/* ============================================================
   PrinceFi Website — styles.css
   Palette: Black · White · Gold
   Inspired by zula.com.et simplicity
   ============================================================ */

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

:root {
  /* Core palette */
  --black:        #0a0a0a;
  --black-soft:   #111111;
  --black-card:   #161616;
  --black-border: rgba(255,255,255,.09);
  --white:        #ffffff;
  --white-muted:  rgba(255,255,255,.55);
  --white-dim:    rgba(255,255,255,.08);

  /* Gold — matches the logo */
  --gold:         #C9A84C;
  --gold-light:   #E8C96A;
  --gold-dark:    #9A7A2E;
  --gold-glow:    rgba(201,168,76,.18);
  --gold-border:  rgba(201,168,76,.35);

  /* Gold gradient (mimics the metallic logo sheen) */
  --grad-gold: linear-gradient(135deg, #9A7A2E 0%, #E8C96A 40%, #C9A84C 60%, #9A7A2E 100%);
  --grad-gold-text: linear-gradient(135deg, #b8922a 0%, #f0d060 35%, #c9a84c 65%, #a07830 100%);

  /* Typography */
  --font-body:    'Inter', system-ui, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;

  /* Layout */
  --container:    1160px;
  --section-py:   6rem;
  --ease:         cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* ---------- Logo ---------- */
.nav__logo {
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  line-height: 1;
  text-decoration: none;
}

/* "Prince" — gold metallic gradient, large bold serif */
.logo-prince {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.55rem;
  background: var(--grad-gold-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -.01em;
}

/* "Fi" — pure black on a gold pill */
.logo-fi {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.55rem;
  color: var(--black);
  background: var(--grad-gold);
  padding: 0 .28em;
  border-radius: .2em;
  letter-spacing: -.01em;
  line-height: 1.15;
  margin-left: .04em;
}

/* Larger logo in hero / footer */
.hero__logo .logo-prince { font-size: 3rem; }
.hero__logo .logo-fi     { font-size: 3rem; }

/* ---------- Section helpers ---------- */
.section-tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
  background: var(--gold-glow);
  border: 1px solid var(--gold-border);
  border-radius: 999px;
  padding: .28rem .9rem;
  margin-bottom: 1rem;
}

.section-header {
  text-align: center;
  max-width: 620px;
  margin-inline: auto;
  margin-bottom: 4rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: .75rem;
}

.section-sub {
  font-size: 1rem;
  color: var(--white-muted);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .7rem 1.5rem;
  border-radius: .45rem;
  font-size: .9rem;
  font-weight: 600;
  transition: all .2s var(--ease);
  white-space: nowrap;
  cursor: pointer;
}

/* Solid gold */
.btn--gold {
  background: var(--grad-gold);
  color: var(--black);
  border: none;
  box-shadow: 0 4px 18px rgba(201,168,76,.3);
}
.btn--gold:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
  box-shadow: 0 6px 26px rgba(201,168,76,.45);
}

/* Ghost white outline */
.btn--outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,.25);
}
.btn--outline:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* Gold outline (on cards) */
.btn--gold-outline {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold-border);
}
.btn--gold-outline:hover {
  background: var(--gold-glow);
  border-color: var(--gold);
}

.btn--sm  { padding: .5rem 1.1rem; font-size: .82rem; }
.btn--lg  { padding: .9rem 2.2rem; font-size: 1rem; }
.btn--full { width: 100%; }

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background .3s var(--ease), border-color .3s var(--ease);
}

.nav.scrolled {
  background: rgba(10,10,10,.94);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--black-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  max-width: var(--container);
  margin-inline: auto;
  padding: .9rem 1.5rem;
}

.nav__links {
  display: flex;
  gap: 2.2rem;
  margin-left: auto;
}

.nav__links a {
  font-size: .88rem;
  font-weight: 500;
  color: var(--white-muted);
  transition: color .2s;
}
.nav__links a:hover { color: var(--white); }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: .4rem;
  margin-left: auto;
}
.nav__burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all .25s var(--ease);
}
.nav__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav__mobile {
  display: none;
  background: rgba(10,10,10,.97);
  border-top: 1px solid var(--black-border);
  padding: 1.5rem;
}
.nav__mobile ul { display: flex; flex-direction: column; gap: 1.1rem; }
.nav__mobile a { font-size: 1rem; font-weight: 500; color: var(--white); }
.nav__mobile.open { display: block; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 5rem;
  background: var(--black);
}

