/* ============================================================
   Raman Shah — portfolio styles
   Fonts are loaded in index.html <head> (Fraunces + Hanken Grotesk)
   ============================================================ */

/* ============================
   1. DESIGN TOKENS
   One place to change colours, type sizes and spacing.
   ============================ */
:root {
  /* --- Colour (concrete charcoal / ivory / blueprint steel) --- */
  --color-bg:          #0C0D0E;
  --color-bg-raised:   #16181A;
  --color-text:        #F1F0EC;
  --color-text-muted:  #8C8F90;
  --color-accent:      #6E93A3;
  --color-accent-soft: #8FB0BC;
  --color-border:      #232527;
  --color-border-soft: #2C2F31;

  /* --- Type families --- */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-sans:    'Hanken Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* --- Fluid type scale (min size .. max size) --- */
  --step-sm:  clamp(0.80rem, 0.78rem + 0.10vw, 0.86rem);
  --step-0:   clamp(1.00rem, 0.96rem + 0.20vw, 1.125rem);
  --step-1:   clamp(1.20rem, 1.12rem + 0.40vw, 1.40rem);
  --step-2:   clamp(1.55rem, 1.35rem + 1.00vw, 2.20rem);
  --step-3:   clamp(2.00rem, 1.60rem + 2.00vw, 3.20rem);
  --step-4:   clamp(2.60rem, 1.90rem + 3.40vw, 4.40rem);
  --step-hero: clamp(2.90rem, 1.40rem + 7.20vw, 7.00rem);

  /* --- Spacing scale --- */
  --space-2xs: 0.5rem;
  --space-xs:  0.75rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 6rem;
  --space-3xl: 9rem;

  /* --- Layout --- */
  --container: 1180px;
  --measure: 62ch;          /* comfortable reading line-length */

  /* --- Motion --- */
  --ease-out: cubic-bezier(0.19, 1, 0.22, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-optical-sizing: auto;
  font-variant-numeric: oldstyle-nums;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* --- Lenis smooth scroll --- */
html.lenis,
html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

/* --- Typographic finish --- */
h1,
h2,
h3,
h4,
.core-list,
.about-text .lead,
.av-close-lead,
.footer-mark {
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

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

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

ul,
ol {
  list-style: none;
}

/* ============================
   3. TYPOGRAPHY
   Fraunces for headings, Hanken Grotesk for everything else.
   ============================ */
h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.015em;
}

h1 {
  font-weight: 300;
  font-size: var(--step-hero);
  letter-spacing: -0.03em;
  line-height: 1.02;
  font-variation-settings: "opsz" 144;
}

h2 {
  font-size: var(--step-4);
  font-variation-settings: "opsz" 96;
}

h3 {
  font-size: var(--step-2);
  font-variation-settings: "opsz" 48;
}

h4 {
  font-family: var(--font-sans);
  font-size: var(--step-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--color-accent);
}

p {
  max-width: var(--measure);
}

/* small kicker line used in hero + contact */
.eyebrow {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--step-1);
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

/* intro paragraph that sits under a section heading */
.section-intro {
  color: var(--color-text-muted);
  font-size: var(--step-1);
  max-width: 46ch;
  margin-top: var(--space-md);
  margin-bottom: var(--space-xl);
}

/* ============================
   4. LAYOUT PRIMITIVES
   ============================ */
section {
  max-width: var(--container);
  margin-inline: auto;
  padding-block: var(--space-3xl);
  padding-inline: var(--space-md);
  scroll-margin-top: 90px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 500;
  background: var(--color-accent);
  color: var(--color-bg);
  padding: 12px 20px;
  font-size: var(--step-sm);
}

.skip-link:focus {
  left: var(--space-md);
  top: var(--space-md);
}

/* ============================
   5. NAVIGATION
   ============================ */
#navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 0.4s ease, border-color 0.4s ease;
}

#navbar.scrolled {
  background-color: rgba(11, 12, 14, 0.85);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--color-border);
}

.nav-inner {
  max-width: var(--container);
  margin-inline: auto;
  padding: 22px var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}

