/* ============================================================
   RADIXEN — css/style.css  v2
   Color palette: #FCF9F9 / #59BBD7 / #1D5B94 / #2888C2 / #171B33
   ============================================================ */

/* ---- Variables & Reset ----------------------------------- */
:root {
  --white:       #FCF9F9;
  --cyan:        #59BBD7;
  --dark-blue:   #1D5B94;
  --mid-blue:    #2888C2;
  --navy:        #171B33;
  --navy-card:   #1c2240;
  --navy-border: rgba(40, 136, 194, 0.15);
  --ff-display:  'Exo 2', sans-serif;
  --ff-mono:     'JetBrains Mono', monospace;
  --ease-out:    cubic-bezier(0.22, 1, 0.36, 1);
  --transition:  0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --section-pad: clamp(5rem, 10vw, 9rem);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--navy);
  color: var(--white);
  font-family: var(--ff-display);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main { overflow-x: hidden; }

/* ---- Scrollbar ------------------------------------------ */
::-webkit-scrollbar          { width: 4px; }
::-webkit-scrollbar-track    { background: var(--navy); }
::-webkit-scrollbar-thumb    { background: var(--dark-blue); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--mid-blue); }

/* ---- Utilities ------------------------------------------ */
.text-gradient {
  background: linear-gradient(110deg, var(--white) 20%, var(--cyan) 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-warm {
  background: linear-gradient(110deg, var(--cyan) 0%, var(--mid-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   INTRO OVERLAY
   ============================================================ */
#intro-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--navy);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  overflow: hidden;
}

#intro-logo-wrap {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

#intro-logo {
  width: 56px;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 18px rgba(89,187,215,0.45));
}

#intro-wordmark {
  font-family: var(--ff-display);
  font-size: 3.2rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: linear-gradient(110deg, var(--white) 30%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

#intro-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--dark-blue), var(--cyan));
}

/* ============================================================
   NAVIGATION
   ============================================================ */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  padding: 1.4rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.4s ease, backdrop-filter 0.4s ease, border-color 0.4s ease;
  border-bottom: 1px solid transparent;
}

nav.scrolled {
  background: rgba(23, 27, 51, 0.9);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--navy-border);
}

/* When mobile menu is open, remove backdrop-filter from nav — it creates a
   stacking context that traps position:fixed children to the nav's bounds */
nav.nav-open {
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.nav-brand { display: flex; align-items: center; }

.nav-logo {
  height: 34px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 2.75rem;
  list-style: none;
}

.nav-links a {
  color: rgba(252, 249, 249, 0.55);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: relative;
  transition: color var(--transition);
}

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

.nav-links a:hover            { color: var(--white); }
.nav-links a:hover::after     { width: 100%; }

/* "Services" nav link — slightly highlighted */
.nav-links .nav-services-link a {
  color: var(--cyan);
  opacity: 0.85;
}
.nav-links .nav-services-link a:hover { opacity: 1; }

.nav-links .nav-projects-link a:hover { color: var(--white); }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 210;
  flex-shrink: 0;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out), opacity 0.25s ease;
  transform-origin: center;
}

nav.nav-open .nav-hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
nav.nav-open .nav-hamburger span:nth-child(2) { opacity: 0; transform: scaleX(0); }
nav.nav-open .nav-hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
#hero {
  position: relative;
  height: 100svh;
  min-height: 640px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-align: center;
  max-width: 100%;
  padding: 0;
  margin: 0;
  width: 100%;
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

#hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 220px;
  background: linear-gradient(to bottom, transparent 0%, var(--navy) 100%);
  z-index: 1;
  pointer-events: none;
}

.hero-bg-glow {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 75% 60% at 50% -15%, rgba(29, 91, 148, 0.6) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 85% 85%, rgba(40, 136, 194, 0.1) 0%, transparent 60%),
    radial-gradient(ellipse 35% 35% at 8% 65%, rgba(89, 187, 215, 0.07) 0%, transparent 60%);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
  padding: 0 1.5rem;
}

.hero-logo {
  width: 72px;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 24px rgba(89,187,215,0.35));
}

.hero-eyebrow {
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.hero-title {
  font-size: clamp(3rem, 9.5vw, 8.5rem);
  font-weight: 800;
  line-height: 0.93;
  letter-spacing: -0.025em;
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  gap: 0.03em;
  white-space: nowrap;
}

.letter-wrap {
  display: inline-block;
  overflow: hidden;
  line-height: 1.05;
}

.letter { display: inline-block; }

.hero-subtitle {
  font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  font-weight: 400;
  color: rgba(252, 249, 249, 0.5);
  max-width: 500px;
  line-height: 1.75;
}

.hero-subtitle-accent {
  color: rgba(89, 187, 215, 0.9);
  font-weight: 500;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 0.6rem;
}

/* ---- Buttons -------------------------------------------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.8rem 1.9rem;
  background: linear-gradient(135deg, var(--mid-blue), var(--dark-blue));
  color: var(--white);
  border: none;
  border-radius: 8px;
  font-family: var(--ff-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(89,187,215,0.15), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(40, 136, 194, 0.4);
}

