/*
Theme Name: Keswick Technology
Theme URI: https://keswick.tech
Author: Keswick Technology
Author URI: https://keswick.tech
Description: Custom theme for Keswick Technology - AI Advisory & Consulting
Version: 1.0.0
License: Proprietary
Text Domain: keswick
*/

/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */
:root {
  --kw-blue-900: #0a1628;
  --kw-blue-800: #0f2240;
  --kw-blue-700: #142e54;
  --kw-blue-600: #1a3a68;
  --kw-blue-500: #1e4d8c;
  --kw-blue-400: #2a6cb8;
  --kw-blue-300: #4a90d9;
  --kw-blue-200: #7eb3e8;
  --kw-blue-100: #b8d4f2;
  --kw-blue-50:  #e8f1fb;

  --kw-accent: #3b9eff;
  --kw-accent-glow: rgba(59, 158, 255, 0.3);

  --kw-gray-900: #111827;
  --kw-gray-700: #374151;
  --kw-gray-500: #6b7280;
  --kw-gray-300: #d1d5db;
  --kw-gray-100: #f3f4f6;
  --kw-white: #ffffff;

  --kw-font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --kw-font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  --kw-max-width: 1200px;
  --kw-header-height: 80px;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--kw-font-primary);
  color: var(--kw-gray-100);
  background-color: var(--kw-blue-900);
  line-height: 1.7;
  overflow-x: hidden;
}

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

a {
  color: var(--kw-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--kw-blue-200);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--kw-white);
  letter-spacing: -0.01em;
}

h1 { font-size: 3.2rem; margin-bottom: 1.5rem; }
h2 { font-size: 2.2rem; margin-bottom: 1.2rem; }
h3 { font-size: 1.6rem; margin-bottom: 1rem; }
h4 { font-size: 1.2rem; margin-bottom: 0.8rem; }

p {
  margin-bottom: 1.2rem;
  color: var(--kw-gray-300);
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.kw-container {
  width: 100%;
  max-width: var(--kw-max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.kw-section {
  padding: 6rem 0;
  position: relative;
}

.kw-section--dark {
  background: var(--kw-blue-900);
}

.kw-section--medium {
  background: var(--kw-blue-800);
}

.kw-section--gradient {
  background: linear-gradient(180deg, var(--kw-blue-900) 0%, var(--kw-blue-800) 100%);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.kw-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--kw-header-height);
  z-index: 1000;
  background: rgba(10, 22, 40, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(59, 158, 255, 0.08);
  transition: background 0.3s ease;
}

.kw-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--kw-max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.kw-header__logo {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--kw-white);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.kw-header__logo span {
  color: var(--kw-accent);
  font-weight: 400;
}

.kw-nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.kw-nav a {
  color: var(--kw-gray-300);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  transition: color 0.2s ease;
  position: relative;
}

.kw-nav a:hover,
.kw-nav a.current {
  color: var(--kw-white);
}

.kw-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--kw-accent);
  transition: width 0.3s ease;
}

.kw-nav a:hover::after,
.kw-nav a.current::after {
  width: 100%;
}

.kw-nav__cta {
  padding: 0.5rem 1.2rem;
  background: transparent;
  border: 1px solid var(--kw-accent);
  border-radius: 4px;
  color: var(--kw-accent) !important;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: all 0.2s ease;
}

.kw-nav__cta:hover {
  background: var(--kw-accent);
  color: var(--kw-white) !important;
}

/* Mobile nav toggle */
.kw-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.kw-nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--kw-white);
  margin: 5px 0;
  transition: all 0.3s ease;
}

/* ============================================
   HERO SECTION
   ============================================ */
.kw-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: var(--kw-header-height);
  overflow: hidden;
}

.kw-hero__content {
  position: relative;
  z-index: 2;
  max-width: 640px;
}

.kw-hero__tagline {
  font-size: 3.6rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--kw-white);
}

.kw-hero__tagline em {
  font-style: normal;
  color: var(--kw-accent);
}

.kw-hero__subtitle {
  font-size: 1.15rem;
  color: var(--kw-gray-300);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 520px;
}

.kw-hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

/* ============================================
   SCAN LINE EFFECT
   ============================================ */
.kw-scanline-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(10, 22, 40, 0.03) 2px,
    rgba(10, 22, 40, 0.03) 4px
  );
  opacity: 0.4;
}

