/* Techversol — 3D Product Animation Portfolio */

:root {
  --navy: #002040;
  --navy-deep: #001428;
  --navy-mid: #0a2a4a;
  --cyan: #5ec8d8;
  --cyan-bright: #7ad4e0;
  --cyan-soft: #b0e0e0;
  --ice: #e8f6f8;
  --mist: #f3f7f9;
  --white: #ffffff;
  --ink: #0a1628;
  --muted: #5a6b7d;
  --line: rgba(0, 32, 64, 0.1);
  --glow: rgba(94, 200, 216, 0.35);

  --font-display: "Syne", sans-serif;
  --font-body: "Outfit", sans-serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --nav-h: 4.5rem;
  --pad: clamp(1.25rem, 4vw, 3.5rem);
  --max: 1280px;
}

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

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--cyan) var(--navy-deep);
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--mist);
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul {
  list-style: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* —— Progress —— */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--cyan-bright));
  z-index: 1000;
  transform-origin: left;
}

/* —— Nav —— */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad);
  transition: background 0.4s var(--ease), backdrop-filter 0.4s, box-shadow 0.4s;
}

.nav.is-scrolled {
  background: rgba(0, 20, 40, 0.88);
  backdrop-filter: blur(16px);
  box-shadow: 0 8px 32px rgba(0, 20, 40, 0.25);
}

.nav__logo {
  display: flex;
  align-items: center;
  z-index: 2;
  position: relative;
}

/* techversol.com logo in a theme-aligned glass plate */
.brand-logo-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
  padding: 0.45rem 0.75rem;
  border-radius: 2px;
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.96) 0%,
    rgba(243, 247, 249, 0.92) 100%
  );
  border: 1px solid rgba(0, 32, 64, 0.1);
  backdrop-filter: blur(14px);
  box-shadow:
    0 8px 28px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transition: border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.brand-logo-wrap::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 42%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  pointer-events: none;
}

.brand-logo-wrap:hover {
  border-color: rgba(94, 200, 216, 0.65);
  box-shadow:
    0 10px 32px rgba(0, 0, 0, 0.32),
    0 0 24px rgba(94, 200, 216, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.brand-logo-wrap--nav {
  padding: 0.35rem 0.6rem;
}

.brand-logo-wrap--hero {
  padding: 0.55rem 0.95rem;
}

.brand-logo {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
}

.brand-logo-wrap--nav .brand-logo {
  height: clamp(32px, 4vw, 40px);
  width: auto;
}

.brand-logo-wrap--hero .brand-logo {
  height: clamp(44px, 7vw, 64px);
  width: auto;
}

.nav.is-scrolled .brand-logo-wrap {
  box-shadow: 0 6px 20px rgba(0, 32, 64, 0.08);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__links a {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.9);
  position: relative;
  transition: color 0.25s;
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1.5px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease);
}

.nav__links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  background: var(--cyan);
  color: var(--navy-deep) !important;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  border-radius: 2px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s, background 0.3s;
}

.nav__cta:hover {
  background: var(--cyan-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--glow);
}

.nav__cta::after {
  display: none !important;
}

.nav__burger {
  display: none;
  width: 28px;
  height: 20px;
  position: relative;
  z-index: 2;
}

.nav__burger span {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--white);
  transition: 0.3s;
}

.nav.is-scrolled .nav__burger span {
  background: var(--navy);
}

.nav__burger span:nth-child(1) { top: 0; }
.nav__burger span:nth-child(2) { top: 9px; }
.nav__burger span:nth-child(3) { top: 18px; }

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: calc(var(--nav-h) + 1rem) var(--pad) 1.5rem;
  background: #000;
  color: var(--white);
  overflow: hidden;
}

.hero__stage {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: #000;
}

.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 1.1s var(--ease), transform 8s linear;
  filter: saturate(1.05) contrast(1.05);
}

.hero__video.is-active {
  opacity: 1;
  transform: scale(1);
  z-index: 1;
}

.hero__scrim {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(90deg, rgba(0, 10, 22, 0.82) 0%, rgba(0, 14, 28, 0.45) 42%, rgba(0, 14, 28, 0.18) 68%, rgba(0, 10, 22, 0.35) 100%),
    linear-gradient(0deg, rgba(0, 8, 18, 0.92) 0%, rgba(0, 10, 22, 0.35) 34%, transparent 58%),
    linear-gradient(180deg, rgba(0, 10, 22, 0.55) 0%, transparent 28%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 3;
  max-width: 820px;
  margin-bottom: clamp(5.5rem, 12vw, 8.5rem);
}

