/* ==========================================================================
   MAIN STYLESHEET // ADARSH PORTFOLIO
   High-end Editorial Creative Direction & Growth Architecture
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700&family=Space+Mono:ital,wght@0,400;0,700;1,400&family=Syne:wght@500;600;700;800&display=swap');

:root {
  /* Color Palette */
  --bg-primary: #090A0D;
  --bg-secondary: #0F1015;
  --bg-tertiary: #161820;
  --bg-elevated: #1D1F2A;
  
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-active: rgba(255, 75, 38, 0.5);

  --text-primary: #F3F4F6;
  --text-secondary: #9DA1B2;
  --text-muted: #5E6375;
  --text-dim: #3B3F4E;

  /* Signature Accent - Vermillion / Flame (Used selectively on interaction) */
  --accent: #FF4B26;
  --accent-hover: #FF6745;
  --accent-glow: rgba(255, 75, 38, 0.22);
  --accent-light: #FF8F73;

  /* Secondary Accents */
  --accent-cyan: #00F0FF;
  --accent-purple: #A855F7;
  --accent-gold: #E5C07B;
  --accent-emerald: #10B981;

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Space Mono', monospace;

  /* Spacing */
  --section-gap: 140px;
  --container-max: 1360px;
  --container-padding: clamp(20px, 4vw, 56px);

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 200ms var(--ease-out-expo);
  --transition-normal: 400ms var(--ease-out-expo);
  --transition-slow: 700ms var(--ease-out-expo);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Selection */
::selection {
  background-color: var(--accent);
  color: #FFFFFF;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* Typography Utilities */
.mono-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.mono-tag::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--accent);
  border-radius: 50%;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.section-label .line {
  height: 1px;
  width: 48px;
  background-color: var(--border-medium);
  transition: width var(--transition-normal), background-color var(--transition-normal);
}

.section-label:hover .line {
  width: 72px;
  background-color: var(--accent);
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.section-heading span.gradient-text {
  background: linear-gradient(135deg, #FFFFFF 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-desc {
  font-size: clamp(1rem, 1.3vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.7;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 26px 0;
  transition: padding var(--transition-normal), background-color var(--transition-normal), backdrop-filter var(--transition-normal), border-bottom var(--transition-normal), transform var(--transition-normal);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled-down {
  padding: 14px 0;
  background-color: rgba(9, 10, 13, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.site-header.is-hidden {
  transform: translateY(-100%);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 1.25rem;
  line-height: 1;
}

.brand-logo .brand-role {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  font-weight: 400;
  margin-top: 5px;
  transition: color var(--transition-fast);
}

.brand-logo:hover .brand-role {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-link {
  position: relative;
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 0;
  transition: color var(--transition-fast), letter-spacing var(--transition-fast);
}

.nav-link .nav-arrow {
  display: inline-block;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  color: var(--accent);
  font-size: 0.9em;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out-expo);
}

.nav-link:hover {
  color: var(--text-primary);
  letter-spacing: 0.08em;
}

.nav-link:hover .nav-arrow {
  opacity: 1;
  transform: translateX(0);
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Nav Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* ==========================================================================
   BUTTONS & MAGNETIC WRAPPERS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 32px;
  border-radius: 9999px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  position: relative;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color var(--transition-normal), color var(--transition-normal), border-color var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
  will-change: transform;
}

.btn-arrow {
  display: inline-block;
  transition: transform var(--transition-normal);
  font-size: 1.1em;
}

.btn:hover .btn-arrow {
  transform: translate(3px, -3px);
}

.btn-primary {
  background-color: var(--accent);
  color: #FFFFFF;
  border-color: var(--accent);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: 0 8px 30px rgba(255, 75, 38, 0.4);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.btn-secondary:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--text-primary);
}

.btn-sm {
  padding: 10px 22px;
  font-size: 0.75rem;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero-section {
  position: relative;
  min-height: 100vh;
  padding-top: clamp(140px, 18vh, 200px);
  padding-bottom: 100px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg-graphic {
  position: absolute;
  top: 15%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, rgba(255,75,38,0.02) 60%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
  will-change: transform;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: clamp(40px, 6vw, 90px);
}

