/* ═══════════════════════════════════════════════════════════════════════
   THE MANSA STUDIO — DESIGN SYSTEM & STYLESHEET
   Obsidian Dark Mode (#0a0c10) · Glassmorphism · Ambient Mesh Glow
   Typography: Space Grotesk (Headlines) & Plus Jakarta Sans (Body)
   ═══════════════════════════════════════════════════════════════════════ */

/* ── Custom Properties & Tokens ──────────────────────────────────────── */
:root {
  --bg-deep: #07080b;
  --bg-obsidian: #0a0c10;
  --bg-surface: #0f131a;
  --bg-elevated: #161b24;

  --glass-bg: rgba(16, 20, 29, 0.55);
  --glass-bg-hover: rgba(24, 30, 44, 0.7);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-focus: rgba(139, 92, 246, 0.45);
  --glass-blur: blur(20px);

  --accent-violet: #8b5cf6;
  --accent-indigo: #6366f1;
  --accent-purple: #a855f7;
  --accent-cyan: #06b6d4;
  --neon-cyan: #00f3ff;
  --neon-cyan-glow: 0 0 35px rgba(0, 243, 255, 0.35);
  --neon-cyan-border: rgba(0, 243, 255, 0.45);
  --accent-emerald: #10b981;

  --accent-gradient: linear-gradient(135deg, #a855f7 0%, #6366f1 50%, #00f3ff 100%);
  --accent-glow: 0 0 35px rgba(0, 243, 255, 0.35);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #07080b;

  --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --transition-fast: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 320ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 450ms cubic-bezier(0.34, 1.56, 0.64, 1);

  --container-max: 1220px;
  --nav-height: 80px;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-obsidian);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

::selection {
  background: rgba(139, 92, 246, 0.35);
  color: #fff;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
}

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

/* ── Typography Utility ──────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  letter-spacing: -0.025em;
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
}

.accent {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ── Glassmorphism Utility ───────────────────────────────────────────── */
.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  position: relative;
  transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth), background var(--transition-smooth);
}

.glass:hover {
  background: var(--glass-bg-hover);
  border-color: rgba(0, 243, 255, 0.28);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), 0 0 28px rgba(0, 243, 255, 0.16);
}

/* ── Buttons ─────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  font-weight: 600;
  font-size: 0.938rem;
  border-radius: var(--radius-full);
  transition: transform var(--transition-bounce), box-shadow var(--transition-smooth), background var(--transition-smooth), border-color var(--transition-smooth);
  white-space: nowrap;
  user-select: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.55);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
}

.btn--lg {
  padding: 16px 32px;
  font-size: 1.05rem;
}

.btn--full {
  width: 100%;
}

/* ── Section Structure ───────────────────────────────────────────────── */
.section {
  padding: 120px 0;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.813rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-violet);
  margin-bottom: 14px;
  font-weight: 600;
}

.section-label::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent-violet);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-violet);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  margin-bottom: 18px;
  max-width: 760px;
}

.section-sub {
  color: var(--text-secondary);
  font-size: 1.125rem;
  max-width: 620px;
  margin-bottom: 56px;
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════════════════
   NAVIGATION BAR
   ═══════════════════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 100;
  transition: background var(--transition-smooth), border-color var(--transition-smooth), backdrop-filter var(--transition-smooth);
}

.nav.scrolled {
  background: rgba(10, 12, 16, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav__logo-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #7c3aed 0%, #4338ca 100%);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  box-shadow: 0 0 16px rgba(124, 58, 237, 0.4);
}

.nav__logo-text {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-primary);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav__link {
  font-size: 0.938rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--accent-gradient);
  transition: width var(--transition-smooth);
  border-radius: var(--radius-full);
}

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

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__link.active {
  color: var(--text-primary);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
}

.nav__hamburger span {
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-smooth), opacity var(--transition-smooth);
}

/* ── Mobile Drawer ───────────────────────────────────────────────────── */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.drawer.open {
  pointer-events: auto;
  opacity: 1;
}

.drawer__overlay {
  position: absolute;
  inset: 0;
  background: rgba(7, 8, 11, 0.75);
  backdrop-filter: blur(8px);
}

