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

:root {
  --navy:      #0d1b2e;
  --navy-card: #112240;
  --navy-light:#1a3358;
  --teal:      #00b4c8;
  --teal-light:#4dd9e8;
  --silver:    #c8d0d8;
  --text:      #e0eaf4;
  --text-dim:  #7a9ab8;
  --border:    #1e3a58;
}

html { scroll-behavior: smooth; }

body {
  background: var(--navy);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
  line-height: 1.6;
}

/* ── NAV ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 27, 46, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 0 48px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo img { height: 38px; }

.nav-right { display: flex; align-items: center; gap: 28px; }

.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--teal); }

.btn-nav-signin {
  background: var(--teal);
  color: #ffffff;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 6px;
  transition: background 0.2s;
}
.btn-nav-signin:hover { background: var(--teal-light); }

#nav-auth { display: flex; align-items: center; gap: 20px; font-size: 0.9rem; }
#nav-auth a { color: var(--text-dim); text-decoration: none; font-weight: 500; transition: color 0.2s; }
#nav-auth a:hover { color: var(--teal); }
#nav-auth button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
}
#nav-auth button:hover { border-color: var(--teal); color: var(--teal); }

/* ── HERO ── */
.hero {
  min-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,180,200,0.12) 0%, transparent 70%),
    var(--navy);
}

.hero-logo { width: 260px; margin-bottom: 40px; }

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.15;
  background: linear-gradient(135deg, #ffffff 30%, var(--teal-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
}

.hero p {
  max-width: 560px;
  font-size: 1.1rem;
  color: var(--text-dim);
  margin-bottom: 40px;
}

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

.btn-primary {
  background: var(--teal);
  color: #0d1b2e;
  font-weight: 700;
  padding: 13px 32px;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover { background: var(--teal-light); transform: translateY(-1px); }

.btn-outline-hero {
  background: transparent;
  color: var(--teal);
  font-weight: 600;
  padding: 13px 32px;
  border: 1.5px solid var(--teal);
  border-radius: 8px;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s;
}
.btn-outline-hero:hover { background: rgba(0,180,200,0.1); }

/* ── WAVE DIVIDER ── */
.wave-divider {
  width: 100%;
  overflow: hidden;
  line-height: 0;
  margin-top: -2px;
}
.wave-divider svg { display: block; width: 100%; height: 60px; }

/* ── SECTIONS ── */
section { padding: 80px 24px; }

.container { max-width: 1100px; margin: 0 auto; }

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 16px;
  color: #ffffff;
}

.section-sub {
  font-size: 1rem;
  color: var(--text-dim);
  max-width: 600px;
  margin-bottom: 52px;
}

/* ── ABOUT ── */
#about { background: var(--navy-card); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-text p {
  color: var(--text-dim);
  font-size: 1rem;
  margin-bottom: 16px;
  line-height: 1.75;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.stat-box {
  background: var(--navy-light);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
}

.stat-box .value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--teal);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-box .label {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ── PROJECTS ── */
#projects { background: var(--navy); }

/* ── Homepage tools teaser: one compact card, just logo/name/status,
   pointing at /tools — the full descriptions live there, not here. ── */
.tools-teaser-card {
  display: block;
  max-width: 980px;
  margin: 0 auto;
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
}
.tools-teaser-card:hover { border-color: var(--teal); transform: translateY(-3px); }

.tools-teaser-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
@media (max-width: 860px) {
  .tools-teaser-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 520px) {
  .tools-teaser-grid { grid-template-columns: repeat(2, 1fr); }
}

.tool-mini {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
}
.tool-mini--soon { opacity: 0.55; }
.tool-logo-mini { height: 34px; max-width: 100%; }
.tool-mini-sub { font-size: 0.78rem; color: var(--text-dim); line-height: 1.3; }

.tools-teaser-cta {
  text-align: center;
  margin-top: 28px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--teal);
}

.tool-logo { height: 48px; margin-bottom: 4px; }
.tool-subtitle {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin-top: -4px;
}

.project-card {
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.2s, transform 0.2s;
}
.project-card:hover { border-color: var(--teal); transform: translateY(-3px); }
a.project-card { text-decoration: none; color: inherit; cursor: pointer; }

.project-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--teal);
  background: rgba(0,180,200,0.1);
  border: 1px solid rgba(0,180,200,0.25);
  padding: 4px 12px;
  border-radius: 20px;
  width: fit-content;
}

.project-name {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
}

.project-desc {
  font-size: 0.92rem;
  color: var(--text-dim);
  line-height: 1.7;
  flex: 1;
}

.project-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag {
  font-size: 0.72rem;
  background: var(--navy-light);
  color: var(--silver);
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid var(--border);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--teal);
  text-decoration: none;
  margin-top: 4px;
  transition: gap 0.2s;
}
.project-link:hover { gap: 10px; }

/* ── CONTACT ── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-top: 8px;
}

.contact-item {
  background: var(--navy);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-dim); margin-bottom: 8px; }
.contact-value,
.contact-value:link,
.contact-value:visited,
.contact-value:hover,
.contact-value:active {
  font-size: 0.95rem;
  color: var(--text-dim) !important;
  text-decoration: none !important;
  font-weight: 400;
  display: block;
  margin-bottom: 6px;
}

/* ── PROJECT CARD VARIANTS ── */
.project-badge--soon { color: var(--text-dim); background: rgba(120,150,180,0.08); border-color: rgba(120,150,180,0.2); }
.project-card--soon { opacity: 0.65; }
.project-card--soon:hover { border-color: var(--border); transform: none; }

/* ── FOOTER ── */
footer {
  background: var(--navy-card);
  border-top: 1px solid var(--border);
  padding: 40px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

footer img { height: 32px; opacity: 0.7; }
footer p { font-size: 0.82rem; color: var(--text-dim); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  footer { flex-direction: column; text-align: center; }
}