.btn-primary:hover::before { opacity: 1; }

.btn-primary svg {
  width: 15px; height: 15px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.btn-primary:hover svg { transform: translateX(4px); }

.btn-primary.btn-large {
  padding: 1rem 2.5rem;
  font-size: 1rem;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.9rem;
  background: transparent;
  color: rgba(252, 249, 249, 0.6);
  border: 1px solid rgba(252, 249, 249, 0.18);
  border-radius: 8px;
  font-family: var(--ff-display);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
}

.btn-ghost svg {
  width: 14px; height: 14px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--white);
  background: rgba(89, 187, 215, 0.07);
}

.btn-ghost.btn-services {
  border-color: rgba(89, 187, 215, 0.3);
  color: rgba(89, 187, 215, 0.8);
}

.btn-ghost.btn-services:hover {
  color: var(--cyan);
  background: rgba(89, 187, 215, 0.1);
  border-color: var(--cyan);
}

.btn-ghost.btn-services svg { stroke: var(--cyan); }
.btn-ghost.btn-services:hover svg { transform: translateX(4px); }

.btn-ghost.btn-projects {
  border-color: rgba(89, 187, 215, 0.3);
  color: rgba(89, 187, 215, 0.8);
}
.btn-ghost.btn-projects:hover {
  color: var(--cyan);
  background: rgba(89, 187, 215, 0.1);
  border-color: var(--cyan);
}
.btn-ghost.btn-projects svg { stroke: var(--cyan); }

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2.25rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  z-index: 3;
}

.scroll-indicator span {
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(252, 249, 249, 0.4);
}

.scroll-line {
  width: 1px;
  height: 42px;
  background: linear-gradient(to bottom, rgba(89, 187, 215, 0.9), transparent);
  animation: scrollPulse 2.2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5) translateY(-10px); }
  50%       { opacity: 1;   transform: scaleY(1)   translateY(0px); }
}

/* ============================================================
   SHARED SECTION STYLES
   ============================================================ */
section {
  padding: var(--section-pad) clamp(1.5rem, 5vw, 3rem);
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1.1rem;
  display: block;
}

.section-title {
  font-size: clamp(2.1rem, 4.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
}

.section-subtitle {
  font-size: 1.025rem;
  color: rgba(252, 249, 249, 0.48);
  max-width: 560px;
  margin-bottom: 4rem;
  line-height: 1.75;
}

/* Horizontal rule between major sections */
.section-rule {
  display: block;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--navy-border), transparent);
  margin: 0;
  border: none;
}

/* ============================================================
   AREAS / WORK SECTION
   ============================================================ */
#work { padding-top: clamp(5rem, 8vw, 7rem); }

.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.5rem;
}

.work-card {
  background: rgba(28, 34, 64, 0.55);
  border: 1px solid var(--navy-border);
  border-radius: 14px;
  padding: 2.25rem;
  position: relative;
  overflow: hidden;
  transition:
    transform 0.35s var(--ease-out),
    border-color 0.35s ease,
    box-shadow 0.35s ease;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.work-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--dark-blue), var(--cyan), var(--mid-blue));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease-out);
}

.work-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 50% -20%, rgba(40,136,194,0.07) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.work-card:hover {
  transform: translateY(-8px);
  border-color: rgba(40, 136, 194, 0.4);
  box-shadow: 0 24px 50px rgba(0,0,0,0.35), 0 0 0 1px rgba(89,187,215,0.06);
}

.work-card:hover::before { transform: scaleX(1); }
.work-card:hover::after  { opacity: 1; }

.card-icon {
  width: 46px;
  height: 46px;
  background: rgba(40, 136, 194, 0.1);
  border: 1px solid rgba(40, 136, 194, 0.18);
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.card-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--cyan);
  opacity: 0.8;
  transition: opacity var(--transition), transform var(--transition);
}

.work-card:hover .card-icon {
  background: rgba(40, 136, 194, 0.18);
  border-color: rgba(89, 187, 215, 0.3);
  transform: scale(1.08);
}

.work-card:hover .card-icon svg { opacity: 1; }

.card-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.7rem;
  letter-spacing: -0.01em;
}

.card-desc {
  font-size: 0.86rem;
  color: rgba(252, 249, 249, 0.45);
  line-height: 1.7;
}

.card-tag {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.22rem 0.7rem;
  background: rgba(89, 187, 215, 0.08);
  border: 1px solid rgba(89, 187, 215, 0.18);
  border-radius: 100px;
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(89, 187, 215, 0.75);
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
#services {
  position: relative;
  padding-top: clamp(5rem, 8vw, 7rem);
  overflow: hidden;
}

#services::before {
  content: '';
  position: absolute;
  top: 0; left: -10%; right: -10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--navy-border), transparent);
}

/* Ambient glow behind this entire section */
#services::after {
  content: '';
  position: absolute;
  top: -5%;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 40%;
  background: radial-gradient(ellipse at center, rgba(29, 91, 148, 0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

#services > * { position: relative; z-index: 1; }

/* ---- Services grid (4 offering cards) ------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 5rem;
}

