/* ═══════════════════════════════════════════════════════════
   LUMINARY — styles.css
   Design System: Futuristic / Premium Tech / Cinematic
   Fonts: Syne (display) + DM Sans (body)
   Theme: Deep space dark blue + neon cyan/blue accents
═══════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────
   1. CSS VARIABLES & RESET
───────────────────────────────────────── */
:root {
  /* Colors */
  --bg-deep:      #050816;
  --bg-mid:       #0a0f2c;
  --bg-upper:     #0f1b4d;
  --accent-cyan:  #7df9ff;
  --accent-blue:  #4a9eff;
  --accent-glow:  rgba(125, 249, 255, 0.18);
  --accent-glow-strong: rgba(125, 249, 255, 0.35);
  --white:        #ffffff;
  --white-80:     rgba(255, 255, 255, 0.80);
  --white-50:     rgba(255, 255, 255, 0.50);
  --white-20:     rgba(255, 255, 255, 0.20);
  --white-08:     rgba(255, 255, 255, 0.08);
  --white-04:     rgba(255, 255, 255, 0.04);

  /* Gradient */
  --grad-accent:  linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  --grad-bg:      linear-gradient(160deg, var(--bg-mid) 0%, var(--bg-upper) 40%, var(--bg-deep) 100%);

  /* Typography */
  --font-display: 'Montserrat', sans-serif;
  --font-body:    'Montserrat', sans-serif;

  /* Spacing */
  --section-px:  clamp(20px, 5vw, 80px);
  --section-py:  clamp(60px, 8vw, 120px);

  /* Border radius */
  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  /* Transition */
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  /* Slider — compact for dual-slider section */
  --slide-w-desktop: 175px;
  --slide-w-tablet:  150px;
  --slide-w-mobile:  130px;
  --slide-gap:       14px;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

html {
  /* Dark fallback while canvas initialises */
  background: #020810;
}

body {
  font-family: var(--font-body);
  background: transparent; /* ocean canvas provides bg */
  color: var(--white);
  overflow-x: hidden;
  cursor: none; /* replaced by custom cursor */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  display: block;
  max-width: 100%;
}

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

/* ─────────────────────────────────────────
   2. CUSTOM CURSOR — 3-layer crosshair
   Layer 1: dot      (instant, ~4px, exact)
   Layer 2: cross    (0.22 lerp, thin lines)
   Layer 3: reticle  (0.09 lerp, bracket corners + velocity stretch)
───────────────────────────────────────── */

/* ── Layer 1: precise dot ── */
.cursor-dot {
  position: fixed;
  top: 0; left: 0;
  width: 5px;
  height: 5px;
  background: var(--white);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s, width 0.2s, height 0.2s;
  box-shadow:
    0 0 6px  rgba(125, 249, 255, 0.9),
    0 0 14px rgba(125, 249, 255, 0.5);
  mix-blend-mode: screen;
}

/* ── Layer 2: crosshair lines ── */
.cursor-cross {
  position: fixed;
  top: 0; left: 0;
  width: 20px;
  height: 20px;
  pointer-events: none;
  z-index: 9997;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
}

/* Horizontal arm */
.cursor-cross::before,
.cursor-cross::after {
  content: '';
  position: absolute;
  background: rgba(125, 249, 255, 0.7);
  border-radius: 1px;
  top: 50%;
  left: 50%;
}

.cursor-cross::before {
  /* horizontal */
  width: 18px;
  height: 1px;
  transform: translate(-50%, -50%);
}

.cursor-cross::after {
  /* vertical */
  width: 1px;
  height: 18px;
  transform: translate(-50%, -50%);
}

/* ── Layer 3: outer reticle (4 corner brackets) ── */
.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  width: 46px;
  height: 46px;
  pointer-events: none;
  z-index: 9996;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s, width 0.25s, height 0.25s;
  /* will-change applied by JS */
}

/* Four corner brackets drawn with box-shadow cuts */
.cursor-ring::before,
.cursor-ring::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  border-color: rgba(125, 249, 255, 0.75);
  border-style: solid;
  transition: border-color 0.25s, width 0.2s, height 0.2s;
}

