/* C.B.S. Tech & Home Solutions Ltd. — Antigravity Design System */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@200;300;400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* ==========================================================================
   DESIGN TOKENS & VARIABLES
   ========================================================================== */
:root {
  /* Ultra-dark Obsidian & Onyx palette */
  --bg-onyx: #050505;
  --bg-charcoal: #0c0c0d;
  --bg-card: rgba(15, 15, 17, 0.4);
  
  /* Brand Energy Accents (Metallic Gold & Muted Orange-Red) */
  --color-accent-red: #de400e;
  --color-accent-red-glow: rgba(222, 64, 14, 0.25);
  --color-accent-gold: #d4af37;
  --color-accent-gold-glow: rgba(212, 175, 55, 0.15);
  
  /* Text scales */
  --text-primary: #f5f5f7;
  --text-muted: #8e8e93;
  --text-dim: #48484a;

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Easing and durations */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: all 0.8s var(--ease-out-expo);
  --transition-medium: all 0.5s var(--ease-out-expo);
  --transition-fast: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   RESET & FOUNDATIONS
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  background-color: var(--bg-onyx);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  background-color: var(--bg-onyx);
  line-height: 1.625;
  letter-spacing: -0.01em;
}

/* Custom minimal scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-onyx);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  transition: var(--transition-fast);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-red);
}

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

/* ==========================================================================
   ATMOSPHERIC CANVASES & GLOWS
   ========================================================================== */
#ambient-glow-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  mix-blend-mode: screen;
}

.aurora-blur {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
  mix-blend-mode: screen;
}
.aurora-1 {
  top: -10%;
  right: 5%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, var(--color-accent-red) 0%, transparent 80%);
}
.aurora-2 {
  bottom: 10%;
  left: -5%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(17, 12, 110, 0.4) 0%, transparent 80%);
}
.aurora-3 {
  top: 40%;
  right: -10%;
  width: 45vw;
  height: 45vw;
  background: radial-gradient(circle, var(--color-accent-gold-glow) 0%, transparent 85%);
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.navigation-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 90px;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 4.5rem;
  mix-blend-mode: difference;
}

.brand-sig {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-sig span {
  font-weight: 600;
  color: var(--color-accent-red);
}

.nav-links {
  display: flex;
  gap: 3rem;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  letter-spacing: 0.2em;
}

@media (max-width: 768px) {
  .navigation-bar {
    padding: 0 2rem;
  }
  .nav-links {
    display: none;
  }
}

/* ==========================================================================
   LAYOUT CONTAINERS & FLOW
   ========================================================================== */
.fluid-container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 6rem;
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {
  .fluid-container {
    padding: 0 2rem;
  }
}

/* ==========================================================================
   1. HERO SECTION (THE IMPRESSION)
   ========================================================================== */
.hero-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 120px;
}

.hero-wrapper {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  min-height: 70vh;
}

.hero-tag {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.4em;
  color: var(--color-accent-red);
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1.2s var(--ease-out-expo) forwards;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 7vw, 7.5rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  margin-bottom: 3.5rem;
  opacity: 0;
  transform: translateY(40px);
  animation: fadeUp 1.6s var(--ease-out-expo) 0.15s forwards;
}

.hero-title em {
  font-style: italic;
  font-weight: 200;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.85);
}

.hero-cta-wrapper {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 1.8s var(--ease-out-expo) 0.3s forwards;
  position: relative;
  z-index: 10;
}

/* Floating Sleek CTA */
.btn-floating {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--text-primary);
  background: transparent;
  padding: 1.2rem 2.8rem;
  border-radius: 100px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  position: relative;
  overflow: hidden;
  transition: var(--transition-slow);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.btn-floating::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 140%;
  height: 140%;
  background: radial-gradient(circle, var(--color-accent-red-glow) 0%, transparent 60%);
  transform: translate(-50%, -50%) scale(0);
  transition: var(--transition-slow);
  z-index: -1;
  pointer-events: none;
}