.nav-mark {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  gap: 40px;
}

.nav-links a {
  position: relative;
  font-size: var(--step-sm);
  color: var(--color-text-muted);
  padding-bottom: 4px;
  background-image: linear-gradient(var(--color-accent), var(--color-accent));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 1px;
  transition: color 0.35s ease, background-size 0.45s var(--ease-out);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--color-text);
  background-size: 100% 1px;
}

/* scroll-spy: current section */
.nav-links a.is-current {
  color: var(--color-text);
  background-size: 100% 1px;
}

/* ============================
   6. HERO
   Full-bleed video background with a dark gradient over it.
   ============================ */
#hero {
  position: relative;
  max-width: none;
  margin: 0;
  padding-block: 0;
  padding-inline: 0;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-video,
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(11, 12, 14, 0.45) 0%,
    rgba(11, 12, 14, 0.70) 55%,
    rgba(11, 12, 14, 0.96) 100%
  );
}

.topo-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: var(--color-accent);
  opacity: 0.14;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding: 0 var(--space-md);
}

#hero h1 {
  max-width: 16ch;
  margin-bottom: var(--space-lg);
}

.hero-buttons {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

/* ============================
   7. HERO LINKS
   Same animated-underline device as .work-link / nav-links —
   the hero's calls to action read as text, not boxed buttons.
   ============================ */
.btn {
  --btn-shift: 0px;
  display: inline-block;
  padding-bottom: 7px;
  font-size: var(--step-1);
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: pointer;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: transform 0.35s var(--ease-out), color 0.35s ease,
    background-size 0.45s var(--ease-out);
  transform: translate(var(--btn-shift), var(--btn-shift));
}

.btn-primary {
  color: var(--color-text);
  background-image: linear-gradient(var(--color-accent), var(--color-accent));
  background-size: 100% 1px;
}

.btn-primary:hover {
  color: var(--color-accent-soft);
}

.btn-secondary {
  color: var(--color-text-muted);
  background-image: linear-gradient(var(--color-accent), var(--color-accent));
  background-size: 0% 1px;
}

.btn-secondary:hover {
  color: var(--color-text);
  background-size: 100% 1px;
}

/* ============================
   8. SECTION HEADINGS RHYTHM
   ============================ */
section > h2 {
  margin-bottom: 0;
}

/* ============================
   9. ABOUT
   ============================ */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-xl);
  align-items: start;
}

.about-text .lead {
  font-family: var(--font-display);
  font-size: var(--step-2);
  line-height: 1.28;
  color: var(--color-text);
  max-width: 24ch;
  margin: var(--space-md) 0 var(--space-lg);
}

.about-text p + p {
  margin-top: var(--space-md);
}

.about-text p:not(.lead) {
  color: var(--color-text-muted);
}

.about-image {
  position: sticky;
  top: 110px;
}

.about-image img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 4px;
  filter: grayscale(1) contrast(1.03) brightness(0.95);
  transition: filter 0.9s var(--ease-out);
}

.about-now {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.about-now h3 {
  font-size: var(--step-1);
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: 0;
  margin-bottom: var(--space-md);
}

.about-now ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.about-now li {
  position: relative;
  padding-left: 26px;
  color: var(--color-text-muted);
  max-width: var(--measure);
}

.about-now li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 14px;
  height: 1px;
  background-color: var(--color-accent);
}

.about-now p {
  color: var(--color-text-muted);
}

/* ============================
   10. AVIATION
   ============================ */
.av-lead {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-md);
  max-width: 62ch;
}

.av-lead p {
  color: var(--color-text-muted);
  max-width: none;
}

.av-lead p:first-child {
  color: var(--color-text);
  font-size: var(--step-1);
}

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

.av-photo img {
  width: 100%;
  aspect-ratio: 1600 / 2263;
  max-height: 60vh;
  object-fit: cover;
  border-radius: 4px;
  filter: grayscale(1) contrast(1.03) brightness(0.95);
  transition: filter 0.9s var(--ease-out);
}

