/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  background: #fff;
  color: #1a1a2e;
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
}

/* ===== TOKENS ===== */
:root {
  --ink: #1a1a2e;
  --ink-mid: #4a4a6a;
  --ink-light: #8080a0;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --warm: #f8f6f2;
  --border: #e8e8f0;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --transition: 0.25s ease;
  --max-w: 1140px;
}

/* ===== CONTAINER ===== */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 28px; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 { font-family: 'DM Serif Display', Georgia, serif; line-height: 1.15; color: var(--ink); }
em { font-style: italic; }
.eyebrow {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  display: block;
}
.eyebrow-light { color: rgba(255,255,255,0.7); }
.section-title { font-size: clamp(2rem, 3.5vw, 2.9rem); margin-bottom: 20px; }
.section-lead { font-size: 1.1rem; color: var(--ink-mid); max-width: 600px; line-height: 1.75; }

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 2px solid var(--accent);
  transition: background var(--transition), transform var(--transition);
  cursor: pointer;
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); transform: translateY(-1px); }
.btn-outline {
  display: inline-block;
  background: transparent;
  color: #fff;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 2px solid rgba(255,255,255,0.5);
  transition: border-color var(--transition), background var(--transition);
}
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); }
.btn-full { width: 100%; text-align: center; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 18px 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.navbar.scrolled {
  background: #fff;
  box-shadow: 0 1px 0 var(--border);
  padding: 12px 0;
}
.nav-container {
  max-width: var(--max-w); margin: 0 auto; padding: 0 28px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo img { height: 46px; filter: brightness(0) invert(1); transition: filter var(--transition); }
.navbar.scrolled .nav-logo img { filter: none; /* show natural dark logo on white navbar */ }
.nav-links { list-style: none; display: flex; gap: 36px; }
.nav-links a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color var(--transition);
}
.navbar.scrolled .nav-links a { color: var(--ink-mid); }
.nav-links a:hover { color: #fff; }
.navbar.scrolled .nav-links a:hover { color: var(--accent); }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: background var(--transition); }
.navbar.scrolled .hamburger span { background: var(--ink); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 0 0 80px;
  overflow: hidden;
}
.hero-photo { position: absolute; inset: 0; }
.hero-img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    to top,
    rgba(10,10,30,0.88) 0%,
    rgba(10,10,30,0.55) 40%,
    rgba(10,10,30,0.2) 100%
  );
}
.hero-content {
  position: relative; z-index: 1;
  max-width: var(--max-w); margin: 0 auto; padding: 0 28px;
}
.hero-eyebrow {
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: rgba(255,255,255,0.6);
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(2.8rem, 6vw, 5rem);
  color: #fff; margin-bottom: 24px; max-width: 700px;
  line-height: 1.08;
}
.hero-title em { color: #93c5fd; font-style: italic; }
.hero-subtitle {
  font-size: 1.15rem; color: rgba(255,255,255,0.75);
  max-width: 540px; margin-bottom: 40px; line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-scroll-hint {
  position: absolute; bottom: 28px; right: 40px; z-index: 1;
  display: flex; align-items: center; gap: 12px;
  color: rgba(255,255,255,0.45); font-size: 0.78rem; letter-spacing: 0.05em;
}
.scroll-line { width: 40px; height: 1px; background: rgba(255,255,255,0.35); }

/* ===== INTRO STRIP ===== */
.intro-strip {
  background: var(--ink);
  padding: 32px 0;
}
.strip-grid {
  display: flex; align-items: center; justify-content: center;
  gap: 0; flex-wrap: wrap;
}
.strip-item {
  display: flex; flex-direction: column; align-items: center;
  padding: 12px 48px; gap: 4px;
}
.strip-number {
  font-family: 'DM Serif Display', serif;
  font-size: 1.9rem; color: #fff; line-height: 1;
}
.strip-label { font-size: 0.75rem; color: rgba(255,255,255,0.5); letter-spacing: 0.08em; text-transform: uppercase; }
.strip-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.15); }