.hero__eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1.1rem;
  opacity: 0;
  animation: riseIn 0.9s var(--ease-out) 0.1s forwards;
}

.hero__brand {
  margin-bottom: 1.35rem;
  opacity: 0;
  animation: riseIn 0.9s var(--ease-out) 0.25s forwards;
}

.hero__lead {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: rgba(255, 255, 255, 0.78);
  max-width: 28em;
  line-height: 1.5;
  margin-bottom: 1.85rem;
  opacity: 0;
  animation: riseIn 0.9s var(--ease-out) 0.4s forwards;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  opacity: 0;
  animation: riseIn 0.9s var(--ease-out) 0.55s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 1.7rem;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  border-radius: 2px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s, background 0.3s, color 0.3s;
}

.btn--primary {
  background: var(--cyan);
  color: var(--navy-deep);
}

.btn--primary:hover {
  background: var(--cyan-bright);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px var(--glow);
}

.btn--ghost {
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  color: var(--white);
}

.btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-3px);
}

.btn svg {
  width: 18px;
  height: 18px;
  transition: transform 0.3s var(--ease);
}

.btn:hover svg {
  transform: translateX(3px);
}

.hero__reel {
  position: absolute;
  left: var(--pad);
  right: var(--pad);
  bottom: 1.25rem;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.65rem;
  max-width: var(--max);
  margin: 0 auto;
  opacity: 0;
  animation: riseIn 0.9s var(--ease-out) 0.7s forwards;
}

.hero__reel-item {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 72px;
  padding: 0.7rem 0.85rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 16, 32, 0.35);
  text-align: left;
  transition: border-color 0.3s, transform 0.35s var(--ease), box-shadow 0.35s;
}

.hero__reel-item img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
  transition: opacity 0.35s, transform 0.6s var(--ease);
}

.hero__reel-item span {
  position: relative;
  z-index: 1;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--white);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
}

.hero__reel-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0, 12, 28, 0.85), transparent 55%);
  z-index: 0;
}

.hero__reel-item:hover {
  transform: translateY(-3px);
  border-color: rgba(94, 200, 216, 0.45);
}

.hero__reel-item:hover img {
  opacity: 0.8;
  transform: scale(1.06);
}

.hero__reel-item.is-active {
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px rgba(94, 200, 216, 0.25), 0 10px 28px rgba(0, 0, 0, 0.35);
}

.hero__reel-item.is-active img {
  opacity: 0.9;
}

.hero__reel-item.is-active span {
  color: var(--cyan-bright);
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* —— Section shared —— */
.section {
  padding: clamp(4rem, 10vw, 7rem) var(--pad);
}

.section__head {
  max-width: var(--max);
  margin: 0 auto 3rem;
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
}

.section__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.75rem;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--navy);
  line-height: 1.1;
}

.section__sub {
  color: var(--muted);
  max-width: 28em;
  font-size: 1.05rem;
}

/* —— Filters —— */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-btn {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--white);
  transition: all 0.25s var(--ease);
}

.filter-btn:hover {
  color: var(--navy);
  border-color: var(--cyan-soft);
}

.filter-btn.is-active {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

/* —— Work —— */
.work {
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(94, 200, 216, 0.08), transparent 55%),
    linear-gradient(180deg, #07121f 0%, #0a1828 40%, #0d1f32 100%);
  position: relative;
  color: var(--white);
}

.work .section__title {
  color: var(--white);
}

.work .section__sub {
  color: rgba(255, 255, 255, 0.55);
}

.work .filter-btn {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.6);
}

.work .filter-btn:hover {
  color: var(--white);
  border-color: var(--cyan);
}

.work .filter-btn.is-active {
  background: var(--cyan);
  color: var(--navy-deep);
  border-color: var(--cyan);
}

.work__list {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: clamp(1.75rem, 3.5vw, 2.75rem);
}

.project {
  position: relative;
  display: block;
  text-decoration: none;
  color: inherit;
  aspect-ratio: 16 / 9;
  min-height: 340px;
  max-height: 620px;
  overflow: hidden;
  cursor: pointer;
  opacity: 0;
  transform: translateY(48px) scale(0.985);
  transition:
    opacity 0.75s var(--ease-out),
    transform 0.75s var(--ease-out),
    box-shadow 0.5s var(--ease);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  isolation: isolate;
}

