/* ==========================================================================
   Sami Khaddam - Civil Engineer Portfolio
   Clean, modern, responsive stylesheet for Cloudflare Pages
   ========================================================================== */

/* Local Self-Hosted Roboto Fonts (100% DSGVO / GDPR Compliant - Zero External IP Transmission) */
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url('../assets/fonts/roboto-v51-latin-300.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../assets/fonts/roboto-v51-latin-400.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../assets/fonts/roboto-v51-latin-500.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../assets/fonts/roboto-v51-latin-700.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  /* Colors */
  --color-primary: #14223A;
  --color-primary-light: #29487A;
  --color-primary-accent: #305082;
  --color-dark: #0d141a;
  --color-dark-subtle: #1d1e20;
  --color-gray-dark: #374151;
  --color-gray: #4b5563;
  --color-gray-light: #9ca3af;
  --color-border: #e5e7eb;
  --color-card-bg: #f9fafb;
  --color-white: #ffffff;

  /* Typography */
  --font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Oxygen, Ubuntu, Cantarell, sans-serif;
  
  /* Layout */
  --container-max-width: 1224px;
  --header-height: 80px;
  --header-height-mobile: 66px;
  --border-radius-pill: 9999px;
  --border-radius-card: 12px;
  --border-radius-sm: 8px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

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

html {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-dark);
  background-color: var(--color-white);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img, picture, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

button, input, textarea {
  font: inherit;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

@media (max-width: 640px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-white);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

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

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-logo {
  height: 28px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-size: 16px;
  font-weight: 400;
  color: var(--color-dark);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary-accent);
}

.nav-link.active {
  font-weight: 500;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-dark);
  border-radius: 2px;
}

/* Language Switcher */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background-color: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: var(--border-radius-pill);
  padding: 4px 10px;
  font-size: 13px;
  line-height: 1;
}

.lang-option {
  color: var(--color-gray);
  padding: 2px 4px;
  border-radius: 4px;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.lang-option.active {
  color: var(--color-dark);
  font-weight: 700;
}

.lang-option:not(.active):hover {
  color: var(--color-primary-light);
}

.lang-divider {
  color: #cbd5e1;
  font-size: 11px;
}

.footer-lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  font-size: 13px;
  color: #94a3b8;
}

.footer-lang-switcher .lang-option {
  color: #cbd5e1;
}

.footer-lang-switcher .lang-option.active {
  color: #ffffff;
  font-weight: 700;
}

.footer-lang-switcher .lang-option:not(.active):hover {
  color: #ffffff;
}

/* Mobile Hamburger Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1100;
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background-color: var(--color-dark);
  border-radius: 2px;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.hamburger-line:not(:last-child) {
  margin-bottom: 6px;
}

.mobile-menu-toggle.is-active .hamburger-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle.is-active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.is-active .hamburger-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

@media (max-width: 768px) {
  .header-container {
    height: var(--header-height-mobile);
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height-mobile);
    left: 0;
    right: 0;
    background-color: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 20px 32px;
    gap: 20px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
  }

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

  .nav-link {
    font-size: 18px;
    width: 100%;
    padding: 10px 0;
  }

  .lang-switcher {
    margin-top: 10px;
    padding: 6px 14px;
    font-size: 14px;
  }
}

/* ==========================================================================
   Buttons & Pills
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 500;
  padding: 12px 32px;
  border-radius: var(--border-radius-pill);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  line-height: 1.25;
  text-align: center;
}

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

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

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

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

.btn-solid-dark {
  background-color: #000000;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-solid-dark:hover {
  background-color: var(--color-white);
  color: #000000;
}

.btn-solid-navy {
  background-color: var(--color-primary-light);
  color: var(--color-white);
}

.btn-solid-navy:hover {
  background-color: #1f3761;
}

/* ==========================================================================
   Hero Section (Home)
   ========================================================================== */
.hero-section {
  background: linear-gradient(135deg, rgb(48, 80, 130) 0%, rgb(0, 0, 0) 100%);
  color: var(--color-white);
  padding: 100px 0 110px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 860px;
}

.hero-title {
  font-size: 58px;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-title-accent {
  display: block;
  font-weight: 400;
  font-size: 42px;
  margin-top: 6px;
  opacity: 0.95;
}

.hero-subtitle {
  font-size: 20px;
  font-weight: 400;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 36px;
  max-width: 640px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.social-links {
  display: inline-flex;
  align-items: center;
  gap: 16px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  opacity: 0.85;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.social-link:hover {
  opacity: 1;
  transform: translateY(-2px);
}

.social-link svg {
  width: 24px;
  height: 24px;
}

@media (max