/* ============================================
   Design Tokens
   ============================================ */
:root {
  --bg: #1b1919;
  --surface: #222020;
  --surface-2: #2d2a2a;
  --dark: #0e0d0d;
  --white: #ffffff;
  --orange: #e9904e;
  --orange-dark: #e37421;
  --orange-glow: rgba(233, 144, 78, 0.12);
  --purple: #694eb7;
  --purple-dark: #533d95;
  --blue: #4ea7e9;
  --text: rgba(255, 255, 255, 0.87);
  --text-muted: rgba(255, 255, 255, 0.55);
  --text-faint: rgba(255, 255, 255, 0.35);
  --border: rgba(255, 255, 255, 0.08);
  --border-bright: rgba(255, 255, 255, 0.15);

  --font: 'Lato', sans-serif;
  --font-hand: 'Shadows Into Light Two', cursive;

  --orange-glow-strong: rgba(233, 144, 78, 0.35);
  --spotlight: radial-gradient(ellipse at 50% 0%, rgba(255, 255, 255, 0.08), transparent 60%);

  --nav-h: 72px;
  --max-w: 1200px;
  --pad: clamp(1rem, 4vw, 2rem);

  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 16px;

  --shadow: 0 4px 32px rgba(0, 0, 0, 0.55);
  --shadow-orange: 0 8px 32px rgba(233, 144, 78, 0.25);
  --shadow-card: 0 2px 20px rgba(0, 0, 0, 0.45);

  --ease: 0.22s ease;
  --ease-slow: 0.4s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background-color: var(--bg);
}

body {
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  overflow-x: hidden;
}

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

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

ul, ol { list-style: none; }

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, textarea, select { font-family: inherit; }

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.15;
  color: var(--white);
}

h1 { font-size: clamp(2.2rem, 6vw, 4rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.05rem; }

p {
  color: var(--text);
  line-height: 1.75;
  max-width: 65ch;
}

/* ============================================
   Layout
   ============================================ */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.section {
  padding: clamp(4rem, 10vw, 7rem) 0;
}

.section--dark { background: var(--dark); }
.section--surface { background: var(--surface); }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 1rem;
}

.section-label::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background: var(--orange);
  flex-shrink: 0;
}

.section-title { margin-bottom: 1.25rem; }

.section-body {
  color: var(--text-muted);
  max-width: 55ch;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.85rem;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 999px;
  transition: all var(--ease);
  cursor: pointer;
  white-space: nowrap;
  border: none;
}

.btn-primary {
  background: var(--orange);
  color: var(--white);
  box-shadow: var(--shadow-orange);
  padding-right: 1.45rem;
}

.btn-primary::after {
  content: '\2192';
  display: inline-block;
  margin-left: 0.4rem;
  transition: transform var(--ease);
}

.btn-primary:hover {
  background: var(--orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(233, 144, 78, 0.4);
}

.btn-primary:hover::after {
  transform: translateX(3px);
}

.btn-ghost {
  border: 1px solid var(--border-bright);
  color: var(--white);
  background: transparent;
}

.btn-ghost:hover {
  border-color: var(--orange);
  color: var(--orange);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.55rem 1.25rem;
  font-size: 0.8rem;
}

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(27, 25, 25, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  overflow: visible;
  transition: background 0.5s ease, border-color 0.5s ease, backdrop-filter 0.5s ease;
}

.nav::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--orange) 40%, var(--orange-dark) 60%, transparent 100%);
  opacity: 0.7;
  pointer-events: none;
}

.nav--expanded {
  background: transparent;
  border-color: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.nav--expanded::after { opacity: 0; }

/* Suppress the orange nav border before JS initialises on the homepage.
   Avoids a single-frame flash between paint and JS adding `nav--expanded`. */
.is-home-initial .nav::after { opacity: 0; }

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

.nav__logo img {
  height: 38px;
  width: auto;
  display: block;
  transform-origin: top left;
  transition: transform 0.5s ease;
}

/* No transition on the very first paint — we want the homepage to render
   already-scaled, not animate from 1× to 5× as JS swaps classes. */
.is-home-initial .nav__logo img {
  transition: none;
  transform: scale(5);
}