.service-card {
  background: rgba(28, 34, 64, 0.6);
  border: 1px solid rgba(40, 136, 194, 0.12);
  border-radius: 20px;
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition:
    transform 0.4s var(--ease-out),
    border-color 0.4s ease,
    box-shadow 0.4s ease;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* Colored top-edge accent bar — always visible, per card */
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  opacity: 0.7;
  transition: opacity 0.4s ease, height 0.4s ease;
}

/* Diagonal corner glow — always subtle, blooms on hover */
.service-card::after {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 220px; height: 220px;
  border-radius: 50%;
  opacity: 0.07;
  transition: opacity 0.45s ease, transform 0.45s var(--ease-out);
  pointer-events: none;
}

/* Accent variants */
.service-card--cyan::before  { background: linear-gradient(90deg, transparent 0%, #59BBD7 40%, #59BBD7 60%, transparent 100%); }
.service-card--cyan::after   { background: radial-gradient(circle, #59BBD7, transparent 70%); }

.service-card--mid::before   { background: linear-gradient(90deg, transparent 0%, #2888C2 40%, #2888C2 60%, transparent 100%); }
.service-card--mid::after    { background: radial-gradient(circle, #2888C2, transparent 70%); }

.service-card--blue::before  { background: linear-gradient(90deg, transparent 0%, #1D5B94 40%, #59BBD7 80%, transparent 100%); }
.service-card--blue::after   { background: radial-gradient(circle, #1D5B94, transparent 70%); }

.service-card--deep::before  { background: linear-gradient(90deg, transparent 0%, #2888C2 20%, #59BBD7 60%, transparent 100%); }
.service-card--deep::after   { background: radial-gradient(circle, #2888C2, transparent 70%); }

/* Hover states */
.service-card:hover {
  transform: translateY(-10px);
  border-color: rgba(89, 187, 215, 0.28);
}
.service-card--cyan:hover  { box-shadow: 0 28px 60px rgba(0,0,0,0.35), 0 0 40px rgba(89, 187, 215, 0.1); }
.service-card--mid:hover   { box-shadow: 0 28px 60px rgba(0,0,0,0.35), 0 0 40px rgba(40, 136, 194, 0.12); }
.service-card--blue:hover  { box-shadow: 0 28px 60px rgba(0,0,0,0.35), 0 0 40px rgba(29, 91, 148, 0.14); }
.service-card--deep:hover  { box-shadow: 0 28px 60px rgba(0,0,0,0.35), 0 0 40px rgba(40, 136, 194, 0.12); }

.service-card:hover::before { opacity: 1; height: 2px; }
.service-card:hover::after  { opacity: 0.16; transform: scale(1.2); }

/* Giant watermark number */
.service-card-number {
  position: absolute;
  top: 1rem;
  right: 1rem;
  transform: translateY(-0.18em);
  font-family: var(--ff-display);
  font-size: clamp(5rem, 8vw, 7.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(89, 187, 215, 0.08);
  pointer-events: none;
  user-select: none;
  transition: -webkit-text-stroke-color 0.4s ease;
}
.service-card:hover .service-card-number {
  -webkit-text-stroke-color: rgba(89, 187, 215, 0.15);
}

.service-card-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.75rem;
  position: relative;
  z-index: 1;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s ease;
}

.service-card--cyan .service-card-icon  { background: rgba(89, 187, 215, 0.1);  border: 1px solid rgba(89, 187, 215, 0.22); }
.service-card--mid  .service-card-icon  { background: rgba(40, 136, 194, 0.1);  border: 1px solid rgba(40, 136, 194, 0.22); }
.service-card--blue .service-card-icon  { background: rgba(29, 91, 148, 0.15);  border: 1px solid rgba(29, 91, 148, 0.3); }
.service-card--deep .service-card-icon  { background: rgba(40, 136, 194, 0.1);  border: 1px solid rgba(89, 187, 215, 0.18); }

.service-card-icon svg {
  width: 24px;
  height: 24px;
  transition: stroke 0.3s ease, opacity 0.3s ease;
}

.service-card--cyan .service-card-icon svg { stroke: #59BBD7; }
.service-card--mid  .service-card-icon svg { stroke: #2888C2; }
.service-card--blue .service-card-icon svg { stroke: #5b9fd4; }
.service-card--deep .service-card-icon svg { stroke: #59BBD7; }

.service-card:hover .service-card-icon {
  transform: scale(1.1) rotate(-3deg);
}
.service-card--cyan:hover .service-card-icon { box-shadow: 0 0 20px rgba(89, 187, 215, 0.25); }
.service-card--mid:hover  .service-card-icon { box-shadow: 0 0 20px rgba(40, 136, 194, 0.25); }
.service-card--blue:hover .service-card-icon { box-shadow: 0 0 20px rgba(29, 91, 148, 0.3); }
.service-card--deep:hover .service-card-icon { box-shadow: 0 0 20px rgba(89, 187, 215, 0.2); }