/* Top-left bracket */
.cursor-ring::before {
  top: 0; left: 0;
  border-width: 1.5px 0 0 1.5px;
  border-radius: 1px 0 0 0;
}

/* Bottom-right bracket */
.cursor-ring::after {
  bottom: 0; right: 0;
  border-width: 0 1.5px 1.5px 0;
  border-radius: 0 0 1px 0;
}

/* Extra two corners via child pseudo-divs added by JS */
.cursor-ring-tl,
.cursor-ring-tr,
.cursor-ring-bl,
.cursor-ring-br {
  position: absolute;
  width: 10px;
  height: 10px;
  border-color: rgba(125, 249, 255, 0.75);
  border-style: solid;
  pointer-events: none;
  transition: border-color 0.25s, width 0.2s, height 0.2s;
}

.cursor-ring-tr {
  top: 0; right: 0;
  border-width: 1.5px 1.5px 0 0;
  border-radius: 0 1px 0 0;
}

.cursor-ring-bl {
  bottom: 0; left: 0;
  border-width: 0 0 1.5px 1.5px;
  border-radius: 0 0 0 1px;
}

/* Hover state — all layers react */
.cursor-dot.cursor-hover {
  width: 7px;
  height: 7px;
  background: var(--accent-cyan);
}

.cursor-ring.cursor-hover,
.cursor-ring.cursor-hover::before,
.cursor-ring.cursor-hover::after,
.cursor-ring.cursor-hover .cursor-ring-tr,
.cursor-ring.cursor-hover .cursor-ring-bl {
  border-color: var(--accent-cyan);
  width: 13px;
  height: 13px;
}

.cursor-ring.cursor-hover {
  box-shadow: 0 0 20px rgba(125, 249, 255, 0.15);
}

/* ─────────────────────────────────────────
   3. UTILITY CLASSES
───────────────────────────────────────── */
.gradient-text {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

/* Scroll reveal base states */
[data-reveal] {
  opacity: 0;
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

[data-reveal="fade-up"]    { transform: translateY(40px); }
[data-reveal="slide-left"] { transform: translateX(-50px); }
[data-reveal="slide-right"]{ transform: translateX(50px); }
[data-reveal="scale-in"]   { transform: scale(0.92); }

[data-reveal].revealed {
  opacity: 1;
  transform: none;
}

/* ─────────────────────────────────────────
   4. HEADER
───────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 0 var(--section-px);
  transition: background 0.4s var(--ease-out),
              backdrop-filter 0.4s,
              box-shadow 0.4s,
              padding 0.3s;
}

.site-header.scrolled {
  background: rgba(5, 8, 22, 0.72);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  box-shadow: 0 1px 0 rgba(125, 249, 255, 0.12),
              0 8px 32px rgba(0, 0, 0, 0.5);
  padding-top: 4px;
  padding-bottom: 4px;
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  transition: opacity 0.2s;
}

.logo:hover { opacity: 0.85; }

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 0 8px rgba(125, 249, 255, 0.55));
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--white);
}

/* Desktop nav */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.5vw, 36px);
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--white-80);
  letter-spacing: 0.03em;
  position: relative;
  transition: color 0.2s;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--grad-accent);
  transition: width 0.3s var(--ease-out);
}

.nav-link:hover {
  color: var(--white);
}

.nav-link:hover::after { width: 100%; }

.nav-cta {
  padding: 8px 20px;
  border: 1px solid rgba(125, 249, 255, 0.35);
  border-radius: 100px;
  color: var(--accent-cyan);
  background: rgba(125, 249, 255, 0.06);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: background 0.25s, border-color 0.25s, box-shadow 0.25s, color 0.25s;
}

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

.nav-cta:hover {
  background: rgba(125, 249, 255, 0.14);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(125, 249, 255, 0.25);
  color: var(--white);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: none;
  padding: 6px;
  z-index: 1010;
}

.ham-line {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--white-80);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out), opacity 0.3s, background 0.3s;
}

