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

:root {
  --bg:        #07080f;
  --bg2:       #0d0f1a;
  --surface:   #111422;
  --border:    #1e2240;
  --cyan:      #00d4ff;
  --cyan-dim:  #0090b8;
  --purple:    #9b5cff;
  --text:      #dde1f0;
  --text-dim:  #6b7399;
  --font-head: 'Orbitron', monospace;
  --font-body: 'Rajdhani', sans-serif;
  --gutter:    clamp(1rem, 4vw, 3rem);
}

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Background decoration ──────────────────────────────────── */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: fixed;
  top: -30vh;
  left: 50%;
  transform: translateX(-50%);
  width: 80vw;
  height: 60vh;
  background: radial-gradient(ellipse, rgba(155,92,255,.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ── Header ─────────────────────────────────────────────────── */
header {
  position: relative;
  z-index: 10;
  padding: 2.5rem var(--gutter) 0;
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
}

.logo-block { margin-bottom: 1.5rem; }

.site-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
  background: linear-gradient(135deg, #fff 30%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.site-tagline {
  font-family: var(--font-body);
  font-size: clamp(.85rem, 1.5vw, 1.05rem);
  font-weight: 300;
  letter-spacing: .35em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-top: .4rem;
  opacity: .8;
}

.header-line {
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--purple), transparent);
  opacity: .5;
}

/* ── Navigation ─────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7,8,15,.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: stretch;
  gap: 0;
  flex-wrap: wrap;
}

.nav-spacer { flex: 1; }

.nav-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-family: var(--font-head);
  font-size: .7rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  padding: 1.1rem 1.4rem;
  cursor: pointer;
  position: relative;
  transition: color .2s;
  white-space: nowrap;
}

.nav-btn::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transition: transform .25s ease;
}

.nav-btn:hover { color: var(--text); }
.nav-btn:hover::after { transform: scaleX(.6); }

.nav-btn.active {
  color: var(--cyan);
}
.nav-btn.active::after { transform: scaleX(1); }

.nav-secondary { color: var(--text-dim); opacity: .7; }
.nav-secondary.active { color: var(--purple); opacity: 1; }
.nav-secondary.active::after { background: var(--purple); transform: scaleX(1); }
.nav-secondary:hover::after { background: var(--purple); }

/* ── Main ───────────────────────────────────────────────────── */
main {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: 3rem var(--gutter) 5rem;
}

/* ── Tab sections ───────────────────────────────────────────── */
.tab-section {
  display: none;
  animation: fadeIn .4s ease;
}
.tab-section.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Section header ─────────────────────────────────────────── */
.section-header {
  margin-bottom: 2.5rem;
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}

.section-label {
  font-family: var(--font-head);
  font-size: .65rem;
  color: var(--cyan);
  letter-spacing: .2em;
  opacity: .6;
  flex-shrink: 0;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text);
}

.section-desc {
  font-size: 1.15rem;
  color: #a8b2d1;
  letter-spacing: .06em;
  font-weight: 500;
}

/* ── Gallery grid ───────────────────────────────────────────── */
.gallery {
  columns: 3 280px;
  column-gap: 12px;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 12px;
  position: relative;
  cursor: pointer;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 2px;
  transition: border-color .25s, transform .25s;
}

.gallery-item:hover {
  border-color: var(--cyan);
  transform: translateY(-3px);
  box-shadow: 0 8px 40px rgba(0,212,255,.15);
}

.gallery-item img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform .4s ease, filter .4s ease;
  filter: brightness(.9) saturate(.9);
}

.gallery-item:hover img {
  transform: scale(1.04);
  filter: brightness(1) saturate(1.1);
}

.gallery-item[data-rotate="90"]  img { transform: rotate(90deg); }
.gallery-item[data-rotate="180"] img { transform: rotate(180deg); }
.gallery-item[data-rotate="270"] img { transform: rotate(270deg); }
.gallery-item[data-rotate="90"]:hover  img { transform: rotate(90deg)  scale(1.04); }
.gallery-item[data-rotate="180"]:hover img { transform: rotate(180deg) scale(1.04); }
.gallery-item[data-rotate="270"]:hover img { transform: rotate(270deg) scale(1.04); }

