/* =============================================================
   TechVisaAssist — styles.css
   Calm, trustworthy, civic. Deep teal primary, warm neutral bg.
   ============================================================= */

/* ---------- Design Tokens ---------- */
:root {
  /* Type scale (fluid) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.25rem);

  /* Spacing (4px base) */
  --space-1: 0.25rem;  --space-2: 0.5rem;  --space-3: 0.75rem;
  --space-4: 1rem;     --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem;     --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem;    --space-20: 5rem;   --space-24: 6rem;
  --space-32: 8rem;

  /* Colors — light (civic teal + warm cream) */
  --color-bg: #f6f4ee;
  --color-surface: #fbfaf6;
  --color-surface-2: #ffffff;
  --color-surface-offset: #efece3;
  --color-border: #e1ddd1;
  --color-divider: #ebe7dd;

  --color-text: #1d2a2b;
  --color-text-muted: #5c6566;
  --color-text-faint: #97999a;
  --color-text-inverse: #f6f4ee;

  --color-primary: #0d6e76;          /* deep trustworthy teal */
  --color-primary-hover: #0a565d;
  --color-primary-active: #083f44;
  --color-primary-soft: #dceaea;     /* tints / badges */
  --color-primary-faint: #ebf3f2;

  --color-accent: #d98a2b;           /* warm friendly amber */
  --color-accent-soft: #f6e6cf;

  --color-success: #3f7a3f;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px rgba(29, 42, 43, 0.06);
  --shadow-md: 0 6px 20px rgba(29, 42, 43, 0.08);
  --shadow-lg: 0 18px 44px rgba(29, 42, 43, 0.12);

  --content-narrow: 680px;
  --content-default: 1000px;
  --content-wide: 1200px;

  --font-display: "General Sans", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;

  --nav-h: 4.25rem;
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + var(--space-4));
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

img, picture, svg { display: block; max-width: 100%; height: auto; }
ul[role="list"] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4 { text-wrap: balance; line-height: 1.15; font-family: var(--font-display); font-weight: 600; }
p { text-wrap: pretty; max-width: 64ch; }

a { color: var(--color-primary); text-decoration-color: color-mix(in srgb, var(--color-primary) 35%, transparent); text-underline-offset: 3px; }
a:hover { color: var(--color-primary-hover); }

button { cursor: pointer; background: none; border: none; }

::selection { background: color-mix(in srgb, var(--color-primary) 22%, transparent); color: var(--color-text); }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

a, button, [role="button"], input, textarea, select {
  transition: color var(--transition-interactive),
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: var(--space-3); top: -3rem;
  background: var(--color-primary); color: #fff; padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md); z-index: 200; font-size: var(--text-sm);
}
.skip-link:focus { top: var(--space-3); }

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-12));
}
.container--narrow { max-width: var(--content-narrow); }

section { padding-block: clamp(var(--space-16), 8vw, var(--space-32)); }

.eyebrow {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  text-transform: none;
  margin-bottom: var(--space-3);
}

.section-head { max-width: 56ch; margin-bottom: clamp(var(--space-8), 4vw, var(--space-12)); }
.section-head h2 { font-size: var(--text-xl); }
.section-head p { color: var(--color-text-muted); margin-top: var(--space-4); font-size: var(--text-base); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-size: var(--text-sm); font-weight: 600; line-height: 1;
  padding: 0.875rem 1.4rem; border-radius: var(--radius-full);
  min-height: 44px; white-space: nowrap; text-decoration: none;
}
.btn--primary { background: var(--color-primary); color: #fff; box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--color-primary-hover); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--ghost { background: transparent; color: var(--color-primary); border: 1.5px solid var(--color-border); }
.btn--ghost:hover { border-color: var(--color-primary); background: var(--color-primary-faint); color: var(--color-primary-hover); }
.btn--block { width: 100%; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--color-divider);
}
.nav {
  display: flex; align-items: center; gap: var(--space-4);
  height: var(--nav-h);
}
.brand { display: inline-flex; align-items: center; gap: var(--space-3); text-decoration: none; color: var(--color-text); flex-shrink: 0; }
.brand:hover { color: var(--color-text); }
.brand .logo { color: var(--color-primary); }
.brand-name { font-family: var(--font-display); font-weight: 600; font-size: 1.0625rem; letter-spacing: -0.01em; }
.brand-name b { color: var(--color-primary); font-weight: 600; }