.drawer__panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(320px, 85vw);
  height: 100%;
  background: #0f131a;
  border-left: 1px solid var(--glass-border);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  transform: translateX(100%);
  transition: transform var(--transition-bounce);
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.6);
}

.drawer.open .drawer__panel {
  transform: translateX(0);
}

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

.drawer__close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  font-size: 1.1rem;
}

.drawer__links {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.drawer__link {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.drawer__link:hover {
  color: var(--accent-violet);
}

.drawer__cta {
  margin-top: auto;
}

/* ═══════════════════════════════════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: calc(var(--nav-height) + 60px);
  padding-bottom: 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

/* Ambient mesh glow */
.hero__mesh {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.mesh-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.45;
  mix-blend-mode: screen;
  will-change: transform;
}

.mesh-orb--1 {
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, #7c3aed 0%, transparent 70%);
  top: -120px;
  right: 5%;
  animation: floatOrb 18s ease-in-out infinite alternate;
}

.mesh-orb--2 {
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, #4338ca 0%, transparent 70%);
  bottom: 10%;
  left: -80px;
  animation: floatOrb 22s ease-in-out infinite alternate-reverse;
}

.mesh-orb--3 {
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, #0ea5e9 0%, transparent 70%);
  top: 40%;
  left: 45%;
  opacity: 0.25;
  animation: pulseOrb 12s ease-in-out infinite;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, -30px) scale(1.08); }
  100% { transform: translate(-30px, 40px) scale(0.95); }
}

@keyframes pulseOrb {
  0%, 100% { transform: scale(1); opacity: 0.2; }
  50% { transform: scale(1.2); opacity: 0.35; }
}

/* Grain overlay */
.hero__grain {
  position: absolute;
  inset: 0;
  opacity: 0.035;
  pointer-events: none;
  background-image: radial-gradient(rgba(255, 255, 255, 0.4) 1px, transparent 0);
  background-size: 24px 24px;
}

.hero__inner {
  position: relative;
  z-index: 1;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.25);
  font-size: 0.813rem;
  font-weight: 600;
  color: #c4b5fd;
  margin-bottom: 28px;
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: blinkDot 2s infinite ease-in-out;
}

@keyframes blinkDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.hero__headline {
  font-size: clamp(2.5rem, 6.2vw, 5.25rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin-bottom: 24px;
  max-width: 980px;
}

.hero__headline-accent {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero__sub {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  max-width: 680px;
  margin-bottom: 40px;
  line-height: 1.6;
}

.hero__ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 72px;
}

/* Metric Banner */
.hero__metrics {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 24px 36px;
  gap: 24px;
  max-width: 880px;
}

.metric {
  display: flex;
  align-items: center;
  gap: 16px;
}

.metric__icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-violet);
  flex-shrink: 0;
}

.metric__body {
  display: flex;
  flex-direction: column;
}

.metric__body strong {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 600;
}

.metric__body span {
  font-size: 0.813rem;
  color: var(--text-muted);
}

.metric__divider {
  width: 1px;
  height: 40px;
  background: var(--glass-border);
}

.hero__scroll {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
}

.hero__scroll-line {
  width: 1px;
  height: 24px;
  background: linear-gradient(to bottom, transparent, var(--accent-violet));
  animation: scrollDown 2s infinite ease-in-out;
}

@keyframes scrollDown {
  0% { transform: translateY(-8px); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: translateY(12px); opacity: 0; }
}

.hero__scroll-label {
  font-size: 0.688rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* ═══════════════════════════════════════════════════════════════════════
   DISCIPLINES SECTION
   ═══════════════════════════════════════════════════════════════════════ */
.disciplines__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.disc-card, .port-card {
  position: relative;
  overflow: hidden;
}

.disc-card::after, .port-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(450px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(0, 243, 255, 0.12), transparent 70%);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
  z-index: 1;
}

.disc-card:hover::after, .port-card:hover::after {
  opacity: 1;
}

/* ── Scroll Reveal System ─────────────────────────────────────────────── */
.reveal-item {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-item.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ── Back to Top Button ──────────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 28px;
  left: 28px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(15, 19, 26, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-smooth);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: rgba(0, 243, 255, 0.15);
  border-color: var(--neon-cyan-border);
  color: var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0, 243, 255, 0.3);
  transform: translateY(-2px);
}

