/* =========================================================
   Aayra Solutions — Stylesheet
   ========================================================= */

/* -------------------- Design Tokens -------------------- */
:root {
  /* Colors */
  --color-navy-900: #0b1f3a;
  --color-navy-800: #142c52;
  --color-blue-600: #1d5fa8;
  --color-blue-500: #2b74c4;
  --color-teal-600: #157a8a;
  --color-teal-500: #1c93a6;
  --color-green-600: #2f8f4e;
  --color-green-500: #3fa65b;

  --color-bg: #fbfcfd;
  --color-surface: #ffffff;
  --color-border: #e2e7ee;
  --color-border-strong: #c9d2de;

  --color-text-primary: #16233b;
  --color-text-secondary: #4c5872;
  --color-text-muted: #6b7690;
  --color-on-dark: #f4f7fb;

  --color-focus-ring: #2b74c4;

  /* Typography */
  --font-display: "Sora", "Segoe UI", Arial, sans-serif;
  --font-body: "Inter", "Segoe UI", Arial, sans-serif;

  /* Spacing scale */
  --space-1: 0.4rem;
  --space-2: 0.8rem;
  --space-3: 1.2rem;
  --space-4: 1.6rem;
  --space-5: 2.4rem;
  --space-6: 3.2rem;
  --space-7: 4.8rem;
  --space-8: 6.4rem;

  /* Layout */
  --container-width: 1200px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(11, 31, 58, 0.06);
  --shadow-md: 0 6px 20px rgba(11, 31, 58, 0.08);
  --shadow-lg: 0 12px 32px rgba(11, 31, 58, 0.12);

  /* Motion */
  --transition-fast: 150ms ease;
  --transition-base: 220ms ease;
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
}

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

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

input,
textarea {
  font: inherit;
  color: inherit;
}

h1, h2, h3, h4, p, dl, dd, dt, figure {
  margin: 0;
}

/* -------------------- Base Typography -------------------- */
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-navy-900);
}

h1 {
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
}

h3 {
  font-size: 1.15rem;
}

p {
  color: var(--color-text-secondary);
}

small,
.text-small {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-teal-600);
  margin-bottom: var(--space-2);
}

/* -------------------- Accessibility Helpers -------------------- */
.skip-link {
  position: absolute;
  top: -48px;
  left: var(--space-3);
  background: var(--color-navy-900);
  color: var(--color-on-dark);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-3);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-focus-ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

@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;
  }
}

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

section {
  padding-block: var(--space-7);
}

.section-heading {
  max-width: 680px;
  margin-bottom: var(--space-6);
}

.section-heading h2 {
  margin-top: var(--space-1);
}

.card-grid {
  display: grid;
  gap: var(--space-4);
}

/* -------------------- Buttons -------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  min-height: 48px;
  border: 1px solid transparent;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.btn-primary {
  background-color: var(--color-navy-900);
  color: var(--color-on-dark);
}

.btn-primary:hover {
  background-color: var(--color-blue-600);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-navy-900);
  border-color: var(--color-border-strong);
}

.btn-secondary:hover {
  border-color: var(--color-navy-900);
  background-color: var(--color-surface);
}

/* -------------------- Header -------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(251, 252, 253, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-2);
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand-logo {
  height: 40px;
  width: auto;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-strong);
  background-color: var(--color-surface);
}

.nav-toggle-bar {
  width: 20px;
  height: 2px;
  background-color: var(--color-navy-900);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.primary-nav {
  position: fixed;
  inset: 72px 0 0 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-5) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  overflow-y: auto;
}

.primary-nav.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.nav-link {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-navy-900);
  padding-block: var(--space-1);
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-blue-600);
  border-color: var(--color-blue-600);
}

.nav-cta {
  align-self: flex-start;
}

/* -------------------- Hero -------------------- */
.hero {
  padding-block: var(--space-7) var(--space-8);
  background-color: var(--color-bg);
}

.hero-inner {
  display: grid;
  gap: var(--space-6);
  align-items: center;
}

.hero-lead {
  margin-top: var(--space-4);
  max-width: 56ch;
  font-size: 1.05rem;
}

.hero-actions {
  margin-top: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

.hero-visual img {
  width: 100%;
  height: auto;
}

/* -------------------- About -------------------- */
.about {
  background-color: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.about-body {
  max-width: 760px;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.about-body p {
  font-size: 1.02rem;
}

/* -------------------- Cards (Services / Industries) -------------------- */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-strong);
}

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

.icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: #eaf2f8;
  color: var(--color-blue-600);
  margin-bottom: var(--space-3);
}

.service-card:nth-child(2) .icon-badge {
  background-color: #e6f4f4;
  color: var(--color-teal-600);
}

.service-card:nth-child(3) .icon-badge {
  background-color: #eaf6ec;
  color: var(--color-green-600);
}

