/* ============================================================
   CLEAR SKY SYSTEMS — styles.css
   ============================================================ */

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

:root {
  --navy:       #0d2137;
  --navy-mid:   #1a3a5c;
  --navy-light: #1f4a72;
  --sky:        #4a90c4;
  --sky-light:  #7eb8e4;
  --sky-pale:   #d6eaf8;
  --cream:      #f5f7fa;
  --white:      #ffffff;
  --text:       #1c2b3a;
  --text-mid:   #4a6070;
  --text-light: #7a96a8;
  --border:     #d0dde8;
  --card-bg:    #ffffff;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --radius:    8px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(13,33,55,0.08);
  --shadow-md: 0 8px 32px rgba(13,33,55,0.12);
  --shadow-lg: 0 20px 60px rgba(13,33,55,0.16);
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* --- UTILITIES --- */
.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sky);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  font-weight: 300;
  line-height: 1.2;
  color: var(--navy);
}

.section-intro {
  margin-top: 1rem;
  font-size: 0.95rem;
  color: var(--text-mid);
  max-width: 560px;
  line-height: 1.75;
}

.section-header { margin-bottom: 3rem; }

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}
.btn-primary { background: var(--navy); color: var(--white); border-color: var(--navy); }
.btn-primary:hover { background: var(--navy-light); border-color: var(--navy-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(13,33,55,0.25); }
.btn-ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.45); }
.btn-ghost:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.7); transform: translateY(-2px); }
.btn-full { width: 100%; justify-content: center; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.nav.scrolled {
  background: rgba(13,33,55,0.97);
  backdrop-filter: blur(12px);
  padding: 0.8rem 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
}
.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--white);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.logo-icon { width: 32px; height: 32px; flex-shrink: 0; }
.nav-links { display: flex; list-style: none; align-items: center; gap: 2.5rem; }
.nav-links a { color: rgba(255,255,255,0.78); text-decoration: none; font-size: 0.875rem; font-weight: 400; letter-spacing: 0.02em; transition: color 0.2s; }
.nav-links a:hover { color: var(--white); }
.nav-cta {
  background: rgba(255,255,255,0.12) !important;
  color: var(--white) !important;
  padding: 0.55rem 1.3rem;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.3);
  transition: background var(--transition), border-color var(--transition) !important;
}
.nav-cta:hover { background: rgba(255,255,255,0.2) !important; border-color: rgba(255,255,255,0.5) !important; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 1.5px; background: var(--white); transition: var(--transition); }

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--navy);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.mobile-menu.open { opacity: 1; pointer-events: all; }
.mobile-menu ul { list-style: none; text-align: center; }
.mobile-menu li { margin: 1.5rem 0; }
.mobile-menu a { color: var(--white); text-decoration: none; font-family: var(--font-display); font-size: 2rem; font-weight: 300; opacity: 0.85; transition: opacity 0.2s; }
.mobile-menu a:hover { opacity: 1; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--navy);
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
#skyCanvas { width: 100%; height: 100%; opacity: 0.6; }
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
  padding: 8rem 2rem 5rem;
  width: 100%;
}
.hero-eyebrow {
  font-size: 0.72rem; font-weight: 500; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--sky-light); margin-bottom: 1.5rem;
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 300; line-height: 1.08; color: var(--white);
  margin-bottom: 1.75rem; max-width: 700px;
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.8s ease 0.15s, transform 0.8s ease 0.15s;
}
.hero-headline em { font-style: italic; color: var(--sky-light); }
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.12rem); color: rgba(255,255,255,0.62);
  max-width: 540px; margin-bottom: 2.5rem; font-weight: 300; line-height: 1.75;
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.8s ease 0.3s, transform 0.8s ease 0.3s;
}
.hero-actions {
  display: flex; gap: 1rem; flex-wrap: wrap;
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.7s ease 0.45s, transform 0.7s ease 0.45s;
}
.hero-eyebrow.visible, .hero-headline.visible, .hero-sub.visible, .hero-actions.visible { opacity: 1; transform: none; }

