/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --black: #000000;
  --white: #FFFFFF;
  --accent: #00E5A0;
  --accent-glow: rgba(0, 229, 160, 0.15);
  --accent-border: rgba(0, 229, 160, 0.3);
  --gray-100: #F5F5F5;
  --gray-400: #9CA3AF;
  --gray-800: #1F1F1F;
  --gray-900: #0A0A0A;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --section-padding: 120px;
  --container-width: 1200px;
  --container-narrow: 800px;
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  color: var(--white);
  background: var(--black);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul,
ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
.mono-label {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}

h1 {
  font-size: 4rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

h2 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

h3 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

p {
  line-height: 1.7;
}

.text-muted {
  color: var(--gray-400);
}

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

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

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

.section--dark {
  background: var(--gray-900);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header p {
  margin-top: 16px;
  font-size: 1.125rem;
  color: var(--gray-400);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   CANVAS PARTICLES
   ============================================================ */
#particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: background 0.3s var(--ease-out), padding 0.3s var(--ease-out),
    backdrop-filter 0.3s var(--ease-out), -webkit-backdrop-filter 0.3s var(--ease-out);
}

.nav.scrolled,
.nav--scrolled {
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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

.nav__link--active::after {
  transform: scaleX(1);
}

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

.nav__brand {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.12em;
  text-decoration: none;
  transition: opacity 0.2s;
}

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

.nav__brand:hover {
  opacity: 0.8;
}

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

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-400);
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease-out);
}

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

.nav__link:hover::after {
  transform: scaleX(1);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 101;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
}

.nav__toggle--active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle--active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle--active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   MOBILE NAV OVERLAY
   ============================================================ */
.nav__mobile {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-out), visibility 0.3s var(--ease-out);
}

.nav__mobile--active {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
}

.nav__mobile--active .nav__mobile-link {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger mobile links */
.nav__mobile--active .nav__mobile-link:nth-child(1) { transition-delay: 0.05s; }
.nav__mobile--active .nav__mobile-link:nth-child(2) { transition-delay: 0.1s; }
.nav__mobile--active .nav__mobile-link:nth-child(3) { transition-delay: 0.15s; }
.nav__mobile--active .nav__mobile-link:nth-child(4) { transition-delay: 0.2s; }
.nav__mobile--active .nav__mobile-link:nth-child(5) { transition-delay: 0.25s; }

.nav__mobile-link {
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out), color 0.2s;
}

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

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: transform 0.2s var(--ease-spring), box-shadow 0.2s var(--ease-out),
    background 0.2s, color 0.2s, border-color 0.2s;
  cursor: pointer;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--accent);
  color: var(--black);
  border-color: var(--accent);
}

.btn--primary:hover {
  background: transparent;
  color: var(--accent);
  box-shadow: 0 0 24px var(--accent-glow), 0 0 48px var(--accent-glow);
}

.btn--ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--large {
  padding: 18px 40px;
  font-size: 1.0625rem;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 120px 24px 80px;
}

.hero__content {
  max-width: 860px;
  margin: 0 auto;
}

.hero__label {
  margin-bottom: 20px;
}

.hero__heading {
  margin-bottom: 24px;
  min-height: 1.05em;
}

.hero__heading .cursor {
  display: inline-block;
  width: 3px;
  height: 0.85em;
  background: var(--accent);
  margin-left: 4px;
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero__subtitle {
  font-size: 1.25rem;
  line-height: 1.65;
  color: var(--gray-400);
  max-width: 600px;
  margin: 0 auto 40px;
  opacity: 0;
  transition: opacity 0.6s var(--ease-out);
}

.hero__subtitle--visible {
  opacity: 1;
}

.hero__ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.hero__ctas--visible {
  opacity: 1;
  transform: translateY(0);
}

.hero__scroll-indicator--hidden {
  opacity: 0;
  pointer-events: none;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  transition: opacity 0.4s var(--ease-out);
  color: var(--gray-400);
  animation: bounce 2s ease-in-out infinite;
  cursor: pointer;
  transition: color 0.2s;
}

.hero__scroll-indicator:hover {
  color: var(--accent);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about__text h2 {
  margin-bottom: 28px;
}

.about__text p {
  color: var(--gray-400);
  margin-bottom: 16px;
  font-size: 1.0625rem;
}

.about__text p:last-child {
  margin-bottom: 0;
}

.about__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================================
   ORBIT RINGS (About visual)
   ============================================================ */
.orbit-rings {
  position: relative;
  width: 320px;
  height: 320px;
}

.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--accent-border);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: spin linear infinite;
}

.orbit-ring--1 {
  width: 100px;
  height: 100px;
  background: var(--accent-glow);
  border-color: var(--accent);
  animation: none;
  box-shadow: 0 0 30px var(--accent-glow), inset 0 0 30px var(--accent-glow);
}

