/* ============================================================
   ANTYGRAVITY — Dark Digital Agency Website
   Complete Stylesheet v1.0
   ============================================================ */

/* ── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=DM+Mono:ital,wght@0,300;0,400;0,500;1,300;1,400;1,500&family=DM+Serif+Display:ital@0;1&family=Syne:wght@400;500;600;700;800&display=swap');

/* ============================================================
   1. CSS VARIABLES / DESIGN TOKENS
   ============================================================ */
:root {
  /* Backgrounds */
  --bg-primary: #0A0A0B;
  --bg-card: #121214;
  --bg-hover: #1a1a1d;

  /* Text */
  --text-primary: #FFFFFF;
  --text-secondary: #888888;
  --text-muted: #555555;

  /* Borders */
  --border-color: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(255, 255, 255, 0.15);

  /* Typography */
  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-sans: 'Syne', -apple-system, sans-serif;
  --font-mono: 'DM Mono', monospace;

  /* Motion */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --nav-height: 80px;
}

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

html {
  scroll-behavior: smooth;

  /* Dark scrollbar */
  scrollbar-width: thin;
  scrollbar-color: #333 var(--bg-primary);
}

/* Webkit scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: #333;
  border-radius: 3px;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

ul,
ol {
  list-style: none;
}

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

button {
  font: inherit;
  cursor: pointer;
}

/* ============================================================
   3. TYPOGRAPHY UTILITIES
   ============================================================ */
.serif {
  font-family: var(--font-serif);
}

.mono {
  font-family: var(--font-mono);
}

h1 em,
h2 em,
h3 em,
h4 em {
  font-style: italic;
  font-family: var(--font-serif);
}

/* ============================================================
   4. CONTAINER
   ============================================================ */
.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

.container-wide {
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

/* ============================================================
   5. SECTION BASE
   ============================================================ */
section,
.section {
  padding: 8rem 0;
  position: relative;
}

/* ── Section Number Labels ─────────────────────────────────── */
.section-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 2rem;
  display: block;
}

/* ── Section Headings ──────────────────────────────────────── */
h2 {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 4rem;
}

h2 em {
  font-style: italic;
}

/* ============================================================
   6. NAV / HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--transition-smooth),
              border-color var(--transition-smooth),
              backdrop-filter var(--transition-smooth);
}

.header.scrolled {
  background: rgba(10, 10, 11, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--border-color);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.logo {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.logo span {
  color: #888;
}

/* Nav right cluster */
.nav-right {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
}

/* CTA Button */
.btn-cta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.65rem 1.5rem;
  border: 1px solid var(--border-hover);
  border-radius: 0;
  color: var(--text-primary);
  background: transparent;
  cursor: pointer;
  transition: background var(--transition-fast),
              border-color var(--transition-fast);
}

.btn-cta:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.3);
}

/* ============================================================
   7. HERO  [01]
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-height);
  position: relative;
  overflow: hidden;
}

.noise-grain {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.035;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

.hero-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  z-index: 2;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 7vw, 6rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.03em;
  max-width: 950px;
  margin-bottom: 2rem;
  z-index: 2;
}

.hero h1 em {
  font-style: italic;
}

.stagger-text .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.25, 1, 0.5, 1), transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.stagger-text.active .word {
  opacity: 1;
  transform: translateY(0);
}

.hero-sub {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 550px;
  line-height: 1.6;
  margin-bottom: 3rem;
  z-index: 2;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: 3rem;
  padding-top: 4rem;
  margin-top: auto;
  border-top: 1px solid var(--border-color);
}

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

.stat-value {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ============================================================
   8. WORK  [02]
   ============================================================ */
.work-list {
  list-style: none;
}

.work-row {
  display: grid;
  grid-template-columns: 60px 1fr auto auto auto;
  align-items: center;
  gap: 2rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition: background var(--transition-fast),
              padding var(--transition-fast),
              margin var(--transition-fast);
}

.experience-row {
  display: grid;
  grid-template-columns: 60px 1.5fr auto auto auto;
  align-items: center;
  gap: 1.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition: background var(--transition-fast),
              padding var(--transition-fast),
              margin var(--transition-fast);
}

.experience-row:hover {
  background: var(--bg-hover);
  padding-left: 1rem;
  padding-right: 1rem;
  margin-left: -1rem;
  margin-right: -1rem;
}

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

.work-name {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 400;
  transition: font-style var(--transition-fast);
}

.experience-row:hover .work-name {
  font-style: italic;
}

.work-tags {
  display: flex;
  gap: 0.5rem;
}

.work-tags span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--border-color);
  border-radius: 0;
}

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

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

.experience-row:hover .work-arrow {
  color: var(--text-primary);
  transform: translate(3px, -3px);
}

/* Experience Description */
.experience-desc {
  grid-column: 2 / -1;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-top: 0;
  transition: max-height 0.4s ease, opacity 0.4s ease, margin-top 0.4s ease;
}

