/* =========================================================
   Korza.space — Liquid Architecture
   ========================================================= */

:root {
  --clay: #C96F52;
  --teal: #123D3B;
  --sand: #E9DCC7;
  --bone: #F6F0E6;
  --ink: #18201F;

  --font-display: "DM Serif Display", Georgia, "Times New Roman", serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;

  --grad-signature: linear-gradient(135deg, #C96F52 0%, #E9DCC7 100%);

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  --radius-nav: 18px;
  --max: 1280px;
  --pad-x: clamp(1.25rem, 4vw, 3.5rem);

  --shadow-soft: 0 18px 40px rgba(24, 32, 31, 0.08);
  --focus: 2px solid var(--clay);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--ink);
  background: var(--bone);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

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

a:focus-visible,
button:focus-visible {
  outline: var(--focus);
  outline-offset: 3px;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--pad-x);
  z-index: 1000;
  background: var(--teal);
  color: var(--bone);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

.section-inner {
  width: min(100% - (var(--pad-x) * 2), var(--max));
  margin-inline: auto;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: var(--space-md);
}

.section-label--bone {
  color: var(--sand);
}

.clay-bar {
  width: 50px;
  height: 5px;
  background: var(--clay);
  margin-bottom: var(--space-lg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: transform 0.35s ease, background-color 0.35s ease, color 0.35s ease;
}

.btn-primary {
  background: var(--teal);
  color: var(--bone);
  padding: 1rem 1.5rem;
  border-radius: 10px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: #0e302e;
}

.btn-ghost {
  background: transparent;
  color: var(--teal);
  padding: 1rem 0.25rem;
  position: relative;
}

.btn-ghost::after {
  content: "";
  position: absolute;
  left: 0.25rem;
  bottom: 0.7rem;
  width: 0;
  height: 1px;
  background: var(--clay);
  transition: width 0.4s ease;
}

.btn-ghost:hover::after {
  width: calc(100% - 0.5rem);
}

.btn-invite {
  position: relative;
  padding-right: 2.5rem;
}

.btn-clay {
  position: absolute;
  right: 1rem;
  width: 8px;
  height: 8px;
  background: var(--clay);
}

/* =========================================================
   Navigation
   ========================================================= */

.nav-wrap {
  position: sticky;
  top: 1rem;
  z-index: 100;
  width: min(100% - (var(--pad-x) * 2), var(--max));
  margin: 1rem auto 0;
  pointer-events: none;
}

.nav {
  pointer-events: auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  background: var(--bone);
  border: 1px solid rgba(18, 61, 59, 0.08);
  border-radius: var(--radius-nav);
  padding: 0.85rem 1.25rem;
  box-shadow: var(--shadow-soft);
}

.nav-brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  justify-self: start;
}

.nav-mark {
  width: 10px;
  height: 10px;
  background: var(--clay);
  margin-right: 0.15rem;
  align-self: center;
}

.nav-logo {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--teal);
}

.nav-dot {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--clay);
}

.nav-center {
  justify-self: center;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: rgba(24, 32, 31, 0.55);
}

.nav-enter {
  justify-self: end;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--teal);
  transition: color 0.3s ease;
}

.nav-enter:hover {
  color: var(--clay);
}

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

.hero {
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(4rem, 10vw, 8rem);
  background: var(--bone);
  overflow: hidden;
}

.hero-grid {
  width: min(100% - (var(--pad-x) * 2), var(--max));
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: end;
}

.hero-meta {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.75rem);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: rgba(24, 32, 31, 0.5);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(4.5rem, 11vw, 11rem);
  font-weight: 400;
  line-height: 0.82;
  letter-spacing: -0.055em;
  color: var(--ink);
  text-align: left;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.hero-title span {
  display: block;
}

.hero-title-accent {
  color: var(--teal);
}

.hero-lead {
  max-width: 28rem;
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  color: rgba(24, 32, 31, 0.78);
  margin-bottom: clamp(1.75rem, 3vw, 2.5rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.75rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.hero-move {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--ink);
}

.hero-move-line {
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--clay);
  transition: width 0.45s ease;
}

.hero-move:hover .hero-move-line {
  width: 60px;
}

/* Hero Sculpture */
.hero-sculpture {
  position: relative;
  min-height: clamp(320px, 48vw, 560px);
  display: grid;
  place-items: center;
}