.hero-badge-wrap {
  margin-bottom: 28px;
}

.availability-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border-radius: 9999px;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}

.pulsing-dot {
  width: 8px;
  height: 8px;
  background-color: #22C55E;
  border-radius: 50%;
  box-shadow: 0 0 10px #22C55E;
  position: relative;
}

.pulsing-dot::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid #22C55E;
  animation: pulse-ring 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.6); opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.2vw, 5.2rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.04em;
  margin-bottom: 30px;
}

.hero-title-accent {
  color: var(--accent);
  position: relative;
  display: inline-block;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: 44px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* Hero Portrait & Floating Skills */
.hero-visual-col {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-portrait-stage {
  position: relative;
  width: 100%;
  max-width: 460px;
  perspective: 1000px;
}

.hero-portrait-card {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  aspect-ratio: 4 / 5;
  display: flex;
  align-items: center;
  justify-content: center;
  will-change: transform;
}

.hero-portrait-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  will-change: transform;
  transition: filter var(--transition-normal);
}

.hero-portrait-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(9, 10, 13, 0.8) 100%);
  pointer-events: none;
}

/* Floating Skill Labels (Requirement 4) */
.floating-skills-layer {
  position: absolute;
  inset: -30px -40px;
  pointer-events: none;
  z-index: 10;
}

.skill-tag {
  position: absolute;
  pointer-events: auto;
  padding: 10px 20px;
  border-radius: 9999px;
  background: rgba(22, 24, 32, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-medium);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-primary);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.4);
  transition: border-color var(--transition-fast), color var(--transition-fast), transform 0.15s ease-out;
  cursor: default;
  will-change: transform;
}

.skill-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Individual tag positions */
.skill-tag-seo {
  top: 10%;
  left: -8%;
}

.skill-tag-ads {
  top: 25%;
  right: -10%;
}

.skill-tag-social {
  bottom: 35%;
  left: -12%;
}

.skill-tag-web {
  bottom: 12%;
  right: -8%;
}

.skill-tag-ai {
  top: 60%;
  right: -14%;
}

/* Status watermark on portrait */
.portrait-footer-info {
  position: absolute;
  bottom: 20px;
  left: 24px;
  right: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 5;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* ==========================================================================
   METRICS BANNER
   ========================================================================== */

.metrics-strip {
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background-color: var(--bg-secondary);
  padding: 44px 0;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-val {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  font-weight: 800;
  line-height: 1;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.metric-val span.metric-plus {
  color: var(--accent);
}

.metric-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ==========================================================================
   PROJECTS / PORTFOLIO (Requirements 5, 6, 9)
   ========================================================================== */

.projects-section {
  padding: var(--section-gap) 0;
  position: relative;
}

.projects-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 72px;
  flex-wrap: wrap;
  gap: 24px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(30px, 4vw, 56px);
  margin-bottom: 96px;
}

/* Featured Large Project Card */
.project-card {
  position: relative;
  background-color: var(--bg-secondary);
  border-radius: 24px;
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
  cursor: pointer;
}

.project-card:hover {
  border-color: var(--border-medium);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.5);
}

/* Fixed container with scaled image inside (Requirement 5) */
.project-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--bg-tertiary);
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1);
  transition: transform 550ms var(--ease-out-expo);
  will-change: transform;
}

/* Card hover: image scales 1.03-1.06 */
.project-card:hover .project-img {
  transform: scale(1.05);
}

/* Project Hover Overlay */
.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(9, 10, 13, 0.45);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 450ms var(--ease-out-expo);
  pointer-events: none;
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-overlay-badge {
  padding: 12px 24px;
  border-radius: 9999px;
  background-color: var(--accent);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  box-shadow: 0 8px 24px var(--accent-glow);
  transform: translateY(12px);
  transition: transform 450ms var(--ease-out-expo);
}

.project-card:hover .project-overlay-badge {
  transform: translateY(0);
}

/* Project Content */
.project-content {
  padding: 32px 36px 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}

