/* =========================================================
   FLOW ART — Scroll-Driven Stacked Card Portfolio
   Rohit Nyaupane · 2026
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

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

:root {
  --font-sans: 'Plus Jakarta Sans', ui-sans-serif, system-ui, sans-serif;
  --card-radius: clamp(10px, 1.5vw, 20px);
  --card-padding: clamp(2rem, 5vw, 6rem);
  --transition: 220ms cubic-bezier(0.165, 0.84, 0.44, 1);
}

html { scroll-behavior: auto; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: #111;
  color: #fff;
  overflow-x: hidden;
  line-height: 1.5;
}

/* ──────────────────────────────────────────────
   FLOW ART WRAPPER — the scrollable container
────────────────────────────────────────────── */
.flow-art {
  position: relative;
  /* height is set dynamically by JS */
}

/* ──────────────────────────────────────────────
   FLOW SECTION — each stacked card
   NOTE: ALL transform/visibility/z-index is set
   by JavaScript. CSS only provides the base
   layout styles here.
────────────────────────────────────────────── */
.flow-section {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  background-color: var(--card-bg, #fd5200);
  color: var(--card-color, #fff);
  border-radius: var(--card-radius);
  overflow: hidden;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  will-change: transform;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.06) inset,
    0 24px 64px rgba(0,0,0,0.45);
}

/* ──────────────────────────────────────────────
   INNER SCROLL AREA
────────────────────────────────────────────── */
.flow-inner {
  width: 100%;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--card-padding);
  scrollbar-width: none;
  /* Ensure text content renders above the hero photo */
  position: relative;
  z-index: 1;
}
.flow-inner::-webkit-scrollbar { display: none; }

/* ──────────────────────────────────────────────
   TYPOGRAPHY
────────────────────────────────────────────── */
.flow-label {
  font-size: clamp(0.65rem, 1.2vw, 0.82rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  opacity: 0.55;
  margin-bottom: 0.75rem;
}

.flow-hr {
  border: none;
  border-top: 1px solid currentColor;
  opacity: 0.12;
  margin-bottom: clamp(1.5rem, 3vw, 3rem);
}

.flow-heading {
  font-size: clamp(3.2rem, 11vw, 13rem);
  font-weight: 800;
  line-height: 0.86;
  text-transform: uppercase;
  letter-spacing: -0.025em;
  margin-bottom: clamp(1.5rem, 3vw, 3rem);
}

.flow-body {
  font-size: clamp(1rem, 2.2vw, 1.75rem);
  font-weight: 400;
  line-height: 1.65;
  max-width: 50ch;
  opacity: 0.82;
}

/* ──────────────────────────────────────────────
   CARD 1 · HERO
────────────────────────────────────────────── */
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: clamp(1rem, 2vw, 2rem);
}
.hero-tag {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  border: 2px solid rgba(255,255,255,0.45);
  border-radius: 9999px;
  font-size: clamp(0.78rem, 1.4vw, 0.95rem);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: rgba(255,255,255,0.1);
  transition: background var(--transition);
}
.hero-tag:hover { background: rgba(255,255,255,0.22); }

.flow-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.8em 2em;
  border: 2px solid currentColor;
  border-radius: 9999px;
  font-size: clamp(0.82rem, 1.4vw, 1.05rem);
  font-weight: 700;
  text-decoration: none;
  color: inherit;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(255,255,255,0.13);
  transition: background var(--transition), color var(--transition), transform var(--transition);
  position: relative; z-index: 2; /* above photo */
}
.flow-cta:hover { background: rgba(255,255,255,0.88); color: #fd5200; transform: translateY(-2px); }
.flow-cta--ghost { background: transparent; }
.flow-cta--ghost:hover { background: rgba(255,255,255,0.13); color: inherit; }
.cta-arrow { display: inline-block; transition: transform var(--transition); }
.flow-cta:hover .cta-arrow { transform: translateY(3px); }