.btn-floating:hover {
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-5px);
  box-shadow: 0 10px 40px rgba(222, 64, 14, 0.15);
  letter-spacing: 0.3em;
}

.btn-floating:hover::before {
  transform: translate(-50%, -50%) scale(1);
}

.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  animation: pulseHint 2s infinite ease-in-out;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-dim), transparent);
}

/* ==========================================================================
   2. PILLARS OF SERVICE (THE CAPABILITIES)
   ========================================================================== */
.pillars-section {
  padding: 12vw 0;
  position: relative;
}

.pillars-header {
  margin-bottom: 8vw;
  max-width: 600px;
}

.pillars-tag {
  font-family: var(--font-display);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--color-accent-gold);
  margin-bottom: 1.5rem;
  display: inline-block;
}

.pillars-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

/* Fluid Asymmetrical Card Grid */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8rem 6rem;
  position: relative;
}

.pillar-card {
  display: flex;
  flex-direction: column;
  position: relative;
  background: transparent;
  padding: 2rem 0;
  transition: var(--transition-slow);
  cursor: pointer;
  z-index: 2;
}

/* Offsetting for Asymmetry */
.pillar-card:nth-child(even) {
  margin-top: 6rem;
}

/* Hover Parallax Card Details */
.pillar-index {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  color: var(--text-dim);
  line-height: 1;
  margin-bottom: 1.5rem;
  transition: var(--transition-medium);
  letter-spacing: -0.04em;
}

.pillar-name {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.6rem, 2.5vw, 2.4rem);
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  transition: var(--transition-medium);
  display: flex;
  align-items: center;
  gap: 15px;
}

.pillar-arrow {
  width: 24px;
  height: 24px;
  stroke: var(--text-dim);
  stroke-width: 1.5;
  fill: none;
  opacity: 0;
  transform: translateX(-15px);
  transition: var(--transition-medium);
}

.pillar-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 440px;
  font-weight: 300;
  line-height: 1.7;
  transition: var(--transition-medium);
}

/* Subtle, Weightless Background Grid Line */
.pillar-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, rgba(255, 255, 255, 0.05), transparent);
  transition: var(--transition-slow);
}

/* Interactive States */
.pillar-card:hover .pillar-index {
  color: var(--color-accent-red);
  transform: translateY(-8px);
}

.pillar-card:hover .pillar-name {
  color: var(--text-primary);
  transform: translateY(-4px);
}

.pillar-card:hover .pillar-arrow {
  opacity: 1;
  transform: translateX(0);
  stroke: var(--color-accent-red);
}

.pillar-card:hover .pillar-desc {
  color: var(--text-primary);
}

.pillar-card:hover::after {
  background: linear-gradient(to right, var(--color-accent-red-glow), transparent);
}

@media (max-width: 992px) {
  .pillars-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  .pillar-card:nth-child(even) {
    margin-top: 0;
  }
  .pillar-card {
    padding: 1.5rem 0;
  }
}

/* ==========================================================================
   3. THE INSPECTION REQUEST (THE INTERACTION)
   ========================================================================== */
.interaction-section {
  padding: 12vw 0;
  position: relative;
}

.interaction-wrapper {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 5;
}

.interaction-tag {
  font-family: var(--font-display);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--color-accent-red);
  margin-bottom: 2rem;
  display: block;
}

.interaction-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 3.5vw, 3.5rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 4rem;
}

/* Conversation/Statement Form Layout */
.frictionless-gateway {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 2.5rem);
  font-weight: 300;
  line-height: 1.8;
  color: var(--text-muted);
}

.statement-line {
  display: inline;
}

.interactive-placeholder {
  display: inline-block;
  position: relative;
  color: var(--text-primary);
  border-bottom: 1px dashed rgba(255, 255, 255, 0.3);
  cursor: pointer;
  padding: 0 4px;
  transition: var(--transition-fast);
}

.interactive-placeholder:hover {
  color: var(--color-accent-red);
  border-bottom-color: var(--color-accent-red);
}

