/*
 * Portfolio Shared Base Styles — v2.0
 *
 * Covers: reset, nav (+ mobile hamburger), scroll-reveal, proof bar,
 * service/review/team card skeletons, form elements, WA FAB, sticky
 * mobile CTA, footer, grid utilities and responsive rules.
 *
 * Each page still owns its <style> block for:
 *   - CSS custom properties (color palette)
 *   - Hero section
 *   - Unique section layouts
 *   - Typography choices (font-family)
 */

/* ── Typography — Allen87 Brand Fonts ───────────────────────────────── */
:root {
  --font-display: 'KoHo', 'Josefin Sans', sans-serif;
  --font-sans:    'Josefin Sans', system-ui, -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  transition: background .3s, color .3s;
}

h1, h2, h3, h4, h5 { font-family: var(--font-display); }

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

/* ── Scroll Reveal ──────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .65s cubic-bezier(.22,1,.36,1), transform .65s cubic-bezier(.22,1,.36,1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }

/* ── Gradient Text Utility ──────────────────────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent2, var(--accent)));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Navigation ─────────────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 5%;
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: background .3s;
}

.nav-logo {
  font-size: 1.3rem;
  text-decoration: none;
  letter-spacing: .03em;
}

.nav-links {
  display: flex;
  gap: 1.8rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  font-size: .82rem;
  letter-spacing: .05em;
  transition: color .2s;
}

.nav-controls {
  display: flex;
  gap: .5rem;
  align-items: center;
}

.ctrl-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text2);
  padding: .36rem .72rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .05em;
  transition: border-color .2s, color .2s;
}

.ctrl-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Multi-lang switcher ────────────────────────────── */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: .18rem;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
}

.lang-dot {
  color: var(--text3, #666);
  padding: 0 .18rem;
  font-size: .7rem;
  user-select: none;
}

.lang-opt {
  background: transparent;
  border: none;
  color: var(--text2, #888);
  padding: .3rem .45rem;
  border-radius: 5px;
  cursor: pointer;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  transition: background .18s, color .18s;
  white-space: nowrap;
}

.lang-opt:hover {
  color: var(--accent);
}

.lang-opt.active {
  background: var(--text, #e8e8e8);
  color: var(--bg, #0a0a0a);
  border-radius: 4px;
}

.nav-cta {
  background: var(--accent);
  color: var(--cta-text, #fff);
  border: none;
  padding: .44rem 1.1rem;
  border-radius: 6px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .04em;
  cursor: pointer;
  text-decoration: none;
  transition: opacity .2s;
}

.nav-cta:hover { opacity: .85; }

/* ── Mobile Hamburger ────────────────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 110;
}
.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--text, #e8e8e8);
  transition: all .3s;
  display: block;
  border-radius: 2px;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Proof / Stats Bar ──────────────────────────────────────────────── */
.proof {
  padding: 1.4rem 5%;
  display: flex;
  justify-content: space-around;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.proof-item { text-align: center; }

.proof-item strong {
  display: block;
  font-size: 1.6rem;
  line-height: 1;
}

.proof-item span {
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  opacity: .85;
}

/* ── Section Scaffolding ────────────────────────────────────────────── */
section { padding: 5rem 5%; }

.section-label {
  display: inline-block;
  font-size: .73rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: .8rem;
  color: var(--accent);
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  line-height: 1.15;
  margin-bottom: .8rem;
}

.section-sub {
  font-size: .95rem;
  font-weight: 300;
  max-width: 560px;
  margin-bottom: 3rem;
  color: var(--text2);
}

/* ── Cards Grid ─────────────────────────────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: transform .3s, box-shadow .3s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px var(--accent-glow);
}

.card-body { padding: 1.8rem; }

.card-photo { overflow: hidden; }
.card-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s;
}
.card:hover .card-photo img { transform: scale(1.04); }

/* ── Review Cards ───────────────────────────────────────────────────── */
.review-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.8rem;
}

.stars {
  font-size: 1.05rem;
  letter-spacing: .1rem;
  margin-bottom: .8rem;
  color: var(--accent);
}

.review-card blockquote {
  color: var(--text2);
  font-size: .9rem;
  font-weight: 300;
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 1.2rem;
}

.reviewer {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.reviewer-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .82rem;
  background: linear-gradient(135deg, var(--accent2, var(--accent)), var(--accent));
  color: #fff;
  flex-shrink: 0;
}