.project-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.project-category {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.project-year {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: transform 450ms var(--ease-out-expo), color var(--transition-fast);
}

.project-title .title-arrow {
  color: var(--text-muted);
  transition: transform 450ms var(--ease-out-expo), color var(--transition-fast);
  font-size: 1.2rem;
}

/* Title moves upward slightly, arrow shifts (Requirement 5) */
.project-card:hover .project-title {
  transform: translateY(-4px);
  color: #FFFFFF;
}

.project-card:hover .title-arrow {
  transform: translate(4px, -4px);
  color: var(--accent);
}

.project-summary {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.project-pill {
  padding: 4px 12px;
  border-radius: 9999px;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   CASE STUDY CURSOR PREVIEW LIST (Requirement 9)
   ========================================================================== */

.case-index-wrap {
  border-top: 1px solid var(--border-subtle);
  padding-top: 56px;
}

.case-index-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: 28px;
  text-transform: uppercase;
}

.case-list {
  display: flex;
  flex-direction: column;
}

.case-item {
  position: relative;
  display: grid;
  grid-template-columns: 80px 2fr 1.5fr 1fr auto;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--border-subtle);
  text-decoration: none;
  color: var(--text-primary);
  transition: padding var(--transition-normal), border-color var(--transition-fast);
  cursor: pointer;
}

.case-item:hover {
  padding-left: 16px;
  padding-right: 16px;
  border-color: var(--border-medium);
}

.case-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.case-name {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.case-deliverable {
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.case-result {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
}

.case-arrow {
  font-size: 1.4rem;
  color: var(--text-muted);
  transition: transform var(--transition-normal), color var(--transition-fast);
}

.case-item:hover .case-num,
.case-item:hover .case-name {
  color: var(--accent);
}

.case-item:hover .case-deliverable {
  color: var(--text-primary);
}

.case-item:hover .case-arrow {
  transform: translate(6px, -6px);
  color: var(--accent);
}

/* Floating Preview Tooltip Card that follows cursor (Requirement 9) */
.case-preview-card {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  height: 180px;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.15);
  pointer-events: none;
  z-index: 99990;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.9);
  transition: opacity 280ms var(--ease-out-expo), transform 280ms var(--ease-out-expo);
  will-change: transform, opacity;
  background-color: var(--bg-tertiary);
}

.case-preview-card.is-visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.case-preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ==========================================================================
   SERVICES SECTION (Requirement 8)
   ========================================================================== */

.services-section {
  padding: var(--section-gap) 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.services-list {
  display: flex;
  flex-direction: column;
  margin-top: 60px;
  border-top: 1px solid var(--border-subtle);
}

.service-card {
  position: relative;
  padding: 44px 32px;
  border-bottom: 1px solid var(--border-subtle);
  display: grid;
  grid-template-columns: 120px 1.4fr 1.6fr auto;
  align-items: center;
  gap: 32px;
  text-decoration: none;
  color: var(--text-primary);
  background-color: transparent;
  transition: background-color var(--transition-normal), border-color var(--transition-normal), transform var(--transition-normal);
  cursor: pointer;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background-color: var(--accent);
  transform: scaleY(0);
  transition: transform var(--transition-normal);
}

.service-card:hover {
  background-color: rgba(255, 255, 255, 0.02);
  border-bottom-color: var(--border-medium);
}

.service-card:hover::before {
  transform: scaleY(1);
}

/* Service Number */
.service-num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dim);
  transition: color var(--transition-normal), transform var(--transition-normal);
}

.service-card:hover .service-num {
  color: var(--accent);
  transform: scale(1.08);
}

/* Service Name */
.service-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.service-card:hover .service-title {
  color: #FFFFFF;
}

/* Service Details (Description slides in slightly) */
.service-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
  transform: translateX(0);
  transition: transform var(--transition-normal);
}