.sculpture {
  position: relative;
  width: min(100%, 420px);
  aspect-ratio: 1 / 1.05;
  animation: korzaFloat 10s ease-in-out infinite;
}

.sculpture__block {
  position: absolute;
  inset: 12% 18% 22% 10%;
  background: var(--teal);
  border-radius: 42% 28% 36% 22% / 34% 40% 28% 38%;
  box-shadow: 18px 28px 0 rgba(201, 111, 82, 0.12);
}

.sculpture__oval {
  position: absolute;
  width: 58%;
  height: 38%;
  top: 8%;
  right: 4%;
  background: var(--sand);
  border-radius: 50% 50% 46% 54% / 58% 42% 58% 42%;
  transform: rotate(-18deg);
  box-shadow: inset -12px -8px 0 rgba(24, 32, 31, 0.04);
}

.sculpture__arc {
  position: absolute;
  width: 46%;
  aspect-ratio: 1;
  left: 4%;
  bottom: 10%;
  background: var(--bone);
  border: 14px solid var(--clay);
  border-radius: 50%;
  clip-path: polygon(0 0, 100% 0, 100% 62%, 0 78%);
  transform: rotate(24deg);
}

.sculpture__slab {
  position: absolute;
  width: 34%;
  height: 52%;
  right: 10%;
  bottom: 6%;
  background: var(--ink);
  border-radius: 18px 48px 22px 40px;
  transform: rotate(14deg);
  opacity: 0.92;
}

.sculpture__line {
  position: absolute;
  width: 2px;
  height: 42%;
  top: 18%;
  left: 48%;
  background: var(--clay);
  transform: rotate(-28deg);
}

.sculpture__grad {
  position: absolute;
  width: 70px;
  height: 70px;
  top: 42%;
  left: 22%;
  background: var(--grad-signature);
  border-radius: 28% 72% 40% 60% / 50% 30% 70% 50%;
  transform: rotate(-8deg);
}

.sculpture-label {
  position: absolute;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: rgba(24, 32, 31, 0.45);
}

.sculpture-label--a { top: 6%; left: 4%; }
.sculpture-label--b { top: 18%; right: 0; }
.sculpture-label--c { bottom: 22%; left: 0; }
.sculpture-label--d { bottom: 8%; right: 8%; }

/* =========================================================
   Philosophy
   ========================================================= */

.philosophy {
  background: var(--teal);
  color: var(--bone);
  padding: clamp(5rem, 12vw, 9rem) 0;
}

.philosophy-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 8.5rem);
  font-weight: 400;
  line-height: 0.88;
  letter-spacing: -0.04em;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.philosophy-title span {
  display: block;
}

.philosophy-text {
  max-width: 34rem;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: rgba(246, 240, 230, 0.82);
  line-height: 1.7;
}

/* =========================================================
   Spatial Principles
   ========================================================= */

.principles {
  background: var(--bone);
  padding: clamp(4rem, 10vw, 7rem) 0;
}

.principle {
  display: grid;
  grid-template-columns: minmax(4rem, 0.18fr) 1fr auto;
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: center;
  padding: clamp(1.75rem, 4vw, 2.75rem) 0;
  border-top: 1px solid rgba(24, 32, 31, 0.14);
  position: relative;
  transition: padding 0.4s ease;
}

.principle:last-child {
  border-bottom: 1px solid rgba(24, 32, 31, 0.14);
}

.principle::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 2px;
  background: var(--clay);
  transition: width 0.45s ease;
}

.principle:hover::before,
.principle:focus-visible::before {
  width: 100%;
}

.principle-num {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  line-height: 0.9;
  color: var(--teal);
  transition: transform 0.45s ease, color 0.35s ease;
}

.principle:hover .principle-num,
.principle:focus-visible .principle-num {
  transform: translateX(10px);
  color: var(--clay);
}

.principle-body {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.principle-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1;
  letter-spacing: -0.03em;
  transition: transform 0.45s ease;
}

.principle:hover .principle-title,
.principle:focus-visible .principle-title {
  transform: translateX(8px);
}

.principle-desc {
  font-size: 1rem;
  color: rgba(24, 32, 31, 0.68);
}

.principle-arrow {
  font-size: 1.5rem;
  color: var(--teal);
  transition: transform 0.4s ease, color 0.3s ease;
}

