/* ============================================
   IMMERSIVE DESIGN SYSTEM — SINGLE STYLESHEET
   Tony Contreras Portfolio
   ============================================ */

/* ===========================================
   1. DESIGN TOKENS
   =========================================== */
:root {
  --bg: #0a0a0a;
  --bg-light: #f4f1eb;
  --text: #f4f1eb;
  --text-muted: rgba(244,241,235,0.5);
  --accent: #e63946;
  --accent-glow: rgba(230,57,70,0.3);
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 40px;
  --spacing-xl: 60px;
  --spacing-2xl: 80px;
  --spacing-3xl: 100px;
}

/* ===========================================
   2. BASE
   =========================================== */
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  margin: 0;
}
p { color: var(--text-muted); }
p strong { color: var(--text); }
p em { color: var(--text); }
a.inline-link { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
a.inline-link:hover { color: var(--text); }
a.imm-cs-link { color: var(--accent); text-decoration: none; border-bottom: 1px solid rgba(230,57,70,0.3); transition: border-color 0.3s; }
a.imm-cs-link:hover { color: #fff; border-bottom-color: #fff; text-decoration: none; }

/* ===========================================
   3. NAVIGATION (glass-morphism + hamburger)
   =========================================== */
.navbarlight {
  background: rgba(10,10,10,0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: none;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.navbar-container { max-width: 1200px; margin: 0 auto; padding: 0 40px; }
.containertext { width: 100%; }
.navbar-wrapper { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.navbar-brand { text-decoration: none; }
.logo { color: #fff; font-family: 'Montserrat', sans-serif; font-size: 20px; font-weight: 900; letter-spacing: 0.08em; text-transform: uppercase; }
.nav-links-wrapper { display: flex; align-items: center; margin-left: auto; }
.nav-menu { display: flex; gap: 32px; list-style: none; margin: 0; padding: 0; align-items: center; }
.nav-link-accent-2 { color: rgba(255,255,255,0.7); font-family: 'Inter', sans-serif; font-size: 11px; font-weight: 500; letter-spacing: 2px; text-transform: uppercase; text-decoration: none; transition: color 0.3s; }
.nav-link-accent-2:hover { color: #fff; text-decoration: none; }

/* Hamburger button */
.menu-button-2 { display: none; background: none; border: none; cursor: pointer; width: 40px; height: 40px; position: relative; z-index: 110; padding: 0; }
.menu-icon { display: block; width: 24px; height: 2px; background: #fff; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); transition: background 0.3s; }
.menu-icon::before,
.menu-icon::after { content: ''; position: absolute; left: 0; width: 24px; height: 2px; background: #fff; transition: top 0.3s, transform 0.3s; }
.menu-icon::before { top: -7px; }
.menu-icon::after { top: 7px; }

/* Hamburger -> X */
.menu-button-2.is-open .menu-icon { background: transparent; }
.menu-button-2.is-open .menu-icon::before { top: 0; transform: rotate(45deg); }
.menu-button-2.is-open .menu-icon::after { top: 0; transform: rotate(-45deg); }

/* ===========================================
   4. FOOTER
   =========================================== */
.imm-cs-footer {
  padding: 50px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.imm-cs-footer p { font-family: 'Montserrat', sans-serif; font-size: 12px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: rgba(244,241,235,0.3); margin: 0; }
.imm-cs-footer a { color: rgba(255,255,255,0.4); font-size: 12px; letter-spacing: 3px; text-transform: uppercase; text-decoration: none; font-weight: 600; transition: color 0.3s; }
.imm-cs-footer a:hover { color: var(--accent); text-decoration: none; }
.imm-cs-footer a img { width: 20px; height: 20px; opacity: 0.4; transition: opacity 0.3s; filter: invert(1); }
.imm-cs-footer a:hover img { opacity: 1; }

/* ===========================================
   5. HOMEPAGE
   =========================================== */
/* Hero — Maximalist */
.imm-hero { position: relative; height: 100vh; min-height: 700px; display: flex; align-items: center; justify-content: center; overflow: hidden; background: var(--bg); }
.imm-hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(244,241,235,0.03) 1px, transparent 1px), linear-gradient(0deg, rgba(244,241,235,0.03) 1px, transparent 1px); background-size: 80px 80px; pointer-events: none; z-index: 0; }

/* Ghost background name */
.imm-hero__ghost { position: absolute; z-index: 1; font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: clamp(80px, 14vw, 200px); line-height: 0.85; letter-spacing: -0.04em; text-transform: uppercase; color: var(--text); opacity: 0.08; top: 8%; left: -2%; user-select: none; pointer-events: none; }

/* Decorative symbols */
.imm-hero__plus { position: absolute; z-index: 3; font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: clamp(120px, 20vw, 350px); color: var(--accent); opacity: 0.15; top: 10%; right: 8%; line-height: 1; user-select: none; pointer-events: none; }
.imm-hero__asterisk { position: absolute; z-index: 15; font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 48px; color: var(--accent); top: 15%; left: 15%; }

/* Rotated greeting */
.imm-hero__greeting { position: absolute; left: 28px; top: 50%; transform: rotate(-90deg) translateX(-50%); transform-origin: left center; font-family: 'Inter', sans-serif; font-weight: 400; font-size: 13px; letter-spacing: 3px; text-transform: uppercase; color: var(--text-muted); z-index: 20; white-space: nowrap; }
.imm-hero__greeting span { color: var(--accent); font-weight: 600; }

/* Circular photo */
.imm-hero__photo { position: absolute; z-index: 5; width: clamp(280px, 30vw, 420px); height: clamp(280px, 30vw, 420px); left: 50%; top: 50%; transform: translate(-50%, -50%); }
.imm-hero__photo img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; filter: grayscale(20%) contrast(1.1); }
.imm-hero__ring { position: absolute; inset: -15px; border: 1px solid rgba(244,241,235,0.12); border-radius: 50%; pointer-events: none; }
.imm-hero__ring-2 { position: absolute; inset: -35px; border: 1px solid rgba(244,241,235,0.05); border-radius: 50%; pointer-events: none; }

/* Foreground name */
.imm-hero__name { position: absolute; inset: 0; z-index: 10; margin: 0; pointer-events: none; }
.imm-hero__name-tony, .imm-hero__name-contreras { display: block; font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: clamp(56px, 14vw, 200px); line-height: 0.85; letter-spacing: -0.04em; text-transform: uppercase; color: var(--text); mix-blend-mode: difference; position: absolute; }
.imm-hero__name-tony { top: 22%; left: 5%; }
.imm-hero__name-contreras { bottom: 22%; right: 2%; text-align: right; }