.nav-links {
  display: flex; align-items: center; gap: clamp(var(--space-3), 2vw, var(--space-6));
  margin-left: auto;
  list-style: none;
}
.nav-links a {
  color: var(--color-text-muted); text-decoration: none; font-size: var(--text-sm); font-weight: 500;
  padding: var(--space-2) var(--space-1);
}
.nav-links a:hover { color: var(--color-primary); }
/* The in-menu CTA is for the mobile dropdown only; hide on desktop */
.nav-cta-mobile { display: none; }
.nav-links a.nav-cta-mobile { color: #fff; }

.nav-end { display: flex; align-items: center; gap: var(--space-3); }

.lang-switch {
  display: inline-flex; align-items: center;
  border: 1px solid var(--color-border); border-radius: var(--radius-full);
  padding: 3px; background: var(--color-surface);
}
.lang-switch button {
  font-size: var(--text-xs); font-weight: 600; color: var(--color-text-muted);
  padding: 0.3rem 0.55rem; border-radius: var(--radius-full); line-height: 1; min-width: 2rem;
}
.lang-switch button:hover { color: var(--color-primary); }
.lang-switch button.is-active { background: var(--color-primary); color: #fff; }

.nav-toggle {
  display: none; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: var(--radius-md); color: var(--color-text);
}

/* ---------- Hero ---------- */
.hero { padding-block: clamp(var(--space-16), 7vw, var(--space-24)); }
.hero-grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}
.hero-copy { max-width: 36ch; }
.hero h1 { font-size: var(--text-2xl); letter-spacing: -0.02em; }
.hero .lead { color: var(--color-text-muted); font-size: var(--text-lg); margin-top: var(--space-5); max-width: 42ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-8); }
.hero-trust {
  display: flex; align-items: center; gap: var(--space-2);
  margin-top: var(--space-6); color: var(--color-text-muted); font-size: var(--text-sm);
}
.hero-trust svg { color: var(--color-primary); flex-shrink: 0; }
.hero-media {
  position: relative; border-radius: var(--radius-xl); overflow: hidden;
  box-shadow: var(--shadow-lg); border: 1px solid var(--color-border);
}
.hero-media img { width: 100%; aspect-ratio: 16 / 11; object-fit: cover; }

/* ---------- About ---------- */
.about { background: var(--color-surface); border-block: 1px solid var(--color-divider); }
.about-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(var(--space-8), 5vw, var(--space-16)); align-items: center; }
.about-media { border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-md); border: 1px solid var(--color-border); }
.about-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.about h2 { font-size: var(--text-xl); }
.about-body { color: var(--color-text-muted); margin-top: var(--space-4); }
.trust-points { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); margin-top: var(--space-8); }
.trust-points li { display: flex; gap: var(--space-3); }
.trust-points .tp-icon { color: var(--color-primary); flex-shrink: 0; margin-top: 2px; }
.trust-points h3 { font-size: var(--text-base); font-family: var(--font-body); font-weight: 600; }
.trust-points p { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: 2px; }

/* ---------- Services ---------- */
.services-grid {
  display: grid; gap: var(--space-5);
  grid-template-columns: repeat(2, 1fr);
}
.service-card {
  background: var(--color-surface-2); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: clamp(var(--space-6), 3vw, var(--space-8));
  display: flex; flex-direction: column; gap: var(--space-3);
}
.service-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.service-card .s-icon {
  color: var(--color-primary); width: 32px; height: 32px; margin-bottom: var(--space-2);
}
.service-card h3 { font-size: var(--text-lg); }
.service-card p { color: var(--color-text-muted); font-size: var(--text-sm); }
/* feature the premium card full-width to break the uniform grid */
.service-card--feature { grid-column: 1 / -1; flex-direction: row; align-items: flex-start; gap: var(--space-6); background: var(--color-primary-faint); border-color: var(--color-primary-soft); }
.service-card--feature .s-icon { margin-bottom: 0; }
.service-card--feature .s-body { flex: 1; }
.service-card--feature p { max-width: 70ch; }

