/* ============================================================
   Asticou Island LLC — Global Stylesheet
   Brand: Deep Slate #0f1f2e | Cyan #00b4d8 | Electric Blue #0077ff
   ============================================================ */

:root {
  --slate:        #0f1f2e;
  --slate-dark:   #090e16;
  --slate-mid:    #162438;
  --slate-light:  #1e3048;
  --cyan:         #00b4d8;
  --cyan-dark:    #0096b7;
  --blue:         #0077ff;
  --blue-dark:    #005fd4;
  --silver:       #c8d6e5;
  --charcoal:     #3a3a3a;
  --white:        #ffffff;
  --off-white:    #f4f7fa;
  --light-gray:   #e8edf3;
  --border:       rgba(0, 180, 216, 0.22);

  --font-mono:    'IBM Plex Mono', 'Fira Code', 'Courier New', monospace;
  --font-sans:    'IBM Plex Sans', Inter, -apple-system, BlinkMacSystemFont, sans-serif;

  --max-width:    1160px;
  --nav-height:   72px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html  { scroll-behavior: smooth; font-size: 16px; }
body  { font-family: var(--font-sans); color: var(--charcoal); background: var(--white); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img   { max-width: 100%; height: auto; display: block; }
a     { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { list-style: none; }

/* ── Layout Utilities ── */
.container   { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }

.cyan-rule        { width: 56px; height: 3px; background: var(--cyan); margin: 16px auto; border-radius: 2px; }
.cyan-rule.left   { margin-left: 0; }

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 14px 34px;
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  text-decoration: none !important;
  white-space: nowrap;
}
.btn-cyan         { background: var(--cyan);  color: var(--slate); }
.btn-cyan:hover   { background: var(--cyan-dark); }
.btn-outline      { background: transparent; color: var(--white); border-color: var(--cyan); }
.btn-outline:hover{ background: var(--cyan); color: var(--slate); }
.btn-slate        { background: var(--slate); color: var(--white); border-color: var(--slate); }
.btn-slate:hover  { background: var(--slate-dark); border-color: var(--slate-dark); }
.btn-blue         { background: var(--blue); color: var(--white); border-color: var(--blue); }
.btn-blue:hover   { background: var(--blue-dark); border-color: var(--blue-dark); }

/* ── Section helpers ── */
.section-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-sans);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--slate);
}
.section-title.on-dark  { color: var(--white); }
.section-subtitle       { font-size: 1.05rem; line-height: 1.8; color: #606060; max-width: 680px; }
.section-subtitle.on-dark { color: rgba(255,255,255,0.70); }

/* ================================================================
   NAVIGATION
   ================================================================ */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: var(--nav-height);
  background: rgba(9, 14, 22, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 180, 216, 0.18);
}
.nav-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 100%;
}
.nav-logo        { display: flex; align-items: center; gap: 14px; }
.nav-logo img    { height: 38px; width: auto; }
.nav-logo-name   { font-family: var(--font-sans); color: var(--white); font-size: 1.0rem; font-weight: 600; letter-spacing: 0.01em; line-height: 1.2; }
.nav-logo-name small { display: block; font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.42); }

.nav-links       { display: flex; align-items: center; gap: 28px; }
.nav-links a     { color: rgba(255,255,255,0.78); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; transition: color 0.2s; }
.nav-links a:hover { color: var(--cyan); text-decoration: none; }
.nav-links .nav-cta a {
  color: var(--cyan);
  border: 1px solid rgba(0,180,216,0.5);
  padding: 9px 20px;
  border-radius: 4px;
  transition: background 0.2s, color 0.2s;
}
.nav-links .nav-cta a:hover { background: var(--cyan); color: var(--slate); }

.nav-toggle      { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--white); border-radius: 2px; transition: all 0.3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 800px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute; top: var(--nav-height); left: 0; right: 0;
    flex-direction: column; align-items: flex-start;
    background: var(--slate-dark);
    padding: 28px 24px;
    gap: 22px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-links .nav-cta a { padding: 10px 22px; }
}

