/* ==========================================================================
   Orienta Future – Stylesheet
   ========================================================================== */

:root {
  --color-bg: #F7F5EF;
  --color-text: #1F2933;
  --color-accent-green: #3A7D44;
  --color-accent-blue: #2F5D8C;
  --color-line: #E3DED3;
  --color-btn: #2F5D8C;
  --color-btn-hover: #24496E;
  --color-white: #FFFFFF;
  --color-text-muted: #4B5563;

  --font-sans: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  --container-max: 72rem;
  --container-padding: clamp(1.25rem, 4vw, 2.5rem);
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.25rem;

  --shadow-soft: 0 1px 3px rgba(31, 41, 51, 0.06);
  --shadow-card: 0 4px 20px rgba(31, 41, 51, 0.05);

  --transition: 0.2s ease;
}

/* Reset & Base
   -------------------------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-accent-blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color var(--transition);
}

a:hover,
a:focus-visible {
  color: var(--color-btn-hover);
}

h1, h2, h3, h4 {
  margin: 0;
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: -0.02em;
}

p {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Skip Link
   -------------------------------------------------------------------------- */

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  z-index: 200;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-btn);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 500;
}

.skip-link:focus {
  top: var(--space-sm);
}

/* Layout
   -------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.section {
  padding-block: clamp(3.5rem, 8vw, var(--space-2xl));
}

.section-header {
  margin-bottom: clamp(2rem, 5vw, var(--space-lg));
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  color: var(--color-text);
}

.section-line {
  width: 3rem;
  height: 3px;
  margin-top: var(--space-sm);
  background: var(--color-accent-blue);
  border-radius: 2px;
}

/* Header
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 245, 239, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
}

body.nav-open {
  overflow: hidden;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: var(--space-sm);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
  flex-shrink: 0;
}

.nav {
  margin-left: auto;
}

.logo:hover,
.logo:focus-visible {
  color: var(--color-text);
}

.logo-img {
  width: 2.5rem;
  height: 2.5rem;
  flex-shrink: 0;
  object-fit: contain;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(0.75rem, 2vw, 1.75rem);
}

.nav-list a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--color-accent-blue);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color var(--transition), background-color var(--transition);
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  border-color: rgba(47, 93, 140, 0.35);
  background: var(--color-white);
}

.nav-toggle-icon {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.3125rem;
  width: 1.25rem;
  height: 1.25rem;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

.site-header.is-nav-open .nav-toggle-bar:nth-child(1) {
  transform: translateY(0.4375rem) rotate(45deg);
}

.site-header.is-nav-open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header.is-nav-open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-0.4375rem) rotate(-45deg);
}

/* Hero
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  padding-block: clamp(4rem, 12vw, 7rem) clamp(3.5rem, 10vw, 6rem);
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 48rem;
  margin-inline: 0;
}

.hero-eyebrow {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent-blue);
  margin-bottom: var(--space-sm);
}

.hero-title {
  font-size: clamp(2.75rem, 8vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-sm);
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  color: var(--color-text-muted);
  font-weight: 400;
  margin-bottom: clamp(2rem, 5vw, var(--space-lg));
}

.hero-quote {
  margin: 0 0 clamp(2rem, 5vw, var(--space-lg));
  padding: clamp(1.5rem, 4vw, 2.25rem);
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-left: 4px solid var(--color-accent-blue);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.hero-quote p {
  font-size: clamp(1.125rem, 2.5vw, 1.3125rem);
  line-height: 1.75;
  font-weight: 500;
  color: var(--color-text);
}

.hero-quote p::before {
  content: none;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.hero-accent {
  position: absolute;
  top: -20%;
  right: -10%;
  width: clamp(18rem, 40vw, 32rem);
  height: clamp(18rem, 40vw, 32rem);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 93, 140, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8125rem 1.75rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.4;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--color-btn-hover);
  color: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.btn-primary:active {
  transform: translateY(1px);
}

/* Prose
   -------------------------------------------------------------------------- */

.prose p {
  font-size: clamp(1.0625rem, 2vw, 1.1875rem);
  line-height: 1.8;
  color: var(--color-text);
}