.hamburger.open .ham-line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.hamburger.open .ham-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.open .ham-line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile nav panel */
.nav-mobile {
  position: fixed;
  top: 0;
  right: -100%;
  width: min(320px, 85vw);
  height: 100dvh;
  background: rgba(5, 8, 22, 0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-left: 1px solid rgba(125, 249, 255, 0.1);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 40px 32px;
  transition: right 0.45s var(--ease-out);
  z-index: 999;
}

.nav-mobile.open { right: 0; }

.mob-link {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--white-50);
  transition: color 0.2s, transform 0.2s;
  display: block;
  padding: 4px 0;
}

.mob-link:hover {
  color: var(--white);
  transform: translateX(6px);
}

/* ─────────────────────────────────────────
   5. HERO SECTION
───────────────────────────────────────── */
.hero-section {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px var(--section-px) 60px;
}

/* ── Ocean canvas — fixed behind all content ── */
#oceanCanvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: -1;
  display: block;
}

/* Background layers */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.bg-layer {
  position: absolute;
  inset: 0;
  will-change: transform;
}

.bg-layer-1 {
  background: radial-gradient(ellipse 80% 60% at 50% -10%,
    rgba(74, 158, 255, 0.2) 0%,
    transparent 65%);
}

.bg-layer-2 {
  background: radial-gradient(ellipse 60% 50% at 80% 80%,
    rgba(125, 249, 255, 0.08) 0%,
    transparent 60%);
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.bg-orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(180, 230, 255, 0.07) 0%, transparent 70%);
  top: -20%;
  left: -10%;
  animation: orbFloat1 18s ease-in-out infinite;
}

.bg-orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(200, 240, 255, 0.05) 0%, transparent 70%);
  bottom: 0%;
  right: 5%;
  animation: orbFloat2 22s ease-in-out infinite;
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(40px, 30px) scale(1.1); }
}

@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(-30px, -40px) scale(0.9); }
}

/* Subtle grid overlay */
.bg-grid {
  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;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 80%);
}

/* Hero content */
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  max-width: 700px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .hero-section {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero-content {
    width: 100%;
    margin: 0 auto;
  }
}

.hero-tagline {
  padding-bottom: 10px;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(125, 249, 255, 0.1);
  border: 1px solid rgba(125, 249, 255, 0.25);
  border-radius: 100px;
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

.tag-pill::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

/* ── Hero dark vignette — ensures text is readable over bright ocean surface ── */
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 90% 70% at 50% 50%, rgba(2,8,22,0.38) 0%, transparent 70%),
    linear-gradient(180deg, rgba(2,6,18,0.55) 0%, rgba(2,8,22,0.15) 45%, transparent 100%);
  pointer-events: none;
}

/* ── Hero bottom gradient bridge — blends hero into slider section ── */
.hero-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 160px;
  background: linear-gradient(to bottom,
    transparent 0%,
    rgba(2, 8, 22, 0.25) 40%,
    rgba(2, 8, 22, 0.48) 100%);
  z-index: 1;
  pointer-events: none;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 8rem);
  font-weight: 800;
  white-space: nowrap;
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--white);
  align-items: center;
  text-shadow: 0 2px 30px rgba(0,0,0,0.5), 0 0 60px rgba(0,0,0,0.3);
}

.hero-title em {
  font-style: normal;
}

.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  font-weight: 300;
  color: var(--white-50);
  line-height: 1.7;
  letter-spacing: 0.01em;
  text-align: center;
}

.br-desktop { display: block; }

/* ─────────────────────────────────────────
   6. SLIDER SECTION
───────────────────────────────────────── */
.slider-section {
  position: relative;
  padding: 20px 0 16px;
  overflow: hidden;
  min-height: 80svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.slider-header {
  text-align: center;
  padding: 0 var(--section-px);
  margin-bottom: 16px;
}

.section-sub {
  margin-top: 10px;
  font-size: 0.9rem;
  color: var(--white-50);
  font-weight: 300;
  letter-spacing: 0.05em;
}

/* Viewport */
.slider-viewport {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding: 16px 0 20px;
  /* Touch action handled by JS */
}

/* Edge gradient fades */
.slider-fade {
  position: absolute;
  top: 0;
  bottom: 0;
  width: clamp(60px, 8vw, 120px);
  z-index: 3;
  pointer-events: none;
}

