/* ===== Variables ===== */
:root {
  --bg-primary: #050a12;
  --bg-secondary: #0a1220;
  --bg-card: rgba(10, 20, 40, 0.6);
  --bg-card-hover: rgba(15, 30, 55, 0.8);
  --neon-blue: #00a3ff;
  --neon-blue-dim: #0077cc;
  --neon-glow: rgba(0, 163, 255, 0.4);
  --neon-glow-strong: rgba(0, 163, 255, 0.15);
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: rgba(0, 163, 255, 0.15);
  --border-hover: rgba(0, 163, 255, 0.4);
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Rajdhani', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --header-height: 72px;
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

strong {
  color: var(--neon-blue);
  font-weight: 600;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Background Effects ===== */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 163, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 163, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}

.bg-glow--1 {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -100px;
  background: radial-gradient(circle, rgba(0, 163, 255, 0.12) 0%, transparent 70%);
}

.bg-glow--2 {
  width: 500px;
  height: 500px;
  bottom: 20%;
  left: -150px;
  background: radial-gradient(circle, rgba(0, 100, 200, 0.08) 0%, transparent 70%);
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background: rgba(5, 10, 18, 0.85);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}

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

.nav__brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav__mini-logo {
  height: 34px;
  width: auto;
  object-fit: contain;
  opacity: 0.95;
  margin-left: 18px;
}

.nav__logo-video {
  width: 52px;
  height: 52px;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.nav__logo:hover .nav__logo-video {
  box-shadow: 0 0 20px var(--neon-glow);
  border-color: #66ccff;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav__link {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: 8px;
  color: var(--text-secondary);
  transition: color var(--transition), background var(--transition);
}

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

.nav__link--active {
  color: var(--neon-blue);
  background: var(--neon-glow-strong);
}

.nav__link--cta {
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-blue-dim));
  color: var(--text-primary) !important;
  box-shadow: 0 0 20px var(--neon-glow);
}

.nav__link--cta:hover {
  box-shadow: 0 0 30px var(--neon-glow);
  transform: translateY(-1px);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--neon-blue);
  transition: var(--transition);
  border-radius: 2px;
}

.nav__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.btn--primary {
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-blue-dim));
  color: var(--text-primary);
  box-shadow: 0 4px 24px var(--neon-glow);
}

.btn--primary:hover {
  box-shadow: 0 6px 32px var(--neon-glow);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--neon-blue);
  border: 1px solid var(--border-hover);
}

.btn--outline:hover {
  background: var(--neon-glow-strong);
  border-color: var(--neon-blue);
}

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

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  z-index: 1;
  overflow: hidden;
}

.section-bg-logo {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.section-bg-logo img {
  width: min(920px, 95vw);
  max-height: 90%;
  object-fit: contain;
  opacity: 0.12;
  filter: drop-shadow(0 0 80px rgba(0, 163, 255, 0.25));
  mask-image: radial-gradient(ellipse at center, #000 20%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 20%, transparent 72%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 80px 24px 120px;
}

.hero__tag {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--neon-blue);
  margin-bottom: 20px;
  letter-spacing: 0.1em;
}

.code-bracket {
  color: var(--text-muted);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.text-gradient {
  background: linear-gradient(135deg, var(--neon-blue), #66ccff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 20px;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}

.hero__motto {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

/* ===== Logo frame ===== */
.logo-frame {
  display: block;
  border: 2px solid var(--neon-blue);
  border-radius: 50%;
  aspect-ratio: 1;
  object-fit: cover;
  padding: 0;
  background: var(--bg-primary);
  box-shadow: 0 0 16px var(--neon-glow);
  overflow: hidden;
}

.hero__logo.logo-frame {
  width: 300px;
  height: 300px;
  box-shadow: 0 0 32px var(--neon-glow);
}

.footer__logo .logo-frame {
  width: 48px;
  height: 48px;
}

.hero__logo-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__logo {
  position: relative;
  z-index: 2;
  animation: float 6s ease-in-out infinite;
}

.hero__logo-ring {
  position: absolute;
  width: 320px;
  height: 320px;
  border: 1px solid var(--border);
  border-radius: 50%;
  animation: spin 20s linear infinite;
}

.hero__logo-ring--2 {
  width: 360px;
  height: 360px;
  border-style: dashed;
  animation-direction: reverse;
  animation-duration: 30s;
}

