/* ==========================================================================
   Serbouti.com — Développeur PHP Freelance / Prestashop · Magento · Odoo
   ========================================================================== */

:root {
  --c-bg: #0b0d12;
  --c-bg-alt: #10131b;
  --c-card: #161a24;
  --c-card-hover: #1c2130;
  --c-text: #eef0f5;
  --c-text-dim: #9aa1b4;
  --c-border: #262c3b;

  --magento: #f46f25;
  --prestashop: #df0067;
  --odoo: #875a7b;

  --gradient: linear-gradient(120deg, var(--magento) 0%, var(--prestashop) 55%, var(--odoo) 100%);

  --radius-lg: 18px;
  --radius-md: 12px;
  --container: 1140px;

  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-text-dim);
  border: 1px solid var(--c-border);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 18px;
}

.grad-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-head h2 {
  font-size: clamp(28px, 4vw, 38px);
  margin: 0 0 12px;
  font-weight: 700;
}

.section-head p {
  color: var(--c-text-dim);
  margin: 0;
  font-size: 16px;
}

section { padding: 96px 0; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 10px 30px -10px rgba(223, 0, 103, .55);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -10px rgba(223, 0, 103, .65); }

.btn-ghost {
  background: transparent;
  border-color: var(--c-border);
  color: var(--c-text);
}

.btn-ghost:hover { border-color: #454e66; transform: translateY(-2px); }

/* ---------- Nav ---------- */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(11, 13, 18, .72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--c-border);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
}

.logo img { height: 34px; width: auto; border-radius: 8px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
}

.nav-links a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--c-text-dim);
  transition: color .2s ease;
}

.nav-links a:hover { color: var(--c-text); }

.nav-cta { display: flex; align-items: center; gap: 18px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: 190px 0 120px;
  overflow: hidden;
  text-align: center;
}

.hero-glow {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 620px;
  background:
    radial-gradient(420px circle at 18% 30%, rgba(244, 111, 37, .35), transparent 65%),
    radial-gradient(480px circle at 55% 15%, rgba(223, 0, 103, .32), transparent 65%),
    radial-gradient(420px circle at 85% 35%, rgba(135, 90, 123, .38), transparent 65%);
  filter: blur(40px);
  pointer-events: none;
  z-index: 0;
}

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

.hero h1 {
  font-size: clamp(34px, 5.4vw, 56px);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 22px;
  max-width: 820px;
  margin-inline: auto;
}

.hero-sub {
  color: var(--c-text-dim);
  font-size: clamp(16px, 1.6vw, 18px);
  max-width: 620px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.chip {
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text-dim);
  border: 1px solid var(--c-border);
  background: var(--c-bg-alt);
  border-radius: 999px;
  padding: 7px 15px;
}

/* ---------- Platform cards ---------- */

.platforms-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.platform-card {
  position: relative;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 38px 30px;
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}

.platform-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--accent);
}

.platform-card:hover {
  transform: translateY(-6px);
  background: var(--c-card-hover);
  border-color: var(--accent);
}

.platform-card[data-brand="prestashop"] { --accent: var(--prestashop); }
.platform-card[data-brand="magento"]    { --accent: var(--magento); }
.platform-card[data-brand="odoo"]       { --accent: var(--odoo); }

.platform-icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--accent);
  font-size: 22px;
  margin-bottom: 22px;
}

.platform-card h3 {
  font-size: 20px;
  margin: 0 0 10px;
}

.platform-card p {
  color: var(--c-text-dim);
  font-size: 14.5px;
  margin: 0;
}

/* ---------- Skills ---------- */

.skills-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.skill-pill {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--c-border);
  background: var(--c-bg-alt);
  font-size: 14px;
  font-weight: 500;
  transition: border-color .2s ease, transform .2s ease;
}

.skill-pill:hover { transform: translateY(-2px); border-color: #454e66; }

/* ---------- Services ---------- */

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.service-card {
  background: var(--c-bg-alt);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 30px 26px;
}

.service-card .platform-icon { width: 46px; height: 46px; font-size: 18px; margin-bottom: 18px; }

.service-card h3 { font-size: 17px; margin: 0 0 8px; }
.service-card p { color: var(--c-text-dim); font-size: 14px; margin: 0; }

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 48px;
  align-items: start;
}

.contact-intro h2 { font-size: clamp(26px, 3.6vw, 34px); margin: 0 0 16px; }
.contact-intro p { color: var(--c-text-dim); margin: 0 0 30px; max-width: 460px; }

.contact-list { display: flex; flex-direction: column; gap: 16px; }

.contact-list li {
  display: flex; align-items: center; gap: 14px;
  font-size: 15px;
}

.contact-list .ic {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  flex-shrink: 0;
}

.social-row { display: flex; gap: 12px; margin-top: 30px; }

.social-row a {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--c-border);
  transition: border-color .2s ease, transform .2s ease, color .2s ease;
}

.social-row a:hover { transform: translateY(-3px); border-color: var(--prestashop); color: var(--prestashop); }

.contact-card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  position: relative;
}

.contact-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: var(--gradient);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: .5;
  pointer-events: none;
}

.contact-card h3 { margin: 0 0 8px; font-size: 19px; }
.contact-card p { color: var(--c-text-dim); font-size: 14px; margin: 0 0 24px; }

.contact-card .btn { width: 100%; justify-content: center; margin-bottom: 12px; }
.contact-card .btn:last-child { margin-bottom: 0; }

/* ---------- Footer ---------- */

footer {
  border-top: 1px solid var(--c-border);
  padding: 28px 0;
}

footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13.5px;
  color: var(--c-text-dim);
}

footer a:hover { color: var(--c-text); }

/* ---------- Reveal on scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}

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

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .platforms-grid, .services-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: flex; }

  .nav.nav-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--c-bg-alt);
    border-bottom: 1px solid var(--c-border);
    padding: 24px;
    gap: 20px;
  }

  .hero { padding: 150px 0 90px; }
  section { padding: 72px 0; }
}