/* ===================================================================
   Sand One Holdings — Design Tokens & Styles
   Art direction: Minimal modern maritime. Dark navy/slate surfaces,
   cool teal accent, generous whitespace, editorial typography.
   =================================================================== */

/* --- Type Scale (fluid clamp) --- */
:root {
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* Spacing (4px grid) */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Fonts */
  --font-display: 'DM Serif Display', 'Georgia', serif;
  --font-body: 'DM Sans', 'Inter', sans-serif;

  /* Layout */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Color Palette: Maritime Dark --- */
/* Custom maritime palette: deep slate/navy surfaces, warm sand accents, teal primary */

:root, [data-theme="dark"] {
  --color-bg:             #0e1117;
  --color-surface:        #151921;
  --color-surface-2:      #1a1f2a;
  --color-border:         #2a3040;
  --color-text:           #d4d8e0;
  --color-text-muted:     #7e8594;
  --color-text-faint:     #4a5060;
  --color-text-inverse:   #0e1117;
  --color-primary:        #3d9ba5;
  --color-primary-hover:  #2d8089;
  --color-accent:         #c8a87c;
  --color-hero-overlay:   rgba(10, 14, 20, 0.55);
}

[data-theme="light"] {
  --color-bg:             #f5f4f0;
  --color-surface:        #ffffff;
  --color-surface-2:      #edecea;
  --color-border:         #d4d1ca;
  --color-text:           #1a1d24;
  --color-text-muted:     #6b7080;
  --color-text-faint:     #a0a4af;
  --color-text-inverse:   #f5f4f0;
  --color-primary:        #1a7a84;
  --color-primary-hover:  #0d5f68;
  --color-accent:         #9a7b52;
  --color-hero-overlay:   rgba(10, 14, 20, 0.45);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
a:hover { color: var(--color-primary-hover); }

::selection {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  z-index: 200;
  font-size: var(--text-sm);
}
.skip-link:focus {
  top: var(--space-2);
}

/* --- Container --- */
.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (min-width: 768px) {
  .container { padding-inline: var(--space-8); }
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  transition: background 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}
.header--scrolled {
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--color-border);
}
.header--scrolled .header__logo { color: var(--color-text); }
.header--scrolled .header__logo:hover { color: var(--color-primary); }
.header--scrolled .nav-link { color: var(--color-text-muted); }
.header--scrolled .nav-link:hover { color: var(--color-text); }
.header__inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-4) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.header__nav { margin-left: auto; }
.header__toggle { flex-shrink: 0; }
@media (min-width: 768px) {
  .header__inner { padding: var(--space-4) var(--space-8); }
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: #ffffff;
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.header__logo:hover { color: rgba(255,255,255,0.7); }
.logo-icon { width: 32px; height: 32px; flex-shrink: 0; }
.logo-text { white-space: nowrap; }

@media (max-width: 899px) {
  .header__nav { display: none; }
  .header__toggle { margin-left: auto; }
}
.nav-list {
  list-style: none;
  display: flex;
  gap: var(--space-6);
}
.nav-link {
  font-size: var(--text-sm);
  color: #ffffff;
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: color var(--transition-interactive);
}
.nav-link:hover { color: rgba(255,255,255,0.7); }

.header__toggle {
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: color var(--transition-interactive), border-color var(--transition-interactive);
}
.header__toggle:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* Hamburger */
.header__hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
@media (min-width: 900px) {
  .header__hamburger { display: none; }
}
.header__hamburger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform 0.3s var(--ease-out), opacity 0.2s;
}
.header__hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.header__hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.header__hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile nav */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  background: oklch(from var(--color-bg) l c h / 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-out);
}
.mobile-nav--open {
  opacity: 1;
  pointer-events: auto;
}
.mobile-nav__list {
  list-style: none;
  text-align: center;
}
.mobile-nav__link {
  display: block;
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-xl);
  font-family: var(--font-display);
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.mobile-nav__link:hover { color: var(--color-primary); }

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 60vh;
  max-height: 70vh;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
}
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10, 14, 20, 0.75) 0%,
    rgba(10, 14, 20, 0.35) 40%,
    rgba(10, 14, 20, 0.1) 100%
  );
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--content-wide);
  margin-inline: auto;
  width: 100%;
  padding: var(--space-10) var(--space-4) var(--space-12);
}
@media (min-width: 768px) {
  .hero__content { padding: var(--space-10) var(--space-8) var(--space-16); }
}