.prose-wide {
  max-width: 42rem;
}

/* Approach Section
   -------------------------------------------------------------------------- */

.section-approach {
  background: var(--color-white);
  border-block: 1px solid var(--color-line);
}

/* Values / Cards
   -------------------------------------------------------------------------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: clamp(1rem, 3vw, 1.5rem);
}

.card {
  padding: clamp(1.5rem, 3vw, 2rem);
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
  border-color: rgba(47, 93, 140, 0.25);
  box-shadow: 0 6px 24px rgba(31, 41, 51, 0.08);
}

.card-icon {
  width: 2.75rem;
  height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
}

.card-icon svg {
  width: 1.375rem;
  height: 1.375rem;
}

.card-icon--green {
  background: rgba(58, 125, 68, 0.1);
  color: var(--color-accent-green);
}

.card-icon--blue {
  background: rgba(47, 93, 140, 0.1);
  color: var(--color-accent-blue);
}

.card-title {
  font-size: 1.125rem;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.card-text {
  font-size: 0.975rem;
  line-height: 1.65;
  color: var(--color-text-muted);
}

/* Personal Section
   -------------------------------------------------------------------------- */

.personal-box {
  display: flex;
  flex-direction: column;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  max-width: 52rem;
  padding: clamp(1.75rem, 4vw, 2.5rem);
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}

@media (min-width: 40rem) {
  .personal-box {
    flex-direction: row;
    align-items: center;
  }
}

.personal-photo {
  width: clamp(10rem, 30vw, 17.5rem);
  height: auto;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  object-fit: cover;
  aspect-ratio: 1;
}

.personal-content p {
  font-size: clamp(1.0625rem, 2vw, 1.1875rem);
  line-height: 1.8;
}

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

.section-contact {
  background: var(--color-white);
  border-top: 1px solid var(--color-line);
}

.contact-box {
  max-width: 36rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-md);
}

.contact-text {
  font-size: clamp(1.0625rem, 2vw, 1.1875rem);
  line-height: 1.8;
  color: var(--color-text-muted);
}

.contact-email {
  font-size: clamp(1.25rem, 3vw, 1.625rem);
  font-weight: 600;
  color: var(--color-accent-blue);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.contact-email:hover,
.contact-email:focus-visible {
  color: var(--color-btn-hover);
  text-decoration: underline;
}

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

.site-footer {
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.85);
  padding-top: clamp(2.5rem, 6vw, var(--space-xl));
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
}

@media (min-width: 48rem) {
  .footer-inner {
    grid-template-columns: 2fr 1.5fr 1fr;
    align-items: start;
  }
}

.footer-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 0.375rem;
}

.footer-subtitle {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.65);
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.9);
}

.footer-contact a:hover,
.footer-contact a:focus-visible {
  color: var(--color-white);
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  font-size: 0.9375rem;
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-block: var(--space-md);
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.45);
}

/* Legal Pages
   -------------------------------------------------------------------------- */

.page-legal {
  padding-block: clamp(3rem, 8vw, 5rem);
}

.page-legal .container {
  max-width: 42rem;
}

.page-legal h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin-bottom: var(--space-md);
}

.page-legal .back-link {
  display: inline-block;
  margin-bottom: var(--space-lg);
  font-size: 0.9375rem;
  text-decoration: none;
}

.page-legal .placeholder-notice {
  padding: var(--space-md);
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: 0.975rem;
}

/* Focus Styles
   -------------------------------------------------------------------------- */

:focus-visible {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 3px;
}

/* Reduced Motion
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}

/* Mobile Navigation
   -------------------------------------------------------------------------- */

@media (max-width: 47.99rem) {
  .header-inner {
    position: relative;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .nav {
    order: 3;
    flex-basis: 100%;
    background: rgba(247, 245, 239, 0.98);
    border-top: 1px solid var(--color-line);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height var(--transition), opacity var(--transition);
    pointer-events: none;
  }

  .site-header.is-nav-open .nav {
    max-height: 20rem;
    opacity: 1;
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
    padding-block: 0.5rem;
  }

  .nav-list li {
    border-top: 1px solid var(--color-line);
  }

  .nav-list a {
    display: block;
    padding: 0.875rem 0;
    font-size: 1rem;
  }
}