/* ---------- Pricing ---------- */
.pricing { background: var(--color-surface); border-block: 1px solid var(--color-divider); }
.pricing-grid { display: grid; gap: var(--space-5); grid-template-columns: repeat(4, 1fr); align-items: start; }
.price-card {
  background: var(--color-surface-2); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-6);
  display: flex; flex-direction: column; gap: var(--space-4); height: 100%;
}
.price-card--featured { border-color: var(--color-primary); box-shadow: var(--shadow-md); position: relative; }
.price-badge {
  position: absolute; top: -0.75rem; left: var(--space-6);
  background: var(--color-primary); color: #fff; font-size: var(--text-xs); font-weight: 600;
  padding: 0.3rem 0.7rem; border-radius: var(--radius-full);
}
.price-card h3 { font-size: var(--text-lg); }
.price-card .price-desc { color: var(--color-text-muted); font-size: var(--text-sm); }
.price-amount { display: flex; align-items: baseline; gap: var(--space-2); }
.price-amount .on-request { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; color: var(--color-primary); }
.price-features { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.price-features li { display: flex; gap: var(--space-2); font-size: var(--text-sm); color: var(--color-text-muted); }
.price-features svg { color: var(--color-primary); flex-shrink: 0; margin-top: 3px; }
.price-cta-area { margin-top: auto; padding-top: var(--space-2); }
.btn--block { display: flex; width: 100%; justify-content: center; }

/* ---------- Booking ---------- */
.booking-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(var(--space-8), 5vw, var(--space-16)); align-items: start; }
.steps { list-style: none; counter-reset: step; display: flex; flex-direction: column; gap: var(--space-6); }
.steps li { display: flex; gap: var(--space-4); }
.steps .step-num {
  flex-shrink: 0; width: 2.25rem; height: 2.25rem; border-radius: var(--radius-full);
  background: var(--color-primary); color: #fff; display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 600; font-size: var(--text-base);
}
.steps h3 { font-size: var(--text-base); font-family: var(--font-body); font-weight: 600; }
.steps p { color: var(--color-text-muted); font-size: var(--text-sm); margin-top: 2px; }

.booking-media { border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-md); border: 1px solid var(--color-border); margin-bottom: var(--space-6); }
.booking-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }

.booking-cta { margin-top: var(--space-8); }

.policy {
  margin-top: var(--space-8); background: var(--color-primary-faint);
  border: 1px solid var(--color-primary-soft); border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.policy h3 { font-size: var(--text-base); font-family: var(--font-body); font-weight: 600; display: flex; gap: var(--space-2); align-items: center; }
.policy h3 svg { color: var(--color-primary); }
.policy p { color: var(--color-text-muted); font-size: var(--text-sm); margin-top: var(--space-2); max-width: none; }

/* ---------- Contact ---------- */
.contact { background: var(--color-surface); border-block: 1px solid var(--color-divider); }
.contact-card {
  background: var(--color-surface-2); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: clamp(var(--space-6), 4vw, var(--space-10));
}
.contact h2 { font-size: var(--text-xl); }
.contact-body { color: var(--color-text-muted); margin-top: var(--space-4); }
.contact-email {
  display: inline-flex; align-items: center; gap: var(--space-3); margin-top: var(--space-6);
  font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600;
  color: var(--color-primary); text-decoration: none;
}
.contact-email svg { color: var(--color-primary); }
.contact-email:hover { color: var(--color-primary-hover); }
.contact-note { font-size: var(--text-sm); color: var(--color-text-faint); margin-top: var(--space-6); border-top: 1px solid var(--color-divider); padding-top: var(--space-4); }

