/* =========================================
   main.css — Layout & Components
  PMLAB portfolio website
   ========================================= */

/* ===========================================
   BASE
=========================================== */
body {
  background: var(--bg-primary);
  background-image:
    radial-gradient(circle at 10% -10%, rgba(77, 166, 255, 0.16), transparent 42%),
    radial-gradient(circle at 90% 10%, rgba(123, 97, 255, 0.14), transparent 38%);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.7;
  overflow-x: hidden;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

section {
  padding: var(--section-pad) 0;
}

/* ===========================================
   INTRO LOGO OVERLAY
=========================================== */
#logo-intro {
  /* Transparent marker — visual work is all on .logo-intro-lockup */
  pointer-events: none;
}

.logo-intro-lockup {
  /* Independently fixed; JS sets left/top each frame in pixel coords */
  position: fixed;
  z-index: 299;   /* above hero (z-index:auto) and all content; below navbar (300) */
  display: none;  /* hidden by default; .is-active on parent shows it */
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  color: var(--text-primary);
  line-height: 1;
  text-align: center;
  transform-origin: 50% 50%;
  will-change: transform, opacity;
}

#logo-intro.is-active .logo-intro-lockup {
  display: inline-flex;
}

#logo-intro .brand-logo {
  width: 96px;
  height: 96px;
  object-fit: contain;
  filter:
    drop-shadow(0 18px 42px rgba(0, 0, 0, 0.55))
    drop-shadow(0 0 30px rgba(188, 232, 255, 0.25));
}

#logo-intro .brand-sub {
  font-size: 0.66rem;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: rgba(230, 241, 255, 0.92);
  max-width: 96px;   /* same as logo width → forces 2-line wrap */
}

/* Hide the real nav logo while the intro overlay is animating */
body.intro-active #navbar .nav-logo {
  opacity: 0 !important;
  pointer-events: none;
}

.nav-logo {
  transition: opacity var(--t-mid), transform var(--t-mid);
}

/* ---- Section headers ---- */
.section-eyebrow {
  display: inline-block;
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 3.5px;
  text-transform: uppercase;
  color: var(--accent-green);
  margin-bottom: 0.6rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--fs-heading);
  color: var(--text-primary);
  letter-spacing: 1.5px;
  line-height: 1.05;
}

.section-title .highlight {
  color: var(--accent-green);
}

.section-subtitle {
  font-size: var(--fs-subheading);
  color: var(--text-secondary);
  max-width: 600px;
  margin-top: 0.8rem;
  line-height: 1.6;
}

.accent-line {
  width: 0;
  height: 3px;
  background: var(--gradient-accent);
  border-radius: 2px;
  margin: 1.4rem 0 2rem;
  animation: lineExpand 0.8s var(--ease-out-expo) 0.3s forwards;
}

.section-header {
  margin-bottom: 3.5rem;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  line-height: 1;
  transition: all var(--t-mid);
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: 0 10px 30px rgba(77, 166, 255, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 16px 40px rgba(77, 166, 255, 0.35);
  transform: translateY(-2px);
}

.btn-outline {
  border-color: var(--glass-border);
  color: var(--text-primary);
  background: var(--glass-white);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
}

.btn-outline:hover {
  background: var(--gradient-glass);
  border-color: var(--accent-green-border);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.glass-card {
  background: var(--glass-white);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  box-shadow: var(--shadow-card);
}

.premium-btn {
  padding: 1rem 2rem;
  border-radius: var(--radius-pill);
  border: none;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--t-mid);
}

.premium-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(77, 166, 255, 0.35);
}

.btn-icon {
  font-size: 1.1em;
  transition: transform var(--t-fast);
}

.btn:hover .btn-icon {
  transform: translateX(4px);
}

/* ---- Tags / Badges ---- */
.tag {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  border: 1px solid var(--accent-green-border);
  color: var(--accent-green);
  background: var(--accent-green-dim);
}