/* Scale up to ~90px without affecting layout — grows downward into the hero */
.nav--expanded .nav__logo img {
  transform: scale(5);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.9rem;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-muted);
  border-radius: var(--r-sm);
  transition: color var(--ease), background var(--ease);
}

.nav__link:hover,
.nav__link.active {
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}

.nav__link--cta {
  background: var(--orange) !important;
  color: var(--white) !important;
  font-weight: 700;
  margin-left: 0.75rem;
  border-radius: var(--r-md);
}

.nav__link--cta:hover {
  background: var(--orange-dark) !important;
  transform: translateY(-1px);
}

/* Dropdown */
.nav__dropdown { position: relative; }

.nav__dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 0.5rem;
  min-width: 190px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: all var(--ease);
  box-shadow: var(--shadow);
}

.nav__dropdown-menu::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 0;
  right: 0;
  height: 10px;
}

.nav__dropdown:hover .nav__dropdown-menu,
.nav__dropdown:focus-within .nav__dropdown-menu {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.nav__dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: all var(--ease);
}

.nav__dropdown-item i {
  width: 16px;
  color: var(--orange);
  font-size: 0.8rem;
  text-align: center;
}

.nav__dropdown-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
}

.nav__chevron {
  font-size: 0.6rem;
  transition: transform var(--ease);
}

.nav__dropdown:hover .nav__chevron {
  transform: rotate(180deg);
}

/* Mobile toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--ease);
}

.nav__toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav__toggle.open span:nth-child(2) { opacity: 0; transform: translateX(-8px); }
.nav__toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile menu */
.nav__mobile {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: var(--dark);
  border-bottom: 1px solid var(--border);
  padding: 1rem var(--pad) 1.5rem;
  transform: translateY(-110%);
  opacity: 0;
  pointer-events: none;
  transition: all var(--ease-slow);
  z-index: 99;
}

.nav__mobile.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.nav__mobile-link {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-radius: var(--r-sm);
  transition: all var(--ease);
}

.nav__mobile-link:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
}

.nav__mobile-link--cta {
  background: var(--orange) !important;
  color: var(--white) !important;
  text-align: center;
  font-weight: 700;
  margin-top: 0.75rem;
  border-radius: var(--r-md);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--dark);
  border-top: 1px solid var(--border);
  padding: 5rem 0 2.5rem;
  position: relative;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--orange) 40%, var(--orange-dark) 60%, transparent 100%);
  opacity: 0.7;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer__brand img {
  height: 40px;
  margin-bottom: 1.5rem;
}

.footer__tagline {
  color: var(--text-muted);
  font-size: 0.875rem;
  max-width: 30ch;
  line-height: 1.75;
  margin-bottom: 1.75rem;
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 0.7rem;
  transition: color var(--ease);
}

.footer__contact-item i {
  color: var(--orange);
  width: 14px;
  text-align: center;
  flex-shrink: 0;
}

.footer__contact-item:hover { color: var(--white); }

.footer__heading {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.footer__link {
  display: block;
  color: var(--text-muted);
  font-size: 0.875rem;
  padding: 0.4rem 0 0.4rem 0;
  border-left: 2px solid transparent;
  transition: color var(--ease), border-color var(--ease), padding-left var(--ease);
}

.footer__link:hover {
  color: var(--white);
  border-left-color: var(--orange);
  padding-left: 0.65rem;
}

.footer__bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer__copy,
.footer__reg {
  color: var(--text-faint);
  font-size: 0.78rem;
}

/* ============================================
   Card (generic)
   ============================================ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 2rem;
  transition: all var(--ease-slow);
}

.card:hover {
  border-color: rgba(233, 144, 78, 0.22);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}

.card__icon--orange {
  background: var(--orange-glow);
  color: var(--orange);
  border: 1px solid rgba(233, 144, 78, 0.22);
}

.card__icon--purple {
  background: rgba(105, 78, 183, 0.1);
  color: var(--purple);
  border: 1px solid rgba(105, 78, 183, 0.22);
}

.card__icon--blue {
  background: rgba(78, 167, 233, 0.1);
  color: var(--blue);
  border: 1px solid rgba(78, 167, 233, 0.22);
}

