/* ═══════════════════════════════════════════════════════════
   SUM'IT — Plan your peaks
   CSS Principal
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@300;400;500;600&family=Barlow:wght@300;400;500&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --navy:       #0D1B2A;
  --navy2:      #112236;
  --navy3:      #0A1520;
  --card:       #0F1E30;
  --border:     rgba(100, 180, 210, 0.12);
  --border2:    rgba(100, 180, 210, 0.22);
  --cyan:       #00C8E0;
  --cyan-dim:   rgba(0, 200, 224, 0.15);
  --cyan-glow:  rgba(0, 200, 224, 0.06);
  --mist:       #B8CDD4;
  --sage:       #C8D8C0;
  --slate:      #7A9AAA;
  --white:      #EEF4F6;
  --gold:       #C8973A;
  --green:      #5DCAA5;
  --orange:     #EF9F27;
  --red:        #E24B4A;
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body:    'Barlow', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--navy);
  color: var(--white);
  min-height: 100vh;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ── Navigation ─────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 64px;
  background: rgba(13, 27, 42, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 0.5px solid var(--border);
  transition: background 0.3s;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.02em;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
}

.nav-logo-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--white);
  line-height: 1;
}

.nav-logo-name span { color: var(--cyan); }

.nav-logo-sub {
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate);
  margin-top: 2px;
}

.nav-links {
  display: flex;
  gap: 0;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
  padding: 8px 18px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  cursor: pointer;
}

.nav-link:hover { color: var(--white); }
.nav-link.active { color: var(--cyan); border-bottom-color: var(--cyan); }

.nav-cta {
  background: var(--cyan);
  color: var(--navy);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 9px 22px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
}
.nav-cta:hover { opacity: 0.88; }

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, #1B3D5E 0%, #0D2A40 35%, #091820 100%);
}

/* Effet texture subtil */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 30%, rgba(0,200,224,0.06) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(17,34,54,0.8) 0%, transparent 50%);
}

.hero-mountain {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 80px 80px;
  max-width: 1200px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 0.5px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 400;
  padding: 6px 16px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 24px;
  animation: fadeUp 0.8s ease both;
}

.hero-tag::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(56px, 8vw, 96px);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.01em;
  color: var(--white);
  margin-bottom: 20px;
  animation: fadeUp 0.8s 0.1s ease both;
}

.hero h1 em {
  color: var(--cyan);
  font-style: normal;
  display: block;
}

.hero-sub {
  font-size: 16px;
  font-weight: 300;
  color: var(--mist);
  line-height: 1.75;
  max-width: 480px;
  margin-bottom: 36px;
  animation: fadeUp 0.8s 0.2s ease both;
}

.hero-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  animation: fadeUp 0.8s 0.3s ease both;
}

.btn-primary {
  background: var(--cyan);
  color: var(--navy);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 14px 30px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 14px 30px;
  border: 0.5px solid rgba(180, 210, 220, 0.3);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }

/* Stats hero */
.hero-stats {
  display: flex;
  gap: 0;
  margin-top: 48px;
  border-top: 0.5px solid var(--border);
  animation: fadeUp 0.8s 0.4s ease both;
}

.hero-stat {
  padding: 20px 28px;
  border-right: 0.5px solid var(--border);
  flex: 1;
}
.hero-stat:last-child { border-right: none; }

.hero-stat-val {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.hero-stat-label {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 400;
  color: var(--slate);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-top: 4px;
}

/* ── Features ────────────────────────────────────────────────── */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 0.5px solid var(--border);
}

.feat {
  padding: 40px 40px;
  border-right: 0.5px solid var(--border);
  background: var(--navy2);
  transition: background 0.2s;
}
.feat:last-child { border-right: none; }
.feat:hover { background: rgba(17, 34, 54, 0.95); }

.feat-num {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 400;
  color: var(--cyan);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.feat h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}

.feat p {
  font-size: 14px;
  font-weight: 300;
  color: var(--slate);
  line-height: 1.7;
}

/* ── Sections communes ───────────────────────────────────────── */
.section {
  padding: 80px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 0.5px solid var(--border2);
  padding: 5px 14px;
  margin-bottom: 20px;
}

.section-tag::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--cyan);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 500;
  color: var(--white);
  letter-spacing: -0.01em;
  margin-bottom: 12px;
  line-height: 1.05;
}

.section-title em {
  color: var(--cyan);
  font-style: normal;
}

.section-sub {
  font-size: 15px;
  font-weight: 300;
  color: var(--slate);
  line-height: 1.75;
  max-width: 520px;
  margin-bottom: 48px;
}

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--navy2);
  border: 0.5px solid var(--border);
  padding: 24px 28px;
  transition: border-color 0.2s;
}
.card:hover { border-color: var(--border2); }