/* ===== ABOUT ===== */
.about { padding: 100px 0; background: #fff; }
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-photo-stack { position: relative; }
.about-photo-main {
  width: 100%; border-radius: var(--radius-lg);
  display: block; object-fit: cover; height: 480px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.12);
}
.about-photo-card {
  position: absolute; bottom: -24px; right: -24px;
  background: #fff; border-radius: var(--radius);
  padding: 18px 22px; display: flex; align-items: center; gap: 14px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  border: 1px solid var(--border);
}
.about-photo-card .card-icon { font-size: 1.6rem; }
.about-photo-card strong { display: block; font-size: 0.9rem; color: var(--ink); font-weight: 700; margin-bottom: 2px; }
.about-photo-card p { font-size: 0.78rem; color: var(--ink-light); margin: 0; }
.about-text-col { padding-left: 12px; }
.about-text-col h2 { margin-bottom: 24px; }
.about-text-col p { color: var(--ink-mid); margin-bottom: 16px; font-size: 1rem; line-height: 1.8; }
.about-values { margin-top: 28px; display: flex; flex-direction: column; gap: 12px; }
.value-row { display: flex; align-items: center; gap: 12px; font-size: 0.92rem; color: var(--ink-mid); font-weight: 500; }
.value-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }

/* ===== PRODUCTS ===== */
.products { padding: 80px 0 100px; background: var(--warm); }
.section-header { margin-bottom: 64px; }
.section-header .section-title { max-width: 520px; }

.product-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 72px;
  align-items: center; margin-bottom: 90px;
  padding-bottom: 90px; border-bottom: 1px solid var(--border);
}
.product-row:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
.product-row.reverse { direction: rtl; }
.product-row.reverse > * { direction: ltr; }

.product-photo {
  width: 100%; height: 380px; object-fit: cover;
  border-radius: var(--radius-lg); display: block;
  box-shadow: 0 16px 48px rgba(0,0,0,0.1);
}
.product-logo-block { margin-bottom: 10px; }
.prod-logo {
  height: 50px; width: auto; max-width: 260px;
  object-fit: contain; display: block;
}
.prod-logo-tall { height: 68px; }
.product-also-known { font-size: 0.8rem; color: var(--ink-light); margin-bottom: 16px; }
.product-also-known a { color: var(--accent); text-decoration: none; }
.product-also-known a:hover { text-decoration: underline; }
.product-desc-lg { font-size: 1rem; color: var(--ink-mid); line-height: 1.8; margin-bottom: 24px; }
.feature-list { display: flex; flex-direction: column; gap: 9px; margin-bottom: 28px; }
.feat-item { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; color: var(--ink-mid); }
.feat-check { color: #16a34a; font-weight: 700; font-size: 0.85rem; flex-shrink: 0; }
.product-cta {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: 0.92rem; color: var(--accent);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
  transition: border-color var(--transition), gap var(--transition);
}
.product-cta:hover { border-color: var(--accent); gap: 12px; }
.arrow { display: inline-block; transition: transform var(--transition); }
.product-cta:hover .arrow { transform: translateX(4px); }

/* ===== MISSION ===== */
.mission { position: relative; min-height: 600px; display: flex; align-items: center; }
.mission-photo { position: absolute; inset: 0; }
.mission-img { width: 100%; height: 100%; object-fit: cover; object-position: center 40%; }
.mission-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(10,10,50,0.88) 0%, rgba(10,10,50,0.72) 100%);
}
.mission-content {
  position: relative; z-index: 1;
  max-width: var(--max-w); margin: 0 auto; padding: 80px 28px;
  width: 100%;
}
.mission-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: #fff; max-width: 680px; margin-bottom: 56px; line-height: 1.2;
}
.mission-title em { color: #93c5fd; }
.mission-pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; }
.pillar { padding: 28px; background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius); }
.pillar-num { font-family: 'DM Serif Display', serif; font-size: 2.2rem; color: rgba(147,197,253,0.5); line-height: 1; margin-bottom: 12px; }
.pillar h4 { font-family: 'DM Sans', sans-serif; font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 10px; }
.pillar p { font-size: 0.875rem; color: rgba(255,255,255,0.6); line-height: 1.75; }

