/* ================================================================
   SES — Vitrine ESN — Static stylesheet
   Dark Tech / Neon Cyber Yellow
================================================================ */

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

:root {
  --bg: #050505;
  --bg-2: #0a0a0d;
  --bg-3: #0e0e11;
  --surface: #17171c;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.18);
  --text: #ffffff;
  --text-2: rgba(255, 255, 255, 0.7);
  --text-3: rgba(255, 255, 255, 0.5);
  --text-4: rgba(255, 255, 255, 0.4);
  --accent: #ccff00;
  --accent-2: #0055ff;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  line-height: 1.5;
}

::selection {
  background: var(--accent);
  color: #000;
}

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

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

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 1024px) {
  .container {
    padding: 0 40px;
  }
}

/* ============== Utility ============== */
.muted {
  color: var(--text-4);
}
.accent {
  color: var(--accent);
}

.meta-text {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-3);
}

.bar {
  width: 32px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

.pulse {
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

/* ============== Buttons ============== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 28px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  font-family: "Manrope", sans-serif;
  border-radius: 0;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #000;
}
.btn-primary:hover {
  background: #fff;
  color: #000;
}

.btn-secondary {
  border-color: var(--border-strong);
  color: #fff;
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 10px;
}

/* ============== Navbar ============== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: all 0.3s ease;
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border-bottom-color: var(--border);
}

.nav-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.logo-text {
  font-family: "Outfit", sans-serif;
  font-weight: 900;
  font-size: 24px;
  letter-spacing: -0.02em;
  color: #fff;
}

.logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

.nav-links {
  display: none;
  gap: 40px;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  position: relative;
  padding: 4px 0;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: #fff;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-cta {
  display: none;
}

@media (min-width: 768px) {
  .nav-cta {
    display: inline-flex;
  }
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: #fff;
  transition: transform 0.3s ease;
}

.menu-toggle.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }
}

.mobile-menu {
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-menu[hidden] {
  display: none;
}

@media (min-width: 768px) {
  .mobile-menu {
    display: none !important;
  }
}

.mobile-link {
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
}

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

.mobile-cta {
  margin-top: 12px;
  justify-content: center;
}

/* ============== Hero ============== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding: 128px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}

.hero-glow {
  position: absolute;
  width: 80vw;
  height: 80vw;
  max-width: 1100px;
  max-height: 1100px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(204, 255, 0, 0.07), transparent 60%);
  top: 30%;
  left: -20%;
  pointer-events: none;
}

.hero-inner {
  width: 100%;
}

.meta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 48px;
}

.hero-grid-text {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: end;
}

@media (min-width: 1024px) {
  .hero-grid-text {
    grid-template-columns: 3fr 1fr;
    gap: 48px;
  }
}

.hero-title {
  font-family: "Outfit", sans-serif;
  font-weight: 900;
  font-size: clamp(2.5rem, 9vw, 8rem);
  line-height: 0.92;
  letter-spacing: -0.03em;
}

.hero-sub {
  font-size: 16px;
  color: var(--text-2);
  line-height: 1.6;
  padding-left: 0;
}

@media (min-width: 1024px) {
  .hero-sub {
    border-left: 1px solid var(--border);
    padding-left: 24px;
    font-size: 17px;
  }
}

.hero-sub strong {
  color: #fff;
  font-weight: 600;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 64px;
}

.stats {
  margin-top: 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

@media (min-width: 1024px) {
  .stats {
    grid-template-columns: repeat(4, 1fr);
    margin-top: 112px;
  }
}

.stat {
  background: var(--bg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-k {
  font-family: "Outfit", sans-serif;
  font-weight: 700;
  font-size: 32px;
  color: #fff;
  letter-spacing: -0.02em;
}

.stat-v {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* ============== Marquee ============== */
.marquee-section {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
  padding: 24px 0;
  overflow: hidden;
}

.marquee {
  width: 100%;
  overflow: hidden;
}

.marquee-track {
  display: inline-flex;
  align-items: center;
  gap: 48px;
  white-space: nowrap;
  animation: marquee 50s linear infinite;
}

.marquee-track span {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-4);
}

.marquee-track .sep {
  display: inline-block;
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============== Sections ============== */
.section {
  padding: 96px 0;
  border-top: 1px solid var(--border);
}

.section-alt {
  background: #080809;
}

@media (min-width: 1024px) {
  .section {
    padding: 144px 0;
  }
}

.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 64px;
}

@media (min-width: 1024px) {
  .section-head {
    grid-template-columns: 1fr 3fr;
    gap: 48px;
    margin-bottom: 96px;
  }
}

.section-tag {
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title {
  font-family: "Outfit", sans-serif;
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.section-sub {
  margin-top: 24px;
  max-width: 640px;
  color: var(--text-3);
  font-size: 16px;
  line-height: 1.6;
}

/* ============== Bento (Services) ============== */
.bento {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 900px) {
  .bento {
    grid-template-columns: 7fr 5fr;
  }