.experience-row:hover .experience-desc {
  max-height: 250px;
  opacity: 1;
  margin-top: 0.75rem;
}

.experience-bullets {
  margin-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-left: 1.25rem;
  list-style-type: disc;
}

.experience-bullets li {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  display: list-item;
}

/* Skills used tags inside experience */
.experience-skills-used {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.experience-skills-used span:first-child {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-right: 0.25rem;
}

.experience-skills-used span:not(:first-child) {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  padding: 0.2rem 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.01);
}

/* ============================================================
   9. SERVICES  [03]
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border-color);
}

.service-block {
  background: var(--bg-primary);
  padding: 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: background var(--transition-fast);
}

.service-block:hover {
  background: var(--bg-card);
}

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

.service-name {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
}

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

.service-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.service-list li {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.service-list li::before {
  content: '— ';
}

.service-arrow {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: auto;
  transition: color var(--transition-fast);
}

.service-block:hover .service-arrow {
  color: var(--text-primary);
}

/* Skill Inventory Matrix */
.skill-matrix-wrap {
  margin-top: 6rem;
  padding-top: 4rem;
  border-top: 1px solid var(--border-color);
}

.matrix-heading {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 2rem;
  display: block;
}

.skills-matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.matrix-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.matrix-col-header {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.matrix-col-header h4 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-primary);
}

.matrix-col-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
}

.skills-badges-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.skill-tag:hover {
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.02);
}

.skill-tag.focus {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.02);
}

.skill-tag.soft {
  color: var(--text-secondary);
}

.skill-tag.strongest {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.05);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.skill-tag.strongest:hover {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.08);
}

.tag-star {
  font-size: 0.65rem;
  color: #E2E8F0;
  opacity: 0.9;
}

/* ============================================================
   10. PROCESS  [04]
   ============================================================ */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.process-step {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: 500px;
  border-bottom: 1px solid var(--border-color);
}

/* Alternate layout: even steps swap columns */
.process-step:nth-child(even) {
  direction: rtl;
}

.process-step:nth-child(even) > * {
  direction: ltr;
}

.process-text {
  padding: 4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.5rem;
}

.process-step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.process-step-name {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 400;
}

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

.process-step-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.process-step-list li {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.process-step-list li::before {
  content: '— ';
}

.process-image {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.process-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.7);
  transition: filter var(--transition-smooth),
              transform var(--transition-smooth);
}

.process-step:hover .process-image img {
  filter: brightness(0.85);
  transform: scale(1.02);
}

/* ============================================================
   11. STUDIO  [05]
   ============================================================ */
.studio-image-wrap {
  width: 100%;
  height: 500px;
  overflow: hidden;
  margin-bottom: 4rem;
}

.studio-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.6);
}

.studio-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.studio-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.studio-name {
  font-family: var(--font-serif);
  font-size: 2rem;
}

.studio-address {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.studio-coords {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.studio-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.studio-stat-value {
  font-family: var(--font-serif);
  font-size: 1.75rem;
}

.studio-stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ============================================================
   12. CONTACT  [06]
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 6rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-badges {
  display: flex;
  gap: 1rem;
}

.contact-badges span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.contact-intro-text {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.contact-detail-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.contact-detail span,
.contact-detail a {
  font-size: 1rem;
  color: var(--text-primary);
}

.contact-link-with-icon,
.contact-span-with-icon {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1rem;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.contact-link-with-icon:hover {
  color: var(--text-secondary);
}

.contact-link-with-icon svg,
.contact-span-with-icon svg {
  color: var(--text-muted);
  flex-shrink: 0;
  transition: color var(--transition-fast);
}

.contact-link-with-icon:hover svg {
  color: var(--text-primary);
}

.contact-socials-row {
  display: flex;
  gap: 1.5rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.social-link svg {
  color: var(--text-muted);
  flex-shrink: 0;
  transition: color var(--transition-fast);
}

.social-link:hover {
  color: var(--text-primary);
}

.social-link:hover svg {
  color: var(--text-primary);
}

.footer-link.social-link {
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
}

/* ============================================================
   13. FOUNDER & ABOUT  [05]
   ============================================================ */
.founder-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.founder-image {
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: 0;
}

.founder-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) brightness(0.8);
}

.founder-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.founder-name {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 400;
}

.founder-name em {
  font-style: italic;
}

.founder-roles {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  height: 1.5em;
  overflow: hidden;
  position: relative;
}

.about-narrative {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 600px;
}

.founder-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.founder-stats-grid > * {
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.founder-stat-value {
  font-family: var(--font-serif);
  font-size: 1.5rem;
}

.founder-stat-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.founder-section-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-top: 1rem;
}

.coordinates-block {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  padding: 1rem 1.5rem;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  display: inline-block;
  margin-top: 0.5rem;
}

/* ============================================================
   13b. RESULTS  [07]
   ============================================================ */
.results-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.results-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.results-stat {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
}

.results-stat .stat-value {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 400;
  line-height: 1.1;
}

