/* =========================================================
   LINEA PRO — Design System
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500;9..144,600&family=DM+Sans:wght@400;500;600&display=swap');

:root {
  /* Palette */
  --color-bg: #0F172A;
  --color-bg-alt: #1A2847;
  --color-ink: #FFFFFF;
  --color-ink-soft: #E0E7FF;
  --color-muted: #94A3B8;
  --color-line: #334155;
  --color-accent: #7C3AED;
  --color-accent-soft: #A78BFA;

  /* Typography */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-xxl: 10rem;

  /* Layout */
  --max-width: 1280px;
  --padding-x: clamp(1.5rem, 5vw, 4rem);
}

/* =========================================================
   Reset & Base
   ========================================================= */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-ink);
  background: linear-gradient(180deg, #0F172A 0%, #1A2847 100%);
  overflow-x: hidden;
  min-height: 100vh;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

a:hover {
  opacity: 0.7;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* =========================================================
   Typography
   ========================================================= */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

h1 {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 300;
}

h2 {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
}

h3 {
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 500;
}

h4 {
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

p {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: #E0E7FF;
}

.lead {
  font-size: clamp(1.15rem, 1.6vw, 1.35rem);
  line-height: 1.55;
  color: #F0F4FF;
  font-weight: 400;
  max-width: 38em;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 500;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--color-accent);
}

.numeral {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  color: var(--color-accent);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
}

/* =========================================================
   Layout containers
   ========================================================= */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--padding-x);
  padding-right: var(--padding-x);
}

section {
  padding-top: var(--space-xxl);
  padding-bottom: var(--space-xxl);
}

@media (max-width: 768px) {
  section {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
  }
}

/* =========================================================
   Header / Navigation
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-line);
}

.nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.4rem var(--padding-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.nav-brand-mark {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  display: inline-block;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-ink-soft);
  position: relative;
  padding: 0.3rem 0;
}

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

.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-accent);
}

.nav-cta {
  background: var(--color-ink);
  color: var(--color-bg);
  padding: 0.7rem 1.4rem;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: all 0.2s ease;
}

.nav-cta:hover {
  background: var(--color-accent);
  color: var(--color-ink);
  opacity: 1;
}

/* Mobile burger */
.nav-burger {
  display: none;
  width: 32px;
  height: 32px;
  position: relative;
}

.nav-burger span {
  display: block;
  position: absolute;
  left: 4px;
  right: 4px;
  height: 1.5px;
  background: var(--color-ink);
  transition: all 0.3s ease;
}

.nav-burger span:nth-child(1) { top: 11px; }
.nav-burger span:nth-child(2) { top: 19px; }

@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: 2rem var(--padding-x);
    gap: 1.5rem;
    border-bottom: 1px solid var(--color-line);
    transform: translateY(-130%);
    transition: transform 0.3s ease;
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .nav-burger {
    display: block;
  }

  .nav-burger.open span:nth-child(1) {
    top: 15px;
    transform: rotate(45deg);
  }

  .nav-burger.open span:nth-child(2) {
    top: 15px;
    transform: rotate(-45deg);
  }
}

/* =========================================================
   Buttons
   ========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 1rem 2rem;
  border-radius: 100px;
  font-size: 0.98rem;
  font-weight: 500;
  letter-spacing: 0.005em;
  transition: all 0.25s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #7C3AED 0%, #6D28D9 100%);
  color: var(--color-bg);
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #8B5CF6 0%, #7C3AED 100%);
  color: var(--color-ink);
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(124, 58, 237, 0.3);
}

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

.btn-outline:hover {
  background: var(--color-ink);
  color: var(--color-bg);
  opacity: 1;
}

.btn-light {
  background: var(--color-bg);
  color: var(--color-ink);
}

.btn-light:hover {
  background: var(--color-accent);
  opacity: 1;
}

.btn-arrow {
  transition: transform 0.25s ease;
  display: inline-block;
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* =========================================================
   Hero
   ========================================================= */

.hero {
  padding-top: clamp(5rem, 10vw, 9rem);
  padding-bottom: clamp(5rem, 10vw, 9rem);
  position: relative;
  overflow: hidden;
}

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

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.5fr 1fr;
    gap: 6rem;
  }
}

.hero-headline {
  font-size: clamp(3rem, 7.5vw, 6rem);
  font-weight: 300;
  line-height: 0.98;
  letter-spacing: -0.025em;
  margin-bottom: 2rem;
}

