
  color: #1a1a1a;
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
}

/* Ensure Georgia propagates to all inputs, buttons, textareas */
input,
textarea,
button,
select {
  font-family: var(--font-body);
}

/* ============================================================
   NAVIGATION — transparent over hero, solid after
   ============================================================ */

#site-header {
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

/* Transparent state (over dark video) */
#site-header.header-transparent {
  background: transparent;
  box-shadow: none;
}

#site-header.header-transparent .nav-logo,
#site-header.header-transparent #nav-links a {
  color: #ffffff;
}

#site-header.header-transparent .nav-hamburger span {
  background: #ffffff;
}

/* Solid state (after hero) */
body.hero-exited #site-header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 #e8e8e8;
}

body.hero-exited #site-header .nav-logo,
body.hero-exited #site-header #nav-links a {
  color: #000000;
}

body.hero-exited #site-header .nav-hamburger span {
  background: #000000;
}

/* Keep transparent clean during hero scroll */
body:not(.hero-exited) #site-header.scrolled {
  background: transparent;
  box-shadow: none;
}

/* Nav logo — all-caps wordmark */
.nav-logo {
  font-size: 0.8125rem;
  letter-spacing: 0.18em;
  font-weight: 400;
  text-transform: uppercase;
  text-decoration: none;
}

#nav-links a {
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  font-weight: 400;
  text-transform: uppercase;
  text-decoration: none;
  opacity: 0.85;
  transition: opacity 0.2s ease;
}

#nav-links a:hover {
  opacity: 1;
}

/* Mobile nav — fullscreen black overlay */
#nav-mobile {
  background: #000000;
  gap: 2.5rem;
}

#nav-mobile a {
  color: #ffffff;
  font-size: 1.75rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  opacity: 0.9;
}

#nav-mobile a:hover {
  opacity: 1;
}

/* ============================================================
   HERO LOGO — centered wordmark, JS-animated scale + opacity
   ============================================================ */

.hero-logo {
  position: absolute;
  top: 50%;
  left: 50%;
  /* initial state: small. JS updates transform as user scrolls */
  transform: translate(-50%, -50%) scale(0.6);
  transform-origin: center center;
  text-align: center;
  will-change: transform, opacity;
}

.hero-logo-word {
  display: block;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(2.1rem, 6.3vw, 5.6rem);
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #ffffff;
  line-height: 1.05;
  text-align: center;
}

/* ============================================================
   HERO TEXT CONTAINER — subtitle + body, JS-animated
   ============================================================ */

.hero-text-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  max-width: 680px;
  padding: 0 2.5rem;
  text-align: center;
  opacity: 0;
  will-change: opacity, filter;
  pointer-events: none;
}

/* ============================================================
   HERO — Scroll-Driven Video Scrub
   ============================================================ */

#hero-section {
  position: relative;
  /* height injected by JS: video.duration × 300px  (fallback: 3000px) */
}

#hero-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: 0;
  background: #000000;
}

.hero-overlay-gradient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: linear-gradient(to bottom, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.45) 100%);
  z-index: 1;
  pointer-events: none;
}

#hero-fade-white {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: #ffffff;
  z-index: 2;
  opacity: 0;
  pointer-events: none;
}

/* ── Preload loader ───────────────────────────────────────── */
#hero-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: #000000;
  z-index: 100;
  pointer-events: none;
  transition: opacity 0.8s ease;
}

#hero-loader.loaded {
  opacity: 0;
}

#hero-loader-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 1px;
  width: 0%;
  background: rgba(255, 255, 255, 0.5);
  transition: width 0.1s linear;
}

.hero-text-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: 10;
  pointer-events: none;
  /* No flex — children are absolutely positioned */
}

.hero-text-1 {
  font-size: clamp(1.25rem, 2.8vw, 2.25rem);
  font-weight: 300;
  letter-spacing: 0.01em;
  line-height: 1.3;
  color: #ffffff;
  margin: 0 0 1.25rem;
}