.reviewer-name {
  font-weight: 600;
  font-size: .87rem;
}

.reviewer-detail {
  font-size: .76rem;
  color: var(--text3);
}

/* ── Forms ──────────────────────────────────────────────────────────── */
form { display: flex; flex-direction: column; gap: 1rem; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

input,
select,
textarea {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: .85rem 1.1rem;
  border-radius: 8px;
  font-family: inherit;
  font-size: .9rem;
  transition: border-color .2s;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
}

textarea { resize: vertical; min-height: 120px; }

select option { background: var(--bg); }

.form-note {
  color: var(--text3);
  font-size: .78rem;
}

.btn-submit {
  background: var(--accent);
  color: var(--cta-text, #fff);
  border: none;
  padding: 1rem;
  border-radius: 8px;
  font-size: .95rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: .03em;
  transition: opacity .2s;
}

.btn-submit:hover { opacity: .88; }

/* ── Social Pills ───────────────────────────────────────────────────── */
.social-row {
  display: flex;
  gap: .6rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.social-pill {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text2);
  text-decoration: none;
  padding: .48rem .95rem;
  border-radius: 8px;
  font-size: .82rem;
  font-weight: 500;
  transition: border-color .2s, color .2s;
}

.social-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.social-pill svg { flex-shrink: 0; }

/* ── FAQ Accordion ──────────────────────────────────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: .75rem; max-width: 720px; margin: 0 auto; }

.faq-item {
  background: var(--card, var(--bg2, #111));
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--text);
  text-align: left;
  padding: 1.1rem 1.4rem;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-family: inherit;
  line-height: 1.4;
}

.faq-question::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--accent);
  transition: transform .3s;
  flex-shrink: 0;
}

.faq-item.open .faq-question::after { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s cubic-bezier(.22,1,.36,1), padding .3s;
  font-size: .88rem;
  color: var(--text2, var(--text-dim, #888));
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  max-height: 400px;
  padding: 0 1.4rem 1.1rem;
}

/* ── Testimonials ────────────────────────────────────────────────────── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--card, var(--bg2, #111));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform .3s, border-color .3s;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.testimonial-stars {
  font-size: .9rem;
  letter-spacing: .08rem;
  color: #f5a623;
}

.testimonial-text {
  font-size: .9rem;
  color: var(--text2, var(--text-dim, #888));
  line-height: 1.7;
  font-style: italic;
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2, var(--accent)));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .85rem;
  color: var(--cta-text, #fff);
  flex-shrink: 0;
}

.testimonial-name { font-weight: 600; font-size: .88rem; }
.testimonial-detail { font-size: .75rem; color: var(--text3, #666); }

/* ── Sticky Mobile CTA ──────────────────────────────────────────────── */
.sticky-cta-bar {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 150;
  padding: .8rem 1rem;
  background: var(--bg, #0a0a0a);
  border-top: 1px solid var(--border);
  backdrop-filter: blur(14px);
}

.sticky-cta-bar a {
  display: block;
  text-align: center;
  background: var(--accent);
  color: var(--cta-text, #fff);
  padding: .85rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: .95rem;
  text-decoration: none;
  transition: opacity .2s;
}

.sticky-cta-bar a:hover { opacity: .88; }

/* ── Footer ─────────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 5%;
  text-align: center;
}

footer p {
  font-size: .82rem;
  margin-top: .3rem;
  color: var(--text3);
}

/* ── WhatsApp FAB ───────────────────────────────────────────────────── */
.wa-fab {
  position: fixed;
  bottom: 1.8rem;
  right: 1.8rem;
  z-index: 200;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37, 211, 102, .4);
  text-decoration: none;
  transition: transform .2s;
}

.wa-fab:hover { transform: scale(1.1); }
.wa-fab svg { width: 28px; height: 28px; fill: #fff; }

/* ── Utility: two-column split layout ───────────────────────────────── */
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.split-photo {
  border-radius: 14px;
  overflow: hidden;
  position: relative;
}

.split-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── Utility Classes ────────────────────────────────────────────────── */
/*
 * Use these classes in HTML instead of inline styles.
 * Eliminates style= attributes and keeps behaviour in CSS.
 */

/* Cover image inside a fixed-height container */
.img-cover {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}

/* Cover image with rounded corners (e.g. about section) */
.img-cover-rounded {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  border-radius: 1rem;
}

/* Section with secondary background + top border separator */
.section-alt {
  background: var(--bg2, #111);
  border-top: 1px solid var(--border, #1f1f1f);
}

/* Section with secondary background + top/bottom borders */
.section-alt-bordered {
  background: var(--bg2, #111);
  border-top: 1px solid var(--border, #1f1f1f);
  border-bottom: 1px solid var(--border, #1f1f1f);
}

/* Inline accent-colored link (e.g. inside contact blocks) */
.link-accent { color: var(--accent); text-decoration: underline; }

/* ── Responsive ─────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--bg, #0a0a0a);
    padding: 1rem 5%;
    flex-direction: column;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }

  .split-grid,
  .contact-grid { grid-template-columns: 1fr; }

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

  .split-photo { aspect-ratio: 16 / 9; }

  .sticky-cta-bar { display: block; }

  footer { padding-bottom: 5rem; }
}