.hero-headline em {
  font-style: italic;
  color: var(--color-accent);
  font-weight: 400;
}

.hero-side {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-bottom: 1rem;
}

.hero-meta {
  font-size: 0.85rem;
  color: #CBD5E1;
  letter-spacing: 0.02em;
  border-top: 1px solid var(--color-line);
  padding-top: 1.2rem;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.5rem;
}

/* Decorative divider */
.divider-section {
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

/* =========================================================
   Marquee / Trust band
   ========================================================= */

.trust-band {
  background: var(--color-ink);
  color: var(--color-bg);
  padding: 1.5rem 0;
  overflow: hidden;
}

.trust-track {
  display: flex;
  gap: 4rem;
  white-space: nowrap;
  animation: marquee 40s linear infinite;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-style: italic;
  font-weight: 300;
  color: var(--color-bg);
  letter-spacing: 0.02em;
}

.trust-track span {
  display: inline-flex;
  align-items: center;
  gap: 4rem;
}

.trust-track span::after {
  content: "✦";
  color: var(--color-accent);
  font-style: normal;
  font-size: 0.85rem;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* =========================================================
   Two-column block
   ========================================================= */

.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 900px) {
  .split {
    grid-template-columns: 1fr 1.4fr;
    gap: 6rem;
    align-items: start;
  }
}

.split-label {
  position: sticky;
  top: 110px;
}

/* =========================================================
   Cards / Services
   ========================================================= */

.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: transparent;
  border: none;
  margin-top: 4rem;
}

@media (min-width: 900px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .cards-grid.cards-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: linear-gradient(135deg, #1A2847 0%, #0F172A 100%);
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: all 0.3s ease;
  position: relative;
  min-height: 380px;
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: 8px;
}

.card:hover {
  background: linear-gradient(135deg, #2A3F5F 0%, #1A2847 100%);
  border-color: rgba(124, 58, 237, 0.4);
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(124, 58, 237, 0.2);
}

.card-numeral {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

.card h3 {
  font-size: 1.7rem;
  line-height: 1.1;
}

.card p {
  font-size: 1rem;
  color: #E0E7FF;
  flex-grow: 1;
}

.card-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin-top: 0.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-line);
}

.card-features li {
  font-size: 0.92rem;
  color: #E0E7FF;
  padding-left: 1.4rem;
  position: relative;
}

.card-features li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* =========================================================
   Method / Process
   ========================================================= */

.method-list {
  margin-top: 5rem;
  border-top: 1px solid var(--color-line);
}

.method-step {
  border-bottom: 1px solid var(--color-line);
  padding: 3rem 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: start;
  transition: padding 0.3s ease;
}

@media (min-width: 900px) {
  .method-step {
    grid-template-columns: auto 1fr 1.5fr;
    gap: 4rem;
  }
}

.method-step:hover {
  padding-left: 1rem;
}

.method-num {
  font-family: var(--font-display);
  font-size: 1rem;
  font-style: italic;
  color: var(--color-accent);
  font-weight: 400;
  letter-spacing: 0.05em;
  white-space: nowrap;
  padding-top: 0.4rem;
}

.method-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.015em;
}

.method-desc {
  color: #E0E7FF;
  font-size: 1.02rem;
  line-height: 1.65;
}

/* =========================================================
   Stats / Metrics
   ========================================================= */

.metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 4rem;
  border-top: 1px solid var(--color-line);
}

@media (min-width: 700px) {
  .metrics {
    grid-template-columns: repeat(3, 1fr);
  }
}

.metric-num {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 6vw, 5rem);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  margin-bottom: 0.6rem;
}

.metric-num em {
  font-style: italic;
  color: var(--color-accent);
}

.metric-label {
  font-size: 0.95rem;
  color: #E0E7FF;
  max-width: 24em;
  line-height: 1.5;
}

/* =========================================================
   Quote / Editorial blocks
   ========================================================= */

.quote-block {
  background: linear-gradient(135deg, #7C3AED 0%, #6D28D9 100%);
  color: var(--color-bg);
  padding: clamp(4rem, 8vw, 7rem) var(--padding-x);
  margin: var(--space-xl) 0;
  border-radius: 12px;
  box-shadow: 0 25px 50px rgba(124, 58, 237, 0.25);
}

