/* =========================================================
   LINQFLO — Main Stylesheet
   Fonts: Poppins (display/headings), Montserrat (body)
   ========================================================= */

/* -----------------------------
   1. CSS Variables (brand tokens)
   ----------------------------- */
:root {
  /* Colors */
  --color-navy: #203351;
  --color-navy-light: #2c4468;
  --color-bg-pale: #e9eae6;
  --color-white: #ffffff;
  --color-text-dark: #ffffff;
  --color-text-muted: #6b7280;
  --color-accent-teal: #2a9d9f;
  --color-card-overlay: rgba(11, 36, 66, 0.72);
  --color-card-overlay-hover: rgba(11, 36, 66, 0.88);
  --color-border-light: rgba(0, 0, 0, 0.08);
  --hero-text: #ffffff;
  --hero-muted: rgba(255, 255, 255, 0.82);

  /* Typography */
  --font-display: 'Poppins', 'Montserrat', 'Segoe UI', Arial, sans-serif;
  --font-body: 'Montserrat', 'Poppins', 'Segoe UI', Arial, sans-serif;

  /* Spacing scale */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 80px;
  --space-hero-padding: 120px;

  /* Radii */
  --radius-card: 28px;
  --radius-input: 2px;
  --radius-btn: 6px;

  /* Layout */
  --max-width: 1280px;
  --header-height: 84px;
}

/* -----------------------------
   2. Reset & base
   ----------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-navy);
  background: var(--color-bg-pale);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  margin: 0;
  font-weight: 600;
}

button {
  font-family: var(--font-body);
  cursor: pointer;
}

.container {
  width: min(var(--max-width), calc(100% - 2 * var(--space-lg)));
  margin: 0 auto;
}

/* Visible focus states for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-accent-teal);
  outline-offset: 2px;
}

@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;
  }
}

/* -----------------------------
   3. Header / Navigation
   ----------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border-light);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo img {
  height: 64px;
  width: auto;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: var(--space-lg);
  margin: 0;
  padding: 0;
}

.main-nav a {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-navy);
  padding: var(--space-xs) 2px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.main-nav a:hover,
.main-nav a.active {
  border-bottom-color: var(--color-accent-teal);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
}

.nav-toggle .bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-navy);
  margin: 5px 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* -----------------------------
   4. Hero Section
   ----------------------------- */
.hero {
  position: relative;
  min-height: 50vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--hero-text);
  background:
    linear-gradient(90deg, rgba(5,18,35,0.88) 0%, rgba(5,18,35,0.62) 28%, rgba(5,18,35,0.12) 55%, rgba(5,18,35,0.02) 100%),
    url("../assets/images/hero.webp") center center / cover no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 50%, rgba(255,255,255,0.03) 0%, transparent 35%),
    linear-gradient(180deg, rgba(255,255,255,0.02), rgba(0,0,0,0.08));
  pointer-events: none;
}

.hero-content {
  max-width: 560px;
  padding: 5rem 0;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 3vw, 3.8rem);
  line-height: 0.98;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 1.25rem;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.35vw, 1.25rem);
  line-height: 1.55;
  color: var(--hero-muted);
  margin: 0;
  max-width: 48ch;
}

/* Page hero variant used on About / Contact pages */
.page-hero {
  min-height: 32vh;
}
.page-hero .hero-content {
  padding: 3.5rem 0;
}

@media (max-width: 768px) {
  .hero {
    min-height: 60vh;
    background-position: center center;
  }
  .hero-content {
    max-width: 100%;
    padding: 3rem 0;
  }
  .hero-title {
    font-size: clamp(2rem, 10vw, 3rem);
  }
  .hero-subtitle {
    font-size: 1rem;
  }
}

/* -----------------------------
   5. Services / Cards section
   ----------------------------- */
.services {
  padding: var(--space-xl) 8px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 20px;
}

.service-card {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  aspect-ratio: 4 / 4.3;
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
  background: #0b2744;
  transition: transform .28s ease, box-shadow .28s ease;
}

.service-card:hover,
.service-card:focus-within {
  transform: translateY(-6px);
  box-shadow: 0 18px 32px rgba(0,0,0,0.16);
}

.service-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.card-panel {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 18px 16px 20px;
  background: linear-gradient(180deg, rgba(11,36,66,0) 0%, rgba(11,36,66,0.55) 30%, rgba(11,36,66,0.94) 68%, rgba(11,36,66,0.98) 100%);
  color: var(--color-white);
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.service-card:hover .card-panel,
.service-card:focus-within .card-panel {
  background: linear-gradient(180deg, rgba(11,36,66,0.1) 0%, rgba(11,36,66,0.7) 30%, rgba(11,36,66,0.97) 68%, rgba(11,36,66,1) 100%);
}