/* Subtle noise texture + gold radial glow */
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__noise {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 50% 0%, rgba(201,168,76,.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 80%, rgba(201,168,76,.06) 0%, transparent 60%);
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding-block: 4rem;
}

.hero__eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 600;
  color: var(--white-muted);
  background: var(--white-dim);
  border: 1px solid var(--black-border);
  border-radius: 999px;
  padding: .3rem 1rem;
  margin-bottom: 1.75rem;
  letter-spacing: .04em;
}

.hero__heading {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 900;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 1.5rem;
  letter-spacing: -.02em;
}

/* Italic "Infrastructure" in gold */
.hero__heading em {
  font-style: italic;
  background: var(--grad-gold-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--white-muted);
  max-width: 580px;
  margin-inline: auto;
  margin-bottom: 2.5rem;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

/* Stats bar */
.hero__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  background: var(--black-card);
  border: 1px solid var(--gold-border);
  border-radius: 1rem;
  padding: 1.5rem 2.5rem;
  max-width: 540px;
  margin-inline: auto;
}

.stat { text-align: center; }
.stat__num {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 700;
  background: var(--grad-gold-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat__unit {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gold);
}
.stat__label {
  display: block;
  font-size: .72rem;
  color: var(--white-muted);
  margin-top: .2rem;
  letter-spacing: .04em;
}
.stat__div {
  width: 1px; height: 40px;
  background: var(--black-border);
}

/* ---------- Products ---------- */
.products {
  padding-block: var(--section-py);
  background: var(--black-soft);
  border-top: 1px solid var(--black-border);
}

.products__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.5rem;
}

/* Card base */
.pcard {
  position: relative;
  background: var(--black-card);
  border: 1px solid var(--black-border);
  border-radius: 1.1rem;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
  overflow: hidden;
}

.pcard::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad-gold);
  opacity: 0;
  transition: opacity .3s var(--ease);
}

.pcard:hover {
  transform: translateY(-4px);
  border-color: var(--gold-border);
  box-shadow: 0 16px 48px rgba(201,168,76,.12);
}
.pcard:hover::before { opacity: 1; }

.pcard__top {
  display: flex;
  align-items: center;
  gap: .85rem;
}

.pcard__icon {
  width: 46px; height: 46px;
  border-radius: .65rem;
  background: var(--gold-glow);
  border: 1px solid var(--gold-border);
  display: grid;
  place-items: center;
  color: var(--gold);
  flex-shrink: 0;
}
.pcard__icon svg { width: 24px; height: 24px; }

.pcard__tag {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gold);
}

.pcard__title {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
}

.pcard__desc {
  font-size: .875rem;
  color: var(--white-muted);
  line-height: 1.7;
  flex: 1;
}

.pcard__list {
  display: flex;
  flex-direction: column;
  gap: .45rem;
}
.pcard__list li {
  font-size: .82rem;
  color: rgba(255,255,255,.7);
  display: flex;
  align-items: center;
  gap: .55rem;
}
.pcard__list li::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}

.pcard__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: .25rem;
}

.pcard__badge {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--white-muted);
  background: var(--white-dim);
  border: 1px solid var(--black-border);
  border-radius: 999px;
  padding: .2rem .7rem;
}
.pcard__badge--soon {
  color: var(--gold);
  background: var(--gold-glow);
  border-color: var(--gold-border);
}

/* Live badge — green */
.pcard__badge--live {
  color: #34d399;
  background: rgba(52,211,153,.08);
  border-color: rgba(52,211,153,.25);
}

/* External link button — slightly wider to fit icon */
.pcard__live-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}

/* "Live" dot in tag */
.tag-live {
  color: #34d399;
  font-weight: 700;
}

/* ---------- Why PrinceFi ---------- */
.why {
  padding-block: var(--section-py);
  background: var(--black);
  border-top: 1px solid var(--black-border);
}