.orbit-ring--2 {
  width: 200px;
  height: 200px;
  animation-duration: 12s;
  border-color: var(--accent-border);
}

.orbit-ring--3 {
  width: 320px;
  height: 320px;
  animation-duration: 20s;
  animation-direction: reverse;
  border-color: rgba(0, 229, 160, 0.12);
}

/* Pause rings until in viewport */
.orbit-rings:not(.orbit-rings--active) .orbit-ring {
  animation-play-state: paused;
}

@keyframes spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ============================================================
   SERVICES GRID
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--gray-900);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 16px;
  padding: 40px 32px;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, var(--accent-glow), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
  border-radius: 16px;
}

.card:hover {
  border-color: var(--accent-border);
  box-shadow: 0 8px 40px rgba(0, 229, 160, 0.08);
}

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

.card__icon {
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.card__title {
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.card__desc {
  color: var(--gray-400);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  position: relative;
  z-index: 1;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid var(--accent-border);
  border-radius: 4px;
  padding: 4px 10px;
  letter-spacing: 0.03em;
}

/* ============================================================
   PRODUCTS
   ============================================================ */
.product-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.phone-mockup {
  background: var(--gray-900);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 32px;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.04);
  max-width: 300px;
  margin: 0 auto;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}

.phone-mockup:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 48px 100px rgba(0, 0, 0, 0.7), 0 0 40px var(--accent-glow);
}

.phone-mockup img {
  width: 100%;
  height: auto;
  display: block;
}

.product-row__text .mono-label {
  margin-bottom: 16px;
}

.product-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.pill {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid var(--accent-border);
  border-radius: 100px;
  padding: 3px 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.product-row__text p {
  color: var(--gray-400);
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

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

.tech-pills span {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--gray-400);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 6px 14px;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  transition: gap 0.2s var(--ease-spring), opacity 0.2s;
}

.link-arrow:hover {
  gap: 12px;
  opacity: 0.85;
}

/* ============================================================
   EXPERTISE — ORBIT CONSTELLATION
   ============================================================ */
.orbit-constellation {
  position: relative;
  width: 480px;
  height: 480px;
  margin: 0 auto 64px;
}

.orbit-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-align: center;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 30px var(--accent-glow);
  z-index: 5;
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 1px dashed rgba(0, 229, 160, 0.2);
  animation: orbit-spin linear infinite;
}

.orbit--inner {
  width: 180px;
  height: 180px;
  margin-top: -90px;
  margin-left: -90px;
  animation-duration: 20s;
}

.orbit--middle {
  width: 300px;
  height: 300px;
  margin-top: -150px;
  margin-left: -150px;
  animation-duration: 35s;
  animation-direction: reverse;
}

.orbit--outer {
  width: 420px;
  height: 420px;
  margin-top: -210px;
  margin-left: -210px;
  animation-duration: 50s;
}

@keyframes orbit-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.orbit-node {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--white);
  background: var(--gray-800);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: 5px 10px;
  white-space: nowrap;
  cursor: default;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.orbit-node:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--accent);
}

/* Position 4 nodes at cardinal points of each ring (top, right, bottom, left) */
/* Inner ring nodes */
.orbit--inner .orbit-node:nth-child(1) { top: -14px; left: 50%; transform: translateX(-50%); }
.orbit--inner .orbit-node:nth-child(2) { top: 50%; right: -20px; transform: translateY(-50%); }
.orbit--inner .orbit-node:nth-child(3) { bottom: -14px; left: 50%; transform: translateX(-50%); }
.orbit--inner .orbit-node:nth-child(4) { top: 50%; left: -16px; transform: translateY(-50%); }

/* Middle ring nodes */
.orbit--middle .orbit-node:nth-child(1) { top: -14px; left: 50%; transform: translateX(-50%); }
.orbit--middle .orbit-node:nth-child(2) { top: 50%; right: -24px; transform: translateY(-50%); }
.orbit--middle .orbit-node:nth-child(3) { bottom: -14px; left: 50%; transform: translateX(-50%); }
.orbit--middle .orbit-node:nth-child(4) { top: 50%; left: -16px; transform: translateY(-50%); }

/* Outer ring nodes */
.orbit--outer .orbit-node:nth-child(1) { top: -14px; left: 50%; transform: translateX(-50%); }
.orbit--outer .orbit-node:nth-child(2) { top: 50%; right: -30px; transform: translateY(-50%); }
.orbit--outer .orbit-node:nth-child(3) { bottom: -14px; left: 50%; transform: translateX(-50%); }
.orbit--outer .orbit-node:nth-child(4) { top: 50%; left: -24px; transform: translateY(-50%); }

