/*
Theme Name: Drilling Sentinel
Theme URI: https://example.com/
Author: Codex
Description: A bold, modern landing site for AI Drilling Sentinel.
Version: 1.0
*/

:root {
  --bg: #0b1115;
  --bg-alt: #0f171d;
  --surface: #111b22;
  --surface-2: #17232c;
  --surface-3: #1b2a34;
  --line: #24333b;
  --ink: #e8f1f4;
  --muted: #9fb2bb;
  --accent: #4ad1c0;
  --accent-2: #f4b54e;
  --accent-3: #5aa7ff;
  --shadow: 0 30px 70px rgba(0, 0, 0, 0.4);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top, #142029 0%, #0b1115 45%, #070a0d 100%);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: linear-gradient(transparent 95%, rgba(255, 255, 255, 0.04) 95%),
    linear-gradient(90deg, transparent 95%, rgba(255, 255, 255, 0.04) 95%);
  background-size: 36px 36px;
  opacity: 0.3;
  pointer-events: none;
  z-index: -2;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.screen-reader-text:focus {
  position: static;
  width: auto;
  height: auto;
  margin: 16px;
  padding: 10px 16px;
  background: var(--surface);
  border-radius: 12px;
  display: inline-block;
}

.site {
  overflow-x: hidden;
}

.container {
  width: min(1200px, 90%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(11, 17, 21, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 20px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-weight: 600;
  letter-spacing: 0.4px;
}

.brand-logo {
  display: block;
  width: clamp(120px, 14vw, 180px);
  height: auto;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: conic-gradient(from 130deg, var(--accent), var(--accent-3), var(--accent-2), var(--accent));
  box-shadow: 0 10px 30px rgba(74, 209, 192, 0.35);
}

.brand-text {
  font-size: 1.1rem;
}

.footer-brand .brand-logo {
  width: min(220px, 100%);
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: 22px;
  font-size: 0.95rem;
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-actions {
  display: flex;
  gap: 12px;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.9rem;
}

.mobile-menu {
  display: none;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 12px 0 20px;
}

.mobile-menu a {
  display: block;
  padding: 10px 0;
  color: var(--muted);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  will-change: transform;
}

.button.primary {
  background: linear-gradient(130deg, var(--accent) 0%, var(--accent-3) 100%);
  color: #071014;
  box-shadow: 0 16px 40px rgba(74, 209, 192, 0.35);
}

.button.ghost {
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.05);
}

.button:hover {
  transform: translateY(-2px);
}

.hero {
  padding: 110px 0 80px;
  position: relative;
}

.invest-hero .hero-copy p {
  max-width: 620px;
}

.hero::after {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(90, 167, 255, 0.25), transparent 70%);
  top: -120px;
  right: -200px;
  z-index: -1;
  filter: blur(20px);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(74, 209, 192, 0.12);
  color: var(--accent);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.3px;
}

.hero h1 {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: clamp(2.8rem, 4vw, 4.4rem);
  line-height: 1.05;
  margin: 18px 0 16px;
}

.hero p {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.highlight {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 16px;
  border-radius: 14px;
}

.highlight .value {
  display: block;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 1.15rem;
}

.highlight .label {
  color: var(--muted);
  font-size: 0.85rem;
}

.hero-visual {
  position: relative;
  background: linear-gradient(160deg, rgba(90, 167, 255, 0.2), rgba(74, 209, 192, 0.15));
  background-size: 200% 200%;
  background-position: 0% 50%;
  border-radius: var(--radius-lg);
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: -60px;
  background: radial-gradient(circle at 30% 30%, rgba(244, 181, 78, 0.15), transparent 60%);
  opacity: 0.6;
  animation: float 8s ease-in-out infinite;
  pointer-events: none;
}

.hero-visual > * {
  position: relative;
  z-index: 1;
}

.signal-card {
  background: rgba(7, 16, 20, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin-bottom: 18px;
}

.signal-label {
  margin: 0 0 12px;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
}

.signal-card h3 {
  margin: 0 0 6px;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 1.05rem;
}

.signal-card span {
  color: var(--muted);
  font-size: 0.9rem;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  position: relative;
  overflow: hidden;
}

.signal-grid::after {
  content: "";
  position: absolute;
  inset: -20% auto -20% -60%;
  width: 60%;
  background: linear-gradient(
    120deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.12) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  opacity: 0.35;
  transform: skewX(-20deg);
  animation: signalSweep 7s ease-in-out infinite;
  pointer-events: none;
}

.signal-item {
  background: rgba(255, 255, 255, 0.06);
  padding: 16px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  color: var(--muted);
}

.signal-item strong {
  display: block;
  color: var(--ink);
  margin-bottom: 6px;
}

.invest-thesis .signal-item {
  min-height: 124px;
}

.section {
  padding: 90px 0;
}

.section.alt {
  background: var(--bg-alt);
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 40px;
}