/* Rotating circular text */
.imm-hero__circular { position: absolute; z-index: 12; bottom: 12%; left: 8%; width: clamp(120px, 12vw, 180px); height: clamp(120px, 12vw, 180px); }
.imm-hero__circular svg { width: 100%; height: 100%; animation: heroSpin 20s linear infinite; }
.imm-hero__circular svg text { font-family: 'Inter', sans-serif; font-weight: 500; font-size: 14px; letter-spacing: 4px; text-transform: uppercase; fill: rgba(244,241,235,0.4); }
@keyframes heroSpin { to { transform: rotate(360deg); } }

/* Role text — bottom right */
.imm-hero__role { position: absolute; z-index: 15; bottom: 40px; right: 40px; text-align: right; }
.imm-hero__role-line { width: 50px; height: 2px; background: var(--accent); margin-left: auto; margin-bottom: 12px; }
.imm-hero__role-title { font-family: 'Inter', sans-serif; font-weight: 600; font-size: clamp(14px, 1.5vw, 20px); letter-spacing: 2px; text-transform: uppercase; color: var(--text); }
.imm-hero__role-sub { font-family: 'Inter', sans-serif; font-weight: 300; font-size: clamp(11px, 1vw, 14px); letter-spacing: 1px; color: rgba(244,241,235,0.4); margin-top: 6px; }
.imm-hero__role-hook { font-family: 'Inter', sans-serif; font-weight: 400; font-size: clamp(10px, 0.9vw, 13px); letter-spacing: 1.5px; color: rgba(244,241,235,0.25); margin-top: 10px; }

/* Scroll indicator */
.imm-hero__scroll { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); z-index: 15; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.imm-hero__scroll span { font-family: 'Inter', sans-serif; font-size: 10px; letter-spacing: 3px; text-transform: uppercase; color: rgba(244,241,235,0.3); }
.imm-hero__scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, var(--accent), transparent); animation: scrollPulse 2s ease-in-out infinite; }
@keyframes scrollPulse { 0%, 100% { opacity: 1; transform: scaleY(1); } 50% { opacity: 0.3; transform: scaleY(0.6); } }

/* Skills marquee */
.imm-skills { padding: 100px 0; overflow: hidden; border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); position: relative; }
.imm-skills__label { font-family: 'Montserrat', sans-serif; font-size: 13px; font-weight: 800; letter-spacing: 5px; text-transform: uppercase; color: var(--accent); text-align: center; margin-bottom: 50px; }
.imm-skills__track { display: flex; gap: 20px; width: max-content; cursor: grab; user-select: none; will-change: transform; }
.imm-skills__track:active { cursor: grabbing; }
.imm-skill-pill { flex-shrink: 0; border: 1px solid rgba(255,255,255,0.12); padding: 18px 36px; font-family: 'Montserrat', sans-serif; font-size: 14px; font-weight: 800; letter-spacing: 2px; text-transform: uppercase; color: var(--text); cursor: grab; transition: background 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1), max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), min-width 0.4s cubic-bezier(0.16, 1, 0.3, 1); position: relative; overflow: hidden; white-space: nowrap; max-height: 56px; }
.imm-skill-pill:hover { background: var(--accent); border-color: var(--accent); max-height: 160px; white-space: normal; min-width: 300px; box-shadow: 0 0 60px var(--accent-glow); }
.imm-skill-pill__desc { display: block; font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 400; text-transform: none; letter-spacing: 0; line-height: 1.5; margin-top: 10px; opacity: 0; transform: translateY(6px); transition: opacity 0.3s 0.1s, transform 0.3s 0.1s; }
.imm-skill-pill:hover .imm-skill-pill__desc { opacity: 0.85; transform: translateY(0); }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* Section header */
.imm-section-header { padding: 120px 0 60px; text-align: center; position: relative; }
.imm-section-header__label { font-family: 'Montserrat', sans-serif; font-size: 14px; font-weight: 800; letter-spacing: 6px; text-transform: uppercase; color: rgba(255,255,255,0.25); }
.imm-section-header__label::before { content: ''; display: block; width: 40px; height: 2px; background: var(--accent); margin: 0 auto 20px; }

/* Case study cards (homepage) */
.imm-case { position: relative; height: 100vh; min-height: 600px; display: flex; align-items: flex-end; overflow: hidden; }
.imm-case__bg { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform 8s ease-out; }
.imm-case:hover .imm-case__bg { transform: scale(1.05); }
.imm-case__gradient { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.92) 0%, rgba(0,0,0,0.55) 50%, rgba(0,0,0,0.3) 100%); z-index: 1; }
.imm-case__content { position: relative; z-index: 2; padding: 80px; max-width: 700px; }
.imm-case__index { font-family: 'Montserrat', sans-serif; font-size: clamp(120px, 15vw, 220px); font-weight: 900; color: rgba(255,255,255,0.04); line-height: 1; position: absolute; top: 30px; right: 60px; z-index: 2; }
.imm-case__tag { font-family: 'Inter', sans-serif; font-size: 11px; font-weight: 600; letter-spacing: 4px; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; }
.imm-case__title { font-family: 'Montserrat', sans-serif; font-size: clamp(36px, 5vw, 72px); font-weight: 900; line-height: 1.05; letter-spacing: -0.03em; text-transform: uppercase; color: #fff; margin: 0 0 20px; }
.imm-case__desc { font-family: 'Inter', sans-serif; font-size: 16px; font-weight: 400; color: rgba(255,255,255,0.9); line-height: 1.7; margin-bottom: 36px; max-width: 500px; text-shadow: 0 1px 8px rgba(0,0,0,0.6); }
.imm-case__cta { display: inline-flex; align-items: center; gap: 10px; font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 600; letter-spacing: 3px; text-transform: uppercase; color: #fff; text-decoration: none; padding: 16px 0; border-bottom: 2px solid var(--accent); transition: color 0.3s ease, padding-left 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease; }
.imm-case__cta:hover { color: var(--accent); text-decoration: none; padding-left: 14px; }

/* Case study link reset */
a.imm-case { text-decoration: none; color: inherit; }

/* TonyGPT */
.imm-tonygpt { padding: 0; }
.imm-tonygpt__header { padding: 100px 0 40px; text-align: center; }
.imm-tonygpt__label { font-family: 'Inter', sans-serif; font-size: 11px; font-weight: 600; letter-spacing: 3px; text-transform: uppercase; color: rgba(255,255,255,0.35); margin-bottom: 12px; }
.imm-tonygpt__title { font-family: 'Montserrat', sans-serif; font-size: clamp(32px, 5vw, 56px); font-weight: 900; text-transform: uppercase; letter-spacing: -0.03em; color: var(--text); margin: 0 0 16px; }
.imm-tonygpt__desc { font-family: 'Inter', sans-serif; font-size: 16px; color: var(--text-muted); max-width: 480px; margin: 0 auto; }
.imm-tonygpt__wrapper { background: var(--bg); max-width: 1280px; margin: 0 auto; }
.imm-tonygpt__wrapper iframe { display: block; border: none; }