.slider-fade-left {
  left: 0;
  background: linear-gradient(to right, var(--bg-deep) 0%, transparent 100%);
}

.slider-fade-right {
  right: 0;
  background: linear-gradient(to left, var(--bg-deep) 0%, transparent 100%);
}

/* Navigation arrows */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--white-80);
  cursor: none;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background 0.25s, border-color 0.25s, box-shadow 0.25s, color 0.25s, transform 0.25s;
}

.slider-arrow:hover {
  background: rgba(125, 249, 255, 0.14);
  border-color: rgba(125, 249, 255, 0.5);
  color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(125, 249, 255, 0.3);
  transform: translateY(-50%) scale(1.08);
}

.slider-arrow-prev { left: clamp(12px, 2.5vw, 36px); }
.slider-arrow-next { right: clamp(12px, 2.5vw, 36px); }

/* Track */
.slider-track {
  display: flex;
  align-items: center;
  gap: var(--slide-gap);
  padding: 10px 0;
  will-change: transform;
  transition: transform 0.65s var(--ease-out);
  width: max-content;
  user-select: none;
}

/* Individual slide item */
.slide-item {
  flex-shrink: 0;
  width: var(--slide-w-desktop);
  /* 2:3 aspect ratio (portrait) */
  aspect-ratio: 2 / 3;
  transition: transform 0.5s var(--ease-out), opacity 0.5s var(--ease-out);
  cursor: none;
}

.slide-card {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1.5px solid rgba(255, 255, 255, 0.22);
  box-shadow:
    0 0 20px rgba(125, 249, 255, 0.08),
    0 12px 40px rgba(0, 0, 0, 0.5);
  position: relative;
  transition:
    box-shadow 0.4s var(--ease-out),
    border-color 0.4s,
    transform 0.4s var(--ease-out);
  will-change: transform;
  transform-style: preserve-3d;
}

.slide-card:hover {
  box-shadow:
    0 0 30px rgba(125, 249, 255, 0.25),
    0 0 60px rgba(125, 249, 255, 0.1),
    0 20px 60px rgba(0, 0, 0, 0.6);
  border-color: rgba(125, 249, 255, 0.5);
  transform: translateY(-8px) scale(1.02);
}

.slide-inner {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.slide-inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s var(--ease-out);
  pointer-events: none;
}

.slide-card:hover .slide-inner img {
  transform: scale(1.06);
}

.slide-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 28px 16px 16px;
  background: linear-gradient(transparent, rgba(5, 8, 22, 0.85));
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.35s, transform 0.35s;
}

.slide-card:hover .slide-overlay {
  opacity: 1;
  transform: translateY(0);
}

.slide-label {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

/* Center-scaling: applied via JS as data attributes */
.slide-item[data-pos="center"] {
  transform: scale(1.14);
  z-index: 4;
}
.slide-item[data-pos="center"] .slide-card {
  box-shadow:
    0 0 40px rgba(125, 249, 255, 0.2),
    0 20px 70px rgba(0, 0, 0, 0.6);
  border-color: rgba(125, 249, 255, 0.4);
}

.slide-item[data-pos="near"] {
  transform: scale(1.05);
  z-index: 3;
}

.slide-item[data-pos="far"] {
  transform: scale(0.93);
  opacity: 0.75;
  z-index: 2;
}

.slide-item[data-pos="edge"] {
  transform: scale(0.86);
  opacity: 0.5;
  z-index: 1;
}

/* Dots */
.slider-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
  margin-bottom: 8px;
}

.slider-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  cursor: none;
  transition: width 0.3s var(--ease-out), background 0.3s, box-shadow 0.3s;
}

.slider-dot.active {
  width: 24px;
  border-radius: 3px;
  background: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
}

/* ─────────────────────────────────────────
   7. DUAL BOX SECTION
───────────────────────────────────────── */
.dual-section {
  padding: var(--section-py) var(--section-px);
}

.dual-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(16px, 2.5vw, 28px);
}