.results-stat .stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* Proof Points */
.proof-points {
  background: var(--bg-card);
  padding: 3rem;
  border: 1px solid var(--border-color);
}

.proof-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.proof-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.check-mark {
  color: var(--text-primary);
  font-family: var(--font-serif);
  font-size: 1.2rem;
  line-height: 1;
}

.proof-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.proof-text strong {
  color: var(--text-primary);
  font-weight: 500;
}

/* ============================================================
   14. FAQ
   ============================================================ */
.faq-list {
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-bottom: 1px solid var(--border-color);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.75rem 0;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  width: 100%;
  background: none;
  border: none;
  color: var(--text-primary);
  text-align: left;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--text-secondary);
}

.faq-toggle {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--text-muted);
  transition: transform 0.3s ease;
  line-height: 1;
  flex-shrink: 0;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-inner {
  padding: 0 0 1.5rem 0;
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 700px;
}

/* ============================================================
   15. FOOTER
   ============================================================ */
.footer {
  padding: 5rem 0 2rem;
  border-top: 1px solid var(--border-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.2rem;
}

.footer-logo span {
  color: #888;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-city {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.footer-link {
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================================
   16. SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   16b. RESULTS PROOF SHOWCASE & LIGHTBOX
   ============================================================ */
.proof-filter {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 4rem;
  margin-bottom: 2rem;
  width: 100%;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.65rem 1.25rem;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn.active,
.filter-btn:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.03);
}

.proof-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  width: 100%;
}

.proof-card {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  cursor: pointer;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

/* For filtering animation */
.proof-card.hidden {
  display: none;
}

.proof-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.15);
}

.proof-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.75);
  transition: filter var(--transition-smooth), transform var(--transition-smooth);
}

.proof-card:hover img {
  filter: brightness(0.9);
  transform: scale(1.03);
}

.proof-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1.25rem;
  background: linear-gradient(to top, rgba(10, 10, 11, 0.95), transparent);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.proof-card:hover .proof-card-overlay {
  opacity: 1;
  transform: translateY(0);
}

.proof-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  color: var(--text-muted);
}

.proof-metric {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--text-primary);
}

/* Lightbox Modal */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(10, 10, 11, 0.96);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.lightbox.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-content {
  max-width: 90%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  transform: scale(0.95);
  transition: transform 0.4s ease;
}

.lightbox.active .lightbox-content {
  transform: scale(1);
}

.lightbox-content img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  border: 1px solid var(--border-color);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
}

.lightbox-caption {
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--text-secondary);
  text-align: center;
}

.lightbox-close {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 1010;
  line-height: 1;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.3);
  transform: scale(1.05);
}

/* ============================================================
   17. RESPONSIVE — TABLET (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {
  .lightbox-close {
    top: 1rem;
    right: 1rem;
    width: 3rem;
    height: 3rem;
    font-size: 1.5rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .experience-row {
    grid-template-columns: 40px 1fr auto;
    gap: 1rem;
    padding: 1.5rem 0;
  }

  .experience-row .work-tags,
  .experience-row .work-year {
    display: none;
  }

  .experience-row:hover {
    padding-left: 0;
    padding-right: 0;
    margin-left: 0;
    margin-right: 0;
  }

  .experience-row:hover .experience-desc {
    max-height: 350px;
  }

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

  .process-step {
    grid-template-columns: 1fr;
  }

  /* Reset direction override for even steps on mobile */
  .process-step:nth-child(even) {
    direction: ltr;
  }

  .process-image {
    height: 300px;
  }

  .studio-info {
    grid-template-columns: 1fr;
  }

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

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

  .skills-matrix-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .results-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .results-stats-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .hero-stats {
    flex-wrap: wrap;
    gap: 1.5rem;
  }

  .nav-right {
    gap: 1rem;
  }

  .nav-link {
    display: none;
  }
}

/* ============================================================
   18. RESPONSIVE — MOBILE (≤ 480px)
   ============================================================ */
@media (max-width: 480px) {
  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .results-stats-grid {
    grid-template-columns: 1fr;
  }

  .proof-points {
    padding: 2rem 1.5rem;
  }

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

  .hero-ctas {
    flex-direction: column;
  }

  .hero-ctas .btn-cta {
    width: 100%;
  }
}

/* ============================================================
   19. FLOATING WHATSAPP BUTTON
   ============================================================ */
.whatsapp-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(18, 140, 126, 0.3);
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 900;
  text-decoration: none;
}

.whatsapp-btn:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 6px 16px rgba(18, 140, 126, 0.5);
}

.whatsapp-icon {
  width: 1.6rem;
  height: 1.6rem;
}

.whatsapp-tooltip {
  position: absolute;
  right: 4.5rem;
  background: rgba(18, 140, 126, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  padding: 0.5rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateX(10px);
  transition: all var(--transition-fast);
}

.whatsapp-btn:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

@media (max-width: 768px) {
  .whatsapp-btn {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 3rem;
    height: 3rem;
  }
  .whatsapp-tooltip {
    display: none;
  }
}