/* ==========================================================================
   Spinne Secure — Design Tokens
   ========================================================================== */
:root {
  /* Brand colors (Spinne Secure corporate palette) */
  --navy: #002C64;
  --blue: #007DC6;
  --blue-text: #0072B8; /* darkened brand blue — #007DC6 on white is 4.42:1, just under WCAG AA 4.5:1 */
  --blue-light: #4DB8E8;
  --ice: #E8F4FA;
  --white: #FFFFFF;

  /* Semantic tokens */
  --color-bg: var(--white);
  --color-bg-alt: var(--ice);
  --color-text: #0B1E38;
  --color-text-muted: #4C5F78;
  --color-border: #DCE7F1;
  --color-accent: var(--blue-text);
  --color-accent-hover: var(--navy);
  --color-focus-ring: var(--blue);

  /* Typography */
  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing scale (8px rhythm, spacious for a minimal marketing page) */
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4rem;
  --space-8: 6rem;
  --space-9: 8rem;

  /* Layout */
  --container-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-base: 250ms;

  /* Elevation (subtle — Trust & Authority style avoids heavy shadows) */
  --shadow-sm: 0 1px 2px rgba(0, 44, 100, 0.06);
  --shadow-md: 0 12px 32px rgba(0, 44, 100, 0.08);

  /* Header height (used to offset anchor scrolling) */
  --header-height: 76px;
}

/* ==========================================================================
   Reset
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img, picture, svg { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--navy);
  line-height: 1.15;
  font-weight: 700;
  text-wrap: balance;
}

p { text-wrap: pretty; }

:focus-visible {
  outline: 3px solid var(--color-focus-ring);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: var(--space-3);
  top: -100px;
  background: var(--navy);
  color: var(--white);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--duration-base) var(--ease-out);
}
.skip-link:focus { top: var(--space-3); }

/* ==========================================================================
   Layout helpers
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

section { padding-block: var(--space-8); }
.section-alt { background: var(--color-bg-alt); }

.section-head {
  max-width: 46rem;
  margin-bottom: var(--space-6);
}
.section-head.center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-text);
  margin-bottom: var(--space-2);
}

.section-head h2 {
  font-size: clamp(1.75rem, 1.4rem + 1.4vw, 2.5rem);
  margin-bottom: var(--space-3);
}

.section-head p {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.9rem 1.75rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  min-height: 48px;
  touch-action: manipulation;
  transition: background-color var(--duration-base) var(--ease-out),
              color var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-primary {
  background: var(--blue-text);
  color: var(--white);
}
.btn-primary:hover { background: var(--navy); }

.btn-secondary {
  background: transparent;
  border-color: var(--color-border);
  color: var(--navy);
}
.btn-secondary:hover { background: var(--ice); border-color: var(--blue-light); }

.btn-ghost {
  background: transparent;
  color: var(--navy);
}
.btn-ghost:hover { background: var(--ice); }

.btn-on-dark {
  background: var(--white);
  color: var(--navy);
}
.btn-on-dark:hover { background: var(--ice); }

.icon {
  width: 1.1em;
  height: 1.1em;
  flex-shrink: 0;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.brand-mark { width: 40px; height: 40px; border-radius: 10px; }
.brand-word {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.brand-word .accent { color: var(--blue-text); font-weight: 600; }

.main-nav {
  display: none;
}
.main-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}
.main-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  padding: var(--space-1) 0;
  border-bottom: 2px solid transparent;
  transition: color var(--duration-base) var(--ease-out), border-color var(--duration-base) var(--ease-out);
}
.main-nav a:hover { color: var(--blue-text); border-color: var(--blue-light); }

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

.lang-toggle {
  display: inline-flex;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 3px;
  gap: 2px;
}
.lang-toggle button {
  border: none;
  background: transparent;
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--color-text-muted);
  cursor: pointer;
  min-width: 40px;
  min-height: 32px;
  transition: background-color var(--duration-base) var(--ease-out), color var(--duration-base) var(--ease-out);
}
.lang-toggle button[aria-pressed="true"] {
  background: var(--navy);
  color: var(--white);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--white);
  cursor: pointer;
}

.header-cta { display: none; }

@media (min-width: 640px) {
  .header-cta { display: inline-flex; }
}

@media (min-width: 1024px) {
  .main-nav { display: block; }
  .nav-toggle { display: none; }
}