.service-card:hover .service-details {
  transform: translateX(10px);
}

.service-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Keywords Chips */
.service-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.keyword-pill {
  padding: 4px 12px;
  border-radius: 9999px;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.725rem;
  color: var(--text-secondary);
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.service-card:hover .keyword-pill {
  background-color: rgba(255, 75, 38, 0.08);
  border-color: rgba(255, 75, 38, 0.25);
  color: var(--text-primary);
}

/* Service CTA link with arrow */
.service-action {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.service-action-arrow {
  transition: transform var(--transition-fast);
}

.service-card:hover .service-action {
  color: var(--accent);
}

.service-card:hover .service-action-arrow {
  transform: translate(4px, -4px);
}

/* ==========================================================================
   PROCESS SECTION (Requirement 10)
   ========================================================================== */

.process-section {
  padding: var(--section-gap) 0;
  position: relative;
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  margin-top: 72px;
  position: relative;
}

.process-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 32px 24px;
  border-radius: 18px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  transition: background-color var(--transition-normal), border-color var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal), opacity var(--transition-normal);
  cursor: pointer;
}

/* Stage Connecting Line */
.process-line-wrap {
  width: 100%;
  height: 2px;
  background-color: var(--border-subtle);
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}

.process-line-fill {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 0%;
  background-color: var(--accent);
  transition: width 500ms var(--ease-out-expo);
}

/* Stage Number */
.stage-num {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dim);
  margin-bottom: 16px;
  transition: transform var(--transition-normal), color var(--transition-normal);
  will-change: transform;
}

.stage-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 14px;
  transition: color var(--transition-fast);
}

.stage-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  opacity: 0.65;
  transform: translateY(4px);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

/* Stage Hover / Active State (Requirement 10) */
.process-stage.is-active,
.process-stage:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--border-active);
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
}

.process-stage.is-active .stage-num,
.process-stage:hover .stage-num {
  color: var(--accent);
  transform: scale(1.15);
}

.process-stage.is-active .process-line-fill,
.process-stage:hover .process-line-fill {
  width: 100%;
}

.process-stage.is-active .stage-title,
.process-stage:hover .stage-title {
  color: #FFFFFF;
}

.process-stage.is-active .stage-desc,
.process-stage:hover .stage-desc {
  opacity: 1;
  transform: translateY(0);
}

/* Dim other stages when one is hovered */
.process-timeline.has-hover .process-stage:not(:hover):not(.is-active) {
  opacity: 0.45;
}

/* ==========================================================================
   ABOUT & ETHOS SECTION
   ========================================================================== */

.about-section {
  padding: var(--section-gap) 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 90px);
  align-items: center;
}

.about-bio-lead {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.2vw, 2.2rem);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 28px;
}

.about-bio-lead span.highlight {
  color: var(--accent);
}

.about-text-p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 32px;
}

.ethos-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.ethos-card {
  padding: 28px;
  border-radius: 16px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  transition: border-color var(--transition-fast), transform var(--transition-normal);
}

.ethos-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-4px);
}

.ethos-icon {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 14px;
}

.ethos-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.ethos-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ==========================================================================
   INSIGHTS / ARTICLES SECTION
   ========================================================================== */

.insights-section {
  padding: var(--section-gap) 0;
}

.insights-list {
  display: flex;
  flex-direction: column;
  margin-top: 56px;
  border-top: 1px solid var(--border-subtle);
}

.insight-item {
  display: grid;
  grid-template-columns: 140px 1fr 180px auto;
  align-items: center;
  padding: 30px 0;
  border-bottom: 1px solid var(--border-subtle);
  text-decoration: none;
  color: var(--text-primary);
  transition: padding var(--transition-normal), border-color var(--transition-fast);
}

.insight-item:hover {
  padding-left: 12px;
  padding-right: 12px;
  border-color: var(--border-medium);
}

.insight-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.insight-title {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.8vw, 1.45rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: color var(--transition-fast);
}

.insight-topic {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.insight-arrow {
  color: var(--text-muted);
  font-size: 1.2rem;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.insight-item:hover .insight-title {
  color: var(--accent);
}

.insight-item:hover .insight-arrow {
  transform: translate(4px, -4px);
  color: var(--accent);
}