.service-card-title {
  font-size: clamp(1.1rem, 1.5vw, 1.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.65rem;
  position: relative;
  z-index: 1;
}

.service-card-desc {
  font-size: 0.875rem;
  color: rgba(252, 249, 249, 0.48);
  line-height: 1.75;
  position: relative;
  z-index: 1;
  transition: color 0.3s ease;
}
.service-card:hover .service-card-desc { color: rgba(252, 249, 249, 0.62); }

.service-features {
  list-style: none;
  margin-top: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(40, 136, 194, 0.1);
  position: relative;
  z-index: 1;
}

.service-features li {
  font-size: 0.775rem;
  color: rgba(252, 249, 249, 0.38);
  padding-left: 1.2rem;
  position: relative;
  font-family: var(--ff-mono);
  letter-spacing: 0.03em;
  transition: color 0.3s ease, padding-left 0.3s ease;
}

.service-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.service-card--cyan .service-features li::before  { background: rgba(89, 187, 215, 0.35); }
.service-card--mid  .service-features li::before  { background: rgba(40, 136, 194, 0.4); }
.service-card--blue .service-features li::before  { background: rgba(29, 91, 148, 0.5); }
.service-card--deep .service-features li::before  { background: rgba(89, 187, 215, 0.3); }

.service-card:hover .service-features li {
  color: rgba(252, 249, 249, 0.55);
  padding-left: 1.4rem;
}

.service-card--cyan:hover .service-features li::before  { background: #59BBD7; box-shadow: 0 0 6px rgba(89,187,215,0.6); }
.service-card--mid:hover  .service-features li::before  { background: #2888C2; box-shadow: 0 0 6px rgba(40,136,194,0.6); }
.service-card--blue:hover .service-features li::before  { background: #5b9fd4; box-shadow: 0 0 6px rgba(91,159,212,0.5); }
.service-card--deep:hover .service-features li::before  { background: #59BBD7; box-shadow: 0 0 6px rgba(89,187,215,0.5); }

/* ---- Tech stack marquee ---------------------------------- */
.tech-marquee {
  overflow: hidden;
  margin-bottom: 5rem;
  padding: 1.4rem 0;
  border-top: 1px solid var(--navy-border);
  border-bottom: 1px solid var(--navy-border);
  position: relative;
}

.tech-marquee::before,
.tech-marquee::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 160px;
  z-index: 2;
  pointer-events: none;
}

.tech-marquee::before {
  left: 0;
  background: linear-gradient(to right, var(--navy) 20%, transparent 100%);
}

.tech-marquee::after {
  right: 0;
  background: linear-gradient(to left, var(--navy) 20%, transparent 100%);
}

.tech-track {
  display: flex;
  gap: 1.4rem;
  align-items: center;
  animation: marqueeScroll 40s linear infinite;
  width: max-content;
  will-change: transform;
}

.tech-track:hover { animation-play-state: paused; }

.tech-item {
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: rgba(252, 249, 249, 0.3);
  white-space: nowrap;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.tech-item:hover { color: rgba(89, 187, 215, 0.7); }

.tech-dot {
  color: rgba(89, 187, 215, 0.2);
  user-select: none;
}

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---- Portfolio section ----------------------------------- */
.portfolio-section { margin-bottom: 5rem; }

.portfolio-header {
  text-align: center;
  margin-bottom: 3rem;
}

.portfolio-title {
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 0.8rem;
}

.portfolio-subtitle {
  font-size: 0.875rem;
  color: rgba(252, 249, 249, 0.38);
  font-family: var(--ff-mono);
  letter-spacing: 0.06em;
}

.portfolio-coming-soon {
  margin-top: 2.5rem;
  text-align: center;
  font-size: 0.9rem;
  color: rgba(252, 249, 249, 0.45);
  font-family: var(--ff-mono);
  letter-spacing: 0.04em;
  border: 1px solid var(--navy-border);
  border-radius: 8px;
  padding: 1rem 1.5rem;
  background: rgba(28, 34, 64, 0.4);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.portfolio-card {
  border-radius: 18px;
  overflow: hidden;
  position: relative;
  height: 400px;
  border: 1px solid rgba(40, 136, 194, 0.12);
  transition:
    transform 0.45s var(--ease-out),
    border-color 0.45s ease,
    box-shadow 0.45s ease;
  cursor: default;
}

.portfolio-card:hover {
  transform: translateY(-10px) scale(1.015);
  border-color: rgba(89, 187, 215, 0.3);
  box-shadow: 0 34px 70px rgba(0,0,0,0.45), 0 0 0 1px rgba(89,187,215,0.1);
}

.portfolio-card-bg {
  position: absolute;
  inset: 0;
  transition: transform 0.7s var(--ease-out);
}

.portfolio-card:hover .portfolio-card-bg { transform: scale(1.06); }

/* Gradient art for each card */
.portfolio-card--blue .portfolio-card-bg {
  background:
    radial-gradient(ellipse 65% 55% at 15% 25%, rgba(89, 187, 215, 0.38) 0%, transparent 55%),
    radial-gradient(ellipse 50% 55% at 85% 75%, rgba(29, 91, 148, 0.65) 0%, transparent 55%),
    radial-gradient(ellipse 40% 30% at 70% 20%, rgba(40, 136, 194, 0.25) 0%, transparent 50%),
    linear-gradient(145deg, #162f5c 0%, #171B33 100%);
}