.hero-scroll-indicator {
  position: absolute; bottom: 2.5rem; left: 2rem;
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  z-index: 1; opacity: 0;
  animation: fadeIn 1s ease 1.2s forwards;
}
.hero-scroll-indicator span { font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase; color: rgba(255,255,255,0.4); writing-mode: vertical-rl; }
.scroll-line { width: 1px; height: 50px; background: linear-gradient(to bottom, rgba(255,255,255,0.35), transparent); animation: scrollPulse 2s ease-in-out infinite; }

@keyframes scrollPulse { 0%,100%{opacity:0.4;transform:scaleY(1)}50%{opacity:1;transform:scaleY(0.6)} }
@keyframes fadeIn { to { opacity: 1; } }

/* ============================================================
   PROJECTS
   ============================================================ */
.projects {
  padding: 7rem 0;
  background: var(--cream);
}

.projects-sublabel {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.projects-grid--soon {
  grid-template-columns: repeat(2, 1fr);
}

.project-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  opacity: 0;
  transform: translateY(20px);
  display: flex;
  flex-direction: column;
}
.project-card.visible { opacity: 1; transform: none; }
.project-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--sky-pale); }

.project-card--soon {
  background: var(--white);
  opacity: 0;
}
.project-card--soon.visible { opacity: 1; transform: none; }
.project-card--soon:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.wide-card {
  grid-column: span 3;
}

.project-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-domain-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-end;
}

.project-status {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  flex-shrink: 0;
}
.status-live { background: #e6f4ee; color: #1a7a4a; }
.status-soon { background: #eef2f8; color: var(--text-mid); }

.project-domain {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--sky);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.project-domain:hover { color: var(--navy); }

.project-card h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 400;
  color: var(--navy);
  margin-bottom: 0.25rem;
}
.project-tagline {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--sky);
  margin-bottom: 0.75rem;
  letter-spacing: 0.01em;
}
.project-desc {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.72;
  flex: 1;
  margin-bottom: 1.25rem;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
}
.project-tags span {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-mid);
  background: var(--cream);
  border: 1px solid var(--border);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
}

/* ============================================================
   CONSULTING
   ============================================================ */
.consulting {
  padding: 7rem 0;
  background: var(--white);
}

.consulting-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.consulting-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  opacity: 0;
  transform: translateY(20px);
}
.consulting-card.visible { opacity: 1; transform: none; }
.consulting-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--sky-pale); }

.service-icon { width: 48px; height: 48px; color: var(--sky); margin-bottom: 1rem; }
.consulting-card h3 { font-family: var(--font-display); font-size: 1.3rem; font-weight: 400; color: var(--navy); margin-bottom: 0.6rem; }
.consulting-card p { font-size: 0.88rem; color: var(--text-mid); line-height: 1.7; }

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  padding: 7rem 0;
  background: var(--cream);
}
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.about-visual { opacity: 0; transform: translateX(-24px); transition: opacity 0.8s ease, transform 0.8s ease; }
.about-visual.visible { opacity: 1; transform: none; }
.about-image-frame { position: relative; }
.about-image-inner { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/3; box-shadow: var(--shadow-lg); }
.about-illustration { width: 100%; height: 100%; display: block; }
.about-text .section-title { margin-bottom: 1.5rem; }
.about-body { font-size: 0.95rem; color: var(--text-mid); margin-bottom: 1.25rem; line-height: 1.8; }
.about-pillars { list-style: none; margin-top: 2rem; display: flex; flex-direction: column; gap: 1rem; }
.about-pillars li { display: flex; align-items: flex-start; gap: 0.9rem; font-size: 0.9rem; color: var(--text-mid); }
.pillar-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--sky); margin-top: 0.45rem; flex-shrink: 0; }
.about-pillars strong { color: var(--navy); font-weight: 500; }