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,212,255,.07);
  opacity: 0;
  transition: opacity .3s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-item:hover .gallery-overlay { opacity: 1; }

.zoom-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  font-size: .5rem;
  background: rgba(0,0,0,.5);
}

/* ── Empty state ────────────────────────────────────────────── */
.empty-state {
  min-height: 40vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: var(--text-dim);
  border: 1px dashed var(--border);
  border-radius: 4px;
}

.empty-icon { opacity: .3; }
.empty-label {
  font-family: var(--font-head);
  font-size: .8rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
  opacity: .5;
}
.empty-sub { font-size: .85rem; opacity: .4; letter-spacing: .1em; }

/* ── About ──────────────────────────────────────────────────── */
.about-content {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 4rem;
  align-items: start;
}

@media (max-width: 700px) {
  .about-content { grid-template-columns: 1fr; gap: 2rem; }
}

.about-photo-placeholder {
  aspect-ratio: 4/5;
  border: 1px solid var(--border);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  position: relative;
  overflow: hidden;
}

.about-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.about-name {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: .1em;
  background: linear-gradient(135deg, #fff 30%, var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: .75rem;
}

.about-divider {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  margin-bottom: 1.5rem;
}

.about-body {
  color: #c8cfe8;
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.8;
  margin-bottom: 1rem;
}

/* ── Contact ────────────────────────────────────────────────── */
.contact-content {
  max-width: 680px;
}

.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 500px) {
  .form-row { grid-template-columns: 1fr; }
}

.form-group { display: flex; flex-direction: column; gap: .45rem; }

.form-group label {
  font-family: var(--font-head);
  font-size: .65rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
  opacity: .8;
}

.form-group input,
.form-group textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: .75rem 1rem;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-dim);
  opacity: .5;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0,212,255,.08);
}

.submit-btn {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  background: none;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--font-head);
  font-size: .75rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  padding: .9rem 2rem;
  cursor: pointer;
  transition: background .2s, color .2s, box-shadow .2s;
  align-self: flex-start;
  border-radius: 2px;
}

.submit-btn:hover {
  background: var(--cyan);
  color: var(--bg);
  box-shadow: 0 0 30px rgba(0,212,255,.3);
}

.form-success {
  display: none;
  color: var(--cyan);
  font-size: .9rem;
  letter-spacing: .05em;
  padding: .75rem 1rem;
  border: 1px solid rgba(0,212,255,.3);
  border-radius: 2px;
  background: rgba(0,212,255,.05);
}
.form-success.visible { display: block; }

/* ── Lightbox ───────────────────────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(4,5,12,.95);
  display: none;
  align-items: center;
  justify-content: center;
}
.lightbox.open { display: flex; }

.lb-inner {
  max-width: 92vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lb-inner img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border: 1px solid var(--border);
  box-shadow: 0 0 80px rgba(0,0,0,.8);
}

.lb-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  cursor: pointer;
  border-radius: 2px;
  transition: border-color .2s, color .2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lb-close:hover { border-color: var(--cyan); color: var(--cyan); }

.lb-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(7,8,15,.7);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 1.2rem;
  width: 48px;
  height: 48px;
  cursor: pointer;
  border-radius: 2px;
  transition: border-color .2s, color .2s, background .2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lb-arrow:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(0,212,255,.08);
}
.lb-prev { left: 1.5rem; }
.lb-next { right: 1.5rem; }

.lb-counter {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-head);
  font-size: .65rem;
  letter-spacing: .2em;
  color: var(--text-dim);
}

/* ── Footer ─────────────────────────────────────────────────── */
footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem var(--gutter);
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: .8rem;
  letter-spacing: .1em;
}