.tag.cyan {
  border-color: var(--accent-cyan-border);
  color: var(--accent-cyan);
  background: var(--accent-cyan-dim);
}

/* ===========================================
   NAVIGATION
=========================================== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--container-pad);
  transition:
    background var(--t-mid),
    box-shadow var(--t-mid),
    backdrop-filter var(--t-mid);
}

#navbar.scrolled {
  background: rgba(11, 11, 15, 0.8);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 1px 0 rgba(77, 166, 255, 0.2), 0 18px 40px rgba(0, 0, 0, 0.4);
}

.nav-logo {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  color: var(--text-primary);
  line-height: 1;
  position: relative;
  transform: translateY(1rem);
  transition: transform var(--t-mid);
}

#navbar.scrolled .nav-logo {
  transform: translateY(0.65rem);
}

.brand-logo {
  width: 96px;
  height: 96px;
  object-fit: contain;
  border: none;
  background: transparent;
  padding: 0;
  display: block;
  filter: drop-shadow(0 10px 22px rgba(0, 0, 0, 0.35));
}

.brand-name {
  display: none;
}

.brand-sub {
  font-size: 0.58rem;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-align: center;
  max-width: 140px;
  line-height: 1.3;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.nav-menu a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  transition: color var(--t-fast);
  position: relative;
  padding-bottom: 2px;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--gradient-accent);
  transition: width var(--t-mid);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--text-primary);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2.35rem;
  padding: 0 1.3rem;
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius-pill);
  color: var(--text-primary) !important;
  font-weight: 600 !important;
  font-size: 0.88rem !important;
  line-height: 1.2;
  transition: all var(--t-fast) !important;
  background: rgba(255, 255, 255, 0.11);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
}

.nav-cta:hover {
  background: var(--gradient-glass);
  border-color: var(--accent-green-border);
  box-shadow: 0 0 20px rgba(77, 166, 255, 0.2);
}

.nav-cta::after {
  display: none !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  z-index: calc(var(--z-nav) + 1);
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--t-mid);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ===========================================
   INTRO STAGE
=========================================== */
#intro-stage {
  position: relative;
  /* Exact height = logo-intro scroll range so hero lands at viewport top when animation completes */
  height: calc(var(--logo-intro-range) * 1px);
  overflow: hidden;
  isolation: isolate;
}

/* ===========================================
   HERO
=========================================== */
#hero {
  position: relative;
  height: 100vh;
  min-height: 620px;
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}

#hero::before,
#hero::after,
#intro-stage::before,
#intro-stage::after {
  content: '';
  position: absolute;
  inset: -12%;
  pointer-events: none;
  z-index: 0;
}

#hero::before,
#intro-stage::before {
  width: 2px;
  height: 2px;
  background: rgba(255, 255, 255, 1);
  border-radius: 50%;
  filter: drop-shadow(0 0 6px rgba(170, 220, 255, 0.7));
  box-shadow:
    5vw 12vh 0 0 rgba(255, 255, 255, 0.98),
    14vw 34vh 0 0 rgba(188, 232, 255, 0.92),
    22vw 18vh 0 0 rgba(255, 255, 255, 0.99),
    31vw 52vh 0 0 rgba(220, 244, 255, 0.93),
    40vw 15vh 0 0 rgba(255, 255, 255, 0.9),
    49vw 39vh 0 0 rgba(255, 255, 255, 0.97),
    58vw 24vh 0 0 rgba(188, 232, 255, 0.91),
    67vw 46vh 0 0 rgba(255, 255, 255, 0.97),
    76vw 19vh 0 0 rgba(211, 240, 255, 0.93),
    85vw 56vh 0 0 rgba(255, 255, 255, 0.97),
    93vw 30vh 0 0 rgba(190, 233, 255, 0.9),
    11vw 67vh 0 0 rgba(255, 255, 255, 0.93),
    27vw 74vh 0 0 rgba(199, 236, 255, 0.89),
    42vw 69vh 0 0 rgba(255, 255, 255, 0.95),
    60vw 77vh 0 0 rgba(224, 245, 255, 0.94),
    74vw 66vh 0 0 rgba(255, 255, 255, 0.98),
    88vw 73vh 0 0 rgba(199, 236, 255, 0.91),
    97vw 62vh 0 0 rgba(255, 255, 255, 0.94);
  animation: starTwinkle 6.5s ease-in-out infinite;
}