/* ==========================================================================
   CONTACT CTA SECTION (Requirement 14)
   ========================================================================== */

.contact-section {
  padding: var(--section-gap) 0 100px;
  position: relative;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  overflow: hidden;
}

.contact-box {
  position: relative;
  border-radius: 32px;
  padding: clamp(48px, 8vw, 96px);
  background: radial-gradient(circle at 80% 20%, rgba(255, 75, 38, 0.12) 0%, rgba(22, 24, 32, 0.6) 60%);
  border: 1px solid var(--border-medium);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.contact-headline {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 5.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 24px;
  max-width: 880px;
}

.contact-sub {
  font-size: clamp(1.05rem, 1.4vw, 1.3rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 48px;
}

/* Primary Contact CTA (Requirement 14) */
.btn-cta-large {
  padding: 22px 52px;
  font-size: 1rem;
  letter-spacing: 0.08em;
  background-color: var(--accent);
  color: #FFFFFF;
  border: 1px solid var(--accent);
  border-radius: 9999px;
  box-shadow: 0 10px 30px var(--accent-glow);
  transition: transform 400ms var(--ease-out-expo), background-color 300ms ease, box-shadow 400ms ease, border-color 300ms ease;
  will-change: transform;
}

.btn-cta-large:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: 0 16px 48px rgba(255, 75, 38, 0.5);
}

.btn-cta-large .btn-arrow {
  transition: transform 400ms var(--ease-out-expo);
}

.btn-cta-large:hover .btn-arrow {
  transform: translate(6px, -6px);
}

/* Contact Form Container (Interactive modal or smooth slide-down) */
.contact-form-wrap {
  width: 100%;
  max-width: 720px;
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--border-subtle);
  display: none;
  animation: fadeInDown 500ms var(--ease-out-expo) forwards;
}

.contact-form-wrap.is-open {
  display: block;
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  text-align: left;
}

.form-group-full {
  grid-column: span 2;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 16px 20px;
  border-radius: 12px;
  background-color: rgba(9, 10, 13, 0.8);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-submit-row {
  grid-column: span 2;
  display: flex;
  justify-content: flex-end;
  margin-top: 10px;
}

.form-feedback {
  grid-column: span 2;
  display: none;
  padding: 16px;
  border-radius: 10px;
  background-color: rgba(34, 197, 94, 0.15);
  border: 1px solid #22C55E;
  color: #86EFAC;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-align: center;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 40px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 24px;
}

.footer-social-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.footer-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition-fast);
}

.footer-link .link-arrow {
  opacity: 0;
  transform: translate(-3px, 3px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  color: var(--accent);
}

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

.footer-link:hover .link-arrow {
  opacity: 1;
  transform: translate(0, 0);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 16px;
}

.back-to-top-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast);
}

.back-to-top-btn:hover {
  color: var(--accent);
}

/* ==========================================================================
   RESPONSIVE LAYOUT BREAKPOINTS
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-visual-col {
    order: -1;
    margin-bottom: 20px;
  }
  .hero-portrait-stage {
    max-width: 380px;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .services-list {
    margin-top: 40px;
  }
  .service-card {
    grid-template-columns: 80px 1fr;
    gap: 20px;
  }
  .service-details {
    grid-column: span 2;
  }
  .service-action {
    grid-column: span 2;
  }
  .process-timeline {
    grid-template-columns: 1fr;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .case-item {
    grid-template-columns: 50px 1fr auto;
  }
  .case-deliverable,
  .case-result {
    display: none;
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .site-header.is-mobile-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: rgba(9, 10, 13, 0.96);
    padding: 32px 24px;
    border-bottom: 1px solid var(--border-medium);
  }
  .contact-form {
    grid-template-columns: 1fr;
  }
  .form-group-full {
    grid-column: span 1;
  }
  .form-submit-row {
    grid-column: span 1;
  }
  .insight-item {
    grid-template-columns: 1fr auto;
    gap: 12px;
  }
  .insight-date,
  .insight-topic {
    display: none;
  }
}