.principle:hover .principle-arrow,
.principle:focus-visible .principle-arrow {
  transform: translateX(8px);
  color: var(--clay);
}

/* =========================================================
   Korza Form
   ========================================================= */

.form {
  background: var(--sand);
  padding: clamp(5rem, 11vw, 8rem) 0;
  overflow: visible;
}

.form-grid {
  width: min(100% - (var(--pad-x) * 2), var(--max));
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 6vw, 4rem);
  align-items: center;
}

.form-title {
  font-family: var(--font-display);
  font-size: clamp(3.25rem, 8vw, 7rem);
  line-height: 0.88;
  letter-spacing: -0.04em;
  color: var(--ink);
  margin-bottom: var(--space-lg);
}

.form-title span {
  display: block;
}

.form-text {
  max-width: 26rem;
  color: rgba(24, 32, 31, 0.72);
  font-size: 1.05rem;
}

.form-sculpture-wrap {
  position: relative;
  min-height: clamp(300px, 42vw, 520px);
}

.form-sculpture {
  position: absolute;
  width: min(115%, 540px);
  aspect-ratio: 1.05 / 1;
  right: -8%;
  top: 0;
  bottom: 0;
  margin-block: auto;
  animation: korzaFloat 12s ease-in-out infinite;
}

.form-sculpture__teal {
  position: absolute;
  width: 68%;
  height: 78%;
  left: 8%;
  top: 8%;
  background: var(--teal);
  border-radius: 36% 18% 42% 24% / 28% 34% 22% 40%;
  box-shadow: var(--shadow-soft);
}

.form-sculpture__clay {
  position: absolute;
  width: 46%;
  aspect-ratio: 1;
  right: 4%;
  top: 6%;
  background: var(--clay);
  border-radius: 50%;
  clip-path: ellipse(100% 100% at 0% 50%);
}

.form-sculpture__bone {
  position: absolute;
  width: 34%;
  height: 42%;
  left: 28%;
  top: 28%;
  background: var(--bone);
  border-radius: 40% 20% 48% 28%;
  box-shadow: inset 0 0 0 1px rgba(24, 32, 31, 0.06);
}

.form-sculpture__ink {
  position: absolute;
  width: 1px;
  height: 70%;
  right: 28%;
  top: 12%;
  background: var(--ink);
  transform: rotate(18deg);
}

.form-sculpture__grad {
  position: absolute;
  width: 90px;
  height: 90px;
  right: 16%;
  bottom: 10%;
  background: var(--grad-signature);
  border-radius: 22px 48px 18px 40px;
  transform: rotate(-12deg);
}

/* =========================================================
   Layered Space
   ========================================================= */

.layered {
  background: var(--teal);
  color: var(--bone);
  padding: clamp(5rem, 12vw, 9rem) 0;
  overflow: hidden;
}

.layered-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 4rem);
  align-items: center;
}

.layered-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6.5rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
}

.layered-title span {
  display: block;
}

.planes {
  position: relative;
  min-height: clamp(280px, 36vw, 420px);
}

.plane {
  position: absolute;
  display: grid;
  place-items: center;
  width: min(78%, 320px);
  aspect-ratio: 1.35 / 1;
  border: 1px solid rgba(246, 240, 230, 0.28);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--bone);
  backdrop-filter: none;
}

.plane--1 {
  background: rgba(246, 240, 230, 0.08);
  left: 8%;
  top: 8%;
  transform: rotate(-8deg);
  animation: planeSlide 14s ease-in-out infinite;
  z-index: 1;
}

.plane--2 {
  background: rgba(201, 111, 82, 0.18);
  left: 22%;
  top: 28%;
  transform: rotate(4deg);
  animation: planeSlide 14s ease-in-out infinite 0.8s reverse;
  z-index: 2;
}

.plane--3 {
  background: rgba(233, 220, 199, 0.12);
  left: 36%;
  top: 48%;
  transform: rotate(-3deg);
  border-color: rgba(201, 111, 82, 0.45);
  animation: planeSlide 14s ease-in-out infinite 1.4s;
  z-index: 3;
}

/* =========================================================
   Material Gallery
   ========================================================= */

.gallery {
  background: var(--bone);
  padding: clamp(5rem, 11vw, 8rem) 0;
}

.gallery-heading {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.03em;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  color: var(--ink);
}

.studies {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 4vw, 3.5rem) clamp(1.5rem, 3vw, 2.5rem);
}