.portfolio-card--blue .portfolio-card-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(89, 187, 215, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(89, 187, 215, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
}

.portfolio-card--cyan .portfolio-card-bg {
  background:
    radial-gradient(ellipse 70% 50% at 80% 15%, rgba(89, 187, 215, 0.5) 0%, transparent 55%),
    radial-gradient(ellipse 55% 60% at 10% 80%, rgba(40, 136, 194, 0.5) 0%, transparent 55%),
    radial-gradient(ellipse 30% 40% at 50% 50%, rgba(29, 91, 148, 0.3) 0%, transparent 55%),
    linear-gradient(145deg, #1a406e 0%, #1c2240 100%);
}

.portfolio-card--cyan .portfolio-card-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    rgba(89, 187, 215, 0.025) 0px,
    rgba(89, 187, 215, 0.025) 1px,
    transparent 1px,
    transparent 28px
  );
}

.portfolio-card--mid .portfolio-card-bg {
  background:
    radial-gradient(ellipse 55% 50% at 55% 40%, rgba(40, 136, 194, 0.4) 0%, transparent 55%),
    radial-gradient(ellipse 65% 40% at 90% 10%, rgba(89, 187, 215, 0.22) 0%, transparent 55%),
    radial-gradient(ellipse 40% 50% at 5% 90%, rgba(29, 91, 148, 0.5) 0%, transparent 55%),
    linear-gradient(145deg, #171B33 0%, #1D5B94 100%);
}

.portfolio-card--mid .portfolio-card-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(89,187,215,0.06) 1px, transparent 1px);
  background-size: 24px 24px;
}

.portfolio-card-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.75rem;
  background: linear-gradient(to bottom, rgba(23, 27, 51, 0.1) 0%, rgba(23, 27, 51, 0.75) 65%, rgba(23, 27, 51, 0.9) 100%);
}

.portfolio-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.8rem;
  background: rgba(23, 27, 51, 0.7);
  border: 1px solid rgba(89, 187, 215, 0.25);
  border-radius: 100px;
  font-family: var(--ff-mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  width: fit-content;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.portfolio-status::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  animation: statusPulse 2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes statusPulse {
  0%, 100% { opacity: 0.4; transform: scale(0.75); }
  50%       { opacity: 1;   transform: scale(1.15); }
}

.portfolio-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0.75rem 0 0.85rem;
}

.portfolio-type {
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(89, 187, 215, 0.65);
  margin-bottom: 0.45rem;
  display: block;
}

.portfolio-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.portfolio-card-desc {
  font-size: 0.8rem;
  color: rgba(252, 249, 249, 0.48);
  line-height: 1.55;
}

.portfolio-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.portfolio-tags span {
  padding: 0.22rem 0.65rem;
  background: rgba(23, 27, 51, 0.75);
  border: 1px solid rgba(40, 136, 194, 0.22);
  border-radius: 100px;
  font-family: var(--ff-mono);
  font-size: 0.58rem;
  letter-spacing: 0.05em;
  color: rgba(252, 249, 249, 0.4);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* ---- Services CTA block ---------------------------------- */
.services-cta-block {
  margin-top: 3rem;
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(40, 136, 194, 0.2);
  text-align: center;
  padding: clamp(3rem, 6vw, 5.5rem) clamp(1.5rem, 5vw, 4rem);
  isolation: isolate;
}

.services-cta-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    rgba(28, 34, 64, 0.6),
    radial-gradient(ellipse 70% 80% at 50% -10%, rgba(29, 91, 148, 0.35) 0%, transparent 65%),
    radial-gradient(ellipse 40% 40% at 100% 100%, rgba(89, 187, 215, 0.05) 0%, transparent 60%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: -1;
}

.services-cta-block::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(89, 187, 215, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(89, 187, 215, 0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: -1;
}

.services-cta-label {
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1.1rem;
  display: block;
  opacity: 0.9;
}

.services-cta-title {
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.08;
  margin-bottom: 1rem;
}

.services-cta-sub {
  font-size: 1rem;
  color: rgba(252, 249, 249, 0.45);
  margin-bottom: 2.5rem;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
#about {
  position: relative;
  padding-top: clamp(5rem, 8vw, 7rem);
}

#about::before {
  content: '';
  position: absolute;
  top: 0; left: -10%; right: -10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--navy-border), transparent);
}

.about-inner { max-width: 740px; }

.about-p {
  font-size: 1.05rem;
  color: rgba(252, 249, 249, 0.62);
  line-height: 1.88;
  margin-bottom: 1.25rem;
}

.about-p strong { color: var(--white); font-weight: 700; }

.disclaimer-bar {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  margin-top: 2.75rem;
  padding: 1.1rem 1.4rem;
  background: rgba(29, 91, 148, 0.08);
  border: 1px solid rgba(40, 136, 194, 0.18);
  border-radius: 10px;
}

