/* ==========================================================================
   Ideas Premium Solutions, Inc. — Corporate Website Stylesheet
   Static, dependency-free CSS. All brand colors are CSS custom properties.
   ========================================================================== */

:root {
  /* Brand colors — sourced from the official Ideas Premium Solutions logo
     (gray + lime-green wordmark). Swap these values to restyle the site. */
  --brand-primary: #1C1D1F;       /* near-black charcoal — headings, nav */
  --brand-secondary: #7D7E82;     /* logo gray — muted text, dividers */
  --brand-accent: #C7D93B;        /* logo lime-green — CTAs, highlights */
  --brand-accent-dark: #5F6A15;   /* darkened accent — accessible text/icons on light bg (5.6:1 on white) */

  --text-primary: #1C1D1F;
  --text-secondary: #55565B;
  --text-on-dark: #F3F3F0;
  --text-on-dark-secondary: #B7B8B4;

  --background: #FAFAF8;          /* off-white */
  --background-secondary: #F1F1EE;
  --background-dark: #1C1D1F;

  --border: #E1E1DD;
  --border-dark: #333335;

  --focus-ring: #1C1D1F;

  --radius: 4px;
  --max-width: 1200px;

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

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4.5rem;
  --space-7: 7rem;
}

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--background);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
}

button {
  font-family: inherit;
}

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

h1, h2, h3, p {
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* Visible keyboard focus */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--brand-primary);
  color: var(--text-on-dark);
  padding: var(--space-1) var(--space-2);
  z-index: 200;
  border-radius: 0 0 var(--radius) 0;
}

.skip-link:focus {
  left: 0;
}

/* ---------- Layout helpers ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.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;
}

section {
  padding: var(--space-6) 0;
}

.section-header {
  max-width: 640px;
  margin-bottom: var(--space-5);
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-accent-dark);
  margin-bottom: var(--space-2);
}

h2 {
  font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.35rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--brand-primary);
}

.section-lead {
  margin-top: var(--space-2);
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 56ch;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: #b7c92e;
}

.btn-outline {
  background: transparent;
  color: var(--brand-primary);
  border-color: var(--border);
}

.btn-outline:hover {
  border-color: var(--brand-primary);
}

.btn-outline-light {
  background: transparent;
  color: var(--text-on-dark);
  border-color: var(--border-dark);
}

.btn-outline-light:hover {
  border-color: var(--text-on-dark);
}

.btn-external-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: saturate(150%) blur(8px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--brand-primary);
}

.brand img {
  height: 46px;
  width: auto;
}

.brand-wordmark {
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-desktop a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease;
}

.nav-desktop a:hover {
  border-bottom-color: var(--brand-accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.nav-toggle svg {
  width: 20px;
  height: 20px;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  border-top: 1px solid var(--border);
  background: var(--background);
}

.nav-mobile.is-open {
  display: flex;
}

.nav-mobile a {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--border);
}

@media (max-width: 767px) {
  .nav-desktop {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  padding: var(--space-7) 0 var(--space-6);
  overflow: hidden;
  background: var(--background);
}

.hero .container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 420px);
  gap: var(--space-5);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-accent-dark);
  margin-bottom: var(--space-3);
}

.hero h1 {
  font-size: clamp(2.1rem, 1.5rem + 3vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.08;
  color: var(--brand-primary);
  max-width: 15ch;
}

.hero-lead {
  margin-top: var(--space-3);
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 46ch;
}

.hero-sub {
  margin-top: var(--space-2);
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 46ch;
}

.hero-actions {
  margin-top: var(--space-4);
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.hero-visual {
  width: 100%;
  height: auto;
  color: var(--brand-secondary);
}

.hero-visual .node-fill {
  fill: var(--brand-accent);
}

.hero-visual .node-line {
  stroke: var(--brand-secondary);
  stroke-opacity: 0.5;
}

.hero-visual .node-dot {
  fill: var(--brand-primary);
  opacity: 0.7;
}

@media (max-width: 900px) {
  .hero .container {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    max-width: 320px;
    margin: 0 auto;
    order: -1;
  }
}

/* ==========================================================================
   About
   ========================================================================== */
.about {
  background: var(--background);
  border-top: 1px solid var(--border);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 640px);
  gap: var(--space-3);
}

.about p + p {
  margin-top: var(--space-3);
}

.about p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 68ch;
}

/* ==========================================================================
   Solutions
   ========================================================================== */
.solutions {
  background: var(--background-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

@media (max-width: 900px) {
  .solutions-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.product-card {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
}

.product-card-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem var(--space-2);
}

.product-name {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--brand-primary);
  letter-spacing: -0.01em;
}

.product-category {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand-primary);
  background: var(--brand-accent);
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  white-space: nowrap;
}

.product-description {
  margin-top: var(--space-2);
  color: var(--text-secondary);
  font-size: 1rem;
}

.product-capabilities {
  margin-top: var(--space-3);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem 1rem;
}

.product-capabilities li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.product-capabilities li svg {
  width: 14px;
  height: 14px;
  margin-top: 0.2rem;
  flex-shrink: 0;
  color: var(--brand-accent-dark);
}

.product-note {
  margin-top: var(--space-3);
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
  padding-top: var(--space-2);
}

.product-card-footer {
  margin-top: var(--space-4);
}

@media (max-width: 480px) {
  .product-capabilities {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Corporate value / pillars
   ========================================================================== */
.value {
  background: var(--background);
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
}