.reveal.in-view .av-photo img {
  filter: none;
}

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

.av-block > h3 {
  font-family: var(--font-sans);
  font-size: var(--step-1);
  font-weight: 600;
  letter-spacing: 0;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}

/* --- Flight-path journey (the one signature animation) --- */
.journey-svg {
  width: 100%;
  height: auto;
  overflow: visible;
  display: block;
  margin-bottom: var(--space-md);
}

.journey-svg .j-base {
  stroke: var(--color-border-soft);
  stroke-width: 1;
}

.journey-svg .j-line {
  stroke: var(--color-accent);
  stroke-width: 1.5;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}

.journey-svg .j-dot {
  fill: var(--color-bg);
  stroke: var(--color-border-soft);
  stroke-width: 1.5;
  opacity: 0.4;
}

.journey-svg .j-plane {
  fill: var(--color-accent);
  transform-box: view-box;
  transform-origin: 0 0;
  transform: translateX(0);
  opacity: 0;
}

.journey.is-flying .j-line {
  animation: j-draw 3.2s linear forwards;
}

.journey.is-flying .j-dot {
  animation: j-pop 0.5s ease forwards;
}

.journey.is-flying .j-dot:nth-of-type(1) { animation-delay: 0.15s; }
.journey.is-flying .j-dot:nth-of-type(2) { animation-delay: 0.72s; }
.journey.is-flying .j-dot:nth-of-type(3) { animation-delay: 1.29s; }
.journey.is-flying .j-dot:nth-of-type(4) { animation-delay: 1.86s; }
.journey.is-flying .j-dot:nth-of-type(5) { animation-delay: 2.43s; }
.journey.is-flying .j-dot:nth-of-type(6) { animation-delay: 3.0s; }

.journey.is-flying .j-plane {
  animation: j-fly 3.2s linear forwards;
}

@keyframes j-draw {
  from { stroke-dashoffset: 1; }
  to { stroke-dashoffset: 0; }
}

@keyframes j-pop {
  0% { opacity: 0.4; }
  60% { opacity: 1; r: 5; }
  100% { opacity: 1; }
}

@keyframes j-fly {
  0% { transform: translateX(0); opacity: 0; }
  8% { opacity: 1; }
  92% { opacity: 1; }
  100% { transform: translateX(500px); opacity: 0; }
}

.journey-stops {
  display: grid;
  grid-template-columns: repeat(var(--stop-count, 6), 1fr);
  gap: var(--space-sm);
}

.journey-stop {
  text-align: center;
  opacity: 0.32;
}

.journey.is-flying .journey-stop {
  animation: j-light 0.5s ease forwards;
  animation-delay: calc(var(--i) * 0.57s);
}

@keyframes j-light {
  to { opacity: 1; }
}

.journey-code {
  display: block;
  font-family: var(--font-display);
  font-size: var(--step-1);
  color: var(--color-text);
  line-height: 1.1;
}

.journey-name {
  display: block;
  margin-top: 4px;
  font-size: var(--step-sm);
  color: var(--color-text-muted);
}

/* --- Aircraft & simulator --- */
.aircraft-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg) var(--space-xl);
}

.aircraft-card img {
  width: 100%;
  aspect-ratio: 3 / 2;
  min-height: 160px;
  object-fit: cover;
  border-radius: 4px;
  background-color: var(--color-bg-raised);
  filter: grayscale(1) contrast(1.03) brightness(0.95);
  transition: filter 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.aircraft-card:hover img {
  filter: none;
  transform: scale(1.02);
}

.aircraft-card h4 {
  font-family: var(--font-display);
  font-size: var(--step-1);
  color: var(--color-text);
  margin: var(--space-sm) 0 4px;
}

.aircraft-card p {
  color: var(--color-text-muted);
  font-size: var(--step-sm);
  max-width: 42ch;
}

#journey.in-view .aircraft-card {
  animation: rise-in 0.7s var(--ease-out) backwards;
}