/* ============================================
   ROBOT ARM SVG CONTAINER
   ============================================ */
.kw-robot-arm {
  position: relative;
  width: 100%;
  max-width: 500px;
  aspect-ratio: 1;
  margin: 0 auto;
}

.kw-robot-arm svg {
  width: 100%;
  height: 100%;
}

/* Force-torque readout */
.kw-readout {
  position: absolute;
  bottom: 10%;
  right: 0;
  background: rgba(10, 22, 40, 0.85);
  border: 1px solid rgba(59, 158, 255, 0.2);
  border-radius: 4px;
  padding: 0.8rem 1rem;
  font-family: var(--kw-font-mono);
  font-size: 0.7rem;
  color: var(--kw-accent);
  line-height: 1.8;
  min-width: 180px;
}

.kw-readout__label {
  color: var(--kw-gray-500);
  text-transform: uppercase;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  margin-bottom: 0.3rem;
}

.kw-readout__row {
  display: flex;
  justify-content: space-between;
}

.kw-readout__value {
  color: var(--kw-blue-200);
}

/* ============================================
   NEURAL NETWORK VISUALIZATION
   ============================================ */
.kw-neural-net {
  position: relative;
  width: 100%;
  padding: 4rem 0;
}

.kw-neural-net canvas {
  width: 100%;
  height: 300px;
  display: block;
}

/* ============================================
   CAPABILITIES / SERVICES CARDS
   ============================================ */
.kw-capabilities {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.kw-card {
  background: rgba(15, 34, 64, 0.6);
  border: 1px solid rgba(59, 158, 255, 0.08);
  border-radius: 6px;
  padding: 2rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.kw-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--kw-accent), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.kw-card:hover {
  border-color: rgba(59, 158, 255, 0.2);
  transform: translateY(-2px);
}

.kw-card:hover::before {
  opacity: 1;
}

.kw-card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.2rem;
  color: var(--kw-accent);
}

.kw-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  color: var(--kw-white);
}

.kw-card__desc {
  font-size: 0.9rem;
  color: var(--kw-gray-500);
  line-height: 1.6;
}

/* ============================================
   CREDENTIALS / METRICS BAR
   ============================================ */
.kw-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: 3rem 0;
  border-top: 1px solid rgba(59, 158, 255, 0.08);
  border-bottom: 1px solid rgba(59, 158, 255, 0.08);
}

.kw-metric {
  text-align: center;
}

.kw-metric__value {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--kw-accent);
  font-family: var(--kw-font-mono);
}

.kw-metric__label {
  font-size: 0.8rem;
  color: var(--kw-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0.3rem;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.kw-about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.kw-about__text p {
  font-size: 1.05rem;
  line-height: 1.8;
}

.kw-about__sidebar {
  background: rgba(15, 34, 64, 0.4);
  border: 1px solid rgba(59, 158, 255, 0.1);
  border-radius: 6px;
  padding: 2rem;
}

.kw-about__sidebar h4 {
  font-family: var(--kw-font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--kw-accent);
  margin-bottom: 1.2rem;
}

.kw-about__list {
  list-style: none;
}

.kw-about__list li {
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(59, 158, 255, 0.06);
  font-size: 0.9rem;
  color: var(--kw-gray-300);
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.kw-about__list li::before {
  content: '\2022';
  color: var(--kw-accent);
  font-weight: bold;
  flex-shrink: 0;
}

/* ============================================
   BLOG GATE
   ============================================ */
.kw-blog-gate {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
  padding: 4rem 2rem;
}

.kw-blog-gate__input-group {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.kw-blog-gate__input {
  flex: 1;
  padding: 0.75rem 1rem;
  background: rgba(15, 34, 64, 0.6);
  border: 1px solid rgba(59, 158, 255, 0.15);
  border-radius: 4px;
  color: var(--kw-white);
  font-family: var(--kw-font-mono);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.kw-blog-gate__input:focus {
  border-color: var(--kw-accent);
}

.kw-blog-gate__input::placeholder {
  color: var(--kw-gray-500);
}

/* ============================================
   CONSULTATION FORM
   ============================================ */
.kw-form {
  max-width: 600px;
  margin: 0 auto;
}

