/* style.css */
:root {
  --bg: #050816;
  --panel: rgba(12, 19, 39, 0.82);
  --panel-strong: #0e1630;
  --line: rgba(148, 163, 184, 0.16);
  --text: #f4f7fb;
  --muted: #9fb0c7;
  --accent: #55a7ff;
  --accent-strong: #7b61ff;
  --success: #44d19d;
  --shadow: 0 24px 70px rgba(2, 6, 23, 0.45);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: min(1140px, calc(100vw - 2rem));
  --transition: 220ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top left, rgba(85, 167, 255, 0.18), transparent 30%),
    radial-gradient(circle at 85% 15%, rgba(123, 97, 255, 0.16), transparent 25%),
    linear-gradient(180deg, #030611 0%, #071020 38%, #040712 100%);
  color: var(--text);
  font-family: "Inter", sans-serif;
  line-height: 1.65;
}

body::before {
  content: "";
  position: fixed;
  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: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(255, 255, 255, 0.7), transparent 90%);
  pointer-events: none;
  z-index: -2;
}

body.menu-open {
  overflow: hidden;
}

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

button,
input,
textarea {
  font: inherit;
}

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

section[id] {
  scroll-margin-top: 6.5rem;
}

.page-shell {
  position: relative;
  overflow-x: hidden;
}

.ambient {
  position: fixed;
  width: 26rem;
  height: 26rem;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
  pointer-events: none;
  z-index: -1;
}

.ambient-left {
  top: 10rem;
  left: -8rem;
  background: rgba(85, 167, 255, 0.34);
}

.ambient-right {
  top: 28rem;
  right: -10rem;
  background: rgba(123, 97, 255, 0.26);
}

.container {
  width: var(--container);
  margin-inline: auto;
}

/* Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(18px);
  background: rgba(4, 8, 18, 0.72);
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
}

.navbar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 12px 30px rgba(85, 167, 255, 0.25);
  color: #fff;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-text strong {
  font-size: 0.98rem;
  font-weight: 700;
}

.brand-text small {
  color: var(--muted);
  font-size: 0.78rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-menu a {
  color: var(--muted);
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  transition:
    color var(--transition),
    background-color var(--transition),
    transform var(--transition);
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-1px);
}

.nav-cta {
  border: 1px solid rgba(85, 167, 255, 0.32);
  background: rgba(85, 167, 255, 0.08);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.32rem;
  width: 2.9rem;
  height: 2.9rem;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  cursor: pointer;
}

.nav-toggle span {
  width: 1.15rem;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.is-active span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle.is-active span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: clamp(2rem, 4vw, 4rem);
  padding: clamp(4rem, 9vw, 7rem) 0 2rem;
}

.hero-copy {
  max-width: 42rem;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding: 0.4rem 0.75rem;
  border: 1px solid rgba(85, 167, 255, 0.2);
  border-radius: 999px;
  background: rgba(85, 167, 255, 0.08);
  color: #cce3ff;
  font-size: 0.86rem;
  font-weight: 600;
}

.hero h1,
.section-heading h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.04em;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5.35rem);
  line-height: 0.95;
}

.hero-title {
  margin: 1rem 0 0;
  color: #d8e7fb;
  font-size: clamp(1.05rem, 2vw, 1.4rem);
  font-weight: 600;
}

.hero-description {
  max-width: 38rem;
  margin: 1.25rem 0 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.95rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition),
    background-color var(--transition);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 18px 34px rgba(85, 167, 255, 0.24);
  color: #fff;
}

.button-secondary {
  border-color: rgba(148, 163, 184, 0.2);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.hero-highlights {
  display: grid;
  gap: 0.65rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
  color: #d2ddf0;
}

.hero-highlights li {
  position: relative;
  padding-left: 1.5rem;
}

.hero-highlights li::before {
  content: "";
  position: absolute;
  top: 0.68rem;
  left: 0;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--success));
  box-shadow: 0 0 0 6px rgba(68, 209, 157, 0.08);
}

.hero-panel {
  position: relative;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.metric-card,
.project-card,
.glass-card,
.skills-card,
.contact-card,
.contact-form,
.timeline-content {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(18, 27, 53, 0.94), rgba(10, 15, 31, 0.92));
  box-shadow: var(--shadow);
}

.metric-card {
  min-height: 10rem;
  padding: 1.4rem;
}

.metric-card-accent {
  background:
    radial-gradient(circle at top left, rgba(85, 167, 255, 0.18), transparent 45%),
    linear-gradient(180deg, rgba(18, 27, 53, 0.96), rgba(10, 15, 31, 0.92));
}

.metric-label {
  display: inline-block;
  margin-bottom: 0.85rem;
  color: #8fbaf0;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.metric-card strong {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.15rem;
  line-height: 1.2;
}

.metric-card p {
  margin: 0.8rem 0 0;
  color: var(--muted);
}

/* Sections */
.section {
  padding: 5.5rem 0 0;
}

.section-heading {
  max-width: 46rem;
  margin-bottom: 2rem;
}

.section-heading h2 {
  font-size: clamp(2rem, 5vw, 3.1rem);
  line-height: 1;
}

.section-heading p {
  margin: 1rem 0 0;
  color: var(--muted);
}

/* Projets */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.15rem;
}

.project-card {
  position: relative;
  padding: 1.5rem;
  overflow: hidden;
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.project-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(85, 167, 255, 0.08), transparent 38%, rgba(123, 97, 255, 0.08));
  opacity: 0;
  transition: opacity var(--transition);
}