#hero::after,
#intro-stage::after {
  width: 1.5px;
  height: 1.5px;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  opacity: 0.8;
  filter: drop-shadow(0 0 4px rgba(170, 220, 255, 0.56));
  box-shadow:
    3vw 22vh 0 0 rgba(255, 255, 255, 0.9),
    9vw 45vh 0 0 rgba(184, 231, 255, 0.84),
    17vw 60vh 0 0 rgba(255, 255, 255, 0.86),
    24vw 8vh 0 0 rgba(205, 239, 255, 0.84),
    29vw 28vh 0 0 rgba(255, 255, 255, 0.9),
    36vw 40vh 0 0 rgba(186, 232, 255, 0.82),
    44vw 57vh 0 0 rgba(255, 255, 255, 0.88),
    51vw 11vh 0 0 rgba(212, 243, 255, 0.8),
    56vw 34vh 0 0 rgba(255, 255, 255, 0.86),
    63vw 51vh 0 0 rgba(192, 235, 255, 0.83),
    71vw 9vh 0 0 rgba(255, 255, 255, 0.89),
    79vw 38vh 0 0 rgba(201, 238, 255, 0.84),
    82vw 63vh 0 0 rgba(255, 255, 255, 0.86),
    90vw 17vh 0 0 rgba(188, 232, 255, 0.8),
    95vw 48vh 0 0 rgba(255, 255, 255, 0.88),
    99vw 70vh 0 0 rgba(204, 239, 255, 0.83);
  animation:
    starTwinkle 9.2s ease-in-out 1.4s infinite,
    starDrift 18s ease-in-out infinite;
}

.hero-bg {
  position: absolute;
  inset: -25% 0 -25%;
  background: url('../assets/images/hero-bg.jpg') center / cover no-repeat;
  filter: brightness(0.42) saturate(1.05);
  will-change: transform;
  z-index: var(--z-below);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 8%, rgba(117, 186, 255, 0.22), transparent 36%),
    radial-gradient(circle at 82% 26%, rgba(255, 255, 255, 0.08), transparent 42%),
    linear-gradient(180deg, rgba(4, 9, 23, 0.5) 0%, rgba(8, 13, 28, 0.86) 58%, rgba(10, 12, 20, 0.96) 100%);
  z-index: 0;
}

/* Decorative animated gradient orbs */
.hero-overlay::before {
  content: '';
  position: absolute;
  top: 20%;
  right: 10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(77, 166, 255, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 7s ease-in-out infinite;
}

.hero-overlay::after {
  content: '';
  position: absolute;
  bottom: 15%;
  left: 8%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 79, 216, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 9s ease-in-out 2s infinite;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  /* Revealed by JS removing body.intro-active once the logo is fully docked */
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}

body.intro-active .hero-content {
  opacity: 0;
  transform: translateY(22px);
  pointer-events: none;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.1rem;
  animation: fadeInDown 0.7s var(--ease-out-expo) 0.1s both;
}

.hero-eyebrow-line {
  width: 40px;
  height: 1.5px;
  background: var(--accent-green);
  border-radius: 2px;
}

.hero-eyebrow-text {
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent-green);
}

.hero-headline {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  line-height: 0.94;
  letter-spacing: 0.45px;
  color: var(--text-primary);
  margin-bottom: 1.35rem;
  animation: heroTextReveal 0.8s var(--ease-out-expo) 0.25s both;
}

.hero-headline .line-accent {
  display: block;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--accent-green);
}

