/* ============================================
   Russell's Story — Premium Agency Website
   Dark theme · Gold/amber accents · Glassmorphism
   ============================================ */

/* ---- CSS Custom Properties ---- */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a2e;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-glass: rgba(255, 255, 255, 0.05);
  --bg-glass-hover: rgba(255, 255, 255, 0.08);

  --gold-primary: #d4a853;
  --gold-light: #e8c97a;
  --gold-dark: #b8923f;
  --gold-glow: rgba(212, 168, 83, 0.3);
  --amber: #f5a623;
  --amber-glow: rgba(245, 166, 35, 0.2);

  --text-primary: #f5f5f7;
  --text-secondary: #a1a1aa;
  --text-tertiary: #71717a;
  --text-accent: var(--gold-light);

  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-gold: rgba(212, 168, 83, 0.2);

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;

  --transition-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --transition-elegant: cubic-bezier(0.4, 0, 0.2, 1);

  --max-width: 1280px;
  --nav-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

::selection {
  background: var(--gold-primary);
  color: var(--bg-primary);
}

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

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

/* ---- Custom Cursor ---- */
.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 10000;
  border-radius: 50%;
  mix-blend-mode: difference;
  transition: transform 0.15s var(--transition-smooth);
}

.cursor-dot {
  width: 8px;
  height: 8px;
  background: var(--gold-primary);
}

.cursor-ring {
  width: 40px;
  height: 40px;
  border: 1.5px solid var(--gold-primary);
  opacity: 0.5;
  transition: transform 0.3s var(--transition-smooth),
              width 0.3s var(--transition-smooth),
              height 0.3s var(--transition-smooth),
              opacity 0.3s var(--transition-smooth);
}

.cursor-ring.hover {
  width: 60px;
  height: 60px;
  opacity: 0.8;
  border-color: var(--gold-light);
}

@media (max-width: 768px) {
  .cursor-dot, .cursor-ring { display: none; }
}

/* ---- Loader ---- */
.loader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.8s var(--transition-smooth),
              visibility 0.8s var(--transition-smooth);
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-content {
  text-align: center;
}

.loader-ring {
  width: 60px;
  height: 60px;
  border: 2px solid var(--border-subtle);
  border-top-color: var(--gold-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 24px;
}

.loader-text {
  font-size: 0.875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: background 0.4s var(--transition-smooth),
              backdrop-filter 0.4s var(--transition-smooth),
              box-shadow 0.4s var(--transition-smooth);
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border-subtle);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--gold-primary);
  position: relative;
}

.nav-logo::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--gold-primary), transparent);
  transform: scaleX(0);
  transition: transform 0.3s var(--transition-smooth);
}

.nav-logo:hover::after {
  transform: scaleX(1);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  position: relative;
  transition: color 0.3s var(--transition-smooth);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--gold-primary);
  transition: width 0.3s var(--transition-smooth);
}

.nav-link:hover,
.nav-link.active {
  color: var(--gold-light);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: transform 0.3s var(--transition-smooth),
              opacity 0.3s var(--transition-smooth);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 100px 2rem 2rem;
    gap: 1.5rem;
    transition: right 0.4s var(--transition-smooth);
    border-left: 1px solid var(--border-subtle);
  }

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

/* ---- Container ---- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ---- Hero Section ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.4) saturate(0.8);
  transform: scale(1.05);
  transition: transform 10s ease;
}

.hero.loaded .hero-image {
  transform: scale(1);
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(212, 168, 83, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 80%, rgba(245, 166, 35, 0.08) 0%, transparent 50%),
    linear-gradient(180deg, rgba(10, 10, 15, 0.3) 0%, rgba(10, 10, 15, 0.6) 50%, var(--bg-primary) 100%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, transparent 30%, rgba(10, 10, 15, 0.7) 100%);
  z-index: 1;
}

.globe-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  z-index: 2;
  opacity: 0.6;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 900px;
  padding: 0 2rem;
}

.hero-eyebrow {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-primary);
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s var(--transition-smooth) 0.5s forwards;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: 2.5rem;
}

.title-line {
  display: block;
  opacity: 0;
  transform: translateY(40px);
  animation: fadeUp 1s var(--transition-smooth) forwards;
}

.title-line:nth-child(1) { animation-delay: 0.7s; }
.title-line:nth-child(2) { animation-delay: 0.9s; }
.title-line:nth-child(3) { animation-delay: 1.1s; }

.title-accent {
  color: var(--gold-primary);
  font-style: italic;
}

.title-sub {
  font-size: 0.6em;
  color: var(--text-secondary);
  font-weight: 400;
}

.hero-cta {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s var(--transition-smooth) 1.3s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2.25rem;
  border-radius: 60px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s var(--transition-smooth),
              box-shadow 0.3s var(--transition-smooth);
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold-primary), var(--gold-dark));
  color: var(--bg-primary);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-primary));
  opacity: 0;
  transition: opacity 0.3s var(--transition-smooth);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 40px var(--gold-glow);
}

