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

:root {
  --color-white: #ffffff;
  --color-bg: #000000;
  --color-bg-elevated: #0a0a0a;
  --color-card: #141416;
  --color-card-hover: #1a1a1c;
  --color-text: #ffffff;
  --color-text-secondary: rgba(255, 255, 255, 0.72);
  --color-text-tertiary: rgba(255, 255, 255, 0.5);
  --color-text-muted: rgba(255, 255, 255, 0.4);
  --color-border: rgba(255, 255, 255, 0.1);
  --color-border-strong: rgba(255, 255, 255, 0.2);
  --color-red: #e30000;
  --color-red-hover: #ff1a1a;
  --color-red-light: #ff453a;
  --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --max-width: 1200px;
  --narrow-width: 720px;
  --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 56px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--color-bg);
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.47;
  overflow-x: hidden;
  font-weight: 400;
  letter-spacing: -0.003em;
}

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

a:hover {
  text-decoration: underline;
}

ul {
  list-style: none;
}

strong {
  font-weight: 600;
  color: var(--color-white);
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  height: 48px;
}

.nav-container {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 22px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: -0.01em;
}

.nav-logo:hover {
  text-decoration: none;
  opacity: 0.7;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  color: var(--color-white);
  font-size: 12px;
  font-weight: 400;
  opacity: 0.8;
  letter-spacing: 0;
  transition: opacity var(--transition);
}

.nav-links a:hover {
  opacity: 1;
  text-decoration: none;
}

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

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  background: var(--color-white);
  transition: all var(--transition);
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 22px 80px;
  background: linear-gradient(180deg, #000000 0%, #0a0a0a 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(227, 0, 0, 0.18) 0%, rgba(227, 0, 0, 0.04) 35%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 920px;
}

.hero-name {
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--color-white);
  margin-bottom: 16px;
}

.hero-tagline {
  font-size: clamp(24px, 3.5vw, 38px);
  font-weight: 500;
  color: var(--color-white);
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: clamp(16px, 1.5vw, 19px);
  color: var(--color-text-tertiary);
  font-weight: 400;
  margin-bottom: 40px;
  letter-spacing: 0;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 12px 24px;
  border-radius: 980px;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
  border: none;
  white-space: nowrap;
}

.btn:hover {
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--color-red-hover);
  transform: scale(1.02);
  box-shadow: 0 8px 30px rgba(227, 0, 0, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-bg);
  border-color: var(--color-white);
  transform: scale(1.02);
}

/* ===== Sections ===== */
.section {
  padding: 120px 22px;
}

.section-light {
  background: var(--color-bg);
}

.section-off {
  background: var(--color-bg-elevated);
}

.section-dark {
  background: var(--color-bg);
  color: var(--color-white);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 22px;
}

.container-narrow {
  max-width: var(--narrow-width);
  margin: 0 auto;
  padding: 0 22px;
  text-align: center;
}

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-red);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  text-align: center;
}

.eyebrow-light {
  color: var(--color-red-light);
}

.headline {
  font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.08;
  color: var(--color-white);
  margin-bottom: 40px;
  text-align: center;
}

.headline-light {
  color: var(--color-white);
}

.lead {
  font-size: clamp(17px, 1.45vw, 20px);
  color: var(--color-text-secondary);
  line-height: 1.6;
  font-weight: 400;
  letter-spacing: -0.003em;
  margin-bottom: 24px;
  text-align: left;
}

.container-narrow .lead {
  text-align: left;
}

.lead-center {
  text-align: center !important;
}

.inline-link {
  color: var(--color-red);
  font-weight: 500;
}

.center-cta {
  text-align: center;
  margin-top: 48px;
}

/* ===== Building (Projects) ===== */
.building-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 64px;
}

.building-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 22px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}

.building-card:hover {
  background: var(--color-card-hover);
  border-color: var(--color-border-strong);
  transform: translateY(-4px);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
}

.building-card--featured {
  grid-column: 1 / -1;
  background: linear-gradient(180deg, #18181a 0%, #0e0e10 100%);
  padding: 48px;
  border: 1px solid rgba(255, 69, 58, 0.25);
  position: relative;
  overflow: hidden;
}

.building-card--featured::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(227, 0, 0, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.building-card--featured:hover {
  border-color: rgba(255, 69, 58, 0.5);
  box-shadow: 0 24px 48px rgba(227, 0, 0, 0.2);
}