.project-card:hover,
.project-card:focus-within,
.glass-card:hover,
.skills-card:hover,
.contact-card:hover,
.contact-form:hover {
  transform: translateY(-4px);
  border-color: rgba(85, 167, 255, 0.25);
}

.project-card:hover::before,
.project-card:focus-within::before {
  opacity: 1;
}

.featured {
  grid-column: span 2;
}

.project-header {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.project-tag {
  width: fit-content;
  padding: 0.38rem 0.65rem;
  border-radius: 999px;
  background: rgba(85, 167, 255, 0.09);
  color: #b7d7ff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-card h3,
.glass-card h3,
.skills-card h3,
.contact-card h3,
.timeline-content h3 {
  margin: 0;
  font-size: 1.25rem;
  font-family: "Space Grotesk", sans-serif;
}

.project-card p,
.glass-card p,
.timeline-content p,
.contact-note {
  color: var(--muted);
}

.meta-list,
.stack-list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.75rem;
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
}

.meta-list li,
.stack-list li {
  color: #d5e0f1;
}

/* Cyber */
.cyber-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr 0.9fr;
  gap: 1rem;
}

.glass-card,
.skills-card,
.contact-card,
.contact-form {
  padding: 1.5rem;
}

.skill-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.15rem;
}

.skill-badges span {
  padding: 0.65rem 0.9rem;
  border: 1px solid rgba(85, 167, 255, 0.2);
  border-radius: 999px;
  background: rgba(85, 167, 255, 0.08);
  color: #d9e9ff;
  font-size: 0.92rem;
}

/* Skills */
.skills-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.skills-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.1rem;
}

.skills-card-header span {
  color: #9fd0ff;
  font-size: 0.84rem;
  font-weight: 600;
}

.skill-meter + .skill-meter {
  margin-top: 1rem;
}

.skill-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.55rem;
}

.skill-meta span {
  color: #e8effb;
}

.skill-meta strong {
  color: #b9d8ff;
  font-size: 0.92rem;
}

.meter-track {
  position: relative;
  height: 0.75rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.meter-track span {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--level, 0%);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  box-shadow: 0 0 20px rgba(85, 167, 255, 0.45);
}

.js .meter-track span {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 900ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.js .skill-meter.is-animated .meter-track span {
  transform: scaleX(1);
}

/* Timeline */
.timeline {
  position: relative;
  display: grid;
  gap: 1rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 1rem;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 1px;
  background: linear-gradient(180deg, rgba(85, 167, 255, 0.25), rgba(123, 97, 255, 0.12));
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 1.1rem;
  align-items: start;
}

.timeline-dot {
  position: relative;
  top: 1.6rem;
  width: 0.9rem;
  height: 0.9rem;
  margin-left: 0.55rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 0 0 8px rgba(85, 167, 255, 0.08);
}

.timeline-content {
  padding: 1.35rem 1.5rem;
}

/* Contact */
.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 1rem;
  padding-bottom: 4rem;
}

.contact-links {
  display: grid;
  gap: 0.8rem;
  margin: 1.25rem 0 1rem;
}

.contact-links a {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  color: #dcebff;
  transition: color var(--transition), transform var(--transition);
}

.contact-links a:hover,
.contact-links a:focus-visible {
  color: #fff;
  transform: translateX(2px);
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.form-row {
  display: grid;
  gap: 0.55rem;
}

.form-row label {
  font-weight: 600;
  color: #dce9fc;
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(148, 163, 184, 0.14);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-row input::placeholder,
.form-row textarea::placeholder {
  color: #8092ad;
}

.form-row input:focus,
.form-row textarea:focus {
  border-color: rgba(85, 167, 255, 0.45);
  box-shadow: 0 0 0 4px rgba(85, 167, 255, 0.12);
}

.form-feedback {
  min-height: 1.5rem;
  margin: 0;
  color: #a2e8c8;
  font-weight: 600;
}

/* Reveal */
.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

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

/* Responsive */
@media (max-width: 980px) {
  .hero,
  .contact-layout,
  .cyber-layout,
  .panel-grid,
  .projects-grid,
  .skills-layout {
    grid-template-columns: 1fr;
  }

  .featured {
    grid-column: auto;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-menu {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    left: 0;
    display: grid;
    gap: 0.35rem;
    padding: 0.7rem;
    border: 1px solid var(--line);
    border-radius: 1.25rem;
    background: rgba(6, 10, 22, 0.96);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition:
      opacity var(--transition),
      transform var(--transition);
  }

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

  .nav-menu a {
    padding: 0.95rem 1rem;
  }
}

@media (max-width: 720px) {
  .navbar {
    padding: 0.85rem 0;
  }

  .hero {
    padding-top: 3.4rem;
  }

  .section {
    padding-top: 4rem;
  }

  .metric-card,
  .project-card,
  .glass-card,
  .skills-card,
  .contact-card,
  .contact-form,
  .timeline-content {
    border-radius: 1.2rem;
  }

  .hero h1 {
    font-size: clamp(2.3rem, 14vw, 3.5rem);
  }

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

  .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }

  .js .meter-track span {
    transform: scaleX(1);
  }
}