/* Minimal text input box hidden inside statement line */
.interactive-input {
  background: transparent;
  border: none;
  font-family: var(--font-display);
  font-size: inherit;
  font-weight: 400;
  color: var(--text-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0 6px;
  width: 180px;
  transition: var(--transition-medium);
  vertical-align: baseline;
}

.interactive-input:focus {
  outline: none;
  border-bottom-color: var(--color-accent-red);
  width: 260px;
}

/* Minimal dropdown selector inside statement line */
.interactive-select {
  background: var(--bg-onyx);
  border: none;
  font-family: var(--font-display);
  font-size: inherit;
  font-weight: 400;
  color: var(--text-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0 4px;
  cursor: pointer;
  transition: var(--transition-medium);
  vertical-align: baseline;
}

.interactive-select:focus {
  outline: none;
  border-bottom-color: var(--color-accent-red);
}

/* Statement submit trigger */
.gateway-submit-container {
  margin-top: 4.5rem;
  display: flex;
  align-items: center;
  gap: 20px;
}

.gateway-submit-btn {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--bg-onyx);
  background: var(--text-primary);
  border: none;
  padding: 1.2rem 3rem;
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition-medium);
  display: flex;
  align-items: center;
  gap: 12px;
}

.gateway-submit-btn svg {
  width: 16px;
  height: 16px;
  stroke: var(--bg-onyx);
  stroke-width: 2.5;
  fill: none;
  transition: var(--transition-fast);
}

.gateway-submit-btn:hover {
  background: var(--color-accent-red);
  color: var(--text-primary);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(222, 64, 14, 0.3);
}

.gateway-submit-btn:hover svg {
  stroke: var(--text-primary);
  transform: translateX(5px);
}

.gateway-status-msg {
  font-size: 0.95rem;
  font-family: var(--font-body);
  color: var(--color-accent-gold);
  opacity: 0;
  transition: var(--transition-medium);
}

.gateway-status-msg.visible {
  opacity: 1;
}

@media (max-width: 768px) {
  .frictionless-gateway {
    font-size: 1.25rem;
    line-height: 2.2;
  }
  .interactive-input {
    width: 100%;
    margin: 8px 0;
    display: block;
  }
  .interactive-select {
    width: 100%;
    margin: 8px 0;
    display: block;
  }
  .gateway-submit-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }
}

/* ==========================================================================
   4. FOOTER (THE STANDARD)
   ========================================================================== */
.footer-section {
  padding: 8vw 0 4vw 0;
  position: relative;
  z-index: 1;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 6rem;
  margin-bottom: 6vw;
}

.footer-sig-text {
  max-width: 420px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 2rem;
}

.footer-logo span {
  color: var(--color-accent-red);
}

.footer-sig-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 300;
  line-height: 1.7;
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  margin-bottom: 2rem;
}

.footer-col-links {
  list-style: none;
}

.footer-col-links li {
  margin-bottom: 1rem;
}

.footer-col-links a {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.footer-col-links a:hover {
  color: var(--text-primary);
  padding-left: 5px;
}

.footer-contact-item {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1.25rem;
  max-width: 250px;
}

.footer-contact-item a {
  transition: var(--transition-fast);
}

.footer-contact-item a:hover {
  color: var(--color-accent-red);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 3vw;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-weight: 300;
}

.footer-signature-standard {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.4em;
  color: var(--text-dim);
  text-align: right;
  transition: var(--transition-medium);
}

.footer-signature-standard:hover {
  color: var(--color-accent-gold);
}

@media (max-width: 992px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
  }
  .footer-signature-standard {
    text-align: left;
  }
}

/* ==========================================================================
   ANIMATIONS & KEYFRAMES
   ========================================================================== */
@keyframes fadeUp {
  0% {
    opacity: 0;
    transform: translateY(40px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulseHint {
  0%, 100% {
    opacity: 0.4;
    transform: translate(-50%, 0);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, 8px);
  }
}