.section-title h2 {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: clamp(2rem, 3vw, 3rem);
  margin: 0;
}

.section-title p {
  color: var(--muted);
  max-width: 420px;
}

.logo-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  margin-top: 40px;
}

.logo {
  padding: 16px;
  text-align: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-size: 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.card {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

.card h3 {
  margin: 0 0 12px;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
}

.card p {
  margin: 0 0 18px;
  color: var(--muted);
}

.tag {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(244, 181, 78, 0.15);
  color: var(--accent-2);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.4px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.step {
  background: var(--surface-2);
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.step span {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(90, 167, 255, 0.15);
  color: var(--accent-3);
  font-weight: 600;
  margin-bottom: 16px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.feature {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 14px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.9rem;
}

.feature strong {
  display: block;
  margin-bottom: 8px;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
  align-items: center;
}

.panel {
  background: var(--surface-3);
  padding: 28px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.panel ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.panel li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 12px;
  color: var(--muted);
}

.panel li::before {
  content: "●";
  color: var(--accent);
  font-size: 0.65rem;
  line-height: 1.4;
}

.case {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 30px;
  background: linear-gradient(140deg, rgba(74, 209, 192, 0.16), rgba(90, 167, 255, 0.18));
  border-radius: var(--radius-lg);
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.case .metrics {
  display: grid;
  gap: 16px;
}

.metric {
  background: rgba(7, 16, 20, 0.6);
  padding: 16px 18px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.metric strong {
  display: block;
  font-size: 1rem;
}

.invest-numbers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.pricing {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.price-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
}

.price-card.popular {
  border: 1px solid rgba(74, 209, 192, 0.4);
  box-shadow: 0 22px 60px rgba(74, 209, 192, 0.2);
}

.price-card h3 {
  margin-top: 0;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
}

.price-card .price {
  font-size: 1.8rem;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  margin: 16px 0 12px;
}

.price-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: grid;
  gap: 10px;
  color: var(--muted);
}

.faq {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.faq-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.cta {
  text-align: center;
  padding: 80px 0;
}

.cta-card {
  background: linear-gradient(140deg, rgba(90, 167, 255, 0.2), rgba(244, 181, 78, 0.2));
  padding: 50px 40px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-card h2 {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: clamp(2rem, 3vw, 3rem);
  margin-top: 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 30px;
  margin-top: 40px;
}

.contact-card {
  background: var(--surface-2);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.contact-card form {
  display: grid;
  gap: 14px;
}

.contact-card input,
.contact-card textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(7, 16, 20, 0.6);
  color: var(--ink);
  font-family: inherit;
}

.contact-card textarea {
  min-height: 120px;
  resize: vertical;
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.form-status {
  margin: 6px 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.contact-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
  color: var(--muted);
}

.contact-card li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 12px;
}

.contact-card li::before {
  content: "●";
  color: var(--accent-2);
  font-size: 0.65rem;
  line-height: 1.5;
}

.site-footer {
  padding: 40px 0 60px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: 0.9rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
}

.social-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.post-hero {
  max-width: 860px;
  margin: 0 auto 28px;
}

.post-hero h1 {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: clamp(2.3rem, 4vw, 3.4rem);
  line-height: 1.1;
  margin: 16px 0 12px;
}

.post-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.post-back::before {
  content: "<-";
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.post-dot {
  color: var(--accent);
}

.post-content {
  max-width: 860px;
  margin: 0 auto;
  color: var(--ink);
}

.post-content p {
  color: var(--muted);
}

.post-content h2,
.post-content h3,
.post-content h4 {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  margin-top: 32px;
}

.post-content a {
  color: var(--accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 24px;
}

.footer-grid h4 {
  color: var(--ink);
  margin-top: 0;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
}

.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s ease, transform 0.7s ease;
}

html.motion-ready .reveal {
  opacity: 0;
  transform: translateY(24px);
}

html.motion-ready .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(18px);
  }
  100% {
    transform: translateY(0px);
  }
}

@keyframes signalSweep {
  0% {
    transform: translateX(0%) skewX(-20deg);
  }
  50% {
    transform: translateX(160%) skewX(-20deg);
  }
  100% {
    transform: translateX(260%) skewX(-20deg);
  }
}

@media (max-width: 1080px) {
  .hero-grid,
  .split,
  .case,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .logo-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .invest-numbers {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .nav {
    grid-template-columns: auto 1fr auto;
  }

  .nav-links,
  .nav-actions {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .brand-logo {
    width: clamp(110px, 34vw, 150px);
  }

  .mobile-menu.is-open {
    display: block;
  }

  .card-grid,
  .steps,
  .pricing,
  .faq {
    grid-template-columns: 1fr;
  }

  .hero-highlights {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 90px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .logo-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}