.hero-photo-wrap {
  /* Positioned in the middle-right of the card */
  position: absolute;
  top: 50%;
  right: 5%;
  transform: translateY(-50%);
  width: clamp(200px, 35%, 450px);
  z-index: 0;
  pointer-events: none;
}
.hero-photo {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 24px;
  opacity: 1;
  filter: saturate(1.05) contrast(1.02);
  box-shadow: 
    0 20px 40px rgba(0,0,0,0.2),
    0 0 0 1px rgba(255,255,255,0.1);
}

/* ──────────────────────────────────────────────
   CARD 2 · ABOUT
────────────────────────────────────────────── */
.sub-grid {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(0.75rem, 2vw, 1.5rem);
}
.sub-card {
  min-width: 160px;
  flex: 1;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 1.4rem;
  background: rgba(255,255,255,0.04);
  transition: background var(--transition), transform var(--transition);
}
.sub-card:hover { background: rgba(255,255,255,0.09); transform: translateY(-3px); }
.sub-card-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  opacity: 0.45;
  margin-bottom: 0.4rem;
}
.sub-card-value { font-size: clamp(0.95rem, 1.8vw, 1.3rem); font-weight: 700; }

.exp-list { display: flex; flex-direction: column; }
.exp-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  gap: 1rem;
  font-size: clamp(0.82rem, 1.5vw, 1.05rem);
  font-weight: 500;
  opacity: 0.8;
  transition: opacity var(--transition);
}
.exp-row:hover { opacity: 1; }
.exp-year { white-space: nowrap; font-weight: 700; opacity: 0.45; font-size: 0.82em; }

/* ──────────────────────────────────────────────
   CARD 3 · SKILLS
────────────────────────────────────────────── */
.skills-flex {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(0.75rem, 2vw, 1.5rem);
}
.skill-block {
  min-width: 160px;
  flex: 1;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 12px;
  padding: 1.4rem;
  background: rgba(0,0,0,0.04);
  transition: background var(--transition), transform var(--transition);
}
.skill-block:hover { background: rgba(0,0,0,0.08); transform: translateY(-3px); }
.skill-block-title {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
  opacity: 0.55;
}
.skill-list { list-style: none; display: flex; flex-direction: column; gap: 0.55rem; }
.skill-list li { display: flex; align-items: center; gap: 0.5rem; font-size: 0.92rem; font-weight: 500; }
.skill-list li em { opacity: 0.5; font-style: normal; font-size: 0.85em; }

.achieve-card {
  min-width: 160px;
  flex: 1;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 12px;
  padding: 1.4rem;
  background: rgba(0,0,0,0.04);
  transition: background var(--transition), transform var(--transition);
}
.achieve-card:hover { background: rgba(0,0,0,0.08); transform: translateY(-3px); }
.achieve-title { font-size: clamp(0.95rem, 1.8vw, 1.2rem); font-weight: 800; text-transform: uppercase; margin-bottom: 0.3rem; }
.achieve-sub { font-size: 0.82rem; opacity: 0.55; font-weight: 500; }

/* ──────────────────────────────────────────────
   CARD 4 · PROJECTS
────────────────────────────────────────────── */
.projects-flex {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(0.75rem, 2vw, 1.5rem);
}
.project-block {
  min-width: 260px;
  flex: 1;
  border: 1px solid rgba(255,255,255,0.13);
  border-radius: 16px;
  padding: 1.8rem;
  background: rgba(255,255,255,0.05);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: background var(--transition), transform var(--transition);
}
.project-block:hover { background: rgba(255,255,255,0.1); transform: translateY(-4px); }
.project-num { font-size: 0.68rem; font-weight: 800; letter-spacing: 0.22em; text-transform: uppercase; opacity: 0.38; }
.project-name { font-size: clamp(1rem, 2vw, 1.5rem); font-weight: 800; text-transform: uppercase; line-height: 1.1; }
.project-desc { font-size: clamp(0.82rem, 1.4vw, 0.97rem); font-weight: 400; line-height: 1.65; opacity: 0.68; flex: 1; }
.project-pills { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.project-pill {
  padding: 0.22rem 0.75rem;
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: 9999px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  background: rgba(255,255,255,0.07);
}
.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: inherit;
  text-decoration: none;
  opacity: 0.55;
  transition: opacity var(--transition), gap var(--transition);
  margin-top: 0.25rem;
}
.project-link:hover { opacity: 1; gap: 0.8rem; }