.card-panel h3 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.25;
}

.card-panel p {
  margin: 0;
  font-size: 0.6rem;
  line-height: 1.4;
  color: rgba(255,255,255,0.8);
}

@media (max-width: 1200px) {
  .services-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
  .service-card {
    aspect-ratio: 16 / 11;
  }
}

/* -----------------------------
   6. Clients / logo marquee
   ----------------------------- */
.clients {
   padding-top: 10px;
  padding-right: 20px;
  padding-bottom: 80px;
  padding-left: 40px;
  text-align: center;
}

.clients h2 {
  font-size: 1.9rem;
  color: var(--color-navy);
  margin-bottom: var(--space-lg);
}

.ss-logo-loop {
  width: 100%;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
}

.ss-logo-track {
  display: flex;
  align-items: center;
  gap: 70px;
  width: max-content;
  animation: ssInfinite 22s linear infinite;
}

.ss-logo-loop:hover .ss-logo-track {
  animation-play-state: paused;
}

.ss-logo {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ss-logo img {
  display: block;
  height: 46px;
  width: auto;
  max-width: none;
  object-fit: contain;
  filter: grayscale(15%);
  opacity: 0.9;
}

@keyframes ssInfinite {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (max-width: 768px) {
  .ss-logo-track {
    gap: 36px;
    animation-duration: 14s;
  }
  .ss-logo img {
    height: 32px;
  }
}

/* -----------------------------
   7. About page
   ----------------------------- */
.about-section {
  padding: var(--space-xl) 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-xl);
  align-items: start;
}

.about-grid h2 {
  font-size: clamp(1.8rem, 2.4vw, 2.4rem);
  color: var(--color-navy);
  margin-bottom: var(--space-md);
}

.about-grid p {
  color: var(--color-navy-light);
  margin: 0 0 var(--space-md);
  line-height: 1.7;
}

.value-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-md);
}

.value-list li {
  background: var(--color-white);
  border-radius: 16px;
  padding: var(--space-md);
  box-shadow: 0 6px 18px rgba(0,0,0,0.05);
}

.value-list h3 {
  font-size: 1rem;
  color: var(--color-navy);
  margin-bottom: 6px;
}

.value-list p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.stat {
  background: var(--color-navy);
  color: var(--color-white);
  border-radius: 16px;
  padding: var(--space-md);
  text-align: center;
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
}

.stat span {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.75);
}

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

@media (max-width: 560px) {
  .stats-row {
    grid-template-columns: 1fr;
  }
}

/* -----------------------------
   8. Contact / CTA section
   ----------------------------- */
.contact-section {
  min-height: 100vh;
  background: var(--color-white);
  display: flex;
  justify-content: center;
  padding: 60px 20px;
  color: #fff;
}

.contact-wrap {
  width: 100%;
  max-width: 700px;
  position: relative;
}

.contact-wrap h2 {
  text-align: center;
  font-size: 1.9em;
  color: var(--color-navy);
  font-weight: 600;
  margin: 10px 0 12px;
  letter-spacing: -0.5px;
}

.contact-intro {
  text-align: center;
  color: rgba(255,255,255,0.75);
  margin: 0 0 50px;
  font-size: 0.95rem;
}

.contact-form {
  width: 100%;
}

.form-row {
  margin-bottom: 34px;
}

.form-group {
  margin-bottom: 34px;
}

.form-row label,
.form-group label,
.field-group > label {
  display: block;
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 10px;
  color: var(--color-navy);
}

.form-row label span,
.form-group label span,
.required {
  font-size: 10px;
  opacity: 0.75;
  margin-left: 8px;
  vertical-align: middle;
}

.split-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.split-field {
  position: relative;
}

.split-field input,
.form-row input,
.form-group input,
.form-group textarea {
  width: 100%;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  background: transparent;
  color: var(--color-navy);
  outline: none;
  padding: 12px 0 14px;
  font-size: 15px;
  font-family: var(--font-body);
  resize: vertical;
}

.split-field input::placeholder,
.form-row input::placeholder,
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-navy);
}

.split-field .required {
  display: inline-block;
  margin-top: 8px;
  margin-left: 0;
}

.form-error {
  display: block;
  min-height: 16px;
  font-size: 0.75rem;
  color: #b61313;
  margin-top: 6px;
}

.submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 40px auto 0;
  background: var(--color-bg-pale);
  border: none;
  border-radius: var(--radius-btn);
  color: var(--color-navy);
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-display);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease, opacity 0.2s ease;
}