.project.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.project:hover {
  transform: translateY(-6px) scale(1);
  box-shadow:
    0 28px 70px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(94, 200, 216, 0.35),
    0 0 40px rgba(94, 200, 216, 0.12);
}

.project.is-hidden {
  display: none;
}

.project__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: var(--navy-deep);
}

.project__media img,
.project__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: transform 1.1s var(--ease), opacity 0.55s;
  transform: scale(1.02);
}

.project:hover .project__media img,
.project:hover .project__media video {
  transform: scale(1.1);
}

.project__media video {
  opacity: 0;
}

.project.is-playing .project__media video {
  opacity: 1;
}

.project.is-playing .project__media img {
  opacity: 0;
}

.project__veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(0, 16, 32, 0.88) 0%, rgba(0, 20, 40, 0.45) 42%, rgba(0, 20, 40, 0.15) 70%, transparent 100%),
    linear-gradient(0deg, rgba(0, 12, 28, 0.92) 0%, rgba(0, 16, 32, 0.35) 38%, transparent 62%);
  transition: opacity 0.5s var(--ease);
}

.project:hover .project__veil {
  opacity: 0.88;
  background:
    linear-gradient(90deg, rgba(0, 16, 32, 0.92) 0%, rgba(0, 20, 40, 0.55) 48%, rgba(0, 30, 50, 0.2) 75%, transparent 100%),
    linear-gradient(0deg, rgba(0, 12, 28, 0.95) 0%, rgba(0, 16, 32, 0.4) 42%, transparent 68%);
}

.project__content {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.35rem, 3vw, 2.25rem);
  pointer-events: none;
}

.project__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.project__index {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(94, 200, 216, 0.55);
  transition: color 0.4s, -webkit-text-stroke 0.4s;
}

.project:hover .project__index {
  color: rgba(94, 200, 216, 0.2);
  -webkit-text-stroke: 1.5px var(--cyan);
}

.project__tags {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  text-align: right;
  max-width: 18rem;
}

.project__bottom {
  max-width: min(34rem, 92%);
}

.project__subtitle {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--cyan);
  margin-bottom: 0.45rem;
  transform: translateY(8px);
  opacity: 0.85;
  transition: transform 0.45s var(--ease), opacity 0.45s;
}

.project:hover .project__subtitle {
  transform: translateY(0);
  opacity: 1;
}

.project__name {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.6vw, 3rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 0.75rem;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
}

.project__desc {
  color: rgba(255, 255, 255, 0.68);
  font-size: clamp(0.9rem, 1.4vw, 1.02rem);
  line-height: 1.55;
  margin-bottom: 1.35rem;
  max-width: 34em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  opacity: 0.75;
  transform: translateY(10px);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
}

.project:hover .project__desc {
  opacity: 1;
  transform: translateY(0);
  -webkit-line-clamp: 3;
}

.project__link {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  pointer-events: auto;
}

.project__link-text {
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  color: var(--white);
  position: relative;
  padding-bottom: 2px;
}

.project__link-text::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1.5px;
  background: var(--cyan);
  transform: scaleX(0.35);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

.project:hover .project__link-text::after {
  transform: scaleX(1);
}

.project__play {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--cyan);
  color: var(--navy-deep);
  display: grid;
  place-items: center;
  transition: transform 0.4s var(--ease), background 0.3s, box-shadow 0.4s;
  box-shadow: 0 8px 28px rgba(94, 200, 216, 0.35);
}

.project:hover .project__play {
  transform: scale(1.12);
  background: var(--cyan-bright);
  box-shadow: 0 12px 36px rgba(94, 200, 216, 0.5);
}

.project__play svg {
  width: 16px;
  height: 16px;
  margin-left: 2px;
}

.project__frame {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.2);
  transition: border-color 0.4s;
}

.project:hover .project__frame {
  border-color: rgba(94, 200, 216, 0.45);
}

.project__frame::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  transition: width 0.55s var(--ease);
}

.project:hover .project__frame::before {
  width: 55%;
}

/* —— About strip —— */
.about {
  background: var(--navy);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.about::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 50%;
  height: 140%;
  background: radial-gradient(circle, rgba(94, 200, 216, 0.15), transparent 65%);
  pointer-events: none;
}

.about__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  position: relative;
  z-index: 1;
}

.about .section__label {
  color: var(--cyan);
}

.about .section__title {
  color: var(--white);
  margin-bottom: 1.25rem;
}

.about__text {
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.1rem;
  max-width: 34em;
}

.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.stat {
  padding: 1.5rem;
  border: 1px solid rgba(94, 200, 216, 0.2);
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 0.3s, background 0.3s;
}