@media (max-width: 900px) {
  .pillars {
    grid-template-columns: 1fr;
  }
}

.pillar {
  padding: var(--space-3);
  border-top: 2px solid var(--brand-accent);
}

.pillar-icon {
  width: 30px;
  height: 30px;
  color: var(--brand-primary);
  margin-bottom: var(--space-2);
}

.pillar h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--brand-primary);
}

.pillar p {
  margin-top: 0.5rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Clients
   ========================================================================== */
.clients {
  background: var(--background-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.clients .section-header {
  max-width: 760px;
}

.clients p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 74ch;
}

.clients p + p {
  margin-top: var(--space-2);
}

.clients p strong {
  color: var(--text-primary);
  font-weight: 600;
}

.client-logos {
  margin-top: var(--space-5);
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-3);
  align-items: center;
}

.client-logo {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2);
}

.client-logo img {
  max-height: 42px;
  max-width: 100%;
  width: auto;
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.75;
  transition: filter 0.2s ease, opacity 0.2s ease;
}

.client-logo:hover img {
  filter: grayscale(0);
  opacity: 1;
}

@media (max-width: 900px) {
  .client-logos {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .client-logos {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .client-logo {
    height: 80px;
  }
  .client-logo img {
    max-height: 34px;
  }
}

/* ==========================================================================
   Contact
   ========================================================================== */
.contact {
  background: var(--brand-primary);
  color: var(--text-on-dark);
}

.contact .eyebrow {
  color: var(--brand-accent);
}

.contact h2 {
  color: var(--text-on-dark);
}

.contact .section-lead {
  color: var(--text-on-dark-secondary);
}

.contact-actions {
  margin-top: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.contact-details {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-dark);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

@media (max-width: 700px) {
  .contact-details {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
}

.contact-detail-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand-accent);
}

.contact-detail-value {
  margin-top: 0.5rem;
  font-size: 1rem;
  color: var(--text-on-dark);
  line-height: 1.5;
}

.contact-detail-value a {
  color: var(--text-on-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-detail-value a:hover {
  color: var(--brand-accent);
}

.contact-email {
  margin-top: var(--space-3);
  font-size: 0.95rem;
  color: var(--text-on-dark-secondary);
}

.contact-email a {
  color: var(--text-on-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--brand-primary);
  color: var(--text-on-dark-secondary);
  border-top: 1px solid var(--border-dark);
  padding: var(--space-4) 0;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3);
}

.footer-brand {
  font-weight: 700;
  color: var(--text-on-dark);
  font-size: 1rem;
}

.footer-descriptor {
  margin-top: 0.35rem;
  font-size: 0.85rem;
  color: var(--text-on-dark-secondary);
}

.footer-links {
  display: flex;
  gap: var(--space-3);
}

.footer-links a {
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--text-on-dark-secondary);
  border-bottom: 1px solid transparent;
}

.footer-links a:hover {
  color: var(--text-on-dark);
  border-bottom-color: var(--brand-accent);
}

.footer-bottom {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-dark);
  font-size: 0.8rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
}

/* ==========================================================================
   404 page
   ========================================================================== */
.not-found {
  min-height: calc(100vh - 84px);
  display: flex;
  align-items: center;
}

.not-found .container {
  text-align: left;
}

.not-found-code {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-accent-dark);
}

.not-found h1 {
  margin-top: var(--space-2);
  font-size: clamp(1.8rem, 1.4rem + 2vw, 2.6rem);
  color: var(--brand-primary);
}

.not-found p {
  margin-top: var(--space-2);
  color: var(--text-secondary);
  max-width: 50ch;
}

.not-found .btn {
  margin-top: var(--space-4);
}

/* ==========================================================================
   Legal pages (Privacy Policy / Terms of Use)
   ========================================================================== */
.legal-hero {
  padding: var(--space-5) 0 var(--space-4);
  border-bottom: 1px solid var(--border);
}

.legal-hero h1 {
  font-size: clamp(1.8rem, 1.4rem + 2vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--brand-primary);
}

.legal-hero p {
  margin-top: var(--space-2);
  color: var(--text-secondary);
  max-width: 60ch;
}

.legal-lang-switch {
  margin-top: var(--space-3);
  display: flex;
  gap: var(--space-2);
}

.legal-lang-switch a {
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--brand-primary);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
}

.legal-lang-switch a:hover {
  border-color: var(--brand-accent-dark);
  color: var(--brand-accent-dark);
}

.legal-body {
  padding: var(--space-5) 0 var(--space-7);
}

.legal-content {
  max-width: 760px;
}

.legal-content h2 {
  font-size: 1.3rem;
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
  color: var(--brand-primary);
  scroll-margin-top: 100px;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-top: var(--space-4);
  margin-bottom: var(--space-1);
  color: var(--brand-primary);
}

.legal-content p {
  margin-top: var(--space-2);
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.65;
}

.legal-content p:first-of-type {
  margin-top: 0;
}

.legal-content ul {
  margin-top: var(--space-2);
  padding-left: 1.2rem;
  list-style: disc;
}

.legal-content li {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.6;
  margin-top: 0.5rem;
}

.legal-content li strong {
  color: var(--text-primary);
}

.legal-content strong {
  color: var(--text-primary);
}

.legal-content em {
  color: var(--text-secondary);
}

.legal-divider {
  margin: var(--space-6) 0;
  border: 0;
  border-top: 2px solid var(--brand-accent);
}

.legal-lang-heading {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-accent-dark);
  margin-bottom: var(--space-2);
}

.back-to-top {
  display: inline-flex;
  margin-top: var(--space-5);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--brand-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--brand-accent);
}