.why__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.why-card {
  background: var(--black-card);
  border: 1px solid var(--black-border);
  border-radius: 1rem;
  padding: 1.75rem;
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}
.why-card:hover {
  border-color: var(--gold-border);
  transform: translateY(-2px);
}

.why-card__icon { font-size: 1.8rem; margin-bottom: .85rem; }

.why-card h3 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: .45rem;
}

.why-card p {
  font-size: .85rem;
  color: var(--white-muted);
  line-height: 1.65;
}

/* ---------- Contact ---------- */
.contact {
  padding-block: var(--section-py);
  background: var(--black-soft);
  border-top: 1px solid var(--black-border);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact__copy .section-title { text-align: left; }
.contact__copy p {
  color: var(--white-muted);
  margin-bottom: 2rem;
  line-height: 1.75;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: .85rem;
}
.contact__info li {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .88rem;
  color: var(--white-muted);
}
.contact__info a:hover { color: var(--gold); }

/* Form */
.contact__form {
  background: var(--black-card);
  border: 1px solid var(--black-border);
  border-radius: 1.1rem;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.form-group label {
  font-size: .78rem;
  font-weight: 600;
  color: rgba(255,255,255,.7);
  letter-spacing: .04em;
  text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--black-soft);
  border: 1px solid var(--black-border);
  border-radius: .45rem;
  padding: .7rem 1rem;
  font-size: .9rem;
  font-family: var(--font-body);
  color: var(--white);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
  outline: none;
  width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,.2); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-glow);
}

.form-group input.error,
.form-group select.error { border-color: #ef4444; }

.form-group select option { background: var(--black-card); }

.form-error {
  font-size: .73rem;
  color: #f87171;
  min-height: 1em;
}

.form-success {
  text-align: center;
  font-size: .88rem;
  color: #34d399;
  background: rgba(52,211,153,.07);
  border: 1px solid rgba(52,211,153,.2);
  border-radius: .45rem;
  padding: .85rem;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--black);
  border-top: 1px solid var(--black-border);
  padding-top: 3rem;
}

.footer__inner {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  padding-bottom: 3rem;
}

.footer__brand { flex: 1; min-width: 200px; }
.footer__brand p {
  font-size: .85rem;
  color: var(--white-muted);
  margin-top: .85rem;
  max-width: 220px;
  line-height: 1.6;
}
.footer__eaii {
  font-size: .72rem !important;
  color: var(--gold) !important;
  margin-top: .4rem !important;
  letter-spacing: .04em;
}

.footer__nav { display: flex; gap: 3rem; flex-wrap: wrap; }

.footer__col h4 {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

.footer__col ul { display: flex; flex-direction: column; gap: .6rem; }
.footer__col a {
  font-size: .85rem;
  color: var(--white-muted);
  transition: color .2s;
}
.footer__col a:hover { color: var(--white); }

.footer__bottom {
  border-top: 1px solid var(--black-border);
  padding-block: 1.25rem;
  text-align: center;
}
.footer__bottom p {
  font-size: .78rem;
  color: rgba(255,255,255,.25);
}

/* ---------- Divider line (gold) ---------- */
.gold-line {
  width: 48px; height: 3px;
  background: var(--grad-gold);
  border-radius: 2px;
  margin: 1rem auto 0;
}

/* ---------- Scroll-reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .55s var(--ease), transform .55s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .contact__inner { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 768px) {
  :root { --section-py: 4rem; }
  .nav__links, .nav__inner > .btn--gold { display: none; }
  .nav__burger { display: flex; }
  .hero__stats { gap: 1.5rem; padding: 1.25rem 1.5rem; }
  .stat__div { display: none; }
  .products__grid { grid-template-columns: 1fr; }
  .why__grid { grid-template-columns: 1fr; }
  .footer__inner { flex-direction: column; gap: 2rem; }
}

@media (max-width: 480px) {
  .hero__heading { font-size: 2.4rem; }
  .hero__actions { flex-direction: column; align-items: center; }
  .btn--lg { width: 100%; max-width: 280px; }
  .logo-prince, .logo-fi { font-size: 1.3rem; }
}

/* ---------- Accessibility ---------- */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}