.dual-box {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s, border-color 0.4s;
  cursor: none;
  aspect-ratio: 1 / 1;
}

.dual-box:hover {
  transform: translateY(-10px) scale(1.015);
  box-shadow: 0 0 40px rgba(125, 249, 255, 0.2), 0 24px 60px rgba(0,0,0,0.5);
  border-color: rgba(125, 249, 255, 0.35);
}

/* Inner glow blob on hover */
.dual-box-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(125, 249, 255, 0.1) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}

.dual-box:hover .dual-box-glow { opacity: 1; }

.dual-box-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  height: 100%;
  padding: clamp(24px, 4vw, 44px);
  gap: 14px;
}

.dual-icon {
  filter: drop-shadow(0 0 10px rgba(125, 249, 255, 0.5));
  margin-bottom: 4px;
}

.dual-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
}

.dual-desc {
  font-size: clamp(0.85rem, 1.1vw, 0.95rem);
  color: var(--white-50);
  line-height: 1.7;
  font-weight: 300;
  max-width: 340px;
}

.dual-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-cyan);
  letter-spacing: 0.04em;
  transition: gap 0.25s, opacity 0.2s;
}

.dual-link:hover {
  gap: 14px;
  opacity: 0.85;
}

/* ─────────────────────────────────────────
   8. ABOUT SECTION
───────────────────────────────────────── */
.about-section {
  position: relative;
  padding: var(--section-py) var(--section-px);
  overflow: hidden;
}

.about-bg-orb {
  position: absolute;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(74, 158, 255, 0.05) 0%, transparent 60%);
  filter: blur(60px);
  top: 50%;
  left: -200px;
  transform: translateY(-50%);
  pointer-events: none;
}

.about-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.about-eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

.about-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.5vw, 2rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.025em;
}

.about-body {
  font-size: clamp(0.9rem, 1.1vw, 1rem);
  color: var(--white-50);
  line-height: 1.8;
  font-weight: 300;
}

.about-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 8px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--white-50);
  font-weight: 400;
  letter-spacing: 0.04em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.12);
  flex-shrink: 0;
}

/* About image */
.about-image-wrap {
  position: relative;
}

.about-image-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1.5px solid rgba(255,255,255,0.15);
  box-shadow:
    0 0 40px rgba(74, 158, 255, 0.15),
    0 30px 80px rgba(0,0,0,0.6);
  will-change: transform;
  aspect-ratio: 4 / 5;
}

.about-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease-out);
}

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

.about-img-badge {
  position: absolute;
  bottom: 20px;
  right: 20px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(5, 8, 22, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(125, 249, 255, 0.3);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  line-height: 1.1;
}

.badge-line1 {
  font-size: 0.6rem;
  font-weight: 400;
  color: var(--accent-cyan);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.badge-line2 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  color: var(--white);
}

/* Floating card */
.about-float-card {
  position: absolute;
  left: -24px;
  top: 40px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  background: rgba(10, 15, 44, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(125, 249, 255, 0.2);
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--white-80);
  white-space: nowrap;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 20px rgba(125,249,255,0.1);
}

.float-anim {
  animation: floatCard 4s ease-in-out infinite;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-10px); }
}

/* ─────────────────────────────────────────
   9. FOOTER
───────────────────────────────────────── */
.site-footer {
  position: relative;
  background: linear-gradient(180deg, rgba(5, 8, 22, 0) 0%, #02040e 100%);
  padding: 0 var(--section-px);
}

.footer-glow-line {
  width: 100%;
  height: 1px;
  background: linear-gradient(to right,
    transparent 0%,
    rgba(125, 249, 255, 0.35) 30%,
    rgba(74, 158, 255, 0.35) 70%,
    transparent 100%);
  margin-bottom: clamp(40px, 6vw, 64px);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: clamp(40px, 5vw, 56px);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 240px;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--white-50);
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.02em;
}

.footer-links {
  display: flex;
  gap: clamp(24px, 4vw, 64px);
  flex-wrap: wrap;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white-50);
  margin-bottom: 4px;
}

.footer-link {
  font-size: 0.88rem;
  color: var(--white-50);
  font-weight: 300;
  transition: color 0.2s, opacity 0.2s;
}