.hero__stats {
  display: flex;
  gap: 32px;
}

.stat {
  text-align: center;
  padding: 16px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
}

.stat__number {
  display: block;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--neon-blue);
  margin-bottom: 4px;
}

.stat__label {
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--neon-blue), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* ===== Sections ===== */
.section {
  position: relative;
  padding: 100px 0;
  z-index: 1;
  overflow: hidden;
}

.section > .container {
  position: relative;
  z-index: 1;
}

.section--dark {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.section__tag {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--neon-blue);
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 12px;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.section__desc {
  font-size: 20px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== About ===== */
.about__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
  align-items: center;
}

.about__text p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 18px;
  line-height: 1.8;
}

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

.about__video-wrap {
  position: relative;
  width: 112%;
  max-width: 112%;
  margin-left: -6%;
}

.about__video-player {
  display: block;
  width: 100%;
  border: 2px solid var(--neon-blue);
  border-radius: var(--radius-lg);
  padding: 4px;
  background: var(--bg-primary);
  box-shadow: 0 0 32px var(--neon-glow);
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.about__video-mute {
  position: absolute;
  right: 16px;
  bottom: 16px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--neon-blue);
  border-radius: 50%;
  background: rgba(5, 10, 18, 0.85);
  color: var(--neon-blue);
  cursor: pointer;
  box-shadow: 0 0 16px var(--neon-glow);
  transition: all var(--transition);
  z-index: 2;
}

.about__video-mute:hover {
  background: var(--neon-glow-strong);
  border-color: #66ccff;
  box-shadow: 0 0 24px var(--neon-glow);
}

.about__video-mute-icon {
  width: 22px;
  height: 22px;
}

.about__video-mute[aria-pressed="true"] .about__video-mute-icon--on {
  display: none;
}

.about__video-mute[aria-pressed="true"] .about__video-mute-icon--off {
  display: block;
}

.about__video-mute[aria-pressed="false"] .about__video-mute-icon--off {
  display: none;
}

@media (min-width: 769px) {
  .about__grid {
    align-items: center;
  }

  .about__video {
    align-self: center;
    align-items: center;
  }

  .about__video-wrap {
    height: auto;
  }

  .about__video-player {
    aspect-ratio: 16 / 9;
    height: auto;
    max-height: 380px;
  }
}

.feature-card {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: all var(--transition);
}

.feature-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.feature-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--neon-glow-strong);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--neon-blue);
  margin-bottom: 16px;
}

.feature-card__icon svg {
  width: 22px;
  height: 22px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.feature-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== Services ===== */
.services__banner {
  display: block;
  width: calc(100vw - 48px);
  max-width: none;
  margin-left: calc(50% - 50vw + 24px);
  margin-bottom: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: 0 0 24px var(--neon-glow);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  position: relative;
  padding: 36px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: all var(--transition);
  overflow: hidden;
}

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

.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 163, 255, 0.1);
}

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

.service-card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.service-card__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 20px 0 16px;
  color: var(--neon-blue);
}

.service-card__icon svg {
  width: 32px;
  height: 32px;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 0.03em;
}

.service-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== Values ===== */
.values__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.value-item {
  padding: 32px 24px;
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.value-item:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.value-item__bar {
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, var(--neon-blue), transparent);
  margin: 0 auto 20px;
  border-radius: 2px;
}

.value-item h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--neon-blue);
  letter-spacing: 0.08em;
}

.value-item p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== Process ===== */
.process__timeline {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}

.process__timeline::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--neon-blue), var(--border));
}

.process__step {
  display: flex;
  gap: 32px;
  margin-bottom: 40px;
  position: relative;
}

.process__step:last-child {
  margin-bottom: 0;
}

.process__dot {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--neon-blue);
  background: var(--bg-secondary);
  border: 2px solid var(--neon-blue);
  border-radius: 50%;
  box-shadow: 0 0 20px var(--neon-glow);
  z-index: 1;
}

.process__content h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.process__content p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.7;
}

/* ===== Portfolio ===== */
.portfolio__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  max-width: 560px;
  margin: 0 auto;
  padding: 48px 40px;
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
}

.portfolio__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(36, 41, 46, 0.6);
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.portfolio__icon svg {
  width: 36px;
  height: 36px;
}

.portfolio__text {
  color: var(--text-secondary);
  font-size: 18px;
  line-height: 1.7;
}

