/* christopanoff.com — Христо Панов */

:root {
  --black: #0c0c0c;
  --charcoal: #161616;
  --graphite: #2a2a2a;
  --grey: #8a8a8a;
  --silver: #c8c8c8;
  --off-white: #f5f3f0;
  --white: #fafafa;
  --accent: #6b8299;
  --accent-light: rgba(107, 130, 153, 0.15);

  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Outfit", system-ui, sans-serif;

  --header-h: 72px;
  --container: min(1120px, 92vw);
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--charcoal);
  background: var(--off-white);
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: var(--container);
  margin-inline: auto;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.header.scrolled {
  background: rgba(12, 12, 12, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.02em;
}

.logo span {
  font-weight: 400;
  opacity: 0.75;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  transition: color 0.25s;
}

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

.nav-cta {
  padding: 0.55rem 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: background 0.25s, border-color 0.25s !important;
}

.nav-cta:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--white);
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.open span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}

.nav-toggle.open span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  background: var(--black);
  color: var(--white);
  overflow: hidden;
  padding-top: var(--header-h);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 50%, rgba(107, 130, 153, 0.12) 0%, transparent 70%),
    linear-gradient(135deg, var(--black) 0%, var(--charcoal) 100%);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding-block: 4rem 6rem;
}

.hero-label {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.hero-content h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 600;
  line-height: 1.05;
  margin-bottom: 1.5rem;
}

.hero-content h1 em {
  font-style: italic;
  font-weight: 400;
  color: var(--silver);
}

.hero-lead {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.65);
  max-width: 28rem;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background 0.3s, color 0.3s, border-color 0.3s, transform 0.2s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--white);
  color: var(--black);
}

.btn-primary:hover {
  background: var(--silver);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.05);
}

.btn-full {
  width: 100%;
}

.hero-image-wrap {
  position: relative;
  justify-self: end;
  width: min(420px, 100%);
}

.hero-image-frame {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-image-frame img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
}

.hero-accent {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 60%;
  height: 60%;
  border: 1px solid rgba(107, 130, 153, 0.4);
  z-index: 0;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255, 255, 255, 0.35);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}

/* Stats */
.stats {
  background: var(--charcoal);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding-block: 3rem;
}

.stat {
  text-align: center;
  color: var(--white);
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 600;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.04em;
}

/* Sections */
.section {
  padding-block: 6rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-header h2,
.values-content h2,
.contact-info h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--black);
}

.section-header h2 em,
.values-content h2 em,
.contact-info h2 em {
  font-style: italic;
  font-weight: 400;
  color: var(--grey);
}

.section-header.centered {
  text-align: center;
  margin-bottom: 3.5rem;
}

/* About */
.about {
  background: var(--off-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  color: var(--graphite);
  margin-bottom: 1.25rem;
}

.about-text blockquote {
  margin-top: 2rem;
  padding-left: 1.5rem;
  border-left: 2px solid var(--accent);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-style: italic;
  color: var(--black);
  line-height: 1.5;
}

/* Experience */
.experience {
  background: var(--white);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.card {
  padding: 2rem;
  background: var(--off-white);
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.card-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 1.25rem;
  color: var(--accent);
}

.card-icon svg {
  width: 100%;
  height: 100%;
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--black);
}

.card p {
  font-size: 0.95rem;
  color: var(--grey);
  line-height: 1.65;
}

/* Values */
.values {
  background: var(--black);
  color: var(--white);
}

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

.values-content .section-tag {
  color: var(--accent);
}

.values-content h2 {
  color: var(--white);
  margin-bottom: 2.5rem;
}

.values-content h2 em {
  color: var(--silver);
}

.values-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.values-list li {
  padding-left: 1.25rem;
  border-left: 1px solid rgba(255, 255, 255, 0.15);
}

.values-list strong {
  display: block;
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.04em;
  margin-bottom: 0.35rem;
}

.values-list span {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.55);
}

.values-quote {
  padding: 3rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
}

.values-quote p {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-style: italic;
  line-height: 1.45;
  color: var(--silver);
  margin-bottom: 1.5rem;
}

.values-quote cite {
  font-style: normal;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
}

/* Contact */
.contact {
  background: var(--off-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info p {
  color: var(--grey);
  margin: 1.25rem 0 2rem;
  max-width: 28rem;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 400;
  color: var(--black);
  transition: color 0.25s;
}

.contact-link svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
}

.contact-link:hover {
  color: var(--accent);
}

.contact-form {
  background: var(--white);
  padding: 2.5rem;
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 300;
  color: var(--black);
  background: var(--off-white);
  border: 1px solid rgba(0, 0, 0, 0.1);
  transition: border-color 0.25s;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-note {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--grey);
  text-align: center;
}

/* Footer */
.footer {
  background: var(--charcoal);
  color: rgba(255, 255, 255, 0.4);
  padding-block: 2rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-copy {
  font-size: 0.85rem;
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .about-grid,
  .values-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-image-wrap {
    justify-self: center;
    order: -1;
    width: min(320px, 80%);
  }

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

  .hero-lead {
    margin-inline: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-scroll {
    display: none;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(12, 12, 12, 0.97);
    padding: 1.5rem;
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.35s var(--ease), opacity 0.35s;
    pointer-events: none;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .nav-cta {
    text-align: center;
    margin-top: 0.5rem;
  }
}

@media (max-width: 480px) {
  .section {
    padding-block: 4rem;
  }

  .contact-form {
    padding: 1.5rem;
  }
}