.footer-link:hover { color: var(--white); }

.footer-social {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 20px 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--white-50);
  font-weight: 300;
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white-20);
  font-size: 0.8rem;
}

.footer-link-small {
  font-size: 0.82rem;
  color: var(--white-50);
  transition: color 0.2s;
}

.footer-link-small:hover { color: var(--white); }

/* ─────────────────────────────────────────
   10. RESPONSIVE
───────────────────────────────────────── */

/* ─────────────────────────────────────────
   11. OCEAN SECTION OVERLAYS
   Semi-transparent dark veils over each section
   so ocean canvas bleeds through while keeping
   text perfectly readable.
───────────────────────────────────────── */

.slider-section {
  background: linear-gradient(180deg,
    rgba(2, 8, 22, 0.48) 0%,
    rgba(2, 8, 22, 0.48) 100%);
  backdrop-filter: none;
}

.dual-section {
  background: rgba(2, 7, 20, 0.50);
}

.about-section {
  background: rgba(2, 7, 20, 0.48);
}

/* Footer gets an opaque-ish ocean-floor tint */
.site-footer {
  background: rgba(2, 10, 16, 0.82);
  border-top: 1px solid rgba(20, 80, 60, 0.25);
}

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --slide-w-desktop: 148px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-image-wrap {
    max-width: 520px;
    margin: 0 auto;
  }

  .about-float-card {
    left: 0;
  }
}

/* Tablet medium */
@media (max-width: 860px) {
  :root {
    --slide-w-desktop: 130px;
  }

  .dual-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
  }

  .dual-box {
    aspect-ratio: unset;
    min-height: 320px;
  }
}

/* Mobile */
@media (max-width: 640px) {
  :root {
    --slide-w-desktop: var(--slide-w-mobile); /* 240px */
    --section-py: 56px;
    --section-px: 20px;
  }

  .nav-desktop { display: none; }
  .hamburger { display: flex; }

  .hero-title { font-size: clamp(2.4rem, 11vw, 3.5rem); }

  .br-desktop { display: none; }

  .hero-sub br { display: none; }

  .about-stats {
    flex-wrap: wrap;
    gap: 16px;
  }

  .about-float-card {
    left: 8px;
    top: 16px;
    font-size: 0.72rem;
    padding: 10px 14px;
  }

  .footer-inner {
    flex-direction: column;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .slider-arrow {
    display: none;
  }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ─────────────────────────────────────────
   LIGHTBOX — fullscreen image viewer
───────────────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 8000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease-out);
}

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

.lightbox-bg {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 18, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  cursor: pointer;
}

.lightbox-img-wrap {
  position: relative;
  z-index: 1;
  max-width: 92vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img-wrap img {
  max-width: 100%;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  box-shadow:
    0 0 0 1px rgba(125, 249, 255, 0.2),
    0 0 60px rgba(125, 249, 255, 0.15),
    0 30px 80px rgba(0, 0, 0, 0.7);
  object-fit: contain;
  transform: scale(0.92);
  transition: transform 0.4s var(--ease-out);
}

.lightbox.open .lightbox-img-wrap img {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  z-index: 2;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(10, 15, 44, 0.8);
  border: 1px solid rgba(125, 249, 255, 0.3);
  color: var(--white-80);
  font-size: 1.3rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.lightbox-close:hover {
  background: rgba(125, 249, 255, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.lightbox-label {
  position: absolute;
  bottom: -36px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  white-space: nowrap;
}

/* Cursor pointer for slide items */
.slide-item {
  cursor: pointer;
}

/* ─────────────────────────────────────────
   SLIDER 43 — auto-scroll landscape slider
───────────────────────────────────────── */
.s43-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 var(--section-px);
  margin: 4px 0 6px;
}

.s43-divider-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(125,249,255,0.25), transparent);
}

.s43-divider-label {
  padding-top: 10px;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(125, 249, 255, 0.55);
  white-space: nowrap;
  text-align: center;
  align-items: center;
}