.portfolio__handle {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.btn--github {
  background: linear-gradient(135deg, #24292e, #0d1117);
  color: var(--text-primary);
  box-shadow: 0 4px 24px rgba(36, 41, 46, 0.5);
}

.btn--github svg {
  width: 22px;
  height: 22px;
}

.btn--github:hover {
  box-shadow: 0 6px 32px rgba(36, 41, 46, 0.7);
  transform: translateY(-2px);
}

/* ===== Contact / CTA ===== */
.cta-section {
  padding-bottom: 120px;
}

.cta__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.cta__content .section__tag,
.cta__content .section__title {
  text-align: left;
}

.cta__content p {
  color: var(--text-secondary);
  font-size: 18px;
  line-height: 1.8;
  margin-bottom: 32px;
}

.cta__link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  color: var(--neon-blue);
  transition: color var(--transition);
}

.cta__link svg {
  width: 22px;
  height: 22px;
}

.cta__link:hover {
  color: #66ccff;
}

.whatsapp-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 48px 40px;
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
}

.whatsapp-card__text {
  color: var(--text-secondary);
  font-size: 18px;
  line-height: 1.7;
}

.whatsapp-card__number {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.btn--whatsapp {
  width: 100%;
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: var(--text-primary);
  box-shadow: 0 4px 24px rgba(37, 211, 102, 0.35);
}

.btn--whatsapp svg {
  width: 22px;
  height: 22px;
}

.btn--whatsapp:hover {
  box-shadow: 0 6px 32px rgba(37, 211, 102, 0.5);
  transform: translateY(-2px);
}

/* ===== Footer ===== */
.footer {
  position: relative;
  padding: 48px 0;
  border-top: 1px solid var(--border);
  z-index: 1;
  overflow: hidden;
}

.footer__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer__tagline {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--neon-blue);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.footer__social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition);
}

.footer__social-link svg {
  width: 22px;
  height: 22px;
}

.footer__social-link:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
  background: var(--neon-glow-strong);
  transform: translateY(-2px);
}

.footer__copy {
  font-size: 14px;
  color: var(--text-muted);
}

/* ===== Founder page ===== */
.founder-section {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 120px;
}

.founder {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.founder__photo {
  display: block;
  width: min(360px, 85vw);
  height: auto;
  margin: 0 auto 32px;
  border: 2px solid var(--neon-blue);
  border-radius: 20px;
  padding: 4px;
  background: var(--bg-primary);
  box-shadow: 0 0 32px var(--neon-glow);
  object-fit: cover;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.founder__photo:hover {
  box-shadow: 0 0 48px var(--neon-glow);
  border-color: #66ccff;
}

.founder__name {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}

.founder__role {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--neon-blue);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.founder__bio {
  font-size: 19px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 36px;
}

/* ===== Animations ===== */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

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

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal--delay {
  transition-delay: 0.15s;
}

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

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

@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }

  .nav__brand {
    gap: 10px;
  }

  .nav__mini-logo {
    height: 28px;
    margin-left: 12px;
  }

  .services__banner {
    width: calc(100vw - 32px);
    margin-left: calc(50% - 50vw + 16px);
    margin-bottom: 20px;
  }

  .nav__menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(5, 10, 18, 0.97);
    backdrop-filter: blur(20px);
    padding: 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }

  .nav__menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__link {
    width: 100%;
    text-align: center;
    padding: 14px;
  }

  .section-bg-logo img {
    width: min(680px, 120vw);
    opacity: 0.1;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
    padding-bottom: 80px;
  }

  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__logo.logo-frame {
    width: 240px;
    height: 240px;
  }

  .hero__logo-ring {
    width: 260px;
    height: 260px;
  }

  .hero__logo-ring--2 {
    width: 300px;
    height: 300px;
  }

  .hero__stats {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero__scroll {
    display: none;
  }

  .about__grid,
  .cta__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about__video {
    order: 1;
  }

  .about__text {
    order: 2;
  }

  .about__video-wrap {
    width: 100%;
    max-width: 100%;
    margin-left: 0;
  }


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

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

  .cta__content .section__tag,
  .cta__content .section__title {
    text-align: center;
  }

  .section {
    padding: 72px 0;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 16px;
  }

  .hero__actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .whatsapp-card {
    padding: 32px 24px;
  }
}