@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Inter:wght@300;400;500;600&display=swap');

:root {
  --color-bg: #0a0a0a;
  --color-surface: #141414;
  --color-primary: #c5a572; /* Antique Bronze */
  --color-secondary: #8b5e3c; /* Tobacco Brown */
  --color-text: #f5f5f5;
  --color-text-muted: #a1a1aa;
  --color-border: rgba(255, 255, 255, 0.08);
  --font-heading: 'Instrument Serif', serif;
  --font-body: 'Inter', sans-serif;
  --transition: all 0.5s cubic-bezier(0.2, 1, 0.3, 1);
  --container-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.1;
}

p {
  font-weight: 300;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

/* Layout */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2.5rem;
}

.section {
  padding: 10rem 0;
  border-bottom: 1px solid var(--color-border);
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 2.5rem 0;
  z-index: 100;
  transition: var(--transition);
  background: linear-gradient(to bottom, var(--color-bg), transparent);
}

header.scrolled {
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(20px);
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--color-border);
}

.nav-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-style: italic;
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  gap: 4rem;
}

.nav-links a {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 500;
  color: var(--color-text-muted);
}

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

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}

.hero h1 {
  font-size: clamp(4rem, 10vw, 8rem);
  margin-bottom: 2rem;
}

.hero .meta {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--color-primary);
  margin-bottom: 1rem;
  display: block;
}

.hero-description {
  max-width: 600px;
  font-size: 1.25rem;
  color: var(--color-text-muted);
}

/* Photo Mask */
.photo-container {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 35%;
  height: 70%;
  z-index: -1;
  opacity: 0.6;
  filter: sepia(0.4) contrast(1.1) brightness(0.8);
  mask-image: linear-gradient(to left, black, transparent);
  -webkit-mask-image: linear-gradient(to left, black, transparent);
}

.photo-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Experience / Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
}

.feature-item {
  padding: 2.5rem 0;
}

.feature-item .year {
  font-family: var(--font-heading);
  font-size: 3rem;
  color: var(--color-primary);
  display: block;
  margin-bottom: 1rem;
}

.feature-item h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

/* Formal Cards */
.formal-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 3.5rem;
  transition: var(--transition);
}

.formal-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-5px);
}

/* Modern Lists */
.expertise-list {
  list-style: none;
}

.expertise-list li {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.expertise-list li span {
  font-family: var(--font-heading);
  font-size: 1.5rem;
}

/* Buttons */
.cta-link {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-style: italic;
  margin-top: 3rem;
  color: var(--color-primary);
}

.cta-link span {
  margin-left: 1.5rem;
  width: 60px;
  height: 1px;
  background: var(--color-primary);
  transition: var(--transition);
}

.cta-link:hover span {
  width: 100px;
}

/* Footer */
footer {
  padding: 6rem 0;
  text-align: center;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 4rem;
  opacity: 0.1;
  margin-bottom: 2rem;
}

.legal {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

/* Mobile */
@media (max-width: 992px) {
  .hero h1 { font-size: 4rem; }
  .feature-grid { grid-template-columns: 1fr; gap: 2rem; }
  .photo-container { display: none; }
  .nav-links { display: none; }
}

@media (max-width: 600px) {
  .section { padding: 6rem 0; }
  .container { padding: 0 1.5rem; }
  .formal-card { padding: 2rem; }
}