/* ================================================================
   styles.css — Ritodhee Chatterjee personal site
   ================================================================

   TABLE OF CONTENTS
   ─────────────────
   1.  Reset & CSS Variables
   2.  Base (html, body)
   3.  Landing Layout
   4.  Video Block
   5.  Name Block
   6.  Blur Overlay
   7.  Circular Menu — Shell
   8.  Circular Menu — Items
   9.  Blank Inner Pages (about / art / projects)

================================================================ */


/* ──────────────────────────────────────────────────────────────
   1. RESET & CSS VARIABLES
────────────────────────────────────────────────────────────── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Brand colours (taken directly from Figma SVG export) */
  --c-orange:    #FF7300;
  --c-pink:      #FF00B7;
  --c-white:     #ffffff;
  --c-bg:        #ffffff;

  /* Typography */
  --font-display: 'Helvetica Neue', Helvetica, Arial, sans-serif;

  /* Circle-menu diameter — adjust to taste */
  --menu-size: 270px;
}


/* ──────────────────────────────────────────────────────────────
   2. BASE
────────────────────────────────────────────────────────────── */
html, body {
  width: 100%;
  height: 100%;
  background: var(--c-bg);
  overflow: hidden;           /* single-screen; wheel events used instead */
  font-family: var(--font-display);
  cursor: default;
}


/* ──────────────────────────────────────────────────────────────
   3. LANDING LAYOUT
────────────────────────────────────────────────────────────── */
.landing {
  position: relative;
  width: 100vw;
  height: 100vh;
}


/* ──────────────────────────────────────────────────────────────
   4. VIDEO BLOCK
   Sits in the upper-right quadrant, matching the Figma frame.
   Adjust width / height percentages to reframe the crop.
────────────────────────────────────────────────────────────── */
.video-wrapper {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: auto;
}

.video-wrapper video {
  width: 100%;
  height: auto;
  display: block;
}


/* ──────────────────────────────────────────────────────────────
   5. NAME BLOCK
   Large display text anchored bottom-left, overlapping
   the lower edge of the video just like the Figma.
────────────────────────────────────────────────────────────── */
.name-block {
  position: fixed;
  left: 3vw;
  bottom: 5vh;
  bottom: 5dvh;
  line-height: 0.88;
  user-select: none;
  z-index: 1;
}

.name-line {
  display: block;
  font-size: clamp(60px, 18vw, 250px);
  font-weight: 400;
  letter-spacing: -1.5px;
  will-change: transform;
  transition: transform 0.12s ease-out;
}

/* Colour zones */
.c-orange { color: var(--c-orange); }
.c-pink   { color: var(--c-pink);   }


/* ──────────────────────────────────────────────────────────────
   6. BLUR OVERLAY
   Full-screen frosted-glass backdrop.
   backdrop-filter does the blur; brightness darkens.
   Clicking this overlay dismisses the circle menu.
────────────────────────────────────────────────────────────── */
.blur-overlay {
  position: fixed;
  inset: 0;
  backdrop-filter: blur(16px) brightness(0.6);
  -webkit-backdrop-filter: blur(16px) brightness(0.6);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.38s ease;
  z-index: 10;
}

.blur-overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* ── Site header — click-to-open menu trigger (non-scroll pages) ── */
.site-header {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 6;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 300;
  letter-spacing: 1.5px;
  color: #111;
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 999px;
  padding: 7px 22px;
  opacity: 0.9;
  cursor: pointer;
  user-select: none;
  transition: opacity 0.2s;
  white-space: nowrap;
}
.site-header:hover { opacity: 1; }


/* ──────────────────────────────────────────────────────────────
   7. CIRCULAR MENU — SHELL
   Centered fixed, scales in from 85% → 100% when opening.
────────────────────────────────────────────────────────────── */
.circle-menu {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(1.1);
  width: var(--menu-size);
  height: var(--menu-size);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.38s ease, transform 0.38s ease;
  z-index: 20;
}

.circle-menu.active {
  opacity: 1;
  pointer-events: all;
  transform: translate(-50%, -50%) scale(1.6);
}

/* SVG broken ring — 4 arcs with gaps at each label position */
.circle-ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}


/* ──────────────────────────────────────────────────────────────
   8. CIRCULAR MENU — ITEMS
   Each link is anchored to a cardinal point on the ring edge.
────────────────────────────────────────────────────────────── */
.menu-item {
  position: absolute;
  color: #ffffff;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.2px;
  white-space: nowrap;
  transition: opacity 0.2s ease;
}

.menu-item:hover { opacity: 0.5; }

/* Each label is centered exactly at its gap on the ring edge */
.menu-top    { left: 135px; top: 10px;  transform: translate(-50%, -50%); }
.menu-right  { left: 265px; top: 135px; transform: translate(-50%, -50%); }
.menu-bottom { left: 135px; top: 260px; transform: translate(-50%, -50%); }
.menu-left   { left: 5px;   top: 135px; transform: translate(-50%, -50%); }
.menu-center { left: 135px; top: 135px; transform: translate(-50%, -50%); pointer-events: none; cursor: default; user-select: none; }


/* ──────────────────────────────────────────────────────────────
   9. BLANK INNER PAGES (about / art / projects)
   Dark canvas. The circle-menu is included on each page
   so users can always navigate back.
────────────────────────────────────────────────────────────── */
.blank-page {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100vw;
  height: 100vh;
  background: var(--c-bg);
  color: rgba(0, 0, 0, 0.25);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
}


/* ──────────────────────────────────────────────────────────────
   10. RESPONSIVE — MOBILE
────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  :root { --menu-size: 220px; }

  /* No extra scale on mobile — keep 1:1 so labels stay on-screen */
  .circle-menu.active {
    transform: translate(-50%, -50%) scale(1.0);
  }

  /* Adjust label positions for smaller menu */
  .menu-top    { left: 110px; top: 8px; }
  .menu-right  { left: 210px; top: 110px; }
  .menu-bottom { left: 110px; top: 212px; }
  .menu-left   { left: 10px;  top: 110px; }
  .menu-center { left: 110px; top: 110px; }

  /* Larger tap targets */
  .menu-item { font-size: 13px; padding: 8px; }

  /* Name text slightly smaller floor */
  .name-line { font-size: clamp(48px, 18vw, 250px); }

  /* Site header bigger for tap */
  .site-header { font-size: 16px; padding: 8px; }
}