:root {
  --color-bg: #000000;
  --color-bg-card: #1d1d1f;
  --color-bg-btn: #2a2a2a;
  --color-bg-dark: #020202;
  --color-white: #ffffff;
  --color-white-darker: #eaeaea;
  --color-muted: #878787;
  --color-footer-desc: #818181;
  --color-copyright: #6c6c6c;

  --font-base: 'Inter', sans-serif;

  --fs-hero: clamp(48px, 8vw, 145px);
  --fs-hero-sub: clamp(24px, 4vw, 60px);
  --fs-section-head: 120px;
  --fs-heading-sm: 70px;
  --fs-card-title: 2.5vw;
  --fs-body-large: clamp(20px, 3.5vw, 40px);
  --fs-body-med: clamp(20px, 2.5vw, 28px);
  --fs-body: clamp(18px, 2.2vw, 28px);
  --fs-label: clamp(12px, 1.5vw, 18px);
  --fs-tag: clamp(10px, 1.2vw, 14px);
  --fs-sub: clamp(14px, 1.8vw, 20px);

  --hero-title-mw: clamp(320px, 80vw, 1000px);
  --hero-body-mw: clamp(320px, 90vw, 1400px);

  --cs-heading-sm: 60px;

  --fs-display: 130px;

  --cn-headline: clamp(64px, 9vw, 130px);
  --cn-body: clamp(16px, 1.4vw, 24px);

  --cn-headline-mobile: clamp(42px, 11vw, 64px);
  --cn-body-mobile: clamp(15px, 4vw, 20px);

  --section-carousel-body: 28px;
  --section-carousel-label: 36px;

  --spacing-nav-h: 79px;
  --radius-card: 16px;

  --fluid-label: clamp(16px, 1.55vw, 20px);
  --fluid-title: clamp(32px, 6.8vw, 120px);
  --fluid-body: clamp(16px, 1.55vw, 20px);

  --fs-section-label: clamp(15px, 1.6vw, 24px);
  --fs-section-title: clamp(32px, 10vw, 120px);
  --fs-card-title: clamp(24px, 5vw, 42px);
  
  --card-height-fluid: clamp(420px, 60vw, 700px);
  --card-margin-fluid: clamp(24px, 6vw, 68px) clamp(20px, 4vw, 50px);


}

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

html,
body {
  background: var(--color-bg);
  color: var(--color-white);
  font-family: var(--font-base);
  -webkit-font-smoothing: antialiased;
  /* overflow-x: hidden removed from body — it blocks compositor-thread scrolling.
     Horizontal overflow is now contained at the section level where needed. */
  scroll-behavior: auto;
}

html.lenis,
html.lenis body {
  height: auto;
}

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

html.lenis.lenis-stopped {
  overflow: clip;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
    background: var(--color-bg);
}

html::-webkit-scrollbar-thumb,
body::-webkit-scrollbar-thumb {
    background: #3a3a3a;
    border-radius: 4px;
}

html::-webkit-scrollbar-thumb:hover,
body::-webkit-scrollbar-thumb:hover {
    background: #4a4a4a;
}

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

img {
  display: block;
}

#preloader {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.preloader__logo {
  width: 120px;
  animation: pulse 1.2s ease-in-out infinite;
}

/* ============================================================
   SCROLL REVEAL — FADE UP
   ============================================================ */
 
/* Keyframe */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
 
/* Base state: hidden until JS fires */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  /* will-change applied dynamically in JS just before each reveal */
}
 
/* Visible state added by IntersectionObserver */
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.mobile-reveal {
    opacity: 1;
    transform: none;
  }
 
/* Staggered children: each .reveal inside a stagger-parent
   gets an incremental delay based on its order               */
.stagger-parent .reveal:nth-child(1) { transition-delay: 0ms; }
.stagger-parent .reveal:nth-child(2) { transition-delay: 80ms; }
.stagger-parent .reveal:nth-child(3) { transition-delay: 160ms; }
.stagger-parent .reveal:nth-child(4) { transition-delay: 240ms; }
.stagger-parent .reveal:nth-child(5) { transition-delay: 320ms; }
.stagger-parent .reveal:nth-child(6) { transition-delay: 400ms; }

@media (max-width: 768px) {
  .mobile-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  }
  
  .mobile-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}

 
/* Respect reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(0.95);
  }
}

/* ============================================================
   Title on top-right, body on bottom-left
============================================================ */

.full-height-split {
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    background: #000;
    padding: 0 8vw;
    overflow: hidden;
    contain: layout style; /* isolate from page-level layout */
}

.split-grid {
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 80%;
    height: 100%;
}

.split-header {
    width: 100%;
}

.split-label {
    font-size: var(--fluid-label);
    text-transform: none;
    margin-bottom: 2.5vw;
}

.split-title {
    font-size: var(--fluid-title);
    line-height: 0.95;
    letter-spacing: -0.03em;
    font-weight: 500;
}

.split-footer {
    display: flex;
    justify-content: flex-end;
    margin-top: -2vw;
}

.split-body {
    font-size: var(--fluid-body);
    line-height: 1.35;
    max-width: 26vw;
    font-weight: 600;
}


/* ============================================================
   TABLET & MOBILE (Flow vertically)
   ============================================================ */

@media (max-width: 768px) {
    .full-height-split {
        height: auto;
        padding: 100px 5%;
        display: block;
    }