/* ===========================================
   6. ABOUT ME
   =========================================== */
.imm-about-hero { padding: 160px 40px 80px; max-width: 1120px; margin: 0 auto; position: relative; overflow: hidden; }
.imm-about-hero h1 { font-family: 'Montserrat', sans-serif; font-size: clamp(56px, 10vw, 140px); font-weight: 900; text-transform: uppercase; letter-spacing: -0.05em; line-height: 0.85; margin-bottom: 40px; color: var(--text); position: relative; z-index: 2; }
.imm-about-hero__ghost { position: absolute; font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: clamp(100px, 20vw, 300px); text-transform: uppercase; color: var(--text); opacity: 0.04; top: 50%; left: 50%; transform: translate(-50%, -50%); pointer-events: none; user-select: none; z-index: 0; line-height: 0.85; }
.imm-about-hero__asterisk { position: absolute; font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 48px; color: var(--accent); top: 30%; right: 15%; z-index: 1; }
.imm-about-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 60px; align-items: start; max-width: 1120px; margin: 0 auto; padding: 0 40px 80px; }
.imm-about-grid p { font-family: 'Inter', sans-serif; font-size: 16px; line-height: 1.8; color: var(--text-muted); margin-bottom: 20px; }
.imm-about-grid p:last-child { margin-bottom: 0; }
.imm-about-grid p strong { color: var(--text); font-weight: 600; }
.imm-about-image { width: 100%; aspect-ratio: 3 / 4; background-image: url('../images/tony-orange.PNG'); background-size: cover; background-position: center; position: sticky; top: 120px; }
.imm-about-experience { max-width: 800px; margin: 0 auto; padding: 80px 40px; border-top: 1px solid rgba(255,255,255,0.06); }
.imm-about-experience__heading { font-family: 'Inter', sans-serif; font-size: 11px; font-weight: 600; letter-spacing: 3px; text-transform: uppercase; color: var(--accent); margin-bottom: 40px; }
.imm-about-role { display: flex; justify-content: space-between; align-items: baseline; padding: 24px 0; border-bottom: 1px solid rgba(255,255,255,0.06); }
.imm-about-role__info { flex: 1; min-width: 0; }
.imm-about-role__company { font-family: 'Montserrat', sans-serif; font-size: 24px; font-weight: 900; color: #fff; letter-spacing: -0.01em; }
.imm-about-role__title { font-size: 15px; color: var(--text-muted); margin-top: 4px; }
.imm-about-role__years { font-family: 'Inter', sans-serif; font-size: 12px; font-weight: 500; letter-spacing: 2px; text-transform: uppercase; color: var(--accent); white-space: nowrap; margin-left: 40px; }
.imm-about-linkedin { max-width: 800px; margin: 0 auto; padding: 0 40px 80px; text-align: center; }
.imm-about-linkedin a { font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 500; letter-spacing: 2px; text-transform: uppercase; color: var(--text-muted); text-decoration: none; border-bottom: 1px solid rgba(255,255,255,0.15); padding-bottom: 4px; transition: color 0.3s, border-color 0.3s; }
.imm-about-linkedin a:hover { color: var(--accent); border-color: var(--accent); text-decoration: none; }

/* How I Like to Work */
.imm-about-values { max-width: 1120px; margin: 0 auto; padding: 100px 40px; border-top: 1px solid rgba(255,255,255,0.06); }
.imm-about-values__label { font-family: 'Inter', sans-serif; font-size: 11px; font-weight: 600; letter-spacing: 3px; text-transform: uppercase; color: var(--accent); margin-bottom: 60px; }
.imm-about-values__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.imm-about-values__col { display: flex; flex-direction: column; }
.imm-about-value { display: flex; align-items: baseline; gap: 24px; padding: 28px 0; border-bottom: 1px solid rgba(255,255,255,0.06); }
.imm-about-value__num { font-family: 'Montserrat', sans-serif; font-size: 11px; font-weight: 800; letter-spacing: 2px; color: rgba(255,255,255,0.15); flex-shrink: 0; }
.imm-about-value p { font-family: 'Montserrat', sans-serif; font-size: clamp(18px, 2vw, 24px); font-weight: 700; color: var(--text); line-height: 1.4; margin: 0; }

/* What I've Learned */
.imm-about-learned { max-width: 1120px; margin: 0 auto; padding: 100px 40px; border-top: 1px solid rgba(255,255,255,0.06); }
.imm-about-learned__label { font-family: 'Inter', sans-serif; font-size: 11px; font-weight: 600; letter-spacing: 3px; text-transform: uppercase; color: var(--accent); margin-bottom: 24px; }
.imm-about-learned > p { font-family: 'Inter', sans-serif; font-size: 16px; font-weight: 400; color: var(--text-muted); line-height: 1.6; margin: 0 0 60px; }
.imm-about-learned__grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 40px; }
.imm-about-learned__col { border-left: 2px solid rgba(255,255,255,0.06); padding-left: 24px; }
.imm-about-learned__phase { display: flex; align-items: baseline; gap: 12px; margin-bottom: 24px; }
.imm-about-learned__phase-num { font-family: 'Montserrat', sans-serif; font-size: clamp(40px, 5vw, 64px); font-weight: 900; color: rgba(255,255,255,0.06); line-height: 1; }
.imm-about-learned__phase h3 { font-family: 'Montserrat', sans-serif; font-size: 22px; font-weight: 900; text-transform: uppercase; letter-spacing: -0.02em; color: var(--text); margin: 0; }
.imm-about-learned__col p { font-family: 'Inter', sans-serif; font-size: 15px; font-weight: 400; color: var(--text-muted); line-height: 1.5; margin: 0; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.03); }