/* ---------- Footer ---------- */
.site-footer { background: #11201f; color: #cdd6d5; padding-block: clamp(var(--space-12), 6vw, var(--space-20)); }
.footer-grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-8); }
.footer-brand { max-width: 34ch; }
.footer-brand .brand { color: #f6f4ee; }
.footer-brand .brand-name b { color: #6fc6cd; }
.footer-tagline { color: #94a3a2; font-size: var(--text-sm); margin-top: var(--space-4); }
.footer-meta { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-operated { font-size: var(--text-sm); color: #cdd6d5; }
.footer-operated a { color: #6fc6cd; text-decoration: none; font-weight: 600; }
.footer-operated a:hover { text-decoration: underline; }
.footer-links { display: flex; gap: var(--space-5); list-style: none; }
.footer-links a { color: #94a3a2; text-decoration: none; font-size: var(--text-sm); }
.footer-links a:hover { color: #f6f4ee; }
.footer-rights { color: #6c7a79; font-size: var(--text-xs); margin-top: var(--space-8); border-top: 1px solid rgba(255,255,255,0.08); padding-top: var(--space-5); }

/* ---------- Cookie banner ---------- */
.cookie-banner {
  position: fixed; right: var(--space-4); bottom: var(--space-4); left: auto; z-index: 150;
  max-width: 380px; margin-inline: 0;
  background: var(--color-surface-2); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  padding: var(--space-5); display: none;
}
.cookie-banner.is-visible { display: block; }
.cookie-banner p { font-size: var(--text-sm); color: var(--color-text-muted); max-width: none; }
.cookie-banner p a { color: var(--color-primary); }
.cookie-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-4); }
.cookie-actions .btn { padding: 0.6rem 1.1rem; }
.btn--small { font-size: var(--text-sm); }

/* ---------- Legal pages ---------- */
.legal-main { padding-block: clamp(var(--space-12), 6vw, var(--space-24)); }
.legal-main h1 { font-size: var(--text-xl); margin-bottom: var(--space-6); }
.legal-main h2 { font-size: var(--text-lg); margin-top: var(--space-10); margin-bottom: var(--space-3); }
.legal-main h3 { font-size: var(--text-base); font-family: var(--font-body); font-weight: 600; margin-top: var(--space-6); margin-bottom: var(--space-2); }
.legal-main p, .legal-main li { color: var(--color-text-muted); font-size: var(--text-base); margin-bottom: var(--space-3); }
.legal-main ul { padding-left: var(--space-6); }
.back-link { display: inline-flex; align-items: center; gap: var(--space-2); margin-bottom: var(--space-8); font-size: var(--text-sm); text-decoration: none; color: var(--color-primary); }
.back-link:hover { gap: var(--space-3); }

/* =============================================================
   Responsive — mobile-first collapse
   ============================================================= */
@media (max-width: 960px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .nav-links, .nav-cta-desktop { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-links.is-open {
    display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-2);
    position: absolute; left: 0; right: 0; top: var(--nav-h);
    background: var(--color-surface-2); border-bottom: 1px solid var(--color-border);
    padding: var(--space-5) clamp(var(--space-5), 5vw, var(--space-12)); box-shadow: var(--shadow-md);
  }
  .nav-links.is-open a { width: 100%; padding: var(--space-3) 0; font-size: var(--text-base); }
  .nav-links.is-open .nav-cta-mobile { display: inline-flex; margin-top: var(--space-2); }
  .nav-cta-mobile { display: none; }

  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
  .hero-copy, .hero .lead { max-width: 100%; }

  .about-grid { grid-template-columns: 1fr; }
  .about-media { order: -1; }

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

@media (max-width: 620px) {
  .cookie-banner { left: var(--space-3); right: var(--space-3); max-width: none; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card--feature { flex-direction: column; gap: var(--space-3); }
  .pricing-grid { grid-template-columns: 1fr; }
  .trust-points { grid-template-columns: 1fr; }
  .footer-grid { flex-direction: column; }
  .hero-actions .btn { flex: 1; }
  .cookie-actions .btn { flex: 1; }
}