/* ================================================================
   HERO
   ================================================================ */
.hero {
  min-height: 100vh;
  background: var(--slate);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: calc(var(--nav-height) + 60px) 24px 80px;
  text-align: center;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,119,255,0.15) 0%, transparent 65%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 120px;
  background: linear-gradient(to bottom, transparent, var(--slate));
  pointer-events: none;
}
.hero-logo     { width: 100px; margin: 0 auto 32px; position: relative; z-index: 1; }
.hero h1 {
  font-family: var(--font-sans);
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.18;
  max-width: 840px;
  margin-bottom: 24px;
  position: relative; z-index: 1;
}
.hero h1 em { color: var(--cyan); font-style: normal; }
.hero-tagline {
  font-size: clamp(1rem, 1.8vw, 1.18rem);
  color: rgba(255,255,255,0.65);
  max-width: 600px;
  margin-bottom: 48px;
  line-height: 1.75;
  position: relative; z-index: 1;
}
.hero-ctas {
  display: flex; gap: 16px; flex-wrap: wrap; justify-content: center;
  margin-bottom: 72px;
  position: relative; z-index: 1;
}
.hero-stats {
  display: flex; gap: 48px; flex-wrap: wrap; justify-content: center;
  position: relative; z-index: 1;
  border-top: 1px solid rgba(0,180,216,0.18);
  padding-top: 48px;
}
.hero-stat .num {
  font-family: var(--font-sans);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}
.hero-stat .label {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.48);
  margin-top: 6px;
}

/* ================================================================
   TICKER STRIP
   ================================================================ */
.strip {
  background: var(--cyan);
  padding: 12px 0;
  overflow: hidden;
  white-space: nowrap;
}
.strip-inner {
  display: inline-flex; gap: 48px;
  animation: marquee 28s linear infinite;
}
.strip-inner span {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
}
.strip-inner span::before { content: '·  '; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ================================================================
   ABOUT / MISSION
   ================================================================ */
.about {
  background: var(--off-white);
  padding: 96px 0;
}
.about .intro {
  max-width: 760px;
  margin-bottom: 64px;
}
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.why-card {
  background: var(--white);
  border: 1px solid var(--light-gray);
  border-top: 3px solid var(--cyan);
  border-radius: 6px;
  padding: 32px 28px;
}
.why-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--slate);
  margin-bottom: 10px;
}
.why-card p { font-size: 0.95rem; color: #555; line-height: 1.7; }

@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .about-grid { grid-template-columns: 1fr; } }

/* ================================================================
   DEVELOPER TOOLS
   ================================================================ */
.dev-tools {
  background: var(--white);
  padding: 96px 0;
}
.dev-tools .intro {
  max-width: 760px;
  margin-bottom: 64px;
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.product-card {
  border: 1px solid var(--light-gray);
  border-radius: 6px;
  padding: 32px 28px;
  background: var(--white);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.product-card:hover {
  border-color: var(--cyan);
  box-shadow: 0 4px 24px rgba(0,180,216,0.10);
}
.product-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(0,180,216,0.08);
  border: 1px solid rgba(0,180,216,0.22);
  border-radius: 3px;
  padding: 3px 10px;
  margin-bottom: 14px;
}
.product-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--slate);
  margin-bottom: 8px;
  font-family: var(--font-mono);
}
.product-card p { font-size: 0.94rem; color: #555; line-height: 1.7; }

@media (max-width: 700px) { .products-grid { grid-template-columns: 1fr; } }

/* ================================================================
   PLATFORM
   ================================================================ */
.platform {
  background: var(--slate);
  padding: 96px 0;
}
.platform-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.platform-text p { color: rgba(255,255,255,0.72); line-height: 1.8; margin-bottom: 16px; }
.platform-text p:last-of-type { margin-bottom: 32px; }
.platform-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.pf-item {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(0,180,216,0.15);
  border-radius: 6px;
  padding: 22px 20px;
}
.pf-item h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 6px;
  font-family: var(--font-mono);
}
.pf-item p { font-size: 0.84rem; color: rgba(255,255,255,0.55); line-height: 1.6; }

@media (max-width: 900px) {
  .platform-inner { grid-template-columns: 1fr; gap: 48px; }
}
@media (max-width: 600px) {
  .platform-features { grid-template-columns: 1fr; }
}

/* ================================================================
   SAAS VERTICALS
   ================================================================ */
.verticals {
  background: var(--off-white);
  padding: 96px 0;
}
.verticals .intro { max-width: 760px; margin-bottom: 64px; }
.verticals-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.vertical-card {
  background: var(--white);
  border: 1px solid var(--light-gray);
  border-radius: 6px;
  padding: 36px 28px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.vertical-card:hover {
  border-color: var(--cyan);
  box-shadow: 0 4px 24px rgba(0,180,216,0.10);
}
.vertical-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 20px;
  padding: 4px 12px;
  margin-bottom: 16px;
}
.vertical-badge.live    { background: #e6faf0; color: #1a7a4a; border: 1px solid #a8dfc0; }
.vertical-badge.coming  { background: #e8f4ff; color: #1a5aa8; border: 1px solid #a8c8f0; }
.vertical-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--slate);
  margin-bottom: 6px;
  font-family: var(--font-mono);
}
.vertical-card .vertical-niche {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #888;
  margin-bottom: 14px;
}
.vertical-card p { font-size: 0.94rem; color: #555; line-height: 1.7; }