.submit-btn:hover {
  background: var(--color-navy);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.submit-btn .spinner {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  animation: spin 0.7s linear infinite;
  display: none;
}

.submit-btn.loading .spinner {
  display: inline-block;
}

.submit-btn.loading .btn-label {
  opacity: 0.7;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.form-submit-error {
  text-align: center;
  color: #ffb4b4;
  font-size: 0.85rem;
  margin-top: 18px;
  min-height: 18px;
}

/* --- Thank-you success overlay & animation --- */
.form-success {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 16px;
  background: var(--color-white);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.form-success.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.success-check {
  width: 84px;
  height: 84px;
}

.success-check .circle {
  stroke: var(--color-accent-teal);
  stroke-width: 3;
  fill: none;
  stroke-dasharray: 240;
  stroke-dashoffset: 240;
  stroke-linecap: round;
  animation: draw-circle 0.6s ease forwards;
}

.success-check .check {
  stroke: var(--color-accent-teal);
  stroke-width: 4;
  fill: none;
  stroke-dasharray: 40;
  stroke-dashoffset: 40;
  stroke-linecap: round;
  stroke-linejoin: round;
  animation: draw-check 0.35s ease forwards 0.55s;
}

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

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

.form-success h3 {
  font-size: 1.5rem;
  color: var(--color-navy);
  margin: 0;
}

.form-success p {
  color: rgba(255,255,255,0.75);
  margin: 0;
  font-size: 0.95rem;
}

.form-success-reset {
  margin-top: 8px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.4);
  color: var(--color-navy);
  padding: 10px 22px;
  border-radius: var(--radius-btn);
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .contact-wrap h2 {
    font-size: 28px;
  }
  .split-row {
    grid-template-columns: 1fr;
  }
}
.form-success {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 16px;
  padding: 32px 24px;
  background: var(--color-white);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s ease;
  z-index: 5;
}

.form-success.visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.success-check {
  width: 84px;
  height: 84px;
}

.success-check .circle {
  stroke: var(--color-accent-teal);
  stroke-width: 3;
  fill: none;
  stroke-dasharray: 240;
  stroke-dashoffset: 240;
  stroke-linecap: round;
  animation: draw-circle 0.6s ease forwards;
}

.success-check .check {
  stroke: var(--color-accent-teal);
  stroke-width: 4;
  fill: none;
  stroke-dasharray: 40;
  stroke-dashoffset: 40;
  stroke-linecap: round;
  stroke-linejoin: round;
  animation: draw-check 0.35s ease forwards 0.55s;
}

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

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

.form-success h3 {
  font-size: 1.5rem;
  color: var(--color-navy);
  margin: 0;
}

.form-success p {
  color: rgba(10, 20, 40, 0.72);
  margin: 0;
  font-size: 0.95rem;
}

.form-success-reset {
  margin-top: 8px;
  background: transparent;
  border: 1px solid rgba(10, 20, 40, 0.18);
  color: var(--color-navy);
  padding: 10px 22px;
  border-radius: var(--radius-btn);
  font-size: 0.85rem;
  cursor: pointer;
}

@media (max-width: 768px) {
  .contact-wrap h2 {
    font-size: 28px;
  }

  .split-row {
    grid-template-columns: 1fr;
  }
}

/* -----------------------------
   9. Footer
   ----------------------------- */
.site-footer {
  background: var(--color-navy);
  color: rgba(255,255,255,0.85);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.footer-brand-col img {
  height: 80px;
  width: auto;
  margin-bottom: var(--space-sm);
}

.footer-tagline {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  max-width: 32ch;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.55);
  margin-bottom: var(--space-sm);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.footer-col a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.85);
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--color-accent-teal);
}

.address {
 font-size: 0.8rem;
  color: rgba(255,255,255,0.85);
  transition: color 0.2s ease;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
}

.footer-powered {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-powered img {
  height: 18px;
  width: auto;
}

@media (max-width: 767px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    text-align: center;
  }
  .footer-brand-col img {
    margin-left: auto;
    margin-right: auto;
  }
  .footer-tagline {
    max-width: none;
    margin: 0 auto;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* -----------------------------
   10. Responsive breakpoints (shared)
   ----------------------------- */
@media (max-width: 767px) {
  .container {
    width: min(100%, calc(100% - 2 * var(--space-md)));
  }

  .main-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border-light);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .main-nav.open {
    max-height: 260px;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: var(--space-sm) 0;
  }

  .main-nav a {
    display: block;
    padding: var(--space-sm) var(--space-md);
  }

  .nav-toggle {
    display: block;
  }
}