/* ── Upload Zone ─────────────────────────────────────────────── */
.upload-zone {
  border: 0.5px dashed rgba(0, 200, 224, 0.25);
  padding: 40px;
  text-align: center;
  background: var(--cyan-glow);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.upload-zone:hover {
  background: rgba(0, 200, 224, 0.08);
  border-color: rgba(0, 200, 224, 0.4);
}

.upload-icon {
  width: 44px;
  height: 44px;
  border: 0.5px solid var(--border2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}

.upload-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--cyan);
  fill: none;
  stroke-width: 1.5;
}

.upload-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 6px;
  letter-spacing: 0.04em;
}

.upload-sub {
  font-size: 12px;
  color: var(--slate);
}

/* ── Inputs ──────────────────────────────────────────────────── */
input, select, textarea {
  font-family: var(--font-body);
  background: rgba(0, 200, 224, 0.04);
  border: 0.5px solid var(--border);
  color: var(--white);
  padding: 11px 16px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}
input:focus, select:focus { border-color: var(--cyan); }
input::placeholder { color: var(--slate); }

/* ── Tags / Pills ────────────────────────────────────────────── */
.tag {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 10px;
  border: 0.5px solid;
}
.tag-cyan { border-color: var(--cyan); color: var(--cyan); }
.tag-slate { border-color: var(--slate); color: var(--slate); }
.tag-gold { border-color: var(--gold); color: var(--gold); }
.tag-green { border-color: var(--green); color: var(--green); }

/* ── Barres de score ─────────────────────────────────────────── */
.score-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.score-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 400;
  color: var(--slate);
  letter-spacing: 0.04em;
  width: 150px;
  flex-shrink: 0;
}

.score-track {
  flex: 1;
  height: 3px;
  background: rgba(255, 255, 255, 0.06);
}

.score-fill {
  height: 100%;
  background: var(--cyan);
  transition: width 1s ease;
}
.score-fill.low { background: var(--slate); }

.score-val {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--white);
  width: 44px;
  text-align: right;
}

/* ── Tableau ─────────────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 400;
  color: var(--slate);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 12px 16px;
  border-bottom: 0.5px solid var(--border);
  text-align: left;
}

.data-table td {
  font-size: 14px;
  color: var(--white);
  padding: 12px 16px;
  border-bottom: 0.5px solid var(--border);
}

.data-table tr:last-child td {
  border-bottom: none;
  color: var(--cyan);
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.batt-g { color: var(--green); font-size: 13px; }
.batt-o { color: var(--orange); font-size: 13px; }
.batt-r { color: var(--red); font-size: 13px; }
.range-col { color: var(--slate); font-size: 12px; }

/* ── KPI Cards ───────────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 0.5px solid var(--border);
}

.kpi {
  padding: 24px 28px;
  border-right: 0.5px solid var(--border);
}
.kpi:last-child { border-right: none; }

.kpi-label {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 400;
  color: var(--slate);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 10px;
}

.kpi-val {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 500;
  color: var(--white);
  letter-spacing: 0.02em;
}

.kpi-sub {
  font-size: 12px;
  color: var(--slate);
  margin-top: 4px;
}

/* ── Fourchettes ─────────────────────────────────────────────── */
.fourch-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 0.5px solid var(--border);
}

.fourch-item {
  padding: 18px 28px;
  border-right: 0.5px solid var(--border);
}
.fourch-item:last-child { border-right: none; }

.fourch-label {
  font-family: var(--font-display);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 6px;
}

.fourch-val {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.fourch-green .fourch-label { color: var(--green); }
.fourch-green .fourch-val { color: #9FE1CB; }
.fourch-red .fourch-label { color: var(--red); }
.fourch-red .fourch-val { color: #F5C4B3; }

/* ── Footer ──────────────────────────────────────────────────── */
.footer {
  border-top: 0.5px solid var(--border);
  padding: 32px 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--navy3);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--white);
}
.footer-logo span { color: var(--cyan); }

.footer-sub {
  font-size: 12px;
  color: var(--slate);
  margin-top: 3px;
  letter-spacing: 0.06em;
}

.footer-copy {
  font-size: 12px;
  color: var(--slate);
  letter-spacing: 0.04em;
}

/* ── Animations ──────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── Scrollbar ───────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--navy3); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav { padding: 0 20px; }
  .nav-links { display: none; }
  .hero-content { padding: 0 24px 60px; }
  .features { grid-template-columns: 1fr; }
  .feat { border-right: none; border-bottom: 0.5px solid var(--border); }
  .section { padding: 60px 24px; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .footer { padding: 24px; flex-direction: column; gap: 16px; text-align: center; }
}