.hero-text-2 {
  font-size: 0.875rem;
  line-height: 1.85;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.82);
  margin: 0;
}

/* ============================================================
   SCROLL HINT
   ============================================================ */

#scroll-hint {
  position: fixed;
  bottom: 2.75rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  z-index: 11;
  pointer-events: none;
  will-change: opacity;
}

.scroll-hint-line {
  width: 1px;
  height: 3rem;
  background: linear-gradient(to bottom, rgba(255,255,255,0) 0%, rgba(255,255,255,0.6) 100%);
}

.scroll-hint-label {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}

body.hero-exited #scroll-hint {
  visibility: hidden;
}

.hero-sentinel {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  pointer-events: none;
}

/* After scrolling past hero — hide all fixed hero elements */
body.hero-exited #hero-canvas,
body.hero-exited #hero-fade-white,
body.hero-exited .hero-overlay-gradient,
body.hero-exited .hero-text-overlay {
  visibility: hidden;
  pointer-events: none;
}

/* ============================================================
   Z-STACK — content sits above fixed hero elements
   ============================================================ */

.above-hero {
  position: relative;
  z-index: 20;
  background: #ffffff; /* must be explicit — sections are transparent over fixed video */
}

/* ============================================================
   HERO-TO-WHITE TRANSITION
   ============================================================ */

.section-hero-transition {
  height: 50vh;
  /* transparent top edge → solid white: video dissolves softly into the content */
  background: linear-gradient(to bottom, rgba(255,255,255,0) 0%, #ffffff 30%, #ffffff 100%);
  position: relative;
  z-index: 20;
}

/* Services section merges the transition — fades in from transparent */
.hero-join {
  background: linear-gradient(to bottom, rgba(255,255,255,0) 0px, #ffffff 220px) !important;
  padding-top: clamp(14rem, 28vh, 20rem);
}

/* ============================================================
   SCROLL-REVEAL ANIMATIONS
   ============================================================ */

.reveal,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity 0.75s ease, transform 0.75s ease;
  will-change: opacity, transform;
}

.reveal {
  transform: translateY(22px);
}

.reveal-left {
  transform: translateX(-28px);
}

.reveal-right {
  transform: translateX(28px);
}

.reveal.in-view,
.reveal-left.in-view,
.reveal-right.in-view {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-left,
  .reveal-right {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ============================================================
   SECTION SPACING — generous whitespace
   ============================================================ */

.section-xl {
  padding-top: 8rem;
  padding-bottom: 8rem;
}

@media (max-width: 768px) {
  .section-xl {
    padding-top: 5rem;
    padding-bottom: 5rem;
  }
}

/* ============================================================
   SECTION LABELS & HEADINGS
   ============================================================ */

.eyebrow {
  display: block;
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-muted, #888);
  font-weight: 400;
  margin-bottom: 1.25rem;
}

.display-heading {
  font-size: clamp(1.375rem, 2.5vw, 2.25rem);
  font-weight: 300;
  letter-spacing: -0.015em;
  line-height: 1.2;
  color: #000000;
  margin: 0 0 1.25rem;
}

.display-heading-lg {
  font-size: clamp(1.75rem, 3.75vw, 3.25rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: #000000;
  margin: 0 0 2rem;
}

.body-copy {
  font-size: 0.9375rem;
  line-height: 1.8;
  font-weight: 300;
  color: #555555;
}

.body-copy-dark {
  font-size: 0.9375rem;
  line-height: 1.8;
  font-weight: 300;
  color: #1a1a1a;
}

/* ============================================================
   SERVICES — top-border only cards
   ============================================================ */

.services-intro {
  max-width: 620px;
  margin-bottom: 4rem;
}

.service-card {
  padding: 2.5rem 0;
  border-top: 1px solid var(--color-border, #e8e8e8);
}

.service-card:last-child {
  border-bottom: 1px solid var(--color-border, #e8e8e8);
}

