/* ===========================
   Neptune Applications – style.css
   =========================== */

@import url('https://fonts.googleapis.com/css2?family=Heebo:wght@300;400;500;600;700;900&display=swap');

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Heebo', sans-serif;
  color: #fff;
  background: #000;
  line-height: 1.6;
}

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

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

/* ===========================
   HEADER / NAV
   =========================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(15, 10, 35, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.nav-logo span {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  line-height: 1.1;
}

.nav-logo .sub {
  display: block;
  font-size: 8px;
  font-weight: 400;
  letter-spacing: 0.25em;
  color: rgba(255,255,255,0.6);
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.85);
  transition: color 0.2s;
}

.nav-links a:hover {
  color: #fff;
}

/* Hamburger (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s;
}

/* ===========================
   HERO SECTION
   =========================== */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0f0a23 0%, #1e1040 40%, #2b1a5e 70%, #1a0d3d 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../image/hero-bg.png');
  background-size: cover;
  background-position: center;
  opacity: 0.85;
  mix-blend-mode: screen;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 32px 80px;
  width: 100%;
}

.hero-content h1 {
  font-size: clamp(48px, 8vw, 100px);
  font-weight: 700;
  line-height: 1.05;
  color: #e8e4f8;
  max-width: 700px;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.hero-content p {
  font-size: 18px;
  font-weight: 300;
  color: rgba(220,216,240,0.85);
  margin-bottom: 48px;
  letter-spacing: 0.02em;
}

.btn-primary {
  display: inline-block;
  padding: 14px 44px;
  background: rgba(60,50,100,0.75);
  border: 1px solid rgba(200,190,240,0.4);
  color: rgba(220,216,240,0.9);
  font-family: 'Heebo', sans-serif;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background 0.25s, border-color 0.25s, color 0.25s;
}

.btn-primary:hover {
  background: rgba(80,65,130,0.9);
  border-color: rgba(200,190,240,0.7);
  color: #fff;
}

/* ===========================
   MISSION SECTION
   =========================== */
.mission {
  background: #0d0d0d;
  position: relative;
  overflow: hidden;
  padding: 100px 32px;
}

.mission-bg {
  position: absolute;
  inset: 0;
  background-image: url('../image/mission-bg.png');
  background-size: cover;
  background-position: center;
  opacity: 0.18;
}

.mission-inner {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.mission-inner h2 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  color: #fff;
  margin-bottom: 40px;
}

.mission-inner p {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255,255,255,0.8);
  margin-bottom: 24px;
  text-align: justify;
}

.mission-inner p:last-child {
  margin-bottom: 0;
}

/* ===========================
   SERVICES SECTION
   =========================== */
.services {
  background: #f5f5f5;
  padding: 100px 32px;
}

.services-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.services-inner h2 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  color: #111;
  text-align: center;
  margin-bottom: 72px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px 32px;
}

.service-card {
  text-align: center;
  padding: 0 16px;
}

.service-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #bde4f0;
  color: #1a3a50;
  font-size: 22px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.service-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #111;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 14px;
  color: #555;
  line-height: 1.7;
}

/* ===========================
   CONTACT INFO SECTION (Home)
   =========================== */
.contact-info-section {
  background: #111;
  padding: 80px 32px;
}

.contact-info-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.contact-info-inner h2 {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  color: #fff;
  text-align: center;
  margin-bottom: 60px;
}

.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.contact-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.contact-col p,
.contact-col a {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
  display: block;
}

.contact-col a {
  color: #bde4f0;
  transition: color 0.2s;
}

.contact-col a:hover {
  color: #fff;
}

/* ===========================
   FOOTER
   =========================== */
.site-footer {
  background: #1a1a1a;
  border-top: 1px solid rgba(255,255,255,0.06);
  text-align: center;
  padding: 24px 32px;
}

.site-footer p {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.03em;
}

/* ===========================
   CONTACT PAGE STYLES
   =========================== */
.contact-page-header {
  background: #111;
  padding: 0 32px;
  height: 120px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.contact-page-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.contact-page-header h1 {
  font-size: clamp(24px, 4vw, 42px);
  font-weight: 700;
  color: #fff;
  text-align: center;
}

.contact-page-body {
  background: #f4f4f4;
  min-height: calc(100vh - 120px - 62px);
  padding: 80px 32px;
}

.contact-page-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

/* Left – address & contact info */
.contact-left {
  padding-top: 16px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 40px;
}

.contact-info-item .icon {
  font-size: 20px;
  margin-top: 2px;
  flex-shrink: 0;
  color: #555;
}

.contact-info-item p,
.contact-info-item a {
  font-size: 15px;
  color: #555;
  line-height: 1.6;
}

.contact-info-item a {
  color: #7b5ea7;
  transition: color 0.2s;
}

.contact-info-item a:hover {
  color: #4a2c7e;
}

/* Right – Form */
.contact-form-wrapper {
  background: #fff;
  border: 1px solid #e0e0e0;
  padding: 40px;
  border-radius: 2px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 16px;
}

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: #333;
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.form-group label .required {
  color: #c0392b;
  margin-left: 2px;
}

.form-group input,
.form-group textarea {
  font-family: 'Heebo', sans-serif;
  font-size: 14px;
  color: #222;
  background: #fff;
  border: 1px solid #ccc;
  border-radius: 2px;
  padding: 10px 14px;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: #7b5ea7;
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.btn-send {
  display: block;
  margin-left: auto;
  padding: 12px 40px;
  background: #1a1040;
  color: #fff;
  font-family: 'Heebo', sans-serif;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.25s;
}

.btn-send:hover {
  background: #2b1a5e;
}

.btn-send:disabled {
  background: #666;
  cursor: not-allowed;
}

/* Form messages */
.form-message {
  display: none;
  padding: 14px 18px;
  border-radius: 2px;
  font-size: 14px;
  margin-bottom: 20px;
  line-height: 1.5;
}

.form-message.success {
  background: #e8f5e9;
  color: #2e7d32;
  border-left: 4px solid #2e7d32;
}

.form-message.error {
  background: #fdecea;
  color: #c62828;
  border-left: 4px solid #c62828;
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 900px) {
  .services-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-info-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .contact-page-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 768px) {
  /* Nav */
  .nav-links {
    display: none;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(15, 10, 35, 0.98);
    padding: 16px 0;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li a {
    display: block;
    padding: 12px 32px;
    font-size: 15px;
  }

  .nav-toggle {
    display: flex;
  }

  /* Hero */
  .hero-content {
    padding: 100px 24px 60px;
  }

  /* Missions */
  .mission {
    padding: 72px 24px;
  }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .services {
    padding: 72px 24px;
  }

  /* Contact info section */
  .contact-info-section {
    padding: 60px 24px;
  }

  .contact-info-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  /* Contact page */
  .contact-page-header {
    height: auto;
    padding: 24px 24px;
  }

  .contact-page-header-inner {
    grid-template-columns: auto 1fr;
    gap: 16px;
  }

  .contact-page-header h1 {
    text-align: left;
    grid-column: 2;
  }

  .contact-page-body {
    padding: 48px 24px;
  }

  .contact-form-wrapper {
    padding: 24px 20px;
  }

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

@media (max-width: 480px) {
  .contact-page-header-inner {
    grid-template-columns: 1fr;
  }

  .contact-page-header h1 {
    grid-column: 1;
    text-align: center;
  }

  .nav-logo {
    flex: 1;
  }
}