#journey.in-view .aircraft-card:nth-child(2) { animation-delay: 0.08s; }
#journey.in-view .aircraft-card:nth-child(3) { animation-delay: 0.16s; }
#journey.in-view .aircraft-card:nth-child(4) { animation-delay: 0.24s; }

/* --- Skill lists (compact term + one line) --- */
.skill-list {
  border-top: 1px solid var(--color-border);
}

.skill-list > div {
  display: grid;
  grid-template-columns: minmax(0, 15rem) 1fr;
  gap: var(--space-md) var(--space-lg);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.skill-list dt {
  font-family: var(--font-display);
  font-size: var(--step-1);
  color: var(--color-text);
}

.skill-list dd {
  color: var(--color-text-muted);
  max-width: 52ch;
}

/* --- Closing statement --- */
.av-close {
  margin-top: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.av-close-lead {
  font-family: var(--font-display);
  font-size: var(--step-2);
  line-height: 1.3;
  color: var(--color-text);
  max-width: 32ch;
}

.av-close-sub {
  margin-top: var(--space-md);
  color: var(--color-text-muted);
  max-width: 48ch;
}

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

@media (max-width: 640px) {
  .journey-svg {
    display: none;
  }

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

  .skill-list > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .core-list {
    font-size: var(--step-0);
    line-height: 1.8;
  }

  .work-stats {
    gap: var(--space-md) var(--space-lg);
  }
}

@media (max-width: 430px) {
  .journey-stops {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================
   11. SELECTED WORK
   ============================ */
.work-item {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--space-xl);
  padding-block: var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
}

.work-item:first-of-type {
  border-top: 1px solid var(--color-border);
}

.work-item--reverse {
  grid-template-columns: 7fr 5fr;
}

.work-item--reverse .work-media {
  order: 2;
}

.work-media {
  position: sticky;
  top: 110px;
  align-self: start;
}

.work-media img {
  width: 100%;
  aspect-ratio: 1600 / 2263;
  object-fit: contain;
  border-radius: 4px;
  background-color: var(--color-bg-raised);
  padding: 44px;
}

.work-year {
  font-size: var(--step-sm);
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.work-body > h3 {
  font-size: var(--step-3);
  margin: var(--space-2xs) 0 2px;
}

.work-role {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.work-block {
  margin-top: var(--space-md);
}

.work-block h4 {
  margin-bottom: 4px;
}

.work-block p {
  color: var(--color-text-muted);
}

/* Section-level "at a glance" statement of core practice areas */
.work-core {
  position: relative;
  margin: var(--space-lg) 0;
  padding: var(--space-lg) 0;
}

.work-core::before,
.work-core::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-border) 12%,
    var(--color-border) 88%,
    transparent
  );
}

.work-core::before {
  top: 0;
}

.work-core::after {
  bottom: 0;
}

.work-core h3 {
  font-family: var(--font-sans);
  font-size: var(--step-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.core-list {
  font-family: var(--font-display);
  font-size: var(--step-1);
  line-height: 1.9;
  color: var(--color-text);
  max-width: 58ch;
}

.core-list span {
  display: inline-block;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(0.45em);
  transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out),
    color 0.3s ease;
}

.core-list span:not(:first-child)::before {
  content: "·";
  margin-right: 0.5em;
  color: var(--color-accent);
  opacity: 0.75;
}

.work-core.is-lit .core-list span {
  opacity: 1;
  transform: none;
  transition-delay: calc(var(--i) * 55ms);
}

.core-list span:hover {
  color: var(--color-accent);
}

/* space out the multi-paragraph case-study copy */
.work-block p + p {
  margin-top: var(--space-sm);
}

/* drop cap on each case study's opening line */
.work-body > .work-block:first-of-type > p:first-of-type::first-letter {
  float: left;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 3.1em;
  line-height: 0.86;
  margin: 0.02em 0.14em 0 0;
  color: var(--color-accent);
}

/* Outcome stat row */
.work-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg) var(--space-2xl);
  margin-bottom: var(--space-lg);
}

.work-stats li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 400;
  line-height: 1;
  color: var(--color-text);
  font-variant-numeric: oldstyle-nums;
}