/* ===== CONTACT ===== */
.contact { padding: 100px 0; background: #fff; }
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.contact-left h2 { margin-bottom: 16px; }
.contact-left > p { color: var(--ink-mid); line-height: 1.8; margin-bottom: 36px; }
.contact-links { margin-bottom: 36px; }
.contact-link-item {
  display: flex; align-items: center; gap: 16px;
  padding: 18px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); text-decoration: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.contact-link-item:hover { border-color: var(--accent); box-shadow: 0 4px 16px rgba(37,99,235,0.08); }
.cli-icon { font-size: 1.3rem; width: 36px; text-align: center; flex-shrink: 0; }
.cli-text strong { display: block; font-size: 0.9rem; color: var(--ink); font-weight: 600; margin-bottom: 2px; }
.cli-text span { font-size: 0.82rem; color: var(--ink-light); }

.product-links-row { display: flex; flex-direction: column; gap: 12px; }
.plink {
  display: block; padding: 12px 16px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  transition: border-color var(--transition);
}
.plink:hover { border-color: var(--accent); }
.plink img { height: 30px; width: auto; object-fit: contain; display: block; }

/* Contact Form */
.contact-form { background: var(--warm); border-radius: var(--radius-lg); padding: 40px; border: 1px solid var(--border); }
.contact-form h3 { font-size: 1.4rem; margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 0.82rem; font-weight: 600; color: var(--ink-mid); }
.form-group input, .form-group select, .form-group textarea {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--ink);
  font-family: 'DM Sans', sans-serif; font-size: 0.92rem;
  padding: 12px 14px; outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37,99,235,0.08);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: #bbb; }
.form-group textarea { resize: vertical; }
.contact-form .btn-primary { margin-top: 4px; }
.form-success {
  display: none; margin-top: 16px; padding: 14px; text-align: center;
  background: #f0fdf4; border: 1px solid #bbf7d0;
  border-radius: var(--radius-sm); color: #16a34a; font-size: 0.9rem; font-weight: 500;
}
.form-error {
  margin-top: 12px; padding: 12px 14px;
  background: #fef2f2; border: 1px solid #fecaca;
  border-radius: var(--radius-sm); color: #dc2626; font-size: 0.875rem; font-weight: 500;
}

/* ===== FOOTER ===== */
.footer { background: var(--ink); padding: 64px 0 32px; }
.footer-top {
  display: grid; grid-template-columns: 2fr 3fr;
  gap: 64px; margin-bottom: 48px; padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo { height: 44px; margin-bottom: 16px; filter: brightness(0) invert(1); display: block; /* invert to white on dark footer */ }
.footer-brand p { color: rgba(255,255,255,0.45); font-size: 0.875rem; line-height: 1.7; max-width: 280px; }
.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer-col h5 { font-family: 'DM Sans', sans-serif; font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(255,255,255,0.35); margin-bottom: 16px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: rgba(255,255,255,0.55); font-size: 0.875rem; text-decoration: none; transition: color var(--transition); }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.3); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .about-layout { gap: 48px; }
  .product-row { gap: 48px; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  .about-layout { grid-template-columns: 1fr; }
  .about-photo-card { right: 0; bottom: -16px; }
  .about-photo-main { height: 320px; }
  .product-row { grid-template-columns: 1fr; }
  .product-row.reverse { direction: ltr; }
  .product-photo { height: 260px; }
  .mission-pillars { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
  .strip-item { padding: 12px 24px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .nav-links {
    display: none; flex-direction: column; position: fixed;
    top: 64px; left: 0; right: 0;
    background: #fff; padding: 20px 28px; gap: 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }
  .nav-links.open { display: flex; }
  .nav-links a { color: var(--ink-mid) !important; }
  .hamburger { display: flex; }
}
@media (max-width: 480px) {
  .footer-cols { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .strip-grid { flex-direction: column; gap: 0; }
  .strip-divider { width: 40px; height: 1px; }
}