    .split-grid {
        height: auto;
    }

    .split-label {
        font-size: 20px;
        margin-bottom: 20px;
    }

    .split-title {
        font-size: clamp(48px, 10vw, 70px);
        margin-bottom: 40px;
        max-width: 85%;
    }

    .split-footer {
        justify-content: flex-start; 
        margin-top: 0 !important;
    }

    .split-body {
        font-size: 18px;
        max-width: 100% !important;
    }

    .split-title br,
    .split-body br {
        display: none;
    }

    .split-title br::after,
    .split-body br::after {
        content: " ";
    }

    .hero .split-title {
        font-size: clamp(40px, 5vw, 80px);
    }
}


/* ============================================================
    NAVIGATION BAR AND SIDE BAR
============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--spacing-nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 30px;
  background: rgba(0, 0, 0, 0.92);
  /* backdrop-filter removed — causes compositor re-blur on every scroll frame */
  z-index: 1003;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.nav--hidden {
  transform: translateY(-100%);
}

.nav__logo {
  display: inline-flex;
  align-items: center;
}

.nav__logo img {
  height: 52px;
  width: auto;
  display: block;
}

.nav__toggle {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  padding: 4px;
  width: 40px;
}

.nav__toggle span {
  display: block;
  height: 2.5px;
  width: 100%;
  background: var(--color-white);
  transition: transform 0.3s ease, opacity 0.3s ease;
  border-radius: 2px;
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
}

/* Nav button wrapper */
.nav__btn-wrap {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav__toggle,
.nav__sidebar-close {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

/* Hamburger bars */
.nav__toggle {
  flex-direction: column;
  gap: 6px;
  width: 40px;
  opacity: 1;
  pointer-events: auto;
}

.nav__toggle span {
  display: block;
  height: 2.5px;
  width: 100%;
  background: var(--color-white);
  border-radius: 2px;
}

/* X close button */
.nav__sidebar-close {
  color: var(--color-white);
  opacity: 0;
  pointer-events: none;
}

.nav__sidebar-close svg {
  width: 28px;
  height: 28px;
}

body.nav-open .nav__toggle {
  opacity: 0;
  pointer-events: none;
}

body.nav-open .nav__sidebar-close {
  opacity: 1;
  pointer-events: auto;
}

/* Nav overlay*/
.nav__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  /* backdrop-filter removed — expensive on low-end devices */
  z-index: 1001;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.nav__overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* Sidebar */
.nav__sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: 380px;
  max-width: 90vw;
  height: 100dvh;
  background: rgba(0, 0, 0, 0.85);
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  padding: 120px 48px 48px;
  z-index: 1002;
  transform: translateX(100%);
  transition: transform 0.45s cubic-bezier(0.165, 0.84, 0.44, 1);
  overflow-y: auto;
  overscroll-behavior: contain; /* prevent sidebar scroll from propagating to page */
}

.nav__sidebar.open {
  transform: translateX(0);
}

.nav__sidebar-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav__sidebar-link {
  font-size: 32px;
  font-weight: 500;
  letter-spacing: -0.5px;
  color: var(--color-white);
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  transition: color 0.2s ease, padding-left 0.2s ease;
  display: block;
}

.nav__sidebar-link:hover {
  color: var(--color-muted);
  padding-left: 8px;
}

/* Body scroll lock */
body.nav-open {
  overflow: hidden;
}

.page {
  padding-top: var(--spacing-nav-h);
}

/* ============================================================
    FOOTER
============================================================ */

.footer {
  padding: 80px 54px;
  background: var(--color-bg);
}

.footer__divider {
  width: 100%;
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
  margin-bottom: 134px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px 80px;
  align-items: start;
}

.footer__nav-group {
  display: flex;
  gap: 125px;
  align-items: start;
}

.footer__brand .footer__logo a {
  display: inline-block;
}

.footer__brand .footer__logo img {
  width: 210px;
  height: auto;
  display: block;
  object-fit: contain;
  margin-bottom: 24px;
}

.footer__desc {
  font-size: var(--fs-label);
  font-weight: 500;
  color: var(--color-footer-desc);
  line-height: 1.2;
  max-width: 403px;
}

.footer__nav-block {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 44px;
}

.footer__nav-block a {
  font-size: var(--fs-label);
  font-weight: 500;
  transition: color 0.2s;
}

.footer__nav-block a:hover {
  color: var(--color-muted);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 80px;
}

.footer__social {
  display: flex;
  gap: 25px;
  align-items: center;
}

.footer__social a {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer__social img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.footer__copyright {
  font-size: var(--fs-tag);
  font-weight: 500;
  color: var(--color-copyright);
}





@media (max-width: 1024px) {
  .footer__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer__nav-group {
    gap: 60px;
  }
  
}

@media (max-width: 768px) {
  .nav__sidebar {
    width: 280px; 
    padding: 100px 24px 24px; 
  }

  .nav__sidebar-link {
    font-size: 24px;
    padding: 12px 0; 
  }

  .footer {
    padding: 60px 24px;
  }

  .footer__divider {
    margin-bottom: 60px;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer__nav-group {
    flex-direction: column;
    gap: 32px;
  }

  .footer__bottom {
    justify-content: space-between;
    margin-top: 80px;
  }
}

img {
  image-rendering: -webkit-optimize-contrast;
}