.reveal { opacity: 0; transform: translateY(40px); }

/* ===========================================
   7. PLAYGROUND
   =========================================== */
.imm-pg-hero { padding: 160px 40px 60px; max-width: 1120px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; overflow: hidden; }
.imm-pg-hero__ghost { position: absolute; font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: clamp(100px, 20vw, 300px); text-transform: uppercase; color: var(--text); opacity: 0.04; top: 50%; right: -5%; transform: translateY(-50%); pointer-events: none; user-select: none; z-index: 0; line-height: 0.85; }
.imm-pg-hero__plus { position: absolute; font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: clamp(80px, 15vw, 200px); color: var(--accent); opacity: 0.12; bottom: 10%; right: 10%; z-index: 0; pointer-events: none; line-height: 1; }
.imm-pg-hero__text .label { font-family: 'Inter', sans-serif; font-size: 12px; font-weight: 600; letter-spacing: 4px; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; }
.imm-pg-hero h1 { font-family: 'Montserrat', sans-serif; font-size: clamp(48px, 8vw, 80px); font-weight: 900; text-transform: uppercase; letter-spacing: -0.04em; line-height: 0.9; margin-bottom: 20px; }
.imm-pg-hero p { color: var(--text-muted); font-size: 18px; margin: 0; }
.imm-pg-hero__image img { width: 100%; height: auto; opacity: 0.8; filter: grayscale(20%); }
.imm-pg-section { max-width: 1120px; margin: 0 auto; padding: 100px 40px; }
.imm-pg-section h2 { font-family: 'Montserrat', sans-serif; font-size: clamp(40px, 6vw, 64px); font-weight: 900; text-transform: uppercase; letter-spacing: -0.04em; margin-bottom: 20px; }
.imm-pg-section > p { color: var(--text-muted); font-size: 16px; max-width: 600px; margin-bottom: 40px; }
.imm-pg-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.imm-pg-grid a { display: block; overflow: hidden; }
.imm-pg-grid img { width: 100%; height: 160px; object-fit: cover; transition: transform 0.6s ease, filter 0.6s ease; filter: grayscale(30%); }
.imm-pg-grid a:hover img { transform: scale(1.08); filter: grayscale(0%); }
.imm-pg-podcast { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; margin-top: 40px; }
.imm-pg-podcast p { color: var(--text-muted); font-size: 16px; line-height: 1.7; }
.imm-pg-podcast p a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.imm-pg-podcast p a:hover { color: #fff; }
.imm-pg-podcast__image img { width: 100%; height: auto; opacity: 0.85; transition: opacity 0.4s ease; }
.imm-pg-podcast__image:hover img { opacity: 1; }
.imm-pg-videos { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 40px; }
.imm-pg-video { position: relative; padding-top: 56.17%; background: #111; }
.imm-pg-video iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; }

/* ===========================================
   8. CASE STUDY — SHARED
   =========================================== */
/* Hero */
.imm-cs-hero { position: relative; height: 100vh; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.imm-cs-hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(244,241,235,0.02) 1px, transparent 1px), linear-gradient(0deg, rgba(244,241,235,0.02) 1px, transparent 1px); background-size: 80px 80px; pointer-events: none; z-index: 3; }
.imm-cs-hero__bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0.4; }
.imm-cs-hero__overlay { position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(10,10,10,0.4) 0%, rgba(10,10,10,0.85) 100%); }
.imm-cs-hero__ghost { position: absolute; z-index: 2; font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: clamp(80px, 14vw, 200px); line-height: 0.85; letter-spacing: -0.04em; text-transform: uppercase; color: var(--text); opacity: 0.03; top: 50%; left: 50%; transform: translate(-50%, -50%); user-select: none; pointer-events: none; white-space: nowrap; }
.imm-cs-hero__content { position: relative; z-index: 4; text-align: center; padding: 0 40px; }
.imm-cs-hero__tag { font-family: 'Inter', sans-serif; font-size: 12px; font-weight: 600; letter-spacing: 5px; text-transform: uppercase; color: var(--accent); margin-bottom: 24px; }
.imm-cs-hero__title { font-family: 'Montserrat', sans-serif; font-size: clamp(56px, 12vw, 180px); font-weight: 900; line-height: 0.9; letter-spacing: -0.04em; text-transform: uppercase; margin: 0; color: var(--text); }
.imm-cs-hero__subtitle { font-family: 'Inter', sans-serif; font-size: clamp(16px, 1.5vw, 22px); font-weight: 300; color: var(--text-muted); margin-top: 30px; max-width: 600px; margin-left: auto; margin-right: auto; }

/* Content sections */
.imm-cs-section { max-width: 800px; margin: 0 auto; padding: 120px 40px; }
.imm-cs-section--wide { max-width: 1120px; }
.imm-cs-section--full { max-width: 100%; padding-left: 0; padding-right: 0; }
.imm-cs-section p { font-size: 16px; line-height: 1.9; color: var(--text-muted); }
.imm-cs-section h2 { font-family: 'Montserrat', sans-serif; font-size: clamp(28px, 3.5vw, 40px); font-weight: 900; text-transform: uppercase; letter-spacing: -0.02em; margin-bottom: 24px; }
.imm-cs-section h3.section-title { font-family: 'Montserrat', sans-serif; font-size: 22px; font-weight: 700; color: var(--text); margin-bottom: 16px; margin-top: 60px; }
.imm-cs-section h4.section-subtitle { font-family: 'Montserrat', sans-serif; font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 16px; margin-top: 40px; }
.imm-cs-section h5.slide-title { font-family: 'Montserrat', sans-serif; font-size: 16px; font-weight: 700; color: var(--accent); margin-bottom: 16px; }
.imm-cs-section ol,
.imm-cs-section ul { color: var(--text-muted); font-size: 16px; line-height: 1.9; padding-left: 20px; }
.imm-cs-section ol li,
.imm-cs-section ul li { margin-bottom: 14px; }
.imm-cs-section ol li strong,
.imm-cs-section ul li strong { color: var(--text); }

/* Phase headers */
.imm-cs-phase { position: relative; margin-bottom: 100px; padding-left: 0; }
.imm-cs-phase__number { font-family: 'Montserrat', sans-serif; font-size: clamp(120px, 18vw, 260px); font-weight: 900; color: rgba(255,255,255,0.03); line-height: 0.8; position: absolute; top: -20px; left: -10px; user-select: none; pointer-events: none; }
.imm-cs-phase__title { font-family: 'Montserrat', sans-serif; font-size: clamp(36px, 5vw, 64px); font-weight: 900; text-transform: uppercase; letter-spacing: -0.03em; position: relative; color: var(--text); padding-top: 40px; }
.imm-cs-phase__title::before { content: ''; display: block; width: 40px; height: 3px; background: var(--accent); margin-bottom: 20px; }
.imm-cs-phase__desc { font-family: 'Inter', sans-serif; font-size: 18px; font-weight: 300; font-style: italic; color: var(--text-muted); margin-top: 16px; max-width: 500px; }