.kw-form__group {
  margin-bottom: 1.5rem;
}

.kw-form__label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--kw-gray-500);
  margin-bottom: 0.4rem;
}

.kw-form__input,
.kw-form__textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(15, 34, 64, 0.5);
  border: 1px solid rgba(59, 158, 255, 0.12);
  border-radius: 4px;
  color: var(--kw-white);
  font-family: var(--kw-font-primary);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.kw-form__input:focus,
.kw-form__textarea:focus {
  border-color: var(--kw-accent);
  box-shadow: 0 0 0 3px var(--kw-accent-glow);
}

.kw-form__textarea {
  min-height: 140px;
  resize: vertical;
}

/* ============================================
   BUTTONS
   ============================================ */
.kw-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  font-family: var(--kw-font-primary);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kw-btn--primary {
  background: var(--kw-accent);
  color: var(--kw-white);
}

.kw-btn--primary:hover {
  background: #2b8bef;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--kw-accent-glow);
}

.kw-btn--outline {
  background: transparent;
  color: var(--kw-accent);
  border: 1px solid var(--kw-accent);
}

.kw-btn--outline:hover {
  background: rgba(59, 158, 255, 0.08);
}

/* ============================================
   FOOTER
   ============================================ */
.kw-footer {
  padding: 3rem 0;
  border-top: 1px solid rgba(59, 158, 255, 0.06);
  background: var(--kw-blue-900);
}

.kw-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.kw-footer__copy {
  font-size: 0.8rem;
  color: var(--kw-gray-500);
}

.kw-footer__links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.kw-footer__links a {
  font-size: 0.8rem;
  color: var(--kw-gray-500);
}

.kw-footer__links a:hover {
  color: var(--kw-white);
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.kw-section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.kw-section-header__label {
  font-family: var(--kw-font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--kw-accent);
  margin-bottom: 0.8rem;
}

.kw-section-header h2 {
  margin-bottom: 1rem;
}

.kw-section-header p {
  font-size: 1.05rem;
  color: var(--kw-gray-500);
}

/* ============================================
   PAGE TEMPLATES
   ============================================ */

/* Interior page hero */
.kw-page-hero {
  padding: 10rem 0 4rem;
  text-align: center;
  background: linear-gradient(180deg, var(--kw-blue-900) 0%, var(--kw-blue-800) 100%);
}

.kw-page-hero h1 {
  font-size: 2.8rem;
}

.kw-page-hero p {
  max-width: 560px;
  margin: 0 auto;
  font-size: 1.1rem;
}

/* Services list */
.kw-services-list {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.kw-service-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 2rem;
  align-items: start;
  padding: 2rem;
  background: rgba(15, 34, 64, 0.3);
  border: 1px solid rgba(59, 158, 255, 0.06);
  border-radius: 6px;
  transition: border-color 0.3s ease;
}

.kw-service-item:hover {
  border-color: rgba(59, 158, 255, 0.15);
}

.kw-service-item__number {
  font-family: var(--kw-font-mono);
  font-size: 2.4rem;
  font-weight: 700;
  color: rgba(59, 158, 255, 0.15);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .kw-hero__grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

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

  .kw-about__grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  h1 { font-size: 2.4rem; }
  h2 { font-size: 1.8rem; }

  .kw-hero__tagline { font-size: 2.6rem; }

  .kw-nav { display: none; }
  .kw-nav.active { 
    display: flex; 
    flex-direction: column;
    position: absolute;
    top: var(--kw-header-height);
    left: 0;
    right: 0;
    background: var(--kw-blue-900);
    padding: 2rem;
    border-bottom: 1px solid rgba(59, 158, 255, 0.1);
  }
  .kw-nav-toggle { display: block; }

  .kw-capabilities {
    grid-template-columns: 1fr;
  }

  .kw-metrics {
    grid-template-columns: 1fr 1fr;
  }

  .kw-service-item {
    grid-template-columns: 1fr;
  }

  .kw-footer__inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .kw-section {
    padding: 4rem 0;
  }

  .kw-blog-gate__input-group {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .kw-hero__tagline { font-size: 2rem; }
  .kw-container { padding: 0 1.2rem; }
  .kw-metrics { grid-template-columns: 1fr; }
}