.hero__eyebrow {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #ffffff;
  margin-bottom: var(--space-4);
  font-weight: 500;
}
.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: 1.1;
  color: #ffffff;
  margin-bottom: var(--space-6);
}
.hero__subtitle {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.7);
  max-width: 540px;
  line-height: 1.6;
  margin-bottom: var(--space-8);
}
.hero__cta {
  display: inline-block;
  color: rgba(255,255,255,0.7);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.hero__cta:hover {
  color: #ffffff;
}

.hero__scroll-hint {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero__scroll-hint span {
  display: block;
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.4);
  animation: scroll-hint 2s infinite;
}
@keyframes scroll-hint {
  0% { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  50.01% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 1; }
}

/* --- Sections --- */
.section {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) 0;
}

.section-header {
  margin-bottom: clamp(var(--space-8), 4vw, var(--space-16));
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.15;
  color: var(--color-text);
}

/* --- About --- */
.about-grid {
  display: grid;
  gap: clamp(var(--space-8), 4vw, var(--space-16));
}
@media (min-width: 768px) {
  .about-grid { grid-template-columns: 1.4fr 1fr; align-items: start; }
}

.about-text .lead {
  font-size: var(--text-lg);
  line-height: 1.5;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}
.about-text p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  max-width: 65ch;
}
.about-text p:last-child { margin-bottom: 0; }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.stat-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
}
.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}
.stat-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* --- Dubai Section --- */
.section--dubai {
  background: var(--color-surface);
}
.dubai-grid {
  display: grid;
  gap: clamp(var(--space-8), 4vw, var(--space-16));
  align-items: center;
}
@media (min-width: 768px) {
  .dubai-grid { grid-template-columns: 1fr 1fr; }
}
.dubai-heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}
.dubai-text p {
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 48ch;
  margin-bottom: var(--space-8);
}
.dubai-stats {
  display: flex;
  gap: var(--space-8);
}
.dubai-stats > div {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.dubai-stat {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
}
.dubai-stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.dubai-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.dubai-images img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* --- History / Timeline --- */
.section--history {
  background: var(--color-surface);
}

.timeline {
  position: relative;
  padding-left: var(--space-16);
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  padding-bottom: clamp(var(--space-8), 4vw, var(--space-12));
}
.timeline-item:last-child { padding-bottom: 0; }

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-16));
  top: var(--space-1);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  transform: translateX(-3.5px);
}

.timeline-year {
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}
.timeline-content h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.timeline-content p {
  color: var(--color-text-muted);
  max-width: 60ch;
}

/* --- Fleet --- */
.fleet-intro {
  color: var(--color-text-muted);
  max-width: 65ch;
  margin-bottom: clamp(var(--space-6), 3vw, var(--space-10));
}

/* Fleet Carousel */
.fleet-carousel {
  position: relative;
  margin-bottom: var(--space-6);
}
.fleet-carousel__track {
  display: flex;
  gap: var(--space-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: var(--space-2);
}
.fleet-carousel__track::-webkit-scrollbar { display: none; }

.fleet-slide {
  flex: 0 0 80%;
  scroll-snap-align: start;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--color-surface);
}
@media (min-width: 640px) {
  .fleet-slide { flex: 0 0 48%; }
}
@media (min-width: 1024px) {
  .fleet-slide { flex: 0 0 38%; }
}
.fleet-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.fleet-slide__name {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-6) var(--space-4) var(--space-3);
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 100%);
  color: #fff;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
}

.fleet-carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: background var(--transition-interactive), box-shadow var(--transition-interactive);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.fleet-carousel__btn:hover {
  background: var(--color-surface-2);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.fleet-carousel__btn--prev { left: var(--space-3); }
.fleet-carousel__btn--next { right: var(--space-3); }
@media (max-width: 639px) {
  .fleet-carousel__btn { display: none; }
}

/* Fleet Specs Bar */
.fleet-specs-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-bottom: clamp(var(--space-8), 4vw, var(--space-12));
}
@media (min-width: 640px) {
  .fleet-specs-bar { grid-template-columns: repeat(6, 1fr); }
}
.spec-item {
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}
.spec-item__label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-1);
}
.spec-item__value {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.vessel-card {
  display: grid;
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  margin-bottom: clamp(var(--space-8), 4vw, var(--space-12));
  background: var(--color-surface);
}
@media (min-width: 768px) {
  .vessel-card { grid-template-columns: 1fr 1fr; }
}