.hero-subline {
  font-size: var(--fs-subheading);
  color: var(--text-secondary);
  max-width: 580px;
  line-height: 1.62;
  margin-bottom: 2.15rem;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.45s both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.6s both;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: scrollBounce 2.2s ease-in-out infinite;
  z-index: 1;
  transition: opacity 0.5s var(--ease-out-expo);
}

/* Scroll hint is meaningful only during the intro; hide it once the hero is revealed */
body:not(.intro-active) .scroll-indicator {
  opacity: 0;
  pointer-events: none;
}

.scroll-indicator-arrow {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, transparent, var(--accent-green));
  border-radius: 1px;
}

/* ===========================================
   ABOUT
=========================================== */
#about {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

#about::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--gradient-accent);
  opacity: 0.3;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 5rem;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-image-frame {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/5;
}

.about-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out-expo);
}

.about-image-frame:hover img {
  transform: scale(1.04);
}

/* Neon corner accent */
.about-image-frame::before {
  content: '';
  position: absolute;
  top: -2px; left: -2px;
  right: -2px; bottom: -2px;
  border-radius: var(--radius-md);
  background: var(--gradient-accent);
  z-index: -1;
  opacity: 0.5;
}

.about-image-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7,13,26,0.55) 0%, transparent 50%);
  pointer-events: none;
}

/* Stats overlay */
.about-stats {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  z-index: 2;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.3rem;
  text-align: center;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-card);
  min-width: 110px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1;
  color: var(--accent-green);
  letter-spacing: 1px;
}

.stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 0.2rem;
}

/* About text side */
.about-text .section-subtitle {
  max-width: 100%;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.8rem 0;
}

.about-bio {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.2rem;
}

.about-actions {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ===========================================
   SERVICES
=========================================== */
#services {
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

/* Faint grid background */
#services::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-cards);
}

.service-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  transition:
    transform var(--t-mid),
    border-color var(--t-mid),
    box-shadow var(--t-mid),
    background var(--t-mid);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-mid);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-green-border);
  box-shadow: var(--shadow-card-hover), 0 0 30px rgba(77, 166, 255, 0.1);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.04));
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--accent-green-dim);
  border: 1px solid var(--accent-green-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: box-shadow var(--t-mid);
}

.service-card:hover .service-icon {
  box-shadow: var(--accent-green-glow);
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 1px;
  color: var(--text-primary);
}

.service-desc {
  color: var(--text-secondary);
  font-size: 0.94rem;
  line-height: 1.72;
  flex: 1;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.service-feature {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.83rem;
  color: var(--text-muted);
}

.service-feature::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
  flex-shrink: 0;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--accent-green);
  margin-top: 0.5rem;
  transition: gap var(--t-fast);
}

.service-link:hover {
  gap: 0.7rem;
}

/* ===========================================
   PORTFOLIO / GALLERY
=========================================== */
#portfolio {
  background: var(--bg-secondary);
  overflow: hidden;
  position: relative;
}

.portfolio-bg-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: 22vw;
  color: rgba(255,255,255,0.018);
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  letter-spacing: 10px;
}

/* Filter tabs */
.portfolio-filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.55rem 1.4rem;
  border-radius: var(--radius-pill);
  font-size: 0.83rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: var(--text-muted);
  border: 1px solid var(--border-card);
  background: transparent;
  transition: all var(--t-fast);
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.2);
}

.filter-btn.active {
  background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
  color: var(--text-primary);
  border-color: var(--accent-green-border);
  box-shadow: 0 10px 24px rgba(77, 166, 255, 0.3);
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 280px;
  grid-auto-flow: dense;
  gap: 0.75rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    opacity var(--t-mid),
    transform var(--t-mid);
}

.gallery-item.span-2 {
  grid-column: span 2;
}

.gallery-item.span-row-2 {
  grid-row: span 2;
}

.gallery-item.hidden {
  display: none;
}

.gallery-item img,
.gallery-item .item-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out-expo);
  display: block;
}