/* Two-column grid */
.imm-cs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.imm-cs-grid h3 { font-family: 'Montserrat', sans-serif; font-size: 13px; font-weight: 800; letter-spacing: 3px; text-transform: uppercase; color: var(--accent); margin-bottom: 24px; }
.imm-cs-grid p, .imm-cs-grid ul { font-size: 16px; color: var(--text-muted); line-height: 1.9; }
.imm-cs-grid li { margin-bottom: 10px; }
.imm-cs-grid ul.bulleted { list-style: disc; padding-left: 20px; }
.imm-cs-grid a { color: var(--accent); text-decoration: none; }
.imm-cs-grid a:hover { color: #fff; text-decoration: underline; }

/* Quote */
.imm-cs-quote { font-family: 'Montserrat', sans-serif; font-size: clamp(28px, 4vw, 56px); font-weight: 300; font-style: italic; line-height: 1.25; text-align: left; color: var(--text); padding: 140px 40px; max-width: 1000px; margin: 0 auto; position: relative; border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); }
.imm-cs-quote::before { content: ''; position: absolute; top: 0; left: 40px; width: 60px; height: 4px; background: var(--accent); }
.imm-cs-quote cite { display: block; font-family: 'Inter', sans-serif; font-size: 13px; font-style: normal; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--accent); margin-top: 30px; }

/* Images / figures */
.imm-cs-image { margin: 50px 0; }
.imm-cs-image img { width: 100%; height: auto; display: block; }
.imm-cs-image figcaption { font-family: 'Inter', sans-serif; font-size: 12px; font-weight: 500; letter-spacing: 1px; text-transform: uppercase; color: var(--text-muted); margin-top: 16px; text-align: center; }

/* Full-width dark sections */
.imm-cs-dark { background: #111; padding: 120px 40px; position: relative; }
.imm-cs-dark::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(230,57,70,0.3), transparent); }
.imm-cs-dark .inner { max-width: 1120px; margin: 0 auto; }

/* Accent section */
.imm-cs-accent { background: var(--accent); padding: 120px 40px; position: relative; }
.imm-cs-accent .inner { max-width: 900px; margin: 0 auto; }
.imm-cs-accent h2 { font-family: 'Montserrat', sans-serif; font-size: clamp(28px, 3.5vw, 40px); font-weight: 900; color: #fff; text-transform: uppercase; letter-spacing: -0.02em; margin-bottom: 16px; }
.imm-cs-accent p { color: rgba(255,255,255,0.85); font-size: 16px; line-height: 1.8; }
.imm-cs-accent ol { color: rgba(255,255,255,0.85); font-size: 16px; line-height: 1.8; padding-left: 20px; }
.imm-cs-accent ol li { margin-bottom: 10px; }
.imm-cs-accent figure img { width: 100%; height: auto; display: block; margin-top: 30px; }
.imm-cs-accent figcaption { font-family: 'Inter', sans-serif; font-size: 12px; font-weight: 500; letter-spacing: 1px; text-transform: uppercase; color: rgba(255,255,255,0.6); margin-top: 12px; text-align: center; }

/* Persona cards */
.imm-cs-personas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 50px; }
.imm-cs-persona { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-top: 3px solid var(--accent); padding: 36px 30px; text-align: center; }
.imm-cs-persona img { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; margin-bottom: 20px; border: 2px solid rgba(255,255,255,0.1); }
.imm-cs-persona h4 { font-family: 'Montserrat', sans-serif; font-size: 18px; font-weight: 800; margin-bottom: 4px; color: #fff; }
.imm-cs-persona .role { font-size: 13px; font-style: italic; color: var(--accent); margin-bottom: 20px; }
.imm-cs-persona p { font-size: 14px; line-height: 1.7; color: var(--text-muted); text-align: left; }

/* Principles */
.imm-cs-principles { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 50px; }
.imm-cs-principle { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15); border-left: 3px solid rgba(255,255,255,0.6); padding: 36px; }
.imm-cs-principle h4 { font-family: 'Montserrat', sans-serif; font-size: 18px; font-weight: 800; color: #fff; margin-bottom: 12px; display: flex; align-items: center; gap: 12px; }
.imm-cs-principle h4 img { width: 22px; height: 22px; }
.imm-cs-principle p { font-size: 15px; line-height: 1.8; color: rgba(255,255,255,0.75); }

/* Videos */
.imm-cs-videos { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; margin: 50px 0; }
.imm-cs-video h4 { font-family: 'Montserrat', sans-serif; font-size: 20px; font-weight: 800; margin-bottom: 16px; color: #fff; text-transform: uppercase; letter-spacing: -0.01em; }
.imm-cs-video__embed { position: relative; padding-top: 56.25%; background: #000; margin-bottom: 16px; border: 1px solid rgba(255,255,255,0.06); }
.imm-cs-video__embed iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; }
.imm-cs-video p { font-size: 15px; color: var(--text-muted); line-height: 1.7; }

/* Feedback cards */
.imm-cs-feedback { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 50px; }
.imm-cs-feedback-card { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06); border-left: 3px solid var(--accent); padding: 44px; }
.imm-cs-feedback-card.full-width { grid-column: 1 / -1; }
.imm-cs-feedback-card h5 { font-family: 'Montserrat', sans-serif; font-size: 18px; font-weight: 800; margin-bottom: 4px; color: #fff; }
.imm-cs-feedback-card .role { font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 500; color: var(--accent); margin-bottom: 24px; letter-spacing: 1px; text-transform: uppercase; }
.imm-cs-feedback-card blockquote { font-size: 15px; line-height: 1.9; color: var(--text-muted); font-style: italic; border: none; padding: 0; margin: 0; }

/* Case study navigation */
.imm-cs-nav { display: flex; justify-content: space-between; padding: 80px 40px; max-width: 1120px; margin: 0 auto; border-top: 1px solid rgba(255,255,255,0.08); }
.imm-cs-nav a { display: flex; align-items: center; gap: 20px; text-decoration: none; color: var(--text); font-family: 'Montserrat', sans-serif; font-size: clamp(18px, 2.5vw, 28px); font-weight: 900; letter-spacing: -0.02em; text-transform: uppercase; transition: color 0.3s; }
.imm-cs-nav a:hover { color: var(--accent); text-decoration: none; }
.imm-cs-nav a img { width: 16px; height: 16px; filter: invert(1); }
.imm-cs-nav__label { font-family: 'Inter', sans-serif; font-size: 11px; font-weight: 500; letter-spacing: 3px; text-transform: uppercase; color: var(--text-muted); display: block; margin-bottom: 8px; }

