/* ============================================
   GIZMO PLATFORMS INC. - Base Styles
   ============================================ */

:root {
  --primary: #0a1628;
  --primary-light: #0f2240;
  --primary-dark: #060e1a;
  --accent: #00d4ff;
  --accent-dim: #0099bb;
  --accent-glow: rgba(0, 212, 255, 0.15);
  --accent-secondary: #00ff88;
  --warning: #ff6b35;
  --danger: #ff3355;
  --white: #ffffff;
  --gray-100: #f0f2f5;
  --gray-200: #d8dce5;
  --gray-300: #b0b8c9;
  --gray-400: #8892a4;
  --gray-500: #5a6478;
  --gray-600: #3d4556;
  --gray-700: #2a3142;
  --gray-800: #1a2033;
  --gray-900: #0d1321;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --font-display: 'Inter', sans-serif;
  --section-padding: 120px 0;
  --container-width: 1200px;
  --container-narrow: 800px;
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.6s ease;
  --border-subtle: 1px solid rgba(255, 255, 255, 0.06);
  --border-accent: 1px solid rgba(0, 212, 255, 0.2);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  background-color: var(--primary);
  color: var(--gray-200);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--accent-secondary); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--white);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.4rem, 2.5vw, 1.8rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.3rem); }
p { color: var(--gray-300); font-size: 1.05rem; max-width: 680px; }

.container { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: var(--container-narrow); }
.container--wide { max-width: 1400px; }
.section { padding: var(--section-padding); position: relative; }
.section--dark { background: var(--primary-dark); }
.section--gradient { background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%); }
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-white { color: var(--white); }
.mx-auto { margin-left: auto; margin-right: auto; }

.grid { display: grid; gap: 32px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .grid--4, .grid--3, .grid--2 { grid-template-columns: 1fr; }
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.section-title { margin-bottom: 20px; }

.section-subtitle {
  font-size: 1.15rem;
  color: var(--gray-400);
  max-width: 600px;
  line-height: 1.7;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  font-family: var(--font-primary);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  position: relative;
  overflow: hidden;
}

.btn--primary { background: var(--accent); color: var(--primary); }
.btn--primary:hover {
  background: var(--white);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.3);
}

.btn--outline { background: transparent; color: var(--white); border: 1px solid rgba(255, 255, 255, 0.2); }
.btn--outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

.btn--ghost { background: transparent; color: var(--accent); padding: 14px 0; }
.btn--ghost:hover { color: var(--white); }
.btn--ghost .btn-arrow { transition: transform var(--transition-base); }
.btn--ghost:hover .btn-arrow { transform: translateX(4px); }
.btn--large { padding: 18px 42px; font-size: 1rem; }
.btn--small { padding: 10px 20px; font-size: 0.85rem; }

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
  transition: all var(--transition-base);
}

.header--scrolled {
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: var(--border-subtle);
}

.header__inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--white);
}

.header__logo-icon { width: 40px; height: 40px; }
.header__logo-text {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.header__logo-text span { color: var(--accent); }

.header__nav { display: flex; align-items: center; gap: 36px; }

.header__nav-link {
  color: var(--gray-300);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: color var(--transition-fast);
  position: relative;
}

.header__nav-link:hover, .header__nav-link--active { color: var(--white); }

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition-base);
}

.header__nav-link:hover::after, .header__nav-link--active::after { width: 100%; }
.header__cta { margin-left: 12px; }

.header__mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.header__mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all var(--transition-base);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(6, 14, 26, 0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.mobile-nav--open { display: flex; opacity: 1; pointer-events: all; }

.mobile-nav__link {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.mobile-nav__close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
}

@media (max-width: 1024px) {
  .header__nav { display: none; }
  .header__cta { display: none; }
  .header__mobile-toggle { display: flex; }
}

/* Footer */
.footer {
  background: var(--primary-dark);
  border-top: var(--border-subtle);
  padding: 80px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: var(--border-subtle);
}

.footer__brand { max-width: 320px; }

.footer__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  text-decoration: none;
  color: var(--white);
}

.footer__logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer__logo-text span { color: var(--accent); }

.footer__brand-text {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer__social { display: flex; gap: 12px; }

.footer__social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  color: var(--gray-500);
  transition: all var(--transition-base);
}

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

.footer__column-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--white);
  margin-bottom: 20px;
}

.footer__links { display: flex; flex-direction: column; gap: 12px; }

.footer__link {
  font-size: 0.9rem;
  color: var(--gray-500);
  transition: color var(--transition-fast);
}

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

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__copyright { font-size: 0.8rem; color: var(--gray-600); }
.footer__legal { display: flex; gap: 24px; }
.footer__legal-link { font-size: 0.8rem; color: var(--gray-600); }
.footer__legal-link:hover { color: var(--gray-400); }

@media (max-width: 1024px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
}