.stat:hover {
  border-color: var(--cyan);
  background: rgba(94, 200, 216, 0.08);
}

.stat__num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat__label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.04em;
}

/* —— Contact —— */
.contact {
  background: var(--mist);
}

.contact__inner {
  max-width: var(--max);
  margin: 0 auto;
  text-align: center;
}

.contact__inner .section__title {
  margin-bottom: 0.75rem;
}

.contact__inner .section__sub {
  margin: 0 auto 2rem;
}

.contact__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.contact__links a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.5rem;
  background: var(--white);
  border: 1px solid var(--line);
  font-weight: 500;
  color: var(--navy);
  transition: all 0.3s var(--ease);
}

.contact__links a:hover {
  border-color: var(--cyan);
  box-shadow: 0 8px 28px rgba(94, 200, 216, 0.2);
  transform: translateY(-2px);
}

/* —— Footer —— */
.footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.5);
  padding: 2rem var(--pad);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
}

.footer strong {
  color: var(--cyan-soft);
  font-weight: 600;
}

.footer a {
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  border-bottom: 1px solid rgba(94, 200, 216, 0.35);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.footer a:hover {
  color: var(--cyan-soft);
  border-color: var(--cyan);
}

/* —— Case study overlay —— */
.case {
  position: fixed;
  inset: 0;
  z-index: 1100;
  visibility: hidden;
  pointer-events: none;
}

.case.is-open {
  visibility: visible;
  pointer-events: auto;
}

.case__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 20, 40, 0.72);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.4s;
}

.case.is-open .case__backdrop {
  opacity: 1;
}

.case__panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(920px, 100%);
  height: 100%;
  background: var(--white);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.55s var(--ease-out);
  box-shadow: -20px 0 60px rgba(0, 0, 0, 0.25);
}

.case.is-open .case__panel {
  transform: translateX(0);
}

.case__close {
  position: sticky;
  top: 1rem;
  float: right;
  margin: 1rem 1rem 0 0;
  z-index: 5;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  display: grid;
  place-items: center;
  transition: background 0.25s, transform 0.25s;
}

.case__close:hover {
  background: var(--navy-mid);
  transform: rotate(90deg);
}

.case__close svg {
  width: 18px;
  height: 18px;
}

.case__video-wrap {
  position: relative;
  background: #000;
  aspect-ratio: 16 / 9;
  clear: both;
}

.case__video-wrap video,
.case__image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

.case__video-wrap.is-gallery {
  background: var(--navy-deep);
}

.case__video-wrap.is-gallery .case__image {
  object-fit: cover;
}

.case__video-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 1rem var(--pad) 0;
}

.case__vid-btn {
  padding: 0.45rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--muted);
  transition: all 0.25s;
}

.case__vid-btn.is-active,
.case__vid-btn:hover {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.case__content {
  padding: 2rem var(--pad) 4rem;
}

.case__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.case__meta dt {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.3rem;
}

.case__meta dd {
  font-weight: 600;
  color: var(--navy);
  font-size: 0.95rem;
}

.case__meta a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.case__headline {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.case__intro {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 2.5rem;
  max-width: 42em;
}

.case__sections {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  margin-bottom: 2.5rem;
}

.case__section h4 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--navy);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
}

.case__section h4 span {
  font-size: 0.75rem;
  color: var(--cyan);
  letter-spacing: 0.1em;
}

.case__section p {
  color: var(--muted);
  padding-left: 2.2rem;
}

.case__closing {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--navy);
  font-style: italic;
  padding: 1.5rem;
  background: var(--ice);
  border-left: 3px solid var(--cyan);
}

/* —— Case study page —— */
.case-page-body {
  color: var(--white);
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(94, 200, 216, 0.08), transparent 55%),
    linear-gradient(180deg, #07121f 0%, #0a1828 40%, #0d1f32 100%);
  min-height: 100vh;
}

.case-page__bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.12;
  filter: blur(48px) saturate(1.15);
  pointer-events: none;
}

.case-page-body .footer {
  position: relative;
  z-index: 1;
}

.case-page {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding: calc(var(--nav-h) + 1.5rem) var(--pad) 3rem;
}

.case-page-nav {
  background: rgba(0, 20, 40, 0.88);
  backdrop-filter: blur(16px);
  box-shadow: 0 8px 32px rgba(0, 20, 40, 0.25);
}

.case-page-body .case-page-nav.is-scrolled .nav__burger span {
  background: var(--white);
}