.disclaimer-icon {
  font-style: normal;
  color: var(--cyan);
  font-size: 0.85rem;
  margin-top: 0.08rem;
  flex-shrink: 0;
  opacity: 0.7;
}

.disclaimer-text {
  font-family: var(--ff-mono);
  font-size: 0.75rem;
  color: rgba(252, 249, 249, 0.38);
  line-height: 1.6;
}

.disclaimer-text strong {
  color: rgba(252, 249, 249, 0.55);
  font-weight: 500;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
#contact {
  position: relative;
  padding-top: clamp(5rem, 8vw, 7rem);
}

#contact::before {
  content: '';
  position: absolute;
  top: 0; left: -10%; right: -10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--navy-border), transparent);
}

.contact-wrapper {
  max-width: 660px;
  margin: 0 auto;
  text-align: center;
}

.contact-subtitle {
  margin-left: auto;
  margin-right: auto;
}

.contact-flow {
  margin-top: 2.75rem;
  min-height: 200px;
  position: relative;
}

.flow-step          { display: none; }
.flow-step.active   { display: block; }

/* Step 0 */
.cta-big {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1.2rem 2.8rem;
  background: linear-gradient(135deg, var(--mid-blue) 0%, var(--dark-blue) 100%);
  border: none;
  border-radius: 12px;
  font-family: var(--ff-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  cursor: pointer;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s ease;
  box-shadow: 0 6px 32px rgba(40, 136, 194, 0.32);
  letter-spacing: -0.01em;
  position: relative;
  overflow: hidden;
}

.cta-big::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(89,187,215,0.18), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.cta-big svg {
  width: 18px; height: 18px;
  transition: transform 0.3s ease;
}

.cta-big:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 48px rgba(40, 136, 194, 0.48);
}

.cta-big:hover::before  { opacity: 1; }
.cta-big:hover svg      { transform: translateX(5px); }

/* Step 1 */
.flow-heading {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.55rem;
}

.flow-sub {
  font-size: 0.875rem;
  color: rgba(252, 249, 249, 0.42);
  margin-bottom: 2rem;
}

.choice-grid {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  text-align: left;
}

.choice-btn {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  padding: 1.15rem 1.4rem;
  background: rgba(28, 34, 64, 0.65);
  border: 1px solid var(--navy-border);
  border-radius: 13px;
  cursor: pointer;
  font-family: var(--ff-display);
  color: var(--white);
  text-align: left;
  width: 100%;
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s var(--ease-out), box-shadow 0.25s ease;
}

.choice-btn:hover {
  background: rgba(40, 136, 194, 0.09);
  border-color: rgba(40, 136, 194, 0.4);
  transform: translateX(7px);
  box-shadow: 0 6px 22px rgba(0,0,0,0.25);
}

.choice-icon {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  background: rgba(40, 136, 194, 0.1);
  border: 1px solid rgba(40, 136, 194, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition), border-color var(--transition);
}

.choice-icon svg {
  width: 18px;
  height: 18px;
  stroke: var(--cyan);
  opacity: 0.75;
}

.choice-btn:hover .choice-icon {
  background: rgba(40, 136, 194, 0.2);
  border-color: rgba(89, 187, 215, 0.3);
}

.choice-btn:hover .choice-icon svg { opacity: 1; }

.choice-label {
  font-size: 0.925rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.choice-desc {
  font-size: 0.775rem;
  color: rgba(252, 249, 249, 0.38);
  line-height: 1.45;
}

/* Step 2 result */
.result-icon {
  font-size: 2.75rem;
  display: block;
  margin-bottom: 1.1rem;
}

.result-heading {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.65rem;
}

.result-sub {
  font-size: 0.875rem;
  color: rgba(252, 249, 249, 0.48);
  max-width: 520px;
  margin: 0 auto 1.85rem;
  line-height: 1.65;
}

.email-display {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  background: rgba(28, 34, 64, 0.75);
  border: 1px solid rgba(40, 136, 194, 0.25);
  border-radius: 11px;
  padding: 1.15rem 1.6rem;
  margin-bottom: 1.5rem;
}

.email-address {
  font-family: var(--ff-mono);
  font-size: 0.95rem;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.copy-btn {
  background: rgba(40, 136, 194, 0.1);
  border: 1px solid rgba(40, 136, 194, 0.28);
  border-radius: 6px;
  padding: 0.35rem 0.75rem;
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}

.copy-btn:hover  { background: rgba(40, 136, 194, 0.2); }
.copy-btn.copied { background: rgba(89,187,215,0.15); border-color: var(--cyan); color: var(--white); }

.flow-back {
  background: transparent;
  border: none;
  color: rgba(252, 249, 249, 0.3);
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: color 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.flow-back:hover { color: rgba(252, 249, 249, 0.65); }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  border-top: 1px solid var(--navy-border);
  padding: clamp(1.75rem, 3vw, 2.75rem) clamp(1.5rem, 4vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-logo {
  height: 26px;
  width: auto;
  object-fit: contain;
  opacity: 0.5;
  transition: opacity var(--transition);
}