/* Mobile nav panel */
.mobile-nav {
  position: fixed;
  inset: var(--header-height) 0 0 0;
  background: var(--white);
  z-index: 90;
  padding: var(--space-5) var(--space-4);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out);
}
.mobile-nav.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.mobile-nav ul { display: flex; flex-direction: column; gap: var(--space-1); }
.mobile-nav a {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.25rem;
  padding: var(--space-3) var(--space-2);
  border-bottom: 1px solid var(--color-border);
}
.mobile-nav .btn { margin-top: var(--space-4); width: 100%; }

@media (min-width: 1024px) {
  .mobile-nav { display: none; }
}

/* ==========================================================================
   Hero (single permitted animation lives here)
   ========================================================================== */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: var(--space-9) var(--space-8);
  background: linear-gradient(180deg, var(--ice) 0%, var(--white) 72%);
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.55;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  align-items: center;
}

.hero-inner {
  max-width: 44rem;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-mark {
  width: clamp(150px, 20vw, 260px);
  max-width: 260px;
  height: auto;
  filter: drop-shadow(0 14px 26px rgba(0, 44, 100, 0.22));
  animation: hero-mark-float 8s ease-in-out infinite;
  animation-delay: 1.6s;
}

.hero-mark-threads .t {
  stroke-dasharray: 40;
  stroke-dashoffset: 40;
  animation: hero-mark-draw 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.hero-mark-threads .t1 { animation-delay: 0.05s; }
.hero-mark-threads .t2 { animation-delay: 0.12s; }
.hero-mark-threads .t3 { animation-delay: 0.19s; }
.hero-mark-threads .t4 { animation-delay: 0.26s; }
.hero-mark-threads .t5 { animation-delay: 0.33s; }
.hero-mark-threads .t6 { animation-delay: 0.40s; }
.hero-mark-threads .t7 { animation-delay: 0.47s; }
.hero-mark-threads .t8 { animation-delay: 0.54s; }
.hero-mark-threads .t9 { animation-delay: 0.61s; }

.hero-mark-node {
  transform-origin: 68px 32px;
  animation: hero-mark-node-in 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.55s backwards;
}

.hero-mark-pulse {
  transform-origin: 68px 32px;
  opacity: 0;
  animation: hero-mark-pulse 2.6s ease-out infinite;
  animation-delay: 1.4s;
}

@keyframes hero-mark-draw {
  to { stroke-dashoffset: 0; }
}

@keyframes hero-mark-node-in {
  from { transform: scale(0); }
  to { transform: scale(1); }
}

@keyframes hero-mark-pulse {
  0%   { stroke-width: 2; opacity: 0.55; transform: scale(1); }
  100% { stroke-width: 0; opacity: 0;    transform: scale(2.8); }
}

@keyframes hero-mark-float {
  0%   { transform: translate(0, 0) rotate(0deg) scale(1); }
  25%  { transform: translate(10px, -8px) rotate(2deg) scale(1.015); }
  50%  { transform: translate(16px, 2px) rotate(0deg) scale(1); }
  75%  { transform: translate(6px, 8px) rotate(-1.5deg) scale(1.01); }
  100% { transform: translate(0, 0) rotate(0deg) scale(1); }
}

@media (min-width: 760px) {
  .hero-grid { grid-template-columns: 1.15fr 0.85fr; gap: var(--space-6); }
  .hero-visual { justify-content: flex-end; }
  .hero-mark { width: min(260px, 26vw); }
}

.hero h1 {
  font-size: clamp(2.25rem, 1.7rem + 2.6vw, 3.75rem);
  margin-bottom: var(--space-4);
}

.hero-lede {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 38rem;
  margin-bottom: var(--space-5);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--navy);
  background: var(--white);
  border: 1px solid var(--color-border);
  padding: 0.45rem 0.8rem;
  border-radius: var(--radius-pill);
}
.hero-badge .icon { width: 1em; height: 1em; color: var(--blue); }

/* ==========================================================================
   Trust strip
   ========================================================================== */
.trust-strip {
  padding-block: var(--space-6);
  border-block: 1px solid var(--color-border);
}
.trust-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(2, 1fr);
}
.trust-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--navy);
}
.trust-item .icon { width: 1.35em; height: 1.35em; color: var(--blue); margin-top: 0.1em; }

@media (min-width: 768px) {
  .trust-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ==========================================================================
   Cards grid (services / process / why-us)
   ========================================================================== */
.grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.card {
  background: var(--white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: box-shadow var(--duration-base) var(--ease-out), border-color var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out);
}
.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--blue-light);
  transform: translateY(-2px);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--ice);
  color: var(--blue);
  margin-bottom: var(--space-3);
}
.card-icon .icon { width: 26px; height: 26px; }