/* Stock image + placeholder */
.about-photo {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.about-photo-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  aspect-ratio: 4/3;
  background: var(--cream);
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-light);
  text-align: center;
  padding: 2rem;
}
.about-photo-placeholder svg { width: 48px; height: 48px; opacity: 0.4; }
.about-photo-placeholder span { font-size: 0.8rem; line-height: 1.6; }
.about-photo-placeholder code { font-family: monospace; background: var(--border); padding: 0.1em 0.4em; border-radius: 3px; font-size: 0.85em; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { padding: 7rem 0; background: var(--white); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 5rem; align-items: start; }
.contact-info .section-title { margin-bottom: 1.25rem; }
.contact-body { font-size: 0.95rem; color: var(--text-mid); line-height: 1.8; margin-bottom: 2rem; }
.contact-details { list-style: none; display: flex; flex-direction: column; gap: 1rem; }
.contact-details li { display: flex; align-items: center; gap: 0.75rem; font-size: 0.9rem; color: var(--text-mid); }
.contact-details svg { width: 20px; height: 20px; color: var(--sky); flex-shrink: 0; }
.contact-details a { color: var(--text-mid); text-decoration: none; transition: color 0.2s; }
.contact-details a:hover { color: var(--navy); }

.contact-form-wrap { background: var(--cream); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 2.5rem; }
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; position: relative; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-size: 0.78rem; font-weight: 500; color: var(--text-mid); letter-spacing: 0.03em; }
.form-group input, .form-group select, .form-group textarea {
  font-family: var(--font-body); font-size: 0.9rem; color: var(--text);
  background: var(--white); border: 1.5px solid var(--border); border-radius: var(--radius);
  padding: 0.75rem 1rem; outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%; appearance: none; -webkit-appearance: none;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-light); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--sky); box-shadow: 0 0 0 3px rgba(74,144,196,0.12); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-note { font-size: 0.78rem; color: var(--text-light); text-align: center; margin-top: -0.25rem; }
.label-optional { font-weight: 400; color: var(--text-light); }
.form-error {
  display: none;
  background: #fef2f2;
  border: 1px solid #fca5a5;
  color: #991b1b;
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  line-height: 1.5;
}
.form-error.visible { display: block; }
.form-success { display: none; flex-direction: column; align-items: center; gap: 1rem; text-align: center; padding: 2rem; color: var(--navy); }
.form-success.visible { display: flex; }
.form-success svg { width: 40px; height: 40px; color: var(--sky); }
.form-success p { font-family: var(--font-display); font-size: 1.15rem; font-weight: 300; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--navy); color: rgba(255,255,255,0.55); }
.footer-inner { padding: 4rem 2rem; display: flex; justify-content: space-between; gap: 3rem; flex-wrap: wrap; }
.footer-brand .logo { margin-bottom: 0.75rem; }
.footer-brand p { font-size: 0.85rem; max-width: 220px; }
.footer-links { display: flex; gap: 4rem; }
.footer-col { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-col strong { color: var(--white); font-size: 0.78rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.5rem; }
.footer-col a { color: rgba(255,255,255,0.48); text-decoration: none; font-size: 0.875rem; transition: color 0.2s; }
.footer-col a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 1.5rem 2rem; max-width: 1180px; margin: 0 auto; width: 100%; display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; flex-wrap: wrap; gap: 1rem; }
.footer-legal { display: flex; gap: 1.5rem; }
.footer-legal a { color: rgba(255,255,255,0.38); text-decoration: none; font-size: 0.8rem; transition: color 0.2s; }
.footer-legal a:hover { color: rgba(255,255,255,0.7); }

/* reveal-card alias */
.reveal-card { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal-card.visible { opacity: 1; transform: none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .wide-card { grid-column: span 2; }
  .projects-grid--soon { grid-template-columns: repeat(2, 1fr); }
  .consulting-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: flex; }
  .hero-content { padding: 7rem 1.5rem 4rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; justify-content: center; }
  .projects-grid { grid-template-columns: 1fr; }
  .wide-card { grid-column: span 1; }
  .projects-grid--soon { grid-template-columns: 1fr; }
  .consulting-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-visual { transform: none; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 2.5rem; }
  .footer-links { gap: 2.5rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .projects, .consulting, .about, .contact { padding: 5rem 0; }
  .contact-form-wrap { padding: 1.75rem; }
}