.disc-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.disc-card:hover::before {
  opacity: 1;
}

.disc-card:hover {
  transform: translateY(-6px);
  border-color: var(--neon-cyan-border);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5), var(--neon-cyan-glow);
}

.disc-card__num {
  position: absolute;
  top: 24px;
  right: 28px;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-muted);
  opacity: 0.4;
  transition: color var(--transition-smooth), opacity var(--transition-smooth);
}

.disc-card:hover .disc-card__num {
  color: var(--neon-cyan);
  opacity: 0.8;
}

.disc-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-violet);
  margin-bottom: 28px;
  transition: transform var(--transition-bounce), background var(--transition-smooth), border-color var(--transition-smooth), color var(--transition-smooth);
}

.disc-card:hover .disc-card__icon {
  transform: scale(1.08) rotate(4deg);
  background: rgba(0, 243, 255, 0.15);
  border-color: rgba(0, 243, 255, 0.45);
  color: var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0, 243, 255, 0.3);
}

.disc-card__title {
  font-size: 1.45rem;
  margin-bottom: 14px;
  font-weight: 600;
}

.disc-card__desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 28px;
}

.disc-card__tags {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.disc-card__tags li {
  font-size: 0.781rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
}

/* ═══════════════════════════════════════════════════════════════════════
   SHOWCASE SECTION
   ═══════════════════════════════════════════════════════════════════════ */
.showcase__filters {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

.filter-btn {
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  transition: all var(--transition-smooth);
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
}

.filter-btn.active {
  background: var(--accent-gradient);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 18px rgba(124, 58, 237, 0.35);
}

.showcase__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.port-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), opacity 0.3s ease;
}

.port-card.hide {
  display: none;
}

.port-card:hover {
  transform: translateY(-8px);
  border-color: var(--neon-cyan-border);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.55), var(--neon-cyan-glow);
}

.port-card__thumb {
  position: relative;
  height: 240px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.port-card__gradient {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, var(--g1), var(--g2));
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.port-card:hover .port-card__gradient {
  transform: scale(1.08);
}

.port-card__overlay-icon {
  position: relative;
  z-index: 1;
  transition: transform var(--transition-bounce);
}

.port-card:hover .port-card__overlay-icon {
  transform: scale(1.15);
}

.port-card__cat-badge {
  position: absolute;
  bottom: 14px;
  left: 14px;
  z-index: 2;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(10, 12, 16, 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
}

.port-card__body {
  padding: 22px 20px;
}

.port-card__title {
  font-size: 1.15rem;
  margin-bottom: 6px;
  font-weight: 600;
}

.port-card__client {
  font-size: 0.844rem;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════════════════
   ABOUT / FOUNDER SECTION
   ═══════════════════════════════════════════════════════════════════════ */
.about {
  overflow: hidden;
  position: relative;
}

.about__mesh {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.mesh-orb--4 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #6366f1 0%, transparent 70%);
  top: 20%;
  right: -100px;
  opacity: 0.25;
}

.about__inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 72px;
  align-items: center;
}

.about__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.about__avatar-ring {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  padding: 4px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 50px rgba(139, 92, 246, 0.35);
}

.about__avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: #0f131a;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about__stat-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  width: 100%;
}

.about__stat {
  padding: 18px 12px;
  text-align: center;
  border-radius: var(--radius-md);
}

.about__stat-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-violet);
  margin-bottom: 4px;
}

.about__stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.about__content .section-title {
  margin-bottom: 24px;
}

.about__divider {
  width: 60px;
  height: 3px;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  margin-bottom: 28px;
}

.about__bio {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 18px;
}

.about__bio strong {
  color: var(--text-primary);
  font-weight: 600;
}

.about__bio em {
  color: #c4b5fd;
  font-style: italic;
}

.about__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.tag {
  font-size: 0.813rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.25);
  color: #c4b5fd;
}

/* ═══════════════════════════════════════════════════════════════════════
   CONTACT SECTION
   ═══════════════════════════════════════════════════════════════════════ */
.contact__layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 36px;
  align-items: start;
}

.contact__direct {
  padding: 40px 36px;
}

.contact__direct-title {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.contact__direct-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 28px;
}

.contact__email-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  margin-bottom: 36px;
  gap: 12px;
}