.stat-label {
  font-size: var(--step-sm);
  color: var(--color-text-muted);
}

/* Per-project capability index — a ruled editorial list, not cards */
.work-caps {
  margin-top: var(--space-xl);
}

.work-caps h4 {
  font-family: var(--font-sans);
  font-size: var(--step-sm);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.work-caps ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.work-caps li {
  position: relative;
  padding: 15px 0 15px 24px;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-display);
  font-size: var(--step-1);
  line-height: 1.25;
  color: var(--color-text-muted);
  transition: color 0.4s var(--ease-out), padding-left 0.4s var(--ease-out);
}

.work-caps li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15em;
  width: 11px;
  height: 1px;
  background-color: var(--color-border-soft);
  transition: width 0.4s var(--ease-out), background-color 0.4s ease;
}

.work-caps li:hover {
  color: var(--color-text);
  padding-left: 34px;
}

.work-caps li:hover::before {
  width: 22px;
  background-color: var(--color-accent);
}

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

/* animated-underline link, no arrow glyph */
.work-link {
  display: inline-block;
  color: var(--color-accent);
  font-size: var(--step-sm);
  letter-spacing: 0.02em;
  padding-bottom: 3px;
  background-image: linear-gradient(var(--color-accent), var(--color-accent));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 100% 1px;
  transition: background-size 0.45s var(--ease-out), color 0.35s ease;
}

.work-link:hover,
.work-link:focus-visible {
  color: var(--color-accent-soft);
  background-size: 0% 1px;
}

/* ============================
   12. CONTACT
   ============================ */
#contact {
  text-align: center;
}

#contact .section-intro {
  margin-inline: auto;
}

.contact-email {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 5.5vw, 2.6rem);
  margin: var(--space-md) 0 var(--space-lg);
  max-width: 100%;
  padding-bottom: 8px;
  background-image: linear-gradient(var(--color-accent), var(--color-accent));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 1px;
  transition: color 0.35s ease, background-size 0.5s var(--ease-out);
}

.contact-email:hover,
.contact-email:focus-visible {
  color: var(--color-accent);
  background-size: 100% 1px;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
}

.social-links a {
  color: var(--color-text-muted);
  font-size: var(--step-sm);
  letter-spacing: 0.02em;
  transition: color 0.35s ease;
}

.social-links a:hover,
.social-links a:focus-visible {
  color: var(--color-accent);
}

/* ============================
   13. FOOTER
   ============================ */
footer {
  position: relative;
  max-width: var(--container);
  margin-inline: auto;
  text-align: center;
  padding: var(--space-2xl) var(--space-md) var(--space-xl);
  color: var(--color-text-muted);
  font-size: var(--step-sm);
}

footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--space-md);
  right: var(--space-md);
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-border) 12%,
    var(--color-border) 88%,
    transparent
  );
}

.footer-mark {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--step-3);
  font-weight: 300;
  line-height: 1.2;
  color: var(--color-text);
  max-width: none;
  margin-bottom: var(--space-lg);
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-sm) var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-meta a,
.footer-time {
  position: relative;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  padding-bottom: 3px;
  transition: color 0.35s ease;
}

.footer-meta a {
  background-image: linear-gradient(var(--color-accent), var(--color-accent));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 1px;
  transition: color 0.35s ease, background-size 0.45s var(--ease-out);
}

.footer-meta a:hover,
.footer-meta a:focus-visible {
  color: var(--color-text);
  background-size: 100% 1px;
}

.footer-time::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 8px;
  border-radius: 50%;
  background-color: var(--color-accent);
  vertical-align: middle;
}

.footer-legal {
  font-size: var(--step-sm);
  color: var(--color-text-muted);
  opacity: 0.7;
}

/* ============================
   13b. SERVICES & TESTIMONIALS (optional sections)
   Off by default — only appear when enabled in content.js.
   Reuse the same tokens/rhythm as the rest of the site.
   ============================ */
.services-grid,
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-md);
}

.service-card {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.service-card h3 {
  font-size: var(--step-1);
  margin-bottom: var(--space-xs);
}