.s43-outer {
  width: 100%;
  position: relative;
  overflow: hidden;
}

/* Edge fade masks */
.s43-outer::before,
.s43-outer::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  z-index: 10;
  pointer-events: none;
  width: clamp(50px, 7vw, 110px);
}

.s43-outer::before {
  left: 0;
  background: linear-gradient(to right, rgba(5,8,22,0.95) 0%, transparent 100%);
}

.s43-outer::after {
  right: 0;
  background: linear-gradient(to left, rgba(5,8,22,0.95) 0%, transparent 100%);
}

.s43-track {
  display: flex;
  gap: 10px;
  padding: 18px 10px 22px;
  width: max-content;
  will-change: transform;
}

.s43-card {
  --s43-card-w: clamp(140px, calc((100vw - 6 * 10px) / 5.2), 210px);
  --s43-card-h: calc(var(--s43-card-w) * 3 / 4);
  flex: 0 0 var(--s43-card-w);
  width: var(--s43-card-w);
  height: var(--s43-card-h);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transform-style: preserve-3d;
  transition: transform 0.45s cubic-bezier(0.23,1,0.32,1),
              box-shadow 0.45s cubic-bezier(0.23,1,0.32,1);
  box-shadow:
    0 4px 20px rgba(0,0,0,0.5),
    inset 0 0 0 1px rgba(255,255,255,0.07);
}

.s43-card:hover {
  transform: scale(1.07) translateY(-8px) rotateX(3deg);
  box-shadow:
    0 0 0 1.5px rgba(125,249,255,0.6),
    0 0 30px 4px rgba(125,249,255,0.2),
    0 0 70px 16px rgba(74,158,255,0.12),
    0 16px 50px rgba(0,0,0,0.6);
  z-index: 20;
}

.s43-card-img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.23,1,0.32,1);
}

.s43-card:hover .s43-card-img { transform: scale(1.08); }

.s43-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(160deg, transparent 40%, rgba(0,0,10,0.7) 100%);
  pointer-events: none;
}

.s43-card-label {
  position: absolute;
  bottom: 12px; left: 14px; right: 14px;
  font-family: var(--font-display);
  font-size: clamp(0.75rem, 1.3vw, 1.1rem);
  letter-spacing: 0.04em;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 2px 10px rgba(0,0,0,0.9);
  transform: translateY(4px);
  transition: transform 0.4s ease;
  pointer-events: none;
}

.s43-card:hover .s43-card-label { transform: translateY(0); }

.s43-card-num {
  position: absolute; top: 10px; right: 12px;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.35);
  pointer-events: none;
}

/* Controls bar */
.s43-controls {
  display: flex;
  justify-content: center;
  gap: 10px;
  align-items: center;
  padding: 0 var(--section-px) 0;
  margin-top: 4px;
}

.s43-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--white-80);
  font-size: 0.95rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.s43-btn:hover {
  background: rgba(125,249,255,0.12);
  border-color: rgba(125,249,255,0.5);
  box-shadow: 0 0 14px rgba(125,249,255,0.25);
  transform: scale(1.08);
}

.s43-pause-btn {
  width: auto;
  padding: 0 18px;
  border-radius: 40px;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-display);
  font-weight: 600;
}

.s43-pause-btn.active {
  background: rgba(125,249,255,0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.s43-speed-dots {
  display: flex; gap: 5px; align-items: center;
}

.s43-speed-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: rgba(255,255,255,0.18);
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.s43-speed-dot.active {
  background: var(--accent-cyan);
  transform: scale(1.3);
}

/* ─────────────────────────────────────────
   ABOUT SECTION ALT (image left, text right)
───────────────────────────────────────── */
.about-section-alt .about-grid {
  /* Same two columns but swap visual order */
}

.about-section-alt .about-image-wrap {
  order: -1;
}

.about-section-alt .about-image-frame {
  aspect-ratio: 4 / 3;
}

.about-section-alt .about-float-card {
  left: auto;
  right: -20px;
}

@media (max-width: 1024px) {
  .about-section-alt .about-float-card {
    right: 0;
    left: auto;
  }
}

@media (max-width: 640px) {
  .about-section-alt .about-float-card {
    right: 8px;
    left: auto;
  }
}