.study {
  margin: 0;
}

.study-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  margin-bottom: 1rem;
}

.study figcaption {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.study-num {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: rgba(24, 32, 31, 0.45);
}

.study-name {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--teal);
}

/* Study 01 — Clay / Form on Bone */
.study-visual--01 {
  background: var(--bone);
  border: 1px solid rgba(24, 32, 31, 0.06);
}

.study01-a {
  position: absolute;
  width: 48%;
  height: 62%;
  left: 18%;
  top: 20%;
  background: var(--clay);
  border-radius: 42% 28% 36% 48% / 38% 42% 30% 44%;
}

.study01-b {
  position: absolute;
  width: 28%;
  height: 28%;
  right: 18%;
  top: 18%;
  background: var(--sand);
  border-radius: 50%;
}

.study01-c {
  position: absolute;
  width: 2px;
  height: 40%;
  right: 32%;
  bottom: 14%;
  background: var(--ink);
  transform: rotate(18deg);
}

/* Study 02 — Teal / Depth on Sand */
.study-visual--02 {
  background: var(--sand);
}

.study02-a {
  position: absolute;
  inset: 16% 22% 20% 14%;
  background: var(--teal);
  border-radius: 18px 48px 22px 56px;
}

.study02-b {
  position: absolute;
  width: 36%;
  height: 18%;
  right: 12%;
  bottom: 18%;
  background: var(--bone);
  border-radius: 999px;
}

.study02-c {
  position: absolute;
  width: 70px;
  height: 70px;
  left: 12%;
  top: 14%;
  background: var(--grad-signature);
  border-radius: 20px;
  transform: rotate(12deg);
}

/* Study 03 — Sand / Light with Ink */
.study-visual--03 {
  background: var(--sand);
}

.study03-a {
  position: absolute;
  width: 70%;
  height: 55%;
  left: 10%;
  top: 22%;
  background: rgba(246, 240, 230, 0.7);
  border-radius: 60% 40% 48% 52% / 44% 52% 38% 56%;
}

.study03-b {
  position: absolute;
  width: 1px;
  height: 70%;
  left: 36%;
  top: 15%;
  background: var(--ink);
}

.study03-c {
  position: absolute;
  width: 42%;
  height: 1px;
  left: 36%;
  top: 48%;
  background: var(--ink);
}

/* Study 04 — Space / Shift asymmetric */
.study-visual--04 {
  background: var(--bone);
  border: 1px solid rgba(24, 32, 31, 0.06);
}

.study04-a {
  position: absolute;
  width: 55%;
  height: 70%;
  left: 8%;
  top: 15%;
  background: var(--teal);
  border-radius: 8px;
  transform: rotate(-6deg);
}

.study04-b {
  position: absolute;
  width: 40%;
  height: 48%;
  right: 10%;
  top: 28%;
  background: var(--sand);
  border-radius: 40% 20% 36% 28%;
  transform: rotate(8deg);
}

.study04-c {
  position: absolute;
  width: 22%;
  aspect-ratio: 1;
  right: 22%;
  bottom: 16%;
  background: var(--clay);
  border-radius: 50%;
  clip-path: polygon(0 0, 100% 0, 100% 55%, 0 80%);
}

.study04-d {
  position: absolute;
  width: 80px;
  height: 8px;
  left: 18%;
  bottom: 18%;
  background: var(--grad-signature);
  border-radius: 4px;
}

/* =========================================================
   Statement
   ========================================================= */

.statement {
  background: var(--teal);
  color: var(--bone);
  padding: clamp(5rem, 12vw, 9rem) 0;
}

.statement-inner {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.statement-mark {
  width: 72px;
  height: 72px;
  border: 1px solid rgba(201, 111, 82, 0.85);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--clay);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-top: 0.6rem;
}

.statement-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 10vw, 9rem);
  line-height: 0.86;
  letter-spacing: -0.045em;
}

.statement-title span {
  display: block;
}

.statement-accent {
  color: var(--clay);
}

/* =========================================================
   Final Invitation
   ========================================================= */

.invite {
  background: var(--bone);
  padding: clamp(5rem, 12vw, 9rem) 0;
}

.invite-inner {
  max-width: 48rem;
}

.invite-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 10vw, 8.5rem);
  line-height: 0.88;
  letter-spacing: -0.045em;
  color: var(--ink);
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.invite-title span {
  display: block;
}