/* ──────────────────────────────────────────────
   CARD 5 · CONTACT
────────────────────────────────────────────── */
.contact-flex {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(0.75rem, 2vw, 1.5rem);
}
.contact-block {
  position: relative;
  min-width: 160px;
  flex: 1;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 1.6rem 1.4rem;
  background: rgba(255,255,255,0.04);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  text-decoration: none;
  color: inherit;
  transition: background var(--transition), transform var(--transition), border-color var(--transition);
}
.contact-block:hover { background: rgba(255,255,255,0.09); border-color: rgba(255,255,255,0.25); transform: translateY(-4px); }
.contact-arrow {
  position: absolute;
  top: 1.15rem;
  right: 1.15rem;
  font-size: 1.1rem;
  opacity: 0.35;
  transition: opacity var(--transition), transform var(--transition);
}
.contact-block:hover .contact-arrow { opacity: 0.9; transform: translate(2px,-2px); }
.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  margin-bottom: 0.25rem;
}
.contact-label { font-size: 0.67rem; font-weight: 800; letter-spacing: 0.22em; text-transform: uppercase; opacity: 0.4; }
.contact-value { font-size: clamp(0.82rem, 1.4vw, 0.97rem); font-weight: 600; word-break: break-all; }

.footer-stamp { display: flex; flex-direction: column; gap: 0.4rem; padding-top: 0.75rem; }
.footer-stamp > span:first-child { font-size: clamp(1.1rem, 3.5vw, 2.6rem); font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; }
.stamp-dot { color: #fd5200; }
.footer-copy { font-size: 0.68rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; opacity: 0.3; }

/* ──────────────────────────────────────────────
   PROGRESS DOTS
────────────────────────────────────────────── */
#flowDots {
  position: fixed;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  /* MUST be above all fixed cards */
  z-index: 100000;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  background: rgba(0,0,0,0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 999px;
  padding: 0.6rem 0.4rem;
  border: 1px solid rgba(255,255,255,0.12);
  /* Pointer events must work */
  pointer-events: all;
}
.flow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.55);
  background: transparent;
  cursor: pointer;
  transition: background 200ms, transform 200ms, border-color 200ms;
  display: block;
  padding: 0;
  outline: none;
  appearance: none;
}
.flow-dot.active {
  background: #fff;
  border-color: #fff;
  transform: scale(1.55);
}

/* ──────────────────────────────────────────────
   RESPONSIVE
────────────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --card-padding: 1.6rem 1.4rem;
    --card-radius: 0px;
  }
  .flow-heading { font-size: clamp(2.6rem, 13vw, 5.5rem); }
  .hero-photo-wrap { 
    top: auto;
    bottom: 2rem;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    width: clamp(200px, 60vw, 320px); 
    opacity: 1; 
  }
  .hero-photo {
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  }
  .flow-cta--ghost { display: none; }
  .sub-grid, .skills-flex, .projects-flex, .contact-flex { gap: 0.75rem; }
  .sub-card, .skill-block, .achieve-card, .project-block, .contact-block { min-width: 100%; }
  .exp-row { flex-direction: column; align-items: flex-start; gap: 0.15rem; }
  #flowDots { display: none; }
}
@media (max-width: 480px) {
  .flow-heading { font-size: clamp(2rem, 15vw, 4rem); }
}