/* Section headings (shared across case studies) */
.imm-cs-section-heading { font-family: 'Montserrat', sans-serif; font-size: clamp(28px, 3vw, 36px); font-weight: 900; text-transform: uppercase; letter-spacing: -0.02em; margin-bottom: 30px; color: var(--text); }
.imm-cs-section-title { font-family: 'Montserrat', sans-serif; font-size: clamp(32px, 4vw, 48px); font-weight: 900; text-transform: uppercase; letter-spacing: -0.03em; margin-bottom: 30px; color: var(--text); }
.imm-cs-heading { font-family: 'Montserrat', sans-serif; font-size: clamp(24px, 3vw, 32px); font-weight: 900; text-transform: uppercase; letter-spacing: -0.02em; margin-bottom: 20px; color: var(--text); }
.imm-cs-subheading { font-family: 'Montserrat', sans-serif; font-size: 13px; font-weight: 800; letter-spacing: 4px; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
.imm-cs-sub-heading { font-family: 'Montserrat', sans-serif; font-size: 22px; font-weight: 800; color: var(--text); margin-bottom: 16px; margin-top: 60px; }

/* ===========================================
   9. CASE STUDY — FANOS-SPECIFIC
   =========================================== */
.imm-cs-highlights-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 40px; }
.imm-cs-highlight-card { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); padding: 30px; }
.imm-cs-highlight-card h4 { font-family: 'Montserrat', sans-serif; font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.imm-cs-highlight-card p { font-size: 14px; line-height: 1.7; color: var(--text-muted); }
.imm-cs-figma-embed { position: relative; width: 100%; height: 600px; margin: 40px 0; border: 1px solid rgba(255,255,255,0.08); background: #000; }
.imm-cs-figma-embed iframe { width: 100%; height: 100%; border: none; }
.imm-cs-prd-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 30px; }
.imm-cs-prd-grid p { font-size: 14px; line-height: 1.8; color: var(--text-muted); }
.imm-cs-prd-grid strong { color: var(--text); }
.imm-cs-conclusion-images { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 40px 0; }
.imm-cs-conclusion-images img { width: 100%; height: 300px; object-fit: cover; border: 1px solid rgba(255,255,255,0.06); }

/* ===========================================
   10. CASE STUDY — SDG&E-SPECIFIC
   =========================================== */
.imm-cs-list { list-style: none; padding: 0; margin: 0; }
.imm-cs-list li { position: relative; padding-left: 20px; margin-bottom: 10px; font-size: 15px; color: var(--text-muted); line-height: 1.8; }
.imm-cs-list li::before { content: ''; position: absolute; left: 0; top: 11px; width: 6px; height: 6px; background: var(--accent); border-radius: 50%; }
.imm-cs-sketches-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 40px 0; }
.imm-cs-sketches-grid .imm-cs-image { margin: 0; }
.imm-cs-wireframes { display: flex; gap: 24px; margin: 40px 0; align-items: flex-start; }
.imm-cs-wireframes .imm-cs-wireframe-item { flex: 1; min-width: 0; }
.imm-cs-wireframes .imm-cs-wireframe-item img { width: 100%; height: auto; display: block; border-radius: 8px; }
.imm-cs-embed { margin: 40px 0; border-radius: 4px; overflow: hidden; }
.imm-cs-embed iframe { width: 100%; border: 1px solid rgba(255,255,255,0.08); border-radius: 4px; background: transparent; }
.imm-cs-coming-soon { text-align: center; padding: 80px 40px; max-width: 800px; margin: 0 auto; }
.imm-cs-coming-soon h3 { font-family: 'Montserrat', sans-serif; font-size: 24px; font-weight: 700; color: var(--text-muted); }
.imm-cs-divider { width: 60px; height: 2px; background: var(--accent); margin: 0 auto 40px; }

/* ===========================================
   11. CASE STUDY — VERIZON SMB-SPECIFIC
   =========================================== */
.imm-cs-key-findings { display: grid; grid-template-columns: 1fr; gap: 0; margin: 30px 0; }
.imm-cs-key-finding { padding: 24px 0; border-bottom: 1px solid rgba(255,255,255,0.06); }
.imm-cs-key-finding:last-child { border-bottom: none; }
.imm-cs-key-finding h4 { font-family: 'Montserrat', sans-serif; font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.imm-cs-key-finding p { font-size: 14px; line-height: 1.7; color: var(--text-muted); }
.imm-cs-subjects { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin: 30px 0; }
.imm-cs-subject { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); padding: 20px; text-align: center; }
.imm-cs-subject h4 { font-family: 'Montserrat', sans-serif; font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.imm-cs-subject p { font-size: 12px; color: var(--text-muted); line-height: 1.5; }
.imm-cs-findings { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin: 30px 0; }
.imm-cs-finding { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06); padding: 30px; }
.imm-cs-finding h4 { font-family: 'Montserrat', sans-serif; font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 16px; line-height: 1.5; }
.imm-cs-finding ul { list-style: none; padding: 0; margin: 0; }
.imm-cs-finding ul li { font-size: 13px; line-height: 1.7; color: var(--text-muted); margin-bottom: 12px; padding-left: 16px; position: relative; }
.imm-cs-finding ul li::before { content: ''; position: absolute; left: 0; top: 8px; width: 4px; height: 4px; border-radius: 50%; background: var(--accent); }
.imm-cs-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin: 30px 0; align-items: start; }
.imm-cs-two-col ul { list-style: disc; padding-left: 20px; }
.imm-cs-persona-figures { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 30px; }
.imm-cs-persona-figures figure { margin: 0; }
.imm-cs-persona-figures img { width: 100%; height: auto; display: block; border: 1px solid rgba(255,255,255,0.08); }
.imm-cs-persona-figures figcaption { font-family: 'Inter', sans-serif; font-size: 12px; font-weight: 500; letter-spacing: 1px; text-transform: uppercase; color: var(--text-muted); margin-top: 10px; text-align: center; }
.imm-cs-pdf-embed { margin: 40px 0; text-align: center; }
.imm-cs-pdf-embed iframe,
.imm-cs-pdf-embed object { width: 100%; height: 600px; border: 1px solid rgba(255,255,255,0.08); }
.imm-cs-gif { margin: 40px 0; }
.imm-cs-gif img { width: 100%; height: auto; display: block; border: 1px solid rgba(255,255,255,0.08); }