.invite-text {
  max-width: 28rem;
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  color: rgba(24, 32, 31, 0.72);
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.invite-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.75rem;
}

/* =========================================================
   Footer
   ========================================================= */

.footer {
  background: var(--teal);
  color: var(--bone);
  padding: clamp(4rem, 9vw, 6.5rem) 0 2rem;
}

.footer-inner {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4rem);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 0.9;
  letter-spacing: -0.03em;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.footer-dot {
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.5vw, 1.15rem);
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--clay);
}

.footer-tagline {
  margin-top: 1rem;
  font-size: 1.05rem;
  color: rgba(246, 240, 230, 0.72);
  font-style: italic;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(246, 240, 230, 0.14);
}

.footer-col h3 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  margin-bottom: 1rem;
  color: var(--sand);
}

.footer-col ul {
  display: grid;
  gap: 0.65rem;
}

.footer-col a {
  font-size: 0.95rem;
  color: rgba(246, 240, 230, 0.78);
  transition: color 0.3s ease;
}

.footer-col a:hover {
  color: var(--clay);
}

.footer-bottom {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(246, 240, 230, 0.14);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: rgba(246, 240, 230, 0.55);
}

.footer-clay {
  width: 8px;
  height: 8px;
  background: var(--clay);
}

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

@keyframes korzaFloat {
  0% {
    transform: translateY(0) rotate(-2deg);
  }
  50% {
    transform: translateY(-12px) rotate(2deg);
  }
  100% {
    transform: translateY(0) rotate(-2deg);
  }
}

@keyframes planeSlide {
  0%,
  100% {
    translate: 0 0;
  }
  50% {
    translate: 10px -8px;
  }
}

/* Reveal on load — subtle */
.hero-title span,
.philosophy-title span,
.form-title span,
.layered-title span,
.statement-title span,
.invite-title span {
  animation: typeReveal 1.1s ease both;
}

.hero-title span:nth-child(2),
.philosophy-title span:nth-child(2),
.form-title span:nth-child(2),
.layered-title span:nth-child(2),
.statement-title span:nth-child(2),
.invite-title span:nth-child(2) {
  animation-delay: 0.08s;
}

.hero-title span:nth-child(3),
.philosophy-title span:nth-child(3),
.form-title span:nth-child(3),
.layered-title span:nth-child(3),
.statement-title span:nth-child(3),
.invite-title span:nth-child(3) {
  animation-delay: 0.16s;
}

.statement-title span:nth-child(4),
.invite-title span:nth-child(4) {
  animation-delay: 0.24s;
}

@keyframes typeReveal {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 980px) {
  .hero-grid,
  .form-grid,
  .layered-inner {
    grid-template-columns: 1fr;
  }

  .hero-sculpture {
    order: 2;
    min-height: 380px;
  }

  .hero-copy {
    order: 1;
  }

  .form-sculpture {
    position: relative;
    right: auto;
    top: auto;
    bottom: auto;
    width: min(100%, 460px);
    margin: 0 auto;
  }

  .form-sculpture-wrap {
    min-height: auto;
    display: grid;
    place-items: center;
    padding-top: 1rem;
  }

  .planes {
    min-height: 340px;
  }

  .statement-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav {
    grid-template-columns: 1fr auto;
    gap: 0.65rem;
  }

  .nav-center {
    display: none;
  }

  .hero {
    padding-top: 2.5rem;
  }

  .hero-title {
    font-size: clamp(3.75rem, 18vw, 5.5rem);
  }

  .principle {
    grid-template-columns: auto 1fr;
    gap: 1rem;
  }

  .principle-arrow {
    display: none;
  }

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

  .footer-cols {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .sculpture-label--b,
  .sculpture-label--d {
    display: none;
  }

  .plane {
    width: min(84%, 280px);
  }

  .plane--1 { left: 4%; top: 4%; }
  .plane--2 { left: 14%; top: 26%; }
  .plane--3 { left: 24%; top: 48%; }
}

@media (max-width: 480px) {
  .nav-wrap {
    top: 0.75rem;
  }

  .nav {
    padding: 0.75rem 1rem;
  }

  .hero-actions,
  .invite-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-primary {
    width: 100%;
    justify-content: center;
  }
}

/* =========================================================
   Reduced motion
   ========================================================= */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}