@media (max-width: 900px) { .verticals-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .verticals-grid { grid-template-columns: 1fr; } }

/* Asticou Intelligence add-on callout */
.ai-addon-callout {
  margin-top: 56px;
  background: linear-gradient(135deg, var(--slate) 0%, #0d2a40 100%);
  border-radius: 10px;
  padding: 48px 40px;
  border: 1px solid rgba(0,180,216,0.25);
}
.ai-addon-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
}
.ai-addon-text .section-label { color: var(--cyan); }
.ai-addon-text h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin: 8px 0 14px;
  font-family: var(--font-mono);
}
.ai-addon-text p { font-size: 0.95rem; color: rgba(255,255,255,0.7); line-height: 1.7; max-width: 540px; }
.ai-addon-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  min-width: 320px;
}
.ai-addon-item {
  background: rgba(0,180,216,0.1);
  border: 1px solid rgba(0,180,216,0.25);
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.8);
  font-family: var(--font-mono);
}
@media (max-width: 900px) {
  .ai-addon-inner { grid-template-columns: 1fr; }
  .ai-addon-features { min-width: 0; }
}
@media (max-width: 600px) {
  .ai-addon-callout { padding: 32px 24px; }
  .ai-addon-features { grid-template-columns: 1fr; }
}

/* ================================================================
   HOW WE BUILD
   ================================================================ */
.how-we-build {
  background: var(--white);
  padding: 96px 0;
}
.how-we-build .intro { max-width: 760px; margin-bottom: 64px; }
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step {
  border-top: 3px solid var(--cyan);
  padding-top: 24px;
}
.step-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: rgba(0,180,216,0.25);
  margin-bottom: 12px;
}
.step h4 { font-size: 1rem; font-weight: 700; color: var(--slate); margin-bottom: 8px; }
.step p  { font-size: 0.9rem; color: #666; line-height: 1.7; }

@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 550px) { .steps { grid-template-columns: 1fr; } }

/* ================================================================
   MAILING LIST SIGNUP
   ================================================================ */
.signup {
  background: var(--slate-mid);
  padding: 96px 0;
}
.signup-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.signup-text p { color: rgba(255,255,255,0.70); line-height: 1.8; margin-bottom: 14px; }
.signup-benefits {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.signup-benefits li {
  color: rgba(255,255,255,0.65);
  font-size: 0.94rem;
  padding-left: 18px;
  position: relative;
}
.signup-benefits li::before {
  content: '→';
  position: absolute; left: 0;
  color: var(--cyan);
}
.signup-box {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(0,180,216,0.22);
  border-radius: 8px;
  padding: 36px 32px;
}
.signup-box h3 { color: var(--white); font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; }
.signup-box .sub { color: rgba(255,255,255,0.55); font-size: 0.9rem; margin-bottom: 24px; }

@media (max-width: 900px) {
  .signup-inner { grid-template-columns: 1fr; gap: 48px; }
}

/* ================================================================
   FOOTER
   ================================================================ */
.site-footer { background: var(--slate-dark); padding: 64px 0 0; }
.footer-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand img      { height: 48px; width: auto; margin-bottom: 20px; }
.footer-brand p        { color: rgba(255,255,255,0.48); font-size: 0.875rem; line-height: 1.8; max-width: 320px; }
.footer-tagline        { color: rgba(255,255,255,0.3) !important; font-style: italic; margin-top: 12px; }
.footer-social         { display: flex; gap: 14px; margin-top: 24px; }
.footer-social a       { color: rgba(255,255,255,0.4); font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; transition: color 0.2s; }
.footer-social a:hover { color: var(--cyan); text-decoration: none; }

.footer-col h4 { color: var(--white); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { color: rgba(255,255,255,0.48); font-size: 0.875rem; transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--cyan); text-decoration: none; }

.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  padding: 24px 0;
}
.footer-bottom p   { color: rgba(255,255,255,0.3); font-size: 0.8rem; }
.footer-bottom div { display: flex; gap: 24px; }
.footer-bottom a   { color: rgba(255,255,255,0.3); font-size: 0.8rem; transition: color 0.2s; }
.footer-bottom a:hover { color: var(--white); text-decoration: none; }

@media (max-width: 960px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}