/* ===========================================
   12. CASE STUDY — MOVIE MATCHER-SPECIFIC
   =========================================== */
.imm-cs-feature { display: flex; gap: 60px; align-items: center; margin: 60px 0; }
.imm-cs-feature--reverse { flex-direction: row-reverse; }
.imm-cs-feature__text { flex: 1; }
.imm-cs-feature__text h3 { font-family: 'Montserrat', sans-serif; font-size: 28px; font-weight: 800; text-transform: uppercase; letter-spacing: -0.02em; margin-bottom: 16px; color: var(--text); }
.imm-cs-feature__text p { font-size: 15px; color: var(--text-muted); line-height: 1.8; }
.imm-cs-feature__image { flex: 0 0 280px; }
.imm-cs-feature__image img { width: 280px; height: auto; border-radius: 20px; box-shadow: 0 20px 60px rgba(0,0,0,0.5); }
.imm-cs-tech-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 30px; }
.imm-cs-tech-card { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); padding: 30px; }
.imm-cs-tech-card h4 { font-family: 'Montserrat', sans-serif; font-size: 13px; font-weight: 800; letter-spacing: 3px; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.imm-cs-tech-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.imm-cs-accent .imm-cs-vibe-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 40px; }
.imm-cs-accent .imm-cs-vibe-grid h4 { font-family: 'Montserrat', sans-serif; font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.imm-cs-accent .imm-cs-vibe-grid p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.8); }

/* ===========================================
   13. RESPONSIVE — 991px (tablet)
   =========================================== */
@media (max-width: 991px) {
  /* Nav: show hamburger, hide links */
  .menu-button-2 { display: block; }
  .nav-menu {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 16px;
    padding: 24px 40px;
    z-index: 105;
  }
  .nav-menu.is-open {
    display: flex;
    background: rgba(10,10,10,0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .nav-menu.is-open .nav-link-accent-2 { color: rgba(255,255,255,0.7); font-size: 14px; }

  /* Homepage */
  .imm-case__content { padding: 40px; }
  .imm-case__index { font-size: 80px; right: 40px; }

  /* About me */
  .imm-about-grid { grid-template-columns: 1fr; }
  .imm-about-image { position: relative; top: 0; max-width: 480px; margin: 0 auto; }
  .imm-about-values__grid { grid-template-columns: 1fr; }
  .imm-about-learned__grid { grid-template-columns: 1fr 1fr; }

  /* Playground */
  .imm-pg-hero { grid-template-columns: 1fr; gap: 40px; padding: 140px 40px 40px; }
  .imm-pg-grid { grid-template-columns: repeat(4, 1fr); }
  .imm-pg-podcast { grid-template-columns: 1fr; }

  /* Case study grids */
  .imm-cs-grid,
  .imm-cs-personas,
  .imm-cs-principles,
  .imm-cs-videos,
  .imm-cs-feedback,
  .imm-cs-highlights-grid,
  .imm-cs-prd-grid,
  .imm-cs-conclusion-images,
  .imm-cs-two-col,
  .imm-cs-findings,
  .imm-cs-tech-grid { grid-template-columns: 1fr; }
  .imm-cs-feedback-card.full-width { grid-column: auto; }
  .imm-cs-subjects { grid-template-columns: repeat(3, 1fr); }
  .imm-cs-persona-figures { grid-template-columns: repeat(2, 1fr); }
  .imm-cs-sketches-grid { grid-template-columns: 1fr; }
  .imm-cs-wireframes { flex-wrap: wrap; }
  .imm-cs-wireframes .imm-cs-wireframe-item { flex: 0 0 calc(50% - 12px); }

  /* Movie Matcher features */
  .imm-cs-feature,
  .imm-cs-feature--reverse { flex-direction: column; }
  .imm-cs-feature__image { flex: none; }
  .imm-cs-accent .imm-cs-vibe-grid { grid-template-columns: 1fr; }
}

/* ===========================================
   14. RESPONSIVE — 767px (mobile)
   =========================================== */
@media (max-width: 767px) {
  /* Homepage — hero */
  .imm-hero__greeting { display: none; }
  .imm-hero__name-tony, .imm-hero__name-contreras { font-size: clamp(48px, 16vw, 120px); }
  .imm-hero__name-tony { top: 18%; left: 3%; }
  .imm-hero__name-contreras { bottom: 18%; right: 1%; }
  .imm-hero__photo { width: 220px; height: 220px; }
  .imm-hero__role { bottom: 24px; right: 24px; }
  .imm-hero__circular { bottom: 8%; left: 4%; width: 100px; height: 100px; }
  .imm-case { height: 80vh; }
  .imm-case__content { padding: 24px; }
  .imm-case__index { display: none; }

  /* Skills: static wrapped grid instead of marquee */
  .imm-skills__track { display: flex; flex-wrap: wrap; gap: 10px; width: auto; animation: none !important; justify-content: center; padding: 0 20px; cursor: default; }
  .imm-skill-pill { white-space: nowrap; max-height: none; padding: 10px 18px; font-size: 11px; cursor: default; }
  .imm-skill-pill:hover { background: transparent; border-color: rgba(255,255,255,0.15); max-height: none; min-width: 0; box-shadow: none; white-space: nowrap; }
  .imm-skill-pill__desc { display: none; }
  /* Hide duplicate pills used for seamless loop */
  .imm-skill-pill:nth-child(n+7) { display: none; }

  /* Footer */
  .imm-cs-footer { padding: 24px; flex-direction: column; gap: 12px; }

  /* About me */
  .imm-about-hero { padding: 130px 24px 60px; }
  .imm-about-hero h1 { font-size: clamp(40px, 8vw, 64px); margin-bottom: 24px; }
  .imm-about-grid { padding: 0 24px 60px; gap: 40px; }
  .imm-about-grid p { font-size: 15px; }
  .imm-about-experience { padding: 60px 24px; }
  .imm-about-values { padding: 60px 24px; }
  .imm-about-values__grid { grid-template-columns: 1fr; }
  .imm-about-learned { padding: 60px 24px; }
  .imm-about-learned__grid { grid-template-columns: 1fr; gap: 40px; }
  .imm-about-linkedin { padding: 0 24px 60px; }

  /* Playground */
  .imm-pg-hero { padding: 120px 24px 30px; }
  .imm-pg-hero h1 { font-size: 40px; }
  .imm-pg-section { padding: 60px 24px; }
  .imm-pg-section h2 { font-size: 36px; }
  .imm-pg-grid { grid-template-columns: repeat(3, 1fr); }
  .imm-pg-grid img { height: 130px; }
  .imm-pg-videos { grid-template-columns: 1fr; }

