/* =========================================================
   ShahiBuy — main stylesheet
   Palette: warm charcoal + coral + mint (no rgba text)
   ========================================================= */

:root {
  --bg: #141210;
  --bg-2: #1b1815;
  --bg-3: #242019;
  --line: #332d25;
  --ink: #f6f1ea;
  --muted: #a9a096;
  --accent: #ff6b4a;
  --accent-2: #7fd8c2;
  --accent-deep: #d64f2f;
  --on-accent: #1a1210;
  --radius: 14px;
  --radius-sm: 8px;
  --font-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-size: 16px;
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-2);
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header / Navigation (class selectors) ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg);
  border-bottom: 1px solid var(--line);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1160px;
  margin: 0 auto;
  padding: 18px 24px;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.brand span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 18px;
  border-radius: 999px;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.nav-cta:hover {
  background-color: var(--accent-2);
  color: var(--on-accent);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  width: 44px;
  height: 44px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- Hero (asymmetric editorial split) ---------- */

.hero-section {
  position: relative;
  padding: 96px 0 72px;
  background: linear-gradient(180deg, #1b1815 0%, var(--bg) 100%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.overline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 22px;
}

.overline::before {
  content: "";
  width: 28px;
  height: 2px;
  background-color: var(--accent-2);
}

.hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 700;
  margin-bottom: 26px;
}

.hero-copy h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-lede {
  color: var(--muted);
  font-size: 1.12rem;
  max-width: 560px;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 24px;
  border-radius: 999px;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.btn-primary {
  background-color: var(--accent);
  color: var(--on-accent);
}

.btn-primary:hover {
  background-color: var(--accent-2);
  color: var(--on-accent);
  transform: translateY(-1px);
}

.btn-ghost {
  background-color: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

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

/* Systems board visual */

.systems-board {
  background-color: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 24px 60px -30px #000000;
}

.board-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.board-head .board-title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.board-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-2);
}

.board-live::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-2);
}

.module-row {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.module-num {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
}

.module-row .module-name {
  font-weight: 600;
  color: var(--ink);
  font-size: 0.95rem;
}

.module-row .module-state {
  font-size: 0.8rem;
  color: var(--muted);
  text-align: right;
}

.module-row .module-state.ok {
  color: var(--accent-2);
}

.board-foot {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}

/* Hero stat strip */

.hero-stats {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background-color: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.hero-stat {
  background-color: var(--bg-2);
  padding: 26px 28px;
}

.hero-stat .stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.hero-stat .stat-value span {
  color: var(--accent);
}

.hero-stat .stat-label {
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: 4px;
}

/* ---------- Statement band ---------- */

.statement-section {
  padding: 110px 0;
}

.statement-kicker {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.statement-section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.4vw, 2.8rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
  max-width: 880px;
}

.statement-section h2 em {
  font-style: normal;
  color: var(--accent-2);
}

/* ---------- Capabilities (numbered list) ---------- */

.capabilities-section {
  padding: 100px 0;
  background-color: var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 56px;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.section-head p {
  color: var(--muted);
  max-width: 420px;
}

.cap-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px 48px;
}

.cap-item {
  display: flex;
  gap: 20px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.cap-num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  min-width: 56px;
}

.cap-item h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.cap-item p {
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------- Approach (timeline) ---------- */

.approach-section {
  padding: 110px 0;
}

.timeline {
  position: relative;
  margin-top: 56px;
  padding-left: 32px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background-color: var(--line);
}

.timeline-item {
  position: relative;
  padding-bottom: 44px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--bg);
  border: 3px solid var(--accent);
}

.timeline-item .t-phase {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.timeline-item h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  margin: 8px 0 10px;
}

.timeline-item p {
  color: var(--muted);
  max-width: 640px;
}

/* ---------- Industries ---------- */

.industries-section {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.industry-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 40px;
}

.industry-pills li {
  background-color: var(--bg-3);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 10px 18px;
  border-radius: 999px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.industry-pills li:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- Numbers / counters ---------- */

.numbers-section {
  padding: 90px 0;
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.number-card {
  background-color: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
}

.number-card .count {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--accent);
}

.number-card .count-label {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 8px;
}

/* ---------- FAQ (accordion) ---------- */

.faq-section {
  padding: 100px 0;
  background-color: var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.faq-list {
  max-width: 820px;
  margin-top: 48px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  background-color: var(--bg);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 22px 26px;
  text-align: left;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
}

.faq-question .faq-icon {
  font-size: 1.4rem;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 400px;
}

.faq-answer p {
  padding: 0 26px 24px;
  color: var(--muted);
}

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

.contact-section {
  padding: 110px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  margin-top: 48px;
}

.contact-info h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 18px;
}

.contact-info p {
  color: var(--muted);
  margin-bottom: 26px;
}

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

.contact-details a,
.contact-details span {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 500;
}

.contact-details .detail-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--bg-3);
  border: 1px solid var(--line);
  color: var(--accent);
  font-weight: 700;
}

.contact-form {
  background-color: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
}

.form-field input,
.form-field textarea {
  background-color: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 13px 16px;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--accent);
}

.form-field textarea {
  resize: vertical;
  min-height: 130px;
}

.form-note {
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--accent-2);
  min-height: 1.3em;
}

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

.site-footer {
  background-color: #0f0d0b;
  border-top: 1px solid var(--line);
}

.footer-cta {
  padding: 56px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.footer-cta h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: -0.02em;
}

.footer-cta p {
  color: var(--muted);
}

.footer-columns {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 56px 0 40px;
}

.footer-brand p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 16px;
  max-width: 300px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 18px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom p {
  color: var(--muted);
  font-size: 0.85rem;
}

.footer-wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3rem, 9vw, 7rem);
  letter-spacing: -0.04em;
  color: var(--bg-3);
  line-height: 1;
  text-align: center;
  padding: 8px 0 30px;
  user-select: none;
}

/* ---------- Scroll reveal ---------- */

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

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

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .cap-list {
    grid-template-columns: 1fr;
  }

  .numbers-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-columns {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background-color: var(--bg-2);
    border-bottom: 1px solid var(--line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 24px;
  }

  .site-nav.nav-open .nav-links {
    max-height: 420px;
    padding: 12px 24px;
  }

  .nav-links a {
    display: block;
    padding: 12px 0;
    width: 100%;
    border-bottom: 1px solid var(--line);
  }

  .nav-links a:last-child {
    border-bottom: none;
  }

  .nav-cta {
    display: none;
  }

  .hero-section {
    padding: 56px 0 48px;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .numbers-grid {
    grid-template-columns: 1fr;
  }

  .footer-columns {
    grid-template-columns: 1fr;
  }

  .footer-cta {
    flex-direction: column;
    align-items: flex-start;
  }
}