  .card-large {
    grid-column: 1 / 2;
  }
  .card-medium {
    grid-column: 2 / 3;
  }
  .card-wide {
    grid-column: 1 / -1;
  }
}

.card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  padding: 36px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  min-height: 360px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(204, 255, 0, 0.4);
}

.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.card-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
}

.card-icon {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  transition: all 0.3s ease;
}

.card:hover .card-icon {
  color: var(--accent);
  border-color: rgba(204, 255, 0, 0.4);
}

.card-body {
  margin-top: 56px;
}

.card-title {
  font-family: "Outfit", sans-serif;
  font-weight: 700;
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: #fff;
}

.card-tagline {
  margin-top: 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(204, 255, 0, 0.85);
}

.card-desc {
  margin-top: 20px;
  max-width: 560px;
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.65;
}

.card-list {
  margin-top: 24px;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  max-width: 560px;
}

@media (min-width: 600px) {
  .card-list {
    grid-template-columns: 1fr 1fr;
  }
}

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

@media (min-width: 900px) {
  .card-list-row {
    grid-template-columns: repeat(4, 1fr);
  }
}

.card-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

.bullet {
  width: 4px;
  height: 4px;
  background: var(--accent);
  flex-shrink: 0;
}

/* ============== About ============== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 1024px) {
  .about-grid {
    grid-template-columns: 7fr 5fr;
    gap: 24px;
  }
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: 24px;
  font-size: 16px;
  color: var(--text-2);
  line-height: 1.7;
}

@media (min-width: 1024px) {
  .about-text {
    font-size: 17px;
  }
}

.about-text strong {
  color: #fff;
  font-weight: 600;
}

.about-note {
  font-family: "JetBrains Mono", monospace !important;
  font-size: 12px !important;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent) !important;
  padding-top: 8px;
}

.values {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.value {
  background: var(--bg-2);
  padding: 28px;
}

.value-tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
}

.value p {
  margin-top: 12px;
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.65;
}

/* ============== Process ============== */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

@media (min-width: 720px) {
  .steps {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step {
  background: #080809;
  padding: 36px;
  min-height: 240px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: background 0.3s ease;
}

.step:hover {
  background: var(--bg-3);
}

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

.step-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
}

.step-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transition: background 0.3s ease;
}

.step:hover .step-dot {
  background: var(--accent);
}

.step-title {
  font-family: "Outfit", sans-serif;
  font-weight: 700;
  font-size: 26px;
  letter-spacing: -0.02em;
  color: #fff;
  margin-top: 24px;
}

.step p {
  margin-top: 12px;
  color: var(--text-3);
  font-size: 14px;
  line-height: 1.6;
}

/* ============== Contact ============== */
.contact {
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  opacity: 0.6;
}

.contact .container {
  position: relative;
}

.contact-intro-light {
  margin-top: 48px;
  font-family: "Outfit", sans-serif;
  font-weight: 300;
  font-size: clamp(1.75rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  color: var(--text-4);
}

.contact-intro-bold {
  font-family: "Outfit", sans-serif;
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  color: #fff;
}

.contact-mail {
  display: inline-block;
  margin-top: 64px;
  font-family: "Outfit", sans-serif;
  font-weight: 900;
  font-size: clamp(1.5rem, 7vw, 6rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: #fff;
  word-break: break-word;
  transition: color 0.4s ease;
}

.contact-mail:hover {
  color: var(--accent);
}

.contact-grid {
  margin-top: 80px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.contact-card {
  background: var(--bg-2);
  padding: 32px;
}

.contact-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.contact-card-link {
  font-family: "Outfit", sans-serif;
  font-weight: 600;
  font-size: 17px;
  color: #fff;
  word-break: break-word;
  transition: color 0.2s ease;
}

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

.contact-address {
  font-style: normal;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
}

.contact-availability {
  font-family: "Outfit", sans-serif;
  font-weight: 600;
  font-size: 18px;
  color: #fff;
}

.contact-availability span {
  display: block;
  margin-top: 4px;
  font-family: "Manrope", sans-serif;
  font-weight: 400;
  font-size: 14px;
  color: var(--text-3);
}

/* ============== Footer ============== */
.footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
}

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo {
  font-family: "Outfit", sans-serif;
  font-weight: 900;
  font-size: 20px;
  color: #fff;
}

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

.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}

@media (min-width: 768px) {
  .footer-meta {
    flex-direction: row;
    align-items: center;
    gap: 24px;
  }
}

.footer-mail {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-3);
  transition: color 0.2s ease;
}

.footer-mail:hover {
  color: var(--accent);
}

/* ============== Reveal animations ============== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.d-1 { animation-delay: 0.1s; }
.d-2 { animation-delay: 0.2s; }
.d-3 { animation-delay: 0.3s; }
.d-4 { animation-delay: 0.4s; }

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-head,
.bento,
.about-grid,
.steps,
.contact-grid {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.section-head.in-view,
.bento.in-view,
.about-grid.in-view,
.steps.in-view,
.contact-grid.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .section-head,
  .bento,
  .about-grid,
  .steps,
  .contact-grid {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }
}