/* ============================================================
   AIONITI Technologies — Main Stylesheet
   ============================================================ */

/* ---------- Custom Properties ---------- */
:root {
  --color-dark:    #001f3f;
  --color-primary: #00509e;
  --color-mid:     #0077b6;
  --color-accent:  #00b4d8;
  --color-bg:      #f4f8fc;
  --color-text:    #1a2b3c;
  --color-muted:   #5a6a7a;
  --color-white:   #ffffff;
  --radius:        10px;
  --shadow:        0 4px 18px rgba(0, 32, 64, 0.10);
  --shadow-hover:  0 8px 32px rgba(0, 32, 64, 0.18);
  --transition:    0.28s ease;
  --nav-height:    68px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
}

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

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

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.fade-in {
  animation: fadeInUp 0.65s var(--transition) both;
}

.fade-in-delay-1 { animation-delay: 0.10s; }
.fade-in-delay-2 { animation-delay: 0.22s; }
.fade-in-delay-3 { animation-delay: 0.34s; }
.fade-in-delay-4 { animation-delay: 0.46s; }

/* ---------- Top Navigation ---------- */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-dark);
  height: var(--nav-height);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}

.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo img {
  height: 52px;
  width: auto;
  border-radius: 6px;
}

header nav {
  display: flex;
  gap: 6px;
}

header nav a {
  color: rgba(255, 255, 255, 0.88);
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.92rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}

header nav a:hover,
header nav a.active {
  background: var(--color-accent);
  color: var(--color-white);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* Mobile nav open state */
header.nav-open nav {
  display: flex;
}

/* ---------- Page Wrapper ---------- */
main {
  min-height: calc(100vh - var(--nav-height));
}

/* ---------- Hero Section ---------- */
.hero {
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-primary) 55%, var(--color-mid) 100%);
  color: var(--color-white);
  text-align: center;
  padding: 110px 24px 90px;
  animation: fadeIn 0.8s ease both;
}

.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  max-width: 780px;
  margin: 0 auto 18px;
  line-height: 1.25;
}

.hero p {
  font-size: clamp(1rem, 2vw, 1.2rem);
  opacity: 0.9;
  max-width: 560px;
  margin: 0 auto 36px;
}

/* ---------- Page Hero (inner pages) ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--color-dark), var(--color-primary));
  color: var(--color-white);
  text-align: center;
  padding: 70px 24px 60px;
}

.page-hero h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 12px;
}

.page-hero p {
  font-size: 1.05rem;
  opacity: 0.88;
  max-width: 560px;
  margin: 0 auto;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  background: var(--color-white);
  color: var(--color-primary);
  padding: 13px 30px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}

.btn:hover {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(0, 180, 216, 0.35);
}

.btn-outline {
  display: inline-block;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  padding: 11px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: background var(--transition), color var(--transition);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

/* ---------- Section Wrapper ---------- */
.section {
  padding: 72px 24px;
  max-width: 1160px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 10px;
}

.section-title p {
  color: var(--color-muted);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 auto;
}

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}

.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.card-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.card-icon svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: var(--color-white);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 10px;
}

.card p {
  font-size: 0.92rem;
  color: var(--color-muted);
  line-height: 1.6;
}

/* ---------- About Teaser (2-col) ---------- */
.about-teaser {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 48px;
  box-shadow: var(--shadow);
}

.about-teaser h2 {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 16px;
}

.about-teaser p {
  color: var(--color-muted);
  margin-bottom: 24px;
  line-height: 1.7;
}

.about-teaser-visual {
  background: linear-gradient(135deg, var(--color-primary), var(--color-mid));
  border-radius: var(--radius);
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 4rem;
  font-weight: 700;
  letter-spacing: -2px;
  opacity: 0.92;
}

/* ---------- Strategy Timeline ---------- */
.timeline {
  position: relative;
  padding-left: 48px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
  border-radius: 3px;
}

.timeline-step {
  position: relative;
  padding: 32px 28px 32px 32px;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.timeline-step:last-child {
  margin-bottom: 0;
}

.timeline-step:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-hover);
}

.timeline-step::before {
  content: attr(data-step);
  position: absolute;
  left: -48px;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
}

.timeline-step h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.timeline-step p {
  font-size: 0.92rem;
  color: var(--color-muted);
  line-height: 1.65;
}

/* ---------- Testimonials ---------- */
.testimonials-band {
  background: linear-gradient(135deg, var(--color-dark) 0%, #00366b 100%);
  padding: 80px 24px;
}

.testimonials-band .section-title h2,
.testimonials-band .section-title p {
  color: var(--color-white);
}

.testimonials-band .section-title p {
  opacity: 0.75;
}

.testimonial-grid {
  max-width: 1160px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 36px 32px 28px;
  position: relative;
  transition: background var(--transition), transform var(--transition);
}

.testimonial-card:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}

.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 16px;
  left: 28px;
  font-size: 5rem;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.5;
  font-family: Georgia, serif;
}

.testimonial-card blockquote {
  margin: 0 0 28px;
  padding-top: 32px;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.72;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-white);
  flex-shrink: 0;
}

.testimonial-meta strong {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-white);
}

.testimonial-meta span {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
}

/* ---------- Contact Page ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 40px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 24px 28px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: var(--color-white);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-info-card h4 {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  margin-bottom: 4px;
}

.contact-info-card p,
.contact-info-card a {
  font-size: 0.95rem;
  color: var(--color-dark);
  font-weight: 500;
  line-height: 1.5;
}

.contact-info-card a:hover {
  color: var(--color-primary);
}

/* Form */
.contact-form-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 40px 36px;
  box-shadow: var(--shadow);
}

.contact-form-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 11px 14px;
  border: 1.5px solid #dce4ed;
  border-radius: 7px;
  font-family: 'Poppins', sans-serif;
  font-size: 0.92rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 80, 158, 0.12);
  background: var(--color-white);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-notice {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-top: -8px;
  margin-bottom: 20px;
}

.form-notice a {
  color: var(--color-primary);
  text-decoration: underline;
}

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

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form-card {
    padding: 28px 20px;
  }
}

/* ---------- Footer ---------- */
footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 40px 24px 28px;
  margin-top: 0;
}

.footer-inner {
  max-width: 1160px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.88rem;
  transition: color var(--transition);
}

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

footer p {
  font-size: 0.88rem;
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .about-teaser {
    grid-template-columns: 1fr;
    padding: 32px 24px;
  }
  .about-teaser-visual { height: 180px; }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  header nav {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-dark);
    flex-direction: column;
    padding: 12px 16px 20px;
    gap: 4px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
  }

  header nav a {
    padding: 12px 16px;
    border-radius: 6px;
  }

  .section {
    padding: 48px 16px;
  }

  .hero {
    padding: 72px 16px 64px;
  }

  .timeline {
    padding-left: 40px;
  }
}

@media (max-width: 500px) {
  .card-grid, .card-grid-2 {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}