.case-page__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 1.5rem;
  transition: color 0.25s, gap 0.25s;
}

.case-page__back svg {
  width: 18px;
  height: 18px;
}

.case-page__back:hover {
  color: var(--cyan);
  gap: 0.75rem;
}

.case-page__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.5rem;
}

.case-page__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 1.75rem;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.case-page .case__video-wrap {
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid rgba(94, 200, 216, 0.25);
  box-shadow:
    0 20px 56px rgba(0, 0, 0, 0.45),
    0 0 40px rgba(94, 200, 216, 0.08);
  max-height: min(72vh, 720px);
}

.case-page__content {
  padding-left: 0;
  padding-right: 0;
}

.case-page-body .case__meta {
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.case-page-body .case__meta dt {
  color: rgba(255, 255, 255, 0.45);
}

.case-page-body .case__meta dd {
  color: rgba(255, 255, 255, 0.9);
}

.case-page-body .case__meta a {
  color: var(--cyan-bright);
}

.case-page-body .case__headline {
  color: var(--white);
}

.case-page-body .case__intro {
  color: rgba(255, 255, 255, 0.68);
}

.case-page-body .case__section h4 {
  color: var(--white);
}

.case-page-body .case__section p {
  color: rgba(255, 255, 255, 0.62);
}

.case-page-body .case__closing {
  color: var(--white);
  background: rgba(0, 32, 64, 0.55);
  border-left-color: var(--cyan);
  backdrop-filter: blur(8px);
}

.case-page-body .case__vid-btn {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.65);
}

.case-page-body .case__vid-btn:hover,
.case-page-body .case__vid-btn.is-active {
  background: var(--cyan);
  color: var(--navy-deep);
  border-color: var(--cyan);
}

.case-page__missing {
  padding: 4rem 0;
  text-align: center;
  color: rgba(255, 255, 255, 0.8);
}

.case-page__missing a {
  color: var(--cyan);
  font-weight: 600;
}

/* —— Cursor (desktop) —— */
.cursor {
  display: none;
}

@media (hover: hover) and (pointer: fine) {
  .cursor {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--cyan);
    pointer-events: none;
    z-index: 2000;
    mix-blend-mode: difference;
    transform: translate(-50%, -50%);
    transition: width 0.25s, height 0.25s, opacity 0.25s;
    opacity: 0;
  }

  .cursor.is-on {
    opacity: 1;
  }

  .cursor.is-hover {
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1.5px solid var(--cyan-bright);
  }

  body.has-cursor {
    cursor: none;
  }

  body.has-cursor a,
  body.has-cursor button,
  body.has-cursor .project {
    cursor: none;
  }
}

/* —— Responsive —— */
@media (max-width: 900px) {
  .project {
    aspect-ratio: 4 / 5;
    max-height: none;
    min-height: 420px;
  }

  .project__veil {
    background:
      linear-gradient(0deg, rgba(0, 12, 28, 0.95) 0%, rgba(0, 16, 32, 0.55) 45%, rgba(0, 20, 40, 0.25) 70%, transparent 100%),
      linear-gradient(90deg, rgba(0, 16, 32, 0.55) 0%, transparent 60%);
  }

  .project__tags {
    max-width: 10rem;
    font-size: 0.65rem;
  }

  .project__desc {
    -webkit-line-clamp: 3;
  }

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

  .hero__reel {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero__content {
    margin-bottom: clamp(8rem, 28vw, 11rem);
  }
}

@media (max-width: 720px) {
  .nav__links {
    position: fixed;
    inset: 0;
    background: var(--navy-deep);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: 0.35s;
  }

  .nav.is-open .nav__links {
    opacity: 1;
    visibility: visible;
  }

  .nav.is-open .nav__links a {
    color: var(--white) !important;
    font-size: 1.35rem;
  }

  .nav__burger {
    display: block;
  }

  .nav.is-open .nav__burger span {
    background: var(--white);
  }

  .nav.is-open .nav__burger span:nth-child(1) {
    top: 9px;
    transform: rotate(45deg);
  }

  .nav.is-open .nav__burger span:nth-child(2) {
    opacity: 0;
  }

  .nav.is-open .nav__burger span:nth-child(3) {
    top: 9px;
    transform: rotate(-45deg);
  }

  .hero {
    padding-bottom: 1rem;
  }

  .hero__reel-item {
    min-height: 58px;
  }

  .hero__reel-item span {
    font-size: 0.68rem;
  }

  .case__section p {
    padding-left: 0;
  }
}