.card__title {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.card__body {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: none;
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.25rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--orange);
  transition: gap var(--ease);
}

.card__link:hover { gap: 0.8rem; }

/* ============================================
   CTA Banner
   ============================================ */
.cta-banner {
  padding: 5.5rem 0;
  background: var(--surface);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 350px;
  background: radial-gradient(ellipse, rgba(233, 144, 78, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner__inner { position: relative; z-index: 1; }

.cta-banner__title {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  margin-bottom: 1rem;
}

.cta-banner__body {
  color: var(--text-muted);
  margin: 0 auto 2.5rem;
  font-size: 1.05rem;
  max-width: 50ch;
}

.cta-banner__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ============================================
   Content Split (used on home, services, about)
   ============================================ */
.content-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.content-split--reverse .content-split__text { order: 2; }
.content-split--reverse .content-split__media { order: 1; }

.content-split__media {
  border-radius: var(--r-lg);
  overflow: hidden;
}

.content-split__media img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.content-split__media-placeholder {
  width: 100%;
  height: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1rem;
  color: var(--text-faint);
}

.content-split__media-placeholder i { font-size: 3rem; }
.content-split__media-placeholder span { font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; }

/* ============================================
   Scroll Animations
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.4s; }
.reveal-delay-6 { transition-delay: 0.48s; }

/* ============================================
   Utilities
   ============================================ */
.text-orange { color: var(--orange); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.divider {
  width: 48px;
  height: 3px;
  background: var(--orange);
  border-radius: 2px;
  margin-bottom: 1.5rem;
}

.mb-xs { margin-bottom: 0.5rem; }
.mb-sm { margin-bottom: 1rem; }
.mb-md { margin-bottom: 2rem; }
.mb-lg { margin-bottom: 3rem; }
.mb-xl { margin-bottom: 4rem; }

/* ============================================
   Prototype design cues — utilities
   ============================================ */

/* Word highlight inside white headings */
.u-hl-orange { color: var(--orange); }
.u-hl-purple { color: var(--purple); }
.u-hl-blue   { color: var(--blue); }

/* Handwritten accent */
.u-hand {
  font-family: var(--font-hand);
  font-weight: 400;
  color: var(--orange);
  letter-spacing: 0.01em;
}

/* Hand-drawn squiggle underline beneath card titles */
.u-underline-hand {
  display: block;
  width: 140px;
  aspect-ratio: 204 / 14;
  margin: 0.4rem 0 0.9rem;
  background-image: url("../images/underline-hand.svg");
  background-repeat: no-repeat;
  background-position: left center;
  background-size: contain;
}

/* Diagonal section dividers */
.section--diagonal-bottom {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 48px), 0 100%);
  padding-bottom: calc(clamp(4rem, 10vw, 7rem) + 48px);
}
.section--diagonal-top {
  clip-path: polygon(0 48px, 100% 0, 100% 100%, 0 100%);
  margin-top: -48px;
  padding-top: calc(clamp(4rem, 10vw, 7rem) + 48px);
}

/* Spotlight glow on dark sections */
.section--spotlight { position: relative; isolation: isolate; }
.section--spotlight::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--spotlight);
  pointer-events: none;
  z-index: 0;
}
.section--spotlight > * { position: relative; z-index: 1; }

/* Circular orange icon badge */
.icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--orange);
  color: var(--white);
  font-size: 1.15rem;
  box-shadow: 0 6px 18px var(--orange-glow-strong);
  margin-bottom: 1.1rem;
}

/* Wordmark shown only when the logo image fails to load
   (the inline onerror handler swaps display:none for display:block) */
.logo-fallback {
  display: none;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.05em;
}

.logo-fallback--footer {
  display: block;
  font-size: 1.25rem;
  letter-spacing: 0;
  margin-bottom: 1.25rem;
}

/* Centered variant of .section-label (overrides inline-flex alignment) */
.section-label--center { justify-content: center; }

/* Muted paragraph colour */
.u-text-muted { color: var(--text-muted); }

/* Active state for the nav CTA button (e.g. on the Contact page) */
.nav__link--cta.active,
.nav__link--cta.active:hover {
  background: var(--orange-dark) !important;
}