.gallery-item:hover img,
.gallery-item:hover .item-thumb {
  transform: scale(1.07);
}

/* Overlay */
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-card);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity var(--t-mid);
}

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

.gallery-overlay-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.5px;
  color: var(--text-primary);
  line-height: 1.2;
}

.gallery-overlay-sub {
  font-size: 0.78rem;
  color: var(--accent-green);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 0.3rem;
}

.gallery-overlay-arrow {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-size: 1rem;
  transform: scale(0.7) rotate(-45deg);
  transition: transform var(--t-mid);
}

.gallery-item:hover .gallery-overlay-arrow {
  transform: scale(1) rotate(0deg);
}

/* Video item specific */
.gallery-item[data-category="video"] {
  cursor: pointer;
}

.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.85);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border: 1.5px solid rgba(255,255,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.3rem;
  transition: all var(--t-mid);
  z-index: 2;
}

.gallery-item:hover .video-play-btn {
  transform: translate(-50%, -50%) scale(1);
  background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
  border-color: var(--accent-green);
  color: var(--text-primary);
  box-shadow: var(--accent-green-glow);
}

/* Category label */
.item-category-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  background: rgba(7,13,26,0.75);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-card);
  color: var(--text-secondary);
  z-index: 3;
}

/* ===========================================
   LIGHTBOX MODAL
=========================================== */
#lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(4, 8, 16, 0.96);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-mid);
}

#lightbox.open {
  opacity: 1;
  pointer-events: all;
}

.lb-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.lb-img {
  max-width: 100%;
  max-height: 78vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 24px 80px rgba(0,0,0,0.8);
  transition: opacity 0.18s ease;
}

.lb-caption {
  color: var(--text-secondary);
  font-size: 0.88rem;
  letter-spacing: 0.5px;
  text-align: center;
}

.lb-close {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text-primary);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-fast);
}

.lb-close:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--accent-green-border);
  color: var(--accent-green);
}

.lb-prev,
.lb-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text-primary);
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-fast);
}

.lb-prev { left: 1.5rem; }
.lb-next { right: 1.5rem; }

.lb-prev:hover,
.lb-next:hover {
  background: var(--accent-green-dim);
  border-color: var(--accent-green-border);
  color: var(--accent-green);
}

/* Prevent body scroll when lightbox or modal is open */
body.lb-open,
body.modal-open {
  overflow: hidden;
}

/* ===========================================
   VIDEO MODAL DIALOG
=========================================== */
#video-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  border: none;
  background: transparent;
  padding: 0;
  margin: auto;
  max-width: 100vw;
  max-height: 100vh;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

#video-modal::backdrop {
  background: rgba(4, 8, 16, 0.94);
  backdrop-filter: blur(10px);
}

/* dialog open state (managed by JS .showModal()) */
#video-modal:not([open]) {
  display: none;
}

.vm-inner {
  position: relative;
  width: min(90vw, 1040px);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 40px 100px rgba(0,0,0,0.8);
  animation: scaleIn 0.35s var(--ease-out-expo);
}

.vm-video-wrapper {
  position: relative;
  padding-top: 56.25%; /* 16:9 */
  background: #000;
}

.vm-video-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.vm-info {
  padding: 1.2rem 1.8rem 1.6rem;
}

.vm-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 1px;
  color: var(--text-primary);
}

.vm-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: 0.3rem;
}

.vm-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text-primary);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all var(--t-fast);
}

.vm-close:hover {
  background: rgba(255,255,255,0.12);
  color: var(--accent-green);
  border-color: var(--accent-green-border);
}

/* ===========================================
   BLOG PREVIEW
=========================================== */
#blog {
  background: var(--bg-primary);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-cards);
}

.blog-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition:
    transform var(--t-mid),
    box-shadow var(--t-mid),
    border-color var(--t-mid);
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-subtle);
}

.blog-thumb-wrapper {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.blog-thumb-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out-expo);
}

.blog-card:hover .blog-thumb-wrapper img {
  transform: scale(1.06);
}

.blog-category {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
  color: var(--text-primary);
}