.contact__email-link {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--accent-violet);
  font-weight: 600;
  word-break: break-all;
}

.contact__email-link:hover {
  text-decoration: underline;
}

.contact__copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.3);
  color: #fff;
  font-size: 0.813rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.contact__copy-btn:hover {
  background: rgba(139, 92, 246, 0.3);
}

.contact__info-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact__info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.contact__info-item svg {
  color: var(--accent-violet);
  flex-shrink: 0;
}

/* Contact Form */
.contact__form {
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact__form-title {
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 0.844rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-label span {
  color: var(--accent-violet);
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-size: 0.938rem;
  transition: border-color var(--transition-smooth), background var(--transition-smooth), box-shadow var(--transition-smooth);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input:focus {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--glass-border-focus);
  box-shadow: 0 0 16px rgba(139, 92, 246, 0.2);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2394a3b8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-select option {
  background-color: var(--bg-surface);
  color: var(--text-primary);
}

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

.form-note {
  font-size: 0.781rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 4px;
}

/* ═══════════════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════════════ */
.footer {
  border-top: 1px solid var(--glass-border);
  background: #07080b;
  padding: 60px 0 40px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer__tagline {
  color: var(--text-muted);
  font-size: 0.875rem;
  max-width: 320px;
}

.footer__nav ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__nav a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer__nav a:hover {
  color: var(--text-primary);
}

.footer__right {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-end;
}

.footer__email {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--accent-violet);
  font-size: 0.95rem;
}

.footer__email:hover {
  text-decoration: underline;
}

.footer__copy {
  color: var(--text-muted);
  font-size: 0.813rem;
}

/* ═══════════════════════════════════════════════════════════════════════
   PORTFOLIO MODAL
   ═══════════════════════════════════════════════════════════════════════ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.modal:not([hidden]) {
  opacity: 1;
  pointer-events: auto;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(7, 8, 11, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.modal__panel {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px;
  background: #0f131a;
  transform: scale(0.94);
  transition: transform var(--transition-bounce);
}

.modal:not([hidden]) .modal__panel {
  transform: scale(1);
}

.modal__close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  z-index: 2;
}

.modal__close:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  transform: rotate(90deg);
}

.modal__thumb {
  height: 220px;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  margin-bottom: 24px;
}

.modal__thumb-gradient {
  position: absolute;
  inset: 0;
}

.modal__body {
  display: flex;
  flex-direction: column;
}

.modal__badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(139, 92, 246, 0.15);
  color: #c4b5fd;
  border: 1px solid rgba(139, 92, 246, 0.3);
  margin-bottom: 12px;
}

.modal__title {
  font-size: 1.75rem;
  margin-bottom: 6px;
}

.modal__client {
  color: var(--accent-violet);
  font-weight: 500;
  font-size: 0.938rem;
  margin-bottom: 18px;
}

.modal__desc {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.modal__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.modal__tag {
  font-size: 0.781rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
}

/* ═══════════════════════════════════════════════════════════════════════
   TOAST NOTIFICATION
   ═══════════════════════════════════════════════════════════════════════ */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 400;
  padding: 12px 20px;
  border-radius: var(--radius-full);
  background: rgba(16, 20, 29, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(139, 92, 246, 0.4);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  transform: translateY(100px);
  opacity: 0;
  transition: transform var(--transition-bounce), opacity var(--transition-smooth);
  pointer-events: none;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ═══════════════════════════════════════════════════════════════════════
   RESPONSIVENESS & BREAKPOINTS
   ═══════════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .disciplines__grid {
    grid-template-columns: 1fr;
  }

  .showcase__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about__visual {
    order: -1;
  }

  .about__stat-cards {
    max-width: 500px;
  }

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

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

  .footer__right {
    grid-column: span 2;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 70px;
  }

  .nav__links,
  .nav__cta {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .hero {
    padding-top: calc(var(--nav-height) + 30px);
  }

  .hero__metrics {
    grid-template-columns: 1fr;
    padding: 20px 24px;
    gap: 16px;
  }

  .metric__divider {
    width: 100%;
    height: 1px;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer__right {
    grid-column: span 1;
  }

  .break-mobile {
    display: block;
  }
}

@media (min-width: 769px) {
  .break-mobile {
    display: none;
  }
}