.btn-primary span {
  position: relative;
  z-index: 1;
}

.btn-arrow {
  width: 18px;
  height: 18px;
  position: relative;
  z-index: 1;
  transition: transform 0.3s var(--transition-smooth);
}

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

.hero-scroll-indicator {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  text-align: center;
  opacity: 0;
  animation: fadeUp 1s var(--transition-smooth) 1.6s forwards;
}

.hero-scroll-indicator span {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 1rem;
}

.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--gold-primary), transparent);
  margin: 0 auto;
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ---- Section Base ---- */
.section {
  padding: 8rem 0;
  position: relative;
}

.section-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.section-layout-reverse {
  direction: rtl;
}

.section-layout-reverse > * {
  direction: ltr;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold-primary);
  margin-bottom: 1rem;
  padding: 0.4rem 1rem;
  border: 1px solid var(--border-gold);
  border-radius: 30px;
  background: rgba(212, 168, 83, 0.05);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 2rem;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-primary), transparent);
  margin-top: 1.5rem;
}

.section-text p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.8;
}

.highlight-quote {
  font-family: var(--font-display);
  font-size: 1.25rem !important;
  font-style: italic;
  color: var(--gold-light) !important;
  border-left: 3px solid var(--gold-primary);
  padding-left: 1.5rem;
  margin: 2rem 0 !important;
  line-height: 1.6 !important;
}

/* ---- Image Frame ---- */
.image-frame {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
}

.image-main {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: 20px;
  transition: transform 0.6s var(--transition-smooth);
}

.image-frame:hover .image-main {
  transform: scale(1.03);
}

.image-accent {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 120px;
  height: 120px;
  border: 2px solid var(--gold-primary);
  border-radius: 20px;
  opacity: 0.3;
  z-index: -1;
}

/* ---- Parallax Image Sections ---- */
.about-section {
  background: var(--bg-primary);
}

.about-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-subtle), transparent);
}

.world-section {
  background: var(--bg-secondary);
}

.world-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(212, 168, 83, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 30%, rgba(245, 166, 35, 0.03) 0%, transparent 40%);
  pointer-events: none;
}

.diving-section {
  background: var(--bg-primary);
  position: relative;
}

.diving-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 50%, rgba(56, 189, 248, 0.03) 0%, transparent 60%);
  pointer-events: none;
}

.daddy-section {
  background: var(--bg-secondary);
}

.daddy-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 60%, rgba(245, 166, 35, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

/* ---- Closing Section ---- */
.closing-section {
  padding: 10rem 0;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.closing-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 50%, rgba(212, 168, 83, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.closing-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.closing-title {
  margin-bottom: 3rem;
}

.closing-title::after {
  margin: 1.5rem auto 0;
}

.closing-text {
  margin-bottom: 4rem;
}

.closing-text p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 1.5rem;
}

.closing-quote {
  padding: 3rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.closing-quote p:first-child {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-style: italic;
  color: var(--gold-light);
  margin-bottom: 1rem;
}

.closing-sub {
  font-size: 1rem !important;
  color: var(--text-tertiary) !important;
  font-style: normal;
  font-family: var(--font-body) !important;
}

/* ---- Footer ---- */
.footer {
  padding: 4rem 0;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}

.footer-content {
  text-align: center;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--gold-primary);
  margin-bottom: 1rem;
}

.footer-tagline {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

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

/* ---- Reveal Animations ---- */
.reveal-left,
.reveal-right,
.reveal-up {
  opacity: 0;
  transition: opacity 0.8s var(--transition-smooth),
              transform 0.8s var(--transition-smooth);
}

.reveal-left {
  transform: translateX(-60px);
}

.reveal-right {
  transform: translateX(60px);
}

.reveal-up {
  transform: translateY(40px);
}

.reveal-left.visible,
.reveal-right.visible,
.reveal-up.visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* ---- Floating Particles Canvas ---- */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .section-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .section-layout-reverse {
    direction: ltr;
  }

  .image-main {
    height: 400px;
  }

  .section {
    padding: 5rem 0;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 70px;
  }

  .container {
    padding: 0 1.5rem;
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .image-main {
    height: 300px;
  }

  .section {
    padding: 4rem 0;
  }

  .closing-section {
    padding: 6rem 0;
  }

  .closing-quote {
    padding: 2rem;
  }

  .closing-quote p:first-child {
    font-size: 1.35rem;
  }

  .globe-container {
    width: 300px;
    height: 300px;
  }
}

@media (max-width: 480px) {
  .hero-eyebrow {
    font-size: 0.75rem;
  }

  .btn {
    padding: 0.85rem 1.75rem;
    font-size: 0.8rem;
  }
}

/* ---- Prefers reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}