.vessel-image {
  height: 280px;
  overflow: hidden;
}
@media (min-width: 768px) {
  .vessel-image { height: 100%; min-height: 360px; }
}
.vessel-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.vessel-info {
  padding: var(--space-8);
}
.vessel-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  margin-bottom: var(--space-6);
  color: var(--color-text);
}
.vessel-specs {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  gap: var(--space-4);
}
.spec-row:last-child { border-bottom: none; padding-bottom: 0; }
.spec-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}
.spec-value {
  font-size: var(--text-sm);
  color: var(--color-text);
  text-align: right;
}

.services-grid {
  display: grid;
  gap: var(--space-4);
}
@media (min-width: 640px) {
  .services-grid { grid-template-columns: 1fr 1fr 1fr; }
}

.service-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.service-icon {
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.service-card h4 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.service-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- Management --- */
.section--management {
  background: var(--color-surface);
}

/* Management — two-column layout */
.mgmt-layout {
  display: grid;
  gap: clamp(var(--space-8), 4vw, var(--space-16));
}
@media (min-width: 768px) {
  .mgmt-layout { grid-template-columns: 1fr 1.4fr; align-items: start; }
}

.mgmt-text .mgmt-lead {
  font-size: var(--text-lg);
  line-height: 1.5;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}
.mgmt-text .mgmt-lead a {
  font-weight: 600;
}
.mgmt-text .mgmt-body {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  max-width: 50ch;
}
.mgmt-link {
  display: inline-block;
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.mgmt-link:hover { color: var(--color-primary-hover); }

.mgmt-services {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.mgmt-card {
  padding: var(--space-6);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.mgmt-card svg {
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.mgmt-card h4 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.mgmt-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  gap: clamp(var(--space-8), 4vw, var(--space-16));
}
@media (min-width: 768px) {
  .contact-grid { grid-template-columns: 1fr 1.2fr; }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}
.contact-block h4 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.contact-block p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.7;
}
.contact-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.contact-link:hover { color: var(--color-primary); }
.contact-link svg { flex-shrink: 0; }

.contact-form-wrapper {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.form-group {
  margin-bottom: var(--space-5);
}
.form-group label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  transition: border-color var(--transition-interactive);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
}
.form-group textarea { resize: vertical; min-height: 100px; }
/* Custom Select Dropdown */
.custom-select {
  position: relative;
}
.custom-select__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: border-color var(--transition-interactive);
  outline: none;
}
.custom-select__trigger:focus,
.custom-select__trigger[aria-expanded="true"] {
  border-color: var(--color-primary);
}
.custom-select__trigger svg {
  color: var(--color-text-muted);
  transition: transform var(--transition-interactive);
  flex-shrink: 0;
}
.custom-select__trigger[aria-expanded="true"] svg {
  transform: rotate(180deg);
}
.custom-select__options {
  display: none;
  position: absolute;
  top: calc(100% + var(--space-1));
  left: 0;
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  list-style: none;
  padding: var(--space-1) 0;
  z-index: 50;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.custom-select__options.is-open {
  display: block;
}
.custom-select__options li {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background var(--transition-interactive), color var(--transition-interactive);
}
.custom-select__options li:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}
.custom-select__options li.is-selected {
  color: var(--color-primary);
  font-weight: 500;
}

.form-submit {
  display: inline-block;
  padding: var(--space-3) var(--space-8);
  background: var(--color-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background var(--transition-interactive), transform var(--transition-interactive);
}
.form-submit:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}
.form-submit:active {
  transform: translateY(0);
}

/* --- Footer --- */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) 0 var(--space-8);
}
.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
}
.footer__brand .logo-icon {
  width: 28px;
  height: 28px;
}
.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-6);
}
.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer__links a:hover { color: var(--color-text); }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}
.footer__bottom p {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer__attribution {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer__attribution:hover { color: var(--color-text-muted); }

/* --- Scroll Animations --- */
.fade-in {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 80%;
  }
}

@keyframes reveal-fade {
  to { opacity: 1; }
}

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