.card h3 {
  font-size: 1.1875rem;
  margin-bottom: var(--space-2);
}

.card p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.card-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--blue-text);
  background: var(--ice);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-3);
}

/* Product cards (services) — richer layout: subtitle, intro, checklist, meta badge */
.card-product { text-align: left; }

.card-subtitle {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.card-intro {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: var(--space-4);
}

.check-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.check-list li {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.55;
}
.check-list li .icon {
  width: 1.2em;
  height: 1.2em;
  color: var(--blue-text);
  flex-shrink: 0;
  margin-top: 0.2em;
}
.check-list strong {
  color: var(--navy);
  font-family: var(--font-heading);
  font-weight: 600;
}

.card-meta {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  margin-top: var(--space-4);
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--navy);
  background: var(--ice);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-pill);
}
.card-meta .icon { width: 1em; height: 1em; color: var(--blue-text); }

/* Process steps */
.step {
  position: relative;
  padding-left: 0;
}
.step-number {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.75rem;
  color: var(--blue-text);
  margin-bottom: var(--space-2);
}
.step h3 { font-size: 1.0625rem; margin-bottom: var(--space-1); }
.step p { color: var(--color-text-muted); font-size: 0.9375rem; }

/* Per-product phase tracks — two columns, correlating with the services cards above */
.phase-columns { align-items: stretch; }

.phase-track {
  background: var(--white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}
.phase-track-head { margin-bottom: var(--space-4); }
.phase-track-head h3 { font-size: 1.25rem; margin-top: var(--space-2); }

.phase-steps { display: flex; flex-direction: column; }
.phase-steps .step {
  padding-block: var(--space-4);
  border-top: 1px solid var(--color-border);
}
.phase-steps .step:first-child {
  padding-top: 0;
  border-top: none;
}

/* ==========================================================================
   CTA banner
   ========================================================================== */
.cta-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue-text) 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-7) var(--space-5);
  text-align: center;
  color: var(--white);
}
.cta-banner h2 { color: var(--white); margin-bottom: var(--space-2); }
.cta-banner p { color: var(--ice); max-width: 34rem; margin-inline: auto; margin-top: 0; margin-bottom: var(--space-5); }
.cta-banner .btn-primary { background: var(--white); color: var(--navy); }
.cta-banner .btn-primary:hover { background: var(--ice); }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-layout {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .contact-layout { grid-template-columns: 0.9fr 1.1fr; align-items: stretch; }
}

.contact-info {
  background: var(--white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-info-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}
.contact-info-item:first-child { padding-top: 0; }
.contact-info-item:last-child { border-bottom: none; }
.contact-info-item .icon { width: 22px; height: 22px; color: var(--blue); margin-top: 0.15em; }
.contact-info-item strong { display: block; font-family: var(--font-heading); font-size: 0.9375rem; }
.contact-info-item span { color: var(--color-text-muted); font-size: 0.9375rem; }

.form-card {
  background: var(--white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

.form-row { margin-bottom: var(--space-4); }
.form-row label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: var(--space-1);
  color: var(--navy);
}
.form-row .required { color: var(--blue-text); }
.form-row input,
.form-row textarea {
  width: 100%;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  font-size: 1rem;
  min-height: 48px;
  background: var(--white);
  transition: border-color var(--duration-base) var(--ease-out);
}
.form-row textarea { min-height: 120px; resize: vertical; }
.form-row input:focus, .form-row textarea:focus {
  border-color: var(--blue);
}
.form-note {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: var(--space-3);
}
.form-note a { color: var(--blue-text); font-weight: 600; }

.form-status {
  margin-top: var(--space-3);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--navy);
  display: none;
}
.form-status.is-visible { display: block; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.85);
  padding-block: var(--space-7) var(--space-5);
}
.footer-top {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
  padding-bottom: var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
@media (min-width: 768px) {
  .footer-top { grid-template-columns: 1.2fr 1fr 1fr; }
}
.footer-brand .brand-word { color: var(--white); }
.footer-brand p { margin-top: var(--space-2); color: rgba(255,255,255,0.65); max-width: 26rem; font-size: 0.9375rem; }

.footer-col h4 {
  color: var(--white);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col a, .footer-col span {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9375rem;
}
.footer-col a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-5);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.55);
}

/* ==========================================================================
   Utilities
   ========================================================================== */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

html:not([lang="en"]) [data-i18n-lang="en"] { display: none; }
html[lang="en"] [data-i18n-lang="es"] { display: none; }