.building-card--muted {
  opacity: 0.6;
}

.building-card--muted:hover {
  opacity: 1;
}

.card-header {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.card-title {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.15;
  color: var(--color-white);
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}

.building-card--featured .card-title {
  font-size: clamp(32px, 3.5vw, 42px);
}

.card-description {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: 0;
  max-width: 100%;
  position: relative;
  z-index: 1;
}

.building-card--featured .card-description {
  font-size: 18px;
  max-width: 680px;
}

/* ===== Status Badges ===== */
.status-badge {
  padding: 5px 12px;
  border-radius: 980px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.status-badge--live {
  background: rgba(227, 0, 0, 0.15);
  color: var(--color-red-light);
  border: 1px solid rgba(227, 0, 0, 0.4);
}

.status-badge--live::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-red-light);
  box-shadow: 0 0 10px rgba(255, 69, 58, 0.8);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.status-badge--dev {
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* ===== Toolkit ===== */
.toolkit-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  margin-top: 64px;
  align-items: start;
}

.toolkit-block h3 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-red);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.toolkit-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.toolkit-tag {
  padding: 10px 18px;
  border: 1px solid var(--color-border-strong);
  border-radius: 980px;
  font-size: 14px;
  font-weight: 400;
  color: var(--color-white);
  background: transparent;
  transition: all var(--transition);
  cursor: default;
  letter-spacing: -0.005em;
}

.toolkit-tag:hover {
  border-color: var(--color-red);
  color: var(--color-red);
  transform: translateY(-1px);
  background: rgba(227, 0, 0, 0.08);
}

/* ===== Instagram ===== */
.instagram-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  max-width: 1100px;
  margin: 64px auto 0;
  align-items: start;
}

.instagram-grid .instagram-media {
  min-width: 0 !important;
  width: 100% !important;
  max-width: 100% !important;
  margin: 0 !important;
}

/* ===== Contact ===== */
.contact .headline {
  margin-bottom: 32px;
}

.email-link {
  display: inline-block;
  font-size: clamp(22px, 2.4vw, 32px);
  font-weight: 500;
  color: var(--color-red);
  margin: 40px 0 16px;
  letter-spacing: -0.01em;
  transition: all var(--transition);
  word-break: break-word;
}

.email-link:hover {
  color: var(--color-red-hover);
  text-decoration: none;
  transform: translateY(-1px);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 32px;
}

.social-links a {
  color: var(--color-text-tertiary);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.social-links a:hover {
  color: var(--color-white);
  background: var(--color-red);
  border-color: var(--color-red);
  text-decoration: none;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(227, 0, 0, 0.3);
}

/* ===== Footer ===== */
.footer {
  background: var(--color-bg-elevated);
  padding: 32px 22px;
  border-top: 1px solid var(--color-border);
}

.footer p {
  color: var(--color-text-muted);
  font-size: 12px;
  text-align: center;
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s cubic-bezier(0.4, 0, 0.2, 1), transform 0.9s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.building-card--muted.fade-in.visible {
  opacity: 0.6;
}

.building-card--muted.fade-in.visible:hover {
  opacity: 1;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .building-grid {
    grid-template-columns: 1fr;
  }

  .building-card--featured {
    padding: 36px;
  }

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

  .instagram-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .section {
    padding: 80px 22px;
  }
}

@media (max-width: 734px) {
  .nav-links {
    position: fixed;
    top: 48px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    flex-direction: column;
    align-items: center;
    padding: 24px 0;
    gap: 20px;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

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

  .nav-links a {
    font-size: 17px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(3px, 4px);
  }

  .nav-toggle.active span:nth-child(2) {
    transform: rotate(-45deg) translate(3px, -4px);
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
    gap: 12px;
    width: 100%;
  }

  .btn {
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }

  .building-card {
    padding: 28px;
  }

  .building-card--featured {
    padding: 32px;
  }

  .card-title {
    font-size: 22px;
  }

  .building-card--featured .card-title {
    font-size: 26px;
  }

  .card-header {
    flex-wrap: wrap;
  }

  .instagram-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .section {
    padding: 64px 22px;
  }

  .toolkit-columns {
    gap: 40px;
  }

  .email-link {
    font-size: 20px;
  }
}