.footer-logo:hover { opacity: 1; }

.footer-copy {
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  color: rgba(252, 249, 249, 0.25);
  letter-spacing: 0.08em;
}

.footer-links {
  display: flex;
  gap: 2.25rem;
  list-style: none;
  flex-wrap: wrap;
}

.footer-links a {
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  color: rgba(252, 249, 249, 0.28);
  text-decoration: none;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.footer-source {
  font-family: var(--ff-mono);
  font-size: 0.63rem;
  color: rgba(252, 249, 249, 0.18);
  letter-spacing: 0.04em;
  flex: 0 0 100%;
  text-align: center;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(40, 136, 194, 0.07);
}

.footer-source a {
  color: rgba(89, 187, 215, 0.4);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-source a:hover { color: rgba(89, 187, 215, 0.75); }

.footer-links a:hover { color: var(--cyan); }

/* ============================================================
   PROJECTS / OPEN SOURCE SECTION
   ============================================================ */
#projects {
  position: relative;
  padding-top: clamp(5rem, 8vw, 7rem);
}

#projects::before {
  content: '';
  position: absolute;
  top: 0; left: -10%; right: -10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--navy-border), transparent);
}

/* ---- Featured release spotlight ----------------------- */
.project-spotlight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
  background: rgba(28, 34, 64, 0.55);
  border: 1px solid var(--navy-border);
  border-radius: 24px;
  padding: clamp(2.5rem, 5vw, 4rem);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.project-spotlight::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--cyan) 35%, var(--mid-blue) 65%, transparent 100%);
  opacity: 0.7;
}

.project-spotlight::after {
  content: '';
  position: absolute;
  top: -30%; right: -5%;
  width: 55%; height: 70%;
  background: radial-gradient(ellipse at center, rgba(89, 187, 215, 0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.project-spotlight > * { position: relative; z-index: 1; }

/* ---- Project info (left) ------------------------------ */
.project-meta {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.project-release-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.85rem;
  background: rgba(89, 187, 215, 0.08);
  border: 1px solid rgba(89, 187, 215, 0.25);
  border-radius: 100px;
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
}

.project-release-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  animation: statusPulse 2s ease-in-out infinite;
  flex-shrink: 0;
}

.project-lang-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  background: rgba(40, 136, 194, 0.1);
  border: 1px solid rgba(40, 136, 194, 0.2);
  border-radius: 100px;
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(252, 249, 249, 0.5);
}

.project-name {
  font-family: var(--ff-mono);
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 0.75rem;
  background: linear-gradient(110deg, var(--white) 30%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.project-tagline {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  font-weight: 600;
  color: var(--white);
  margin-bottom: 1rem;
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.project-desc {
  font-size: 0.9rem;
  color: rgba(252, 249, 249, 0.5);
  line-height: 1.8;
  margin-bottom: 1.75rem;
}

.project-desc code {
  font-family: var(--ff-mono);
  color: var(--cyan);
  background: rgba(89, 187, 215, 0.1);
  border: 1px solid rgba(89, 187, 215, 0.18);
  border-radius: 4px;
  padding: 0.1em 0.4em;
  font-size: 0.88em;
}

.project-tags {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin-bottom: 2.25rem;
}

.project-tags span {
  padding: 0.25rem 0.75rem;
  background: rgba(23, 27, 51, 0.8);
  border: 1px solid rgba(40, 136, 194, 0.2);
  border-radius: 100px;
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(252, 249, 249, 0.4);
  transition: color var(--transition), border-color var(--transition);
}

.project-tags span:hover {
  color: var(--cyan);
  border-color: rgba(89, 187, 215, 0.35);
}

.project-actions {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
}

/* ---- Chat demo (right) --------------------------------- */
.project-chat {
  background: #0d1117;
  border: 1px solid rgba(89, 187, 215, 0.14);
  border-radius: 14px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.03),
    0 28px 60px rgba(0,0,0,0.55),
    0 0 50px rgba(89, 187, 215, 0.05);
  display: flex;
  flex-direction: column;
}

.chat-chrome {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
}

.chat-dots {
  display: flex;
  gap: 0.38rem;
}

.chat-dots span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.chat-dots span:nth-child(1) { background: #ff5f57; }
.chat-dots span:nth-child(2) { background: #febc2e; }
.chat-dots span:nth-child(3) { background: #28c840; }

.chat-chrome-title {
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: rgba(252, 249, 249, 0.28);
  flex: 1;
  text-align: center;
}

.chat-body {
  padding: 1.1rem 1.1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  overflow: hidden;
}

/* Chat messages */
.chat-msg {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.chat-msg-user { align-items: flex-end; }

.chat-msg-ai {
  align-items: flex-start;
  flex-direction: row;
  gap: 0.5rem;
}

.chat-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(89, 187, 215, 0.15) 0%, rgba(40, 136, 194, 0.25) 100%);
  border: 1px solid rgba(89, 187, 215, 0.28);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  color: var(--cyan);
  margin-top: 2px;
}