  /* Case studies */
  .imm-cs-hero__title { font-size: 48px; }
  .imm-cs-phase__number { font-size: 80px; }
  .imm-cs-phase__title { font-size: 28px; }
  .imm-cs-phase { margin-bottom: 60px; }
  .imm-cs-section { padding: 80px 24px; }
  .imm-cs-dark { padding: 80px 24px; }
  .imm-cs-accent { padding: 80px 24px; }
  .imm-cs-journey-map { padding: 60px 24px !important; }
  .imm-cs-nav { flex-direction: column; gap: 20px; padding: 60px 24px; }
  .imm-cs-quote { padding: 80px 24px; }
  .imm-cs-quote::before { left: 24px; }
  .imm-cs-section-title { font-size: 28px; }
  .imm-cs-figma-embed { height: 400px; }
  .imm-cs-conclusion-images img { height: 200px; }
  .imm-cs-subjects { grid-template-columns: repeat(2, 1fr); }
  .imm-cs-persona-figures { grid-template-columns: 1fr; }
  .imm-cs-wireframes .imm-cs-wireframe-item { flex: 0 0 100%; }
  .imm-cs-pdf-embed iframe,
  .imm-cs-pdf-embed object { height: 400px; }
}

/* ===========================================
   15. RESPONSIVE — 479px (small mobile)
   =========================================== */
@media (max-width: 479px) {
  /* Homepage — hero */
  .imm-hero__name-tony, .imm-hero__name-contreras { font-size: clamp(38px, 14vw, 80px); }
  .imm-hero__photo { width: 180px; height: 180px; }
  .imm-hero__plus { font-size: 100px; }
  .imm-hero__circular { display: none; }
  .imm-hero__role { bottom: 20px; right: 16px; }
  .imm-case__title { font-size: 28px; }
  .imm-case__desc { font-size: 14px; }
  .imm-skills { padding: 30px 0; }
  .imm-skill-pill { padding: 10px 18px; font-size: 11px; max-height: 38px; }

  /* Footer */
  .imm-cs-footer { padding: 20px 16px; }

  /* About me */
  .imm-about-hero { padding: 120px 16px 40px; }
  .imm-about-hero h1 { font-size: clamp(36px, 10vw, 48px); margin-bottom: 20px; }
  .imm-about-grid { padding: 0 16px 40px; gap: 30px; }
  .imm-about-grid p { font-size: 14px; line-height: 1.7; }
  .imm-about-experience { padding: 40px 16px; }
  .imm-about-role { flex-direction: column; align-items: flex-start; gap: 8px; }
  .imm-about-values { padding: 40px 16px; }
  .imm-about-value p { font-size: 16px; }
  .imm-about-learned { padding: 40px 16px; }
  .imm-about-learned__grid { gap: 30px; }
  .imm-about-role__years { margin-left: 0; }
  .imm-about-linkedin { padding: 0 16px 40px; }

  /* Playground */
  .imm-pg-hero { padding: 110px 20px 24px; }
  .imm-pg-section { padding: 48px 20px; }
  .imm-pg-grid { grid-template-columns: repeat(2, 1fr); }
  .imm-pg-grid img { height: 120px; }

  /* Case studies */
  .imm-cs-hero__title { font-size: 36px; }
  .imm-cs-hero__subtitle { font-size: 16px; margin-top: 20px; }
  .imm-cs-hero__tag { font-size: 10px; letter-spacing: 3px; }
  .imm-cs-phase__number { font-size: 60px; }
  .imm-cs-phase__title { font-size: 24px; padding-top: 24px; }
  .imm-cs-phase { margin-bottom: 48px; }
  .imm-cs-section { padding: 48px 16px; }
  .imm-cs-dark { padding: 48px 16px; }
  .imm-cs-accent { padding: 48px 16px; }
  .imm-cs-journey-map { padding: 48px 16px !important; }
  .imm-cs-nav { padding: 40px 16px; }
  .imm-cs-heading { font-size: 22px; }
  .imm-cs-section-title { font-size: 24px; }
  .imm-cs-grid { gap: 40px; }
  .imm-cs-figma-embed { height: 300px; }
  .imm-cs-wireframes { gap: 16px; }
  .imm-cs-subjects { grid-template-columns: 1fr 1fr; }
  .imm-cs-feedback-card { padding: 24px; }
  .imm-cs-finding { padding: 20px; }
  .imm-cs-quote { font-size: 22px; padding: 48px 16px; }
  .imm-cs-quote::before { left: 16px; }
  .imm-cs-feature__text h3 { font-size: 22px; }
  .imm-cs-feature__image { flex: none; }
  .imm-cs-feature__image img { width: 220px; }
}

/* ===========================================
   16. FOCUS & ACCESSIBILITY
   =========================================== */
/* Visible focus for keyboard navigation */
a.imm-case:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.nav-link-accent-2:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.menu-button-2:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.navbar-brand:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .imm-case__bg { transition: none; }
  .imm-hero__scroll-line { animation: none; opacity: 0.6; }
}

/* ── Lightbox ──────────────────────────────────────────────── */
[data-lightbox] { cursor: zoom-in; }
[data-lightbox] img { display: block; width: 100%; }

.lb-overlay {
  display: none; position: fixed; inset: 0; z-index: 10000;
  background: rgba(0,0,0,0.94);
  flex-direction: column; align-items: center; justify-content: center;
}
.lb-overlay.is-open { display: flex; }

.lb-img-wrap { flex: 1; display: flex; align-items: center; justify-content: center; width: 100%; min-height: 0; padding: 60px 80px 20px; box-sizing: border-box; }
.lb-img { max-width: 100%; max-height: 100%; object-fit: contain; }

.lb-close {
  position: absolute; top: 16px; right: 20px; z-index: 2;
  background: none; border: none; color: #fff; font-size: 36px;
  cursor: pointer; line-height: 1; opacity: 0.7; transition: opacity 0.2s;
}
.lb-close:hover { opacity: 1; }

.lb-prev, .lb-next {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 2;
  background: rgba(255,255,255,0.08); border: none; color: #fff;
  font-size: 40px; width: 52px; height: 72px; cursor: pointer;
  opacity: 0.6; transition: opacity 0.2s, background 0.2s;
}
.lb-prev:hover, .lb-next:hover { opacity: 1; background: rgba(255,255,255,0.15); }
.lb-prev { left: 12px; }
.lb-next { right: 12px; }

.lb-strip {
  display: flex; gap: 8px; padding: 12px 20px 20px;
  justify-content: center; flex-shrink: 0;
}
.lb-thumb {
  width: 72px; height: 48px; object-fit: cover; cursor: pointer;
  border: 2px solid transparent; opacity: 0.45; transition: opacity 0.2s, border-color 0.2s;
}
.lb-thumb:hover { opacity: 0.8; }
.lb-thumb.is-active { opacity: 1; border-color: var(--accent, #e63946); }

@media (max-width: 767px) {
  .lb-img-wrap { padding: 50px 16px 12px; }
  .lb-prev, .lb-next { width: 40px; height: 56px; font-size: 32px; }
  .lb-thumb { width: 56px; height: 38px; }
}