.service-card p {
  color: var(--color-text-muted);
}

.testimonial-card {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.testimonial-card blockquote {
  font-family: var(--font-display);
  font-size: var(--step-1);
  line-height: 1.4;
  color: var(--color-text);
}

.testimonial-card figcaption {
  margin-top: var(--space-md);
  font-size: var(--step-sm);
  color: var(--color-text-muted);
}

@media (max-width: 900px) {
  .services-grid,
  .testimonial-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* ============================
   14. FOCUS VISIBILITY (keyboard users)
   ============================ */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 1px;
}

/* ============================
   15. SCROLL REVEAL + IMAGE DEVELOP
   One quiet fade — not a slide on every element.
   ============================ */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

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

.reveal.in-view img {
  filter: grayscale(0) contrast(1) brightness(1);
}

.about-image:hover img {
  filter: grayscale(0) contrast(1) brightness(1);
}

/* ============================
   16. HERO LOAD SEQUENCE
   One orchestrated entrance on first paint.
   ============================ */
@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.hero-content > * {
  animation: rise-in 0.9s var(--ease-out) backwards;
}

.hero-content > .eyebrow {
  animation-delay: 0.15s;
}

.hero-content > h1 {
  animation-delay: 0.3s;
}

.hero-content > .hero-buttons {
  animation-delay: 0.5s;
}

/* ============================
   17. GRAIN TEXTURE
   ============================ */
.grain {
  position: fixed;
  inset: 0;
  z-index: 300;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============================
   18. CUSTOM CURSOR (fine pointers only)
   ============================ */
.cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-accent);
  border: 1px solid transparent;
  pointer-events: none;
  z-index: 400;
  transform: translate(-50%, -50%);
  transition: width 0.3s var(--ease-out), height 0.3s var(--ease-out),
    background-color 0.3s ease, border-color 0.3s ease;
  mix-blend-mode: difference;
}

.cursor-dot.hovering {
  width: 34px;
  height: 34px;
  background-color: transparent;
  border-color: var(--color-text);
}

@media (max-width: 800px) {
  .cursor-dot {
    display: none;
  }
}

/* ============================
   19. MOBILE NAVIGATION
   ============================ */
#menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 200;
}

#menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

#menu-toggle.open span:first-child {
  transform: translateY(4px) rotate(45deg);
}

#menu-toggle.open span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

/* ============================
   20. RESPONSIVE
   ============================ */
@media (max-width: 900px) {
  :root {
    --space-3xl: 6rem;
    --space-2xl: 4.5rem;
  }

  .about-grid,
  .about-now,
  .work-item,
  .work-item--reverse {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .about-image,
  .work-media {
    position: static;
  }

  .about-image {
    order: -1;
    max-width: 420px;
  }

  .work-item--reverse .work-media {
    order: 0;
  }

  .work-media img {
    padding: 32px;
    max-width: 380px;
  }
}

@media (max-width: 800px) {
  #menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background-color: var(--color-bg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-lg);
    transform: translateY(-100%);
    transition: transform 0.45s var(--ease-out);
    z-index: 150;
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .nav-links a {
    font-size: var(--step-2);
    color: var(--color-text);
  }
}

@media (max-width: 540px) {
  .hero-buttons {
    flex-direction: column;
    gap: var(--space-md);
  }
}

/* ============================
   21. REDUCED MOTION
   Honour the OS "reduce motion" setting.
   ============================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  html {
    scroll-behavior: auto;
  }

  .hero-content > * {
    animation: none !important;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }

  /* Flight-path journey: show the finished state, no travel. */
  .journey-svg .j-line {
    stroke-dashoffset: 0 !important;
  }

  .journey-svg .j-dot {
    opacity: 1 !important;
  }

  .journey-svg .j-plane {
    display: none !important;
  }

  .journey-stop {
    opacity: 1 !important;
  }

  #journey.in-view .aircraft-card {
    animation: none !important;
  }

  .core-list span {
    opacity: 1 !important;
    transform: none !important;
  }
}