/* Tech grid (mobile fallback) */
.tech-grid {
  display: none;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 64px;
}

.tech-badge {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--gray-400);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 10px 14px;
  text-align: center;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.tech-badge:hover {
  color: var(--accent);
  border-color: var(--accent-border);
  background: var(--accent-glow);
}

/* Principles grid */
.principles-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 64px;
}

.principles-col h3 {
  margin-bottom: 20px;
  color: var(--white);
}

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

.principles-col li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--gray-400);
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.contact .mono-label {
  margin-bottom: 16px;
}

.contact h2 {
  margin-bottom: 20px;
}

.contact > p {
  color: var(--gray-400);
  font-size: 1.125rem;
  margin-bottom: 40px;
  line-height: 1.7;
}

.social-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 36px;
}

.social-icon {
  color: var(--gray-400);
  transition: color 0.2s, transform 0.2s var(--ease-spring);
  display: flex;
  align-items: center;
  justify-content: center;
}

.social-icon:hover {
  color: var(--accent);
  transform: translateY(-3px);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--accent-border);
  padding: 32px 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer__inner p {
  font-size: 0.875rem;
}

.footer__links {
  display: flex;
  gap: 24px;
}

.footer__links a {
  font-size: 0.875rem;
  color: var(--gray-400);
  text-decoration: none;
  transition: color 0.2s;
}

.footer__links a:hover {
  color: var(--white);
}

/* ============================================================
   SCROLL REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal--left {
  transform: translateX(-40px);
}

.reveal--right {
  transform: translateX(40px);
}

.reveal--up {
  transform: translateY(40px);
}

.reveal--scale {
  transform: scale(0.92);
}

.revealed {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1);
}

/* Stagger children */
.reveal--stagger .reveal:nth-child(1) { transition-delay: 0s; }
.reveal--stagger .reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal--stagger .reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal--stagger .reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal--stagger .reveal:nth-child(5) { transition-delay: 0.4s; }
.reveal--stagger .reveal:nth-child(6) { transition-delay: 0.5s; }

/* ============================================================
   TOOLTIP
   ============================================================ */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--gray-800);
  color: var(--white);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  padding: 5px 10px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  border: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 10;
}

[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============================================================
   MAGNETIC BUTTON EFFECT (applied via JS)
   ============================================================ */
.magnetic {
  transition: transform 0.3s var(--ease-out);
}

/* ============================================================
   TILT CARD EFFECT (applied via JS)
   ============================================================ */
[data-tilt] {
  transform-style: preserve-3d;
  will-change: transform;
}

/* ============================================================
   RESPONSIVE — TABLET (max-width: 1023px)
   ============================================================ */
@media (max-width: 1023px) {
  :root {
    --section-padding: 80px;
  }

  h1 {
    font-size: 2.75rem;
  }

  h2 {
    font-size: 2rem;
  }

  .nav__links {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }

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

  .about__visual {
    order: -1;
  }

  .services-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin: 0 auto;
  }

  .product-row {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .product-row__image {
    order: -1;
  }

  .product-title-row {
    justify-content: center;
  }

  .tech-pills {
    justify-content: center;
  }

  .orbit-constellation {
    display: none;
  }

  .tech-grid {
    display: grid;
  }

  .principles-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* ============================================================
   RESPONSIVE — MOBILE (max-width: 767px)
   ============================================================ */
@media (max-width: 767px) {
  :root {
    --section-padding: 60px;
  }

  h1 {
    font-size: 2.25rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .container,
  .container--narrow {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero__subtitle {
    font-size: 1.0625rem;
  }

  .hero__ctas {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__ctas .btn {
    justify-content: center;
  }

  .tech-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .orbit-rings {
    width: 220px;
    height: 220px;
  }

  .orbit-ring--2 {
    width: 140px;
    height: 140px;
  }

  .orbit-ring--3 {
    width: 220px;
    height: 220px;
  }
}

/* ============================================================
   POLICY PAGES (privacy-policy, terms-of-service)
   ============================================================ */
.policy-content {
  padding-top: 120px;
  padding-bottom: 60px;
}

.policy-content h1 {
  font-size: 2rem;
  margin-bottom: 8px;
}

.policy-content h2 {
  font-size: 1.25rem;
  margin-top: 32px;
  margin-bottom: 12px;
}

.policy-content p,
.policy-content li {
  color: var(--gray-400);
  line-height: 1.7;
}

.policy-content ul {
  padding-left: 20px;
  list-style: disc;
}

.policy-content a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

.policy-content a:hover {
  text-decoration: underline;
}

.policy-content__date {
  font-size: 0.875rem;
  color: var(--gray-400);
  margin-bottom: 24px;
}