.quote-inner {
  max-width: 920px;
  margin: 0 auto;
  text-align: left;
}

.quote-mark {
  font-family: var(--font-display);
  font-size: 5rem;
  font-style: italic;
  font-weight: 300;
  color: var(--color-accent);
  line-height: 0.7;
  display: block;
  margin-bottom: 1.5rem;
}

.quote-text {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.8vw, 2.3rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--color-bg);
  max-width: 22em;
}

/* =========================================================
   FAQ
   ========================================================= */

.faq-list {
  margin-top: 3rem;
  border-top: 1px solid var(--color-line);
}

.faq-item {
  border-bottom: 1px solid var(--color-line);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.8rem 0;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.6vw, 1.4rem);
  font-weight: 400;
  color: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  letter-spacing: -0.01em;
  transition: color 0.2s ease;
}

.faq-question:hover {
  color: var(--color-accent);
}

.faq-toggle {
  font-family: var(--font-body);
  font-size: 1.5rem;
  color: var(--color-accent);
  font-weight: 300;
  width: 24px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  color: #E0E7FF;
  font-size: 1rem;
  line-height: 1.65;
}

.faq-item.open .faq-answer {
  max-height: 600px;
  padding-bottom: 1.8rem;
  padding-right: 3rem;
}

/* =========================================================
   CTA banner
   ========================================================= */

.cta-banner {
  background: linear-gradient(135deg, #1A2847 0%, #2A3F5F 100%);
  border: 2px solid rgba(124, 58, 237, 0.3);
  padding: clamp(3rem, 6vw, 5rem);
  margin-top: var(--space-xl);
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  border-radius: 12px;
  box-shadow: 0 15px 30px rgba(124, 58, 237, 0.15);
}

@media (min-width: 900px) {
  .cta-banner {
    grid-template-columns: 1.5fr auto;
    gap: 4rem;
  }
}

.cta-banner h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  line-height: 1.05;
}

/* =========================================================
   Footer
   ========================================================= */

.site-footer {
  background: var(--color-ink);
  color: var(--color-bg);
  padding: 5rem 0 2rem;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

@media (min-width: 700px) {
  .footer-grid {
    grid-template-columns: 1.5fr repeat(3, 1fr);
  }
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  margin-bottom: 1rem;
}

.footer-tagline {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.6);
  max-width: 24em;
  line-height: 1.55;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col a {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.75);
}

.footer-col a:hover {
  color: var(--color-accent);
  opacity: 1;
}

.footer-bottom {
  padding-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

/* =========================================================
   Form
   ========================================================= */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}

@media (min-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr 1.2fr;
    gap: 6rem;
  }
}

.contact-info-block {
  border-top: 1px solid var(--color-line);
  padding-top: 1.5rem;
  margin-top: 1.5rem;
}

.contact-info-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 500;
  color: #CBD5E1;
  margin-bottom: 0.5rem;
}

.contact-info-value {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-ink);
}

.form {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.field label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 500;
  color: #CBD5E1;
}

.field input,
.field textarea,
.field select {
  font-family: inherit;
  font-size: 1.05rem;
  padding: 0.9rem 0;
  border: none;
  border-bottom: 1px solid var(--color-line);
  background: transparent;
  color: var(--color-ink);
  transition: border-color 0.2s ease;
}

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

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

/* =========================================================
   Animations
   ========================================================= */

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-up {
  animation: fadeUp 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.25s; }
.delay-3 { animation-delay: 0.4s; }
.delay-4 { animation-delay: 0.55s; }

/* =========================================================
   Page intro (sub-pages)
   ========================================================= */

.page-intro {
  padding-top: clamp(4rem, 8vw, 7rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

.page-intro h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.05;
  max-width: 14em;
  margin-top: 1.5rem;
  margin-bottom: 2rem;
}

.page-intro h1 em {
  font-style: italic;
  color: var(--color-accent);
  font-weight: 400;
}

/* =========================================================
   Utility
   ========================================================= */

.text-accent { color: var(--color-accent); }
.text-muted { color: var(--color-muted); }
.italic { font-style: italic; }
.center { text-align: center; }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }

.bg-ink {
  background: linear-gradient(135deg, #1A2847 0%, #2A3F5F 100%);
  color: #FFFFFF;
}

.bg-ink h1, .bg-ink h2, .bg-ink h3, .bg-ink h4 {
  color: #FFFFFF;
}

.bg-ink p { color: #E0E7FF; }

/* Decorative line */
.deco-line {
  width: 60px;
  height: 1px;
  background: var(--color-accent);
  margin: 2rem 0;
}