.chat-bubble {
  font-family: var(--ff-mono);
  font-size: 0.74rem;
  line-height: 1.62;
  color: rgba(252, 249, 249, 0.72);
  background: rgba(28, 34, 64, 0.65);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 3px 14px 14px 14px;
  padding: 0.5rem 0.8rem;
  max-width: calc(100% - 38px);
}

.chat-bubble-user {
  font-family: var(--ff-mono);
  font-size: 0.74rem;
  line-height: 1.62;
  color: rgba(252, 249, 249, 0.8);
  background: rgba(40, 136, 194, 0.16);
  border: 1px solid rgba(40, 136, 194, 0.22);
  border-radius: 14px 3px 14px 14px;
  padding: 0.5rem 0.8rem;
  max-width: 88%;
}

.chat-bubble-success {
  background: rgba(40, 200, 64, 0.05);
  border-color: rgba(40, 200, 64, 0.18);
}

.chat-tick  { color: #28c840; margin-right: 0.15em; }
.chat-warn-icon { color: #febc2e; margin-right: 0.2em; }

/* Handoff ID pill */
.chat-id-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(89, 187, 215, 0.07);
  border: 1px solid rgba(89, 187, 215, 0.24);
  border-radius: 6px;
  padding: 0.1rem 0.6rem;
  margin-top: 0.35rem;
}

.chat-id-text {
  font-family: var(--ff-mono);
  font-size: 0.74rem;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.chat-id-label {
  font-family: var(--ff-mono);
  font-size: 0.58rem;
  color: rgba(89, 187, 215, 0.42);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid rgba(89, 187, 215, 0.18);
  border-radius: 4px;
  padding: 0.1em 0.4em;
}

/* Inline ID reference in user message */
.chat-id-inline {
  color: var(--cyan);
  background: rgba(89, 187, 215, 0.08);
  border: 1px solid rgba(89, 187, 215, 0.2);
  border-radius: 4px;
  padding: 0.05em 0.3em;
  letter-spacing: 0.03em;
}

/* New session divider */
.chat-session-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(252, 249, 249, 0.2);
  margin: 0.2rem 0;
}

.chat-session-divider::before,
.chat-session-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.06);
}

/* Typing indicator */
.chat-typing {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.chat-bubble-typing {
  display: flex;
  align-items: center;
  gap: 0.38rem;
  padding: 0.5rem 0.8rem;
  border-radius: 3px 14px 14px 14px;
  background: rgba(28, 34, 64, 0.65);
  border: 1px solid rgba(255,255,255,0.07);
}

.chat-bubble-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(89, 187, 215, 0.45);
  display: block;
}

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30%            { transform: translateY(-5px); opacity: 1; }
}

.chat-bubble-typing span:nth-child(1) { animation: typingBounce 1.4s ease-in-out infinite; }
.chat-bubble-typing span:nth-child(2) { animation: typingBounce 1.4s ease-in-out 0.2s infinite; }
.chat-bubble-typing span:nth-child(3) { animation: typingBounce 1.4s ease-in-out 0.4s infinite; }

/* Context tags on restored AI message */
.chat-context-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.4rem;
}

.chat-context-tags span {
  font-family: var(--ff-mono);
  font-size: 0.63rem;
  letter-spacing: 0.04em;
  color: rgba(89, 187, 215, 0.72);
  background: rgba(89, 187, 215, 0.08);
  border: 1px solid rgba(89, 187, 215, 0.18);
  border-radius: 6px;
  padding: 0.2em 0.5em;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  nav {
    padding: 0 1.5rem;
    height: 60px;
    align-items: center;
  }

  .nav-hamburger { display: flex; }

  .nav-links {
    display: flex;
    position: fixed;
    inset: 0;
    background: rgba(23, 27, 51, 0.97);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    z-index: 205;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.35s var(--ease-out);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
  }

  nav.nav-open .nav-links {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-links a { font-size: 1.4rem; letter-spacing: 0.06em; }

  .project-spotlight  { grid-template-columns: 1fr; }
  .project-chat       { font-size: 0.95em; }
  .services-grid      { grid-template-columns: 1fr; }
  .portfolio-grid     { grid-template-columns: 1fr; }
  .portfolio-card     { height: 310px; }

  .hero-cta {
    flex-direction: column;
    align-items: center;
    width: 100%;
  }

  .btn-primary,
  .btn-ghost {
    width: 100%;
    max-width: 290px;
    justify-content: center;
  }

  footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 2rem 1.5rem;
  }

  .footer-links { gap: 1.5rem; }
}

@media (max-width: 480px) {
  .hero-title { font-size: clamp(3rem, 14vw, 4.5rem); }

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

  .email-display {
    flex-direction: column;
    gap: 0.7rem;
  }

  .copy-btn { width: 100%; justify-content: center; text-align: center; }

  .tech-marquee::before,
  .tech-marquee::after { width: 60px; }
}

/* ============================================================
   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-line    { animation: none; opacity: 0.5; }
  .tech-track     { animation: none; }
  .portfolio-status::before { animation: none; opacity: 1; }
}