.blog-body {
  padding: 1.5rem;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 0.8rem;
}

.blog-meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-muted);
}

.blog-title {
  font-family: var(--font-display);
  font-size: 1.32rem;
  letter-spacing: 0.45px;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  transition: color var(--t-fast);
}

.blog-card:hover .blog-title {
  color: var(--accent-green);
}

.blog-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.68;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-green);
  margin-top: 1rem;
  transition: gap var(--t-fast);
}

.blog-read-more:hover {
  gap: 0.65rem;
}

.blog-footer {
  text-align: center;
  margin-top: 3rem;
}

/* ===========================================
   CONTACT
=========================================== */
#contact {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

#contact::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: var(--gradient-accent);
  opacity: 0.2;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}

/* Contact info side */
.contact-info-item {
  display: flex;
  gap: 1rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.contact-info-item:last-of-type {
  border-bottom: none;
}

.contact-info-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--accent-green-dim);
  border: 1px solid var(--accent-green-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  color: var(--accent-green);
}

.contact-info-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.contact-info-value {
  font-size: 0.93rem;
  color: var(--text-secondary);
}

.contact-info-value a {
  transition: color var(--t-fast);
}

.contact-info-value a:hover {
  color: var(--accent-green);
}

.contact-socials {
  display: flex;
  gap: 0.75rem;
  margin-top: 2rem;
}

.social-link {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1rem;
  transition: all var(--t-fast);
}

.social-link:hover {
  color: var(--accent-green);
  border-color: var(--accent-green-border);
  background: var(--accent-green-dim);
  box-shadow: 0 0 14px rgba(77, 166, 255, 0.2);
}

/* Form side */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  position: relative;
}

.form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.1rem;
  color: var(--text-primary);
  font-size: 0.93rem;
  transition:
    border-color var(--t-fast),
    box-shadow var(--t-fast);
  outline: none;
}

.form-group select {
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' viewBox='0 0 12 7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236e7e90' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-group select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-green-border);
  box-shadow: 0 0 0 3px rgba(77, 166, 255, 0.12), 0 0 14px rgba(77, 166, 255, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: rgba(255, 80, 80, 0.6);
}

.field-error {
  font-size: 0.76rem;
  color: #ff6060;
}

.form-group.has-success input,
.form-group.has-success select,
.form-group.has-success textarea {
  border-color: var(--accent-green-border);
}

.btn-submit {
  padding: 1rem 2rem;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.93rem;
  letter-spacing: 0.5px;
  border-radius: var(--radius-md);
  transition: all var(--t-mid);
  box-shadow: 0 10px 30px rgba(77, 166, 255, 0.35);
  margin-top: 0.4rem;
}

.btn-submit:hover {
  box-shadow: 0 16px 40px rgba(77, 166, 255, 0.35);
  transform: translateY(-2px);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.form-success {
  background: var(--accent-green-dim);
  border: 1px solid var(--accent-green-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  color: var(--accent-green);
  font-size: 0.9rem;
  font-weight: 500;
  display: none;
}

.form-success.visible {
  display: block;
  animation: fadeInUp 0.4s var(--ease-out-expo);
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.nav-cta:focus-visible,
.filter-btn:focus-visible,
.cat-btn:focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: 3px;
}

/* ===========================================
   FOOTER
=========================================== */
footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .nav-logo {
  margin-bottom: 1rem;
  display: inline-flex;
  transform: none;
}

.footer-brand .brand-logo {
  width: 72px;
  height: 72px;
  filter: none;
}

.footer-brand .brand-sub {
  max-width: 160px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 260px;
}

.footer-socials {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.2rem;
}

.footer-col-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 1.1rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color var(--t-fast);
}

.footer-links a:hover {
  color: var(--accent-green);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-copyright {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a {
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: color var(--t-fast);
}

.footer-bottom-links a:hover {
  color: var(--accent-green);
}