/* Aesthetic direction: Isheto brand — light canvas, Signal Blue authority, Cyan Circuit energy, Mint Pulse precision */

/* ── BRAND TOKENS (Isheto) ──────────────────────────────────── */
:root {
  /* Brand palette */
  --blue:        #3B6FD4;   /* Signal Blue — buttons, links, CTAs */
  --blue-dark:   #2E5FB8;   /* mid-blue — hover */
  --blue-glow:   rgba(59, 111, 212, 0.10);
  --cyan:        #1A9FAD;   /* Cyan Circuit — icons, labels, highlights */
  --cyan-dark:   #147A86;
  --cyan-glow:   rgba(26, 159, 173, 0.10);
  --mint:        #5EEAD4;   /* Mint Pulse — hover states, badges, accents */
  --navy:        #0B1628;   /* Navy Depth — dark text */
  --slate:       #1C3159;   /* Dark Slate — card accent surfaces */
  --muted:       #8496B0;   /* Slate Gray — secondary text */
  --body:        #334155;   /* Body text */
  --off-white:   #F7F9FF;   /* Off White — background */
  --white:       #ffffff;
  --border:      #DDE4F0;
  --surface:     #EEF2FB;
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --shadow-sm:   0 1px 3px rgba(11,22,40,0.06), 0 1px 2px rgba(11,22,40,0.04);
  --shadow-md:   0 4px 16px rgba(11,22,40,0.08), 0 1px 4px rgba(11,22,40,0.05);
  --shadow-lg:   0 8px 32px rgba(11,22,40,0.12), 0 2px 8px rgba(11,22,40,0.07);
  --transition:  all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── RESET ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: 'DM Sans', 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--navy);
  background: var(--off-white);
  overflow-x: hidden;
}

h1, h2, h3, .logo, .stat-num {
  font-family: 'Montserrat', 'DM Sans', 'Helvetica Neue', Arial, sans-serif;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ── LAYOUT ─────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── TYPOGRAPHY HELPERS ─────────────────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, var(--blue) 0%, var(--cyan) 60%, var(--mint) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 12px;
  font-family: 'Montserrat', 'DM Sans', sans-serif;
}

.section-sub {
  font-size: 17px;
  color: var(--muted);
  max-width: 560px;
  margin: 12px auto 0;
  line-height: 1.65;
}

.eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 16px;
  font-family: 'Montserrat', 'DM Sans', sans-serif;
}

/* ── BUTTONS ────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  background: var(--blue);
  color: var(--off-white);
  font-family: 'Montserrat', 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(59, 111, 212, 0.32);
}
.btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(59, 111, 212, 0.42);
}
.btn-primary svg { transition: transform 0.2s; }
.btn-primary:hover svg { transform: translateY(2px); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11px 24px;
  background: transparent;
  color: var(--blue);
  font-family: 'Montserrat', 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  border-radius: 50px;
  border: 1.5px solid var(--blue);
  cursor: pointer;
  transition: var(--transition);
  margin-top: 24px;
}
.btn-outline:hover {
  background: var(--blue-glow);
  border-color: var(--blue-dark);
  transform: translateX(2px);
}

/* ── NAV ────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 249, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  isolation: isolate;
}
.nav-inner {
  display: flex;
  align-items: center;
  height: 60px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 15px;
  font-weight: 900;
  color: var(--navy);
  letter-spacing: -0.01em;
  text-transform: uppercase;
}
.logo:hover { color: var(--blue); }

/* ── HERO ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 90px 0 80px;
  text-align: center;
  overflow: hidden;
  z-index: 1;
}
.hero-bg-dots {
  display: none; /* replaced by Three.js animated wave */
}
.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 500px;
  background: radial-gradient(ellipse at center, rgba(59,111,212,0.06) 0%, rgba(26,159,173,0.03) 50%, transparent 70%);
  pointer-events: none;
}

/* Hero sits on transparent bg so Three.js wave shows through */
.hero-inner {
  background: transparent;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero h1 {
  font-size: clamp(36px, 6vw, 60px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--navy);
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 17px;
  color: var(--muted);
  max-width: 520px;
  margin: 0 auto 36px;
  line-height: 1.65;
}

/* Stats */
.stats-row {
  display: inline-flex;
  align-items: center;
  gap: 0;
  background: transparent;
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: none;
  margin-bottom: 36px;
  overflow: hidden;
}
.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 36px;
  gap: 4px;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  opacity: 0.5;
}
.stat-num {
  font-size: 30px;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 14px;
  color: var(--muted);
  font-weight: 500;
}

/* ── PROCESS ────────────────────────────────────────────────── */
.process {
  padding: 90px 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
  position: relative;
  z-index: 1;
}
.process h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.025em;
}

.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 52px;
  text-align: left;
}

.step-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px 36px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
}
.step-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: rgba(26, 159, 173, 0.3);
}

.step-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
}
.step-icon {
  width: 44px;
  height: 44px;
  background: var(--cyan-glow);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(26,159,173,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}
.step-num {
  font-size: 12px;
  font-weight: 900;
  color: var(--mint);
  letter-spacing: 0.08em;
  font-family: 'Montserrat', 'DM Sans', sans-serif;
  background: var(--slate);
  padding: 2px 8px;
  border-radius: 4px;
}