.service-card h3 {
  font-size: 1.1875rem;
  font-weight: 300;
  letter-spacing: -0.01em;
  color: #000000;
  margin: 0 0 0.875rem;
}

.service-card p {
  font-size: 0.9375rem;
  line-height: 1.75;
  font-weight: 300;
  color: #666666;
  margin: 0;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr 1fr;
    column-gap: 5rem;
  }
}

/* ============================================================
   PRINCIPAL — two-column split
   ============================================================ */

.principal-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: start;
}

@media (min-width: 768px) {
  .principal-split {
    grid-template-columns: 1fr 1.1fr;
    gap: 6rem;
  }
}

.portrait-img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.principal-bio {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 1rem;
}

.principal-bio p + p {
  margin-top: 1.375rem;
}

/* ============================================================
   CONTACT — section + underline form
   ============================================================ */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}

@media (min-width: 768px) {
  .contact-layout {
    grid-template-columns: 1fr 1.4fr;
    gap: 6rem;
    align-items: start;
  }
}

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.contact-detail-label {
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-muted, #888);
  font-weight: 400;
  margin-bottom: 0.25rem;
}

.contact-detail-value {
  font-size: 1rem;
  font-weight: 300;
  color: #1a1a1a;
  line-height: 1.6;
  text-decoration: none;
}

a.contact-detail-value:hover {
  color: #000000;
}

.contact-details-stack {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  padding-top: 1rem;
}

/* Floating-label form fields */
.floating-field {
  position: relative;
  margin-bottom: 2.25rem;
}

.floating-input,
.floating-textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid #cccccc;
  border-radius: 0;
  padding: 1.25rem 0 0.625rem;
  font-size: 1rem;
  font-family: var(--font-body);
  font-weight: 300;
  color: #1a1a1a;
  width: 100%;
  outline: none;
  transition: border-color 0.3s ease;
  resize: none;
}

.floating-input:focus,
.floating-textarea:focus {
  border-bottom-color: #000000;
}

.floating-label {
  position: absolute;
  top: 1.25rem;
  left: 0;
  font-size: 0.875rem;
  font-weight: 300;
  color: #aaaaaa;
  pointer-events: none;
  transition: top 0.2s ease, font-size 0.2s ease, color 0.2s ease, letter-spacing 0.2s ease;
}

.floating-input:focus + .floating-label,
.floating-input:not(:placeholder-shown) + .floating-label,
.floating-textarea:focus + .floating-label,
.floating-textarea:not(:placeholder-shown) + .floating-label {
  top: 0;
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #1a1a1a;
}

.field-error-state .floating-input,
.field-error-state .floating-textarea {
  border-bottom-color: #cc3333;
}

.field-error-state .floating-label {
  color: #cc3333;
}

.field-error-msg {
  display: none;
  font-size: 0.75rem;
  color: #cc3333;
  margin-top: 0.375rem;
  letter-spacing: 0.03em;
}

.field-error-state .field-error-msg {
  display: block;
}

.form-submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #000000;
  color: #ffffff;
  border: 1px solid #000000;
  padding: 1rem 2.5rem;
  font-size: 0.8125rem;
  font-family: var(--font-body);
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease;
  margin-top: 0.5rem;
}

.form-submit-btn:hover {
  background: #ffffff;
  color: #000000;
}

.form-submit-btn:focus-visible {
  outline: 2px solid #000000;
  outline-offset: 3px;
}

.form-success-msg {
  font-size: 1.0625rem;
  font-weight: 300;
  color: #000000;
  padding: 2rem 0;
  letter-spacing: 0.02em;
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer-wrap {
  padding: 3.5rem 0 3rem;
  border-top: 1px solid var(--color-border, #e8e8e8);
  text-align: center;
}

.footer-text {
  font-size: 0.8125rem;
  color: var(--color-muted, #888);
  font-weight: 300;
  letter-spacing: 0.04em;
}