.icon-badge svg {
  width: 26px;
  height: 26px;
}

.service-card h3,
.industry-card h3 {
  margin-bottom: var(--space-2);
}

.industries {
  background-color: var(--color-bg);
}

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

.industry-card {
  border-top: 3px solid var(--color-teal-500);
}

.industry-card:nth-child(1) { border-top-color: var(--color-navy-800); }
.industry-card:nth-child(2) { border-top-color: var(--color-blue-600); }
.industry-card:nth-child(3) { border-top-color: var(--color-teal-500); }
.industry-card:nth-child(4) { border-top-color: var(--color-teal-600); }
.industry-card:nth-child(5) { border-top-color: var(--color-green-500); }

/* -------------------- Why Us -------------------- */
.why-us {
  background-color: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.why-us-grid {
  grid-template-columns: 1fr;
}

.why-card {
  padding: var(--space-4) 0;
  border-top: 1px solid var(--color-border);
}

.why-card h3 {
  margin-bottom: var(--space-2);
  color: var(--color-navy-900);
}

.why-card p {
  font-size: 0.98rem;
}

/* -------------------- Contact -------------------- */
.contact {
  background-color: var(--color-bg);
}

.contact-lead {
  margin-top: var(--space-3);
  max-width: 60ch;
}

.contact-grid {
  display: grid;
  gap: var(--space-6);
}

.contact-details h3 {
  margin-bottom: var(--space-4);
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-item dt {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.contact-item dd a {
  color: var(--color-navy-900);
  font-weight: 500;
  border-bottom: 1px solid var(--color-border-strong);
}

.contact-item dd a:hover {
  color: var(--color-blue-600);
  border-color: var(--color-blue-600);
}

.contact-form {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-row label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-navy-900);
}

.form-row input,
.form-row textarea {
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.9rem;
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.form-row input:hover,
.form-row textarea:hover {
  border-color: var(--color-text-muted);
}

.form-row input:focus-visible,
.form-row textarea:focus-visible {
  background-color: var(--color-surface);
  border-color: var(--color-blue-600);
}

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

.form-submit {
  align-self: flex-start;
  margin-top: var(--space-1);
}

.form-thanks {
  color: var(--color-green-600);
  font-weight: 500;
}

.contact-form.is-invalid .form-row input:invalid,
.contact-form.is-invalid .form-row textarea:invalid {
  border-color: #c53030;
  background-color: #fff5f5;
}

/* -------------------- Careers -------------------- */
.careers {
  background-color: var(--color-bg);
  padding-block: var(--space-8);
}

.careers-lead {
  margin-top: var(--space-3);
  max-width: 70ch;
}

.job-posting {
  margin-top: var(--space-6);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.job-posting img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

.job-posting-caption {
  margin-top: var(--space-3);
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  text-align: center;
}

.job-posting-caption a {
  color: var(--color-blue-600);
  font-weight: 500;
  border-bottom: 1px solid var(--color-border-strong);
}

.job-posting-caption a:hover {
  color: var(--color-navy-900);
  border-color: var(--color-navy-900);
}

/* -------------------- Footer -------------------- */
.site-footer {
  background-color: var(--color-navy-900);
  color: var(--color-on-dark);
  padding-block: var(--space-6);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-on-dark);
}

.footer-tagline {
  color: #c3cde0;
  margin-top: var(--space-1);
  font-size: 0.92rem;
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-nav a {
  color: #d7deec;
  font-size: 0.92rem;
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--color-on-dark);
}

.footer-copyright {
  color: #94a1bd;
  font-size: 0.85rem;
  border-top: 1px solid rgba(244, 247, 251, 0.12);
  padding-top: var(--space-4);
}

/* =========================================================
   Responsive: Tablet (>= 768px)
   ========================================================= */
@media (min-width: 768px) {
  section {
    padding-block: var(--space-8);
  }

  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .industries-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .why-us-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr 1.1fr;
    align-items: start;
  }

  .footer-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .footer-copyright {
    border-top: none;
    padding-top: 0;
    width: 100%;
    order: 3;
    border-top: 1px solid rgba(244, 247, 251, 0.12);
    margin-top: var(--space-4);
    padding-top: var(--space-4);
  }
}

/* =========================================================
   Responsive: Desktop (>= 1024px)
   ========================================================= */
@media (min-width: 1024px) {
  .header-inner {
    padding-block: var(--space-3);
  }

  .nav-toggle {
    display: none;
  }

  .primary-nav {
    position: static;
    inset: auto;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    background-color: transparent;
    border-top: none;
    padding: 0;
    flex-direction: row;
    align-items: center;
    gap: var(--space-6);
    overflow: visible;
  }

  .nav-list {
    flex-direction: row;
    gap: var(--space-5);
  }

  .nav-link {
    font-size: 0.98rem;
  }

  .nav-cta {
    align-self: auto;
  }

  .hero-inner {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-7);
  }

  .industries-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .why-us-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .why-card {
    padding-block: 0;
    border-top: none;
    border-left: 1px solid var(--color-border);
    padding-left: var(--space-4);
  }

  .why-card:first-child {
    border-left: none;
    padding-left: 0;
  }
}

/* =========================================================
   Responsive: Large Desktop (>= 1280px)
   ========================================================= */
@media (min-width: 1280px) {
  .container {
    padding-inline: var(--space-5);
  }

  .hero-lead {
    font-size: 1.1rem;
  }
}