.step-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.015em;
  margin-bottom: 6px;
}
.step-tag {
  font-size: 13px;
  color: var(--cyan);
  font-weight: 600;
  margin-bottom: 16px;
}
.step-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.step-list li {
  font-size: 14.5px;
  color: var(--body);
  padding-left: 18px;
  position: relative;
  line-height: 1.55;
}
.step-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 700;
}

.process-cta {
  margin-top: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.process-cta-text {
  font-size: 18px;
  font-weight: 500;
  color: var(--navy);
}

/* ── TESTIMONIALS ───────────────────────────────────────────── */
.testimonials {
  padding: 90px 0;
  text-align: center;
  position: relative;
  z-index: 1;
  background: var(--off-white);
}
.testimonials h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.025em;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 52px;
  text-align: left;
}

.testimonial-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: rgba(59, 111, 212, 0.2);
}

.quote-mark {
  font-size: 52px;
  line-height: 1;
  color: var(--mint);
  font-weight: 700;
  opacity: 0.7;
  margin-bottom: -12px;
}
.testimonial-card blockquote {
  font-size: 15px;
  line-height: 1.7;
  color: var(--body);
  font-style: italic;
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.author-avatar {
  width: 42px;
  height: 42px;
  min-width: 42px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 900;
  color: var(--off-white);
  letter-spacing: 0.05em;
  font-family: 'Montserrat', 'DM Sans', sans-serif;
}
.testimonial-author div:last-child {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.testimonial-author strong {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
}
.testimonial-author span {
  font-size: 12px;
  color: var(--muted);
}
.author-sub {
  font-size: 11px !important;
  color: var(--cyan) !important;
  font-weight: 600;
}

/* ── FOUNDER ────────────────────────────────────────────────── */
.founder {
  padding: 90px 0;
  background: linear-gradient(160deg, #f0f4ff 0%, #e5f5f7 55%, #eef8f0 100%);
  border-top: 1px solid var(--border);
  text-align: center;
  position: relative;
  z-index: 1;
}
.founder h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.025em;
  margin-bottom: 40px;
}

.founder-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 36px;
  box-shadow: var(--shadow-md);
  text-align: left;
  max-width: 720px;
  margin: 0 auto;
}

.founder-photo {
  flex-shrink: 0;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
}
.founder-photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 10%;
  transform: scale(1.12);
  display: block;
}
.founder-avatar-placeholder {
  width: 160px;
  height: 160px;
  background: linear-gradient(145deg, var(--blue) 0%, var(--cyan) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.founder-bio h3 {
  font-size: 26px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.founder-bio p {
  font-size: 15px;
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 14px;
}
.founder-bio p:last-of-type { margin-bottom: 0; }

/* ── FAQ ────────────────────────────────────────────────────── */
.faq {
  padding: 90px 0;
  background: var(--off-white);
  border-top: 1px solid var(--border);
  text-align: center;
  position: relative;
  z-index: 1;
}
.faq h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.025em;
}

.faq-list {
  max-width: 720px;
  margin: 52px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: left;
}

.faq-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.faq-item:has(.faq-trigger[aria-expanded="true"]) {
  border-color: rgba(26, 159, 173, 0.3);
  box-shadow: var(--shadow-md);
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  transition: var(--transition);
  text-align: left;
}
.faq-trigger:hover {
  background: rgba(247, 249, 255, 0.8);
}
.faq-trigger[aria-expanded="true"] {
  background: rgba(26, 159, 173, 0.04);
}

.faq-trigger-left {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
}
.faq-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--cyan-glow);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.faq-trigger-left span:last-child {
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.45;
}

.faq-chevron {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: var(--surface);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), background 0.2s;
}
.faq-trigger[aria-expanded="true"] .faq-chevron {
  transform: rotate(180deg);
  background: var(--cyan-glow);
  color: var(--cyan);
}

/* Accordion content */
.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.25s ease;
  opacity: 0;
}
.faq-content.open {
  max-height: 400px;
  opacity: 1;
}

.faq-answer {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin: 0 20px 16px 66px;
  padding: 16px;
  background: var(--surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.faq-answer p {
  flex: 1;
  font-size: 14.5px;
  color: var(--body, #334155);
  line-height: 1.7;
  margin: 0;
}
.faq-answer-icon {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  background: rgba(26, 159, 173, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 719px) {
  .faq { padding: 64px 0; }
  .faq-answer { margin-left: 20px; }
}

/* ── FOOTER ─────────────────────────────────────────────────── */
.footer {
  padding: 28px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  position: relative;
  z-index: 1;
  background: var(--off-white);
}
.footer p {
  font-size: 13px;
  color: var(--muted);
}

/* ── DESKTOP BREAKPOINT ─────────────────────────────────────── */
@media (min-width: 720px) {
  .steps {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .testimonial-grid {
    grid-template-columns: 1fr 1fr 1fr;
    align-items: start;
  }
  .founder-card {
    flex-direction: row;
    text-align: left;
    align-items: flex-start;
    padding: 56px 56px;
  }
  .section-sub { margin-left: auto; margin-right: auto; }
  .br-desktop { display: inline; }
}

@media (max-width: 719px) {
  .br-desktop { display: none; }
  .hero { padding: 64px 0 60px; }
  .process, .testimonials, .founder { padding: 64px 0; }
  .step-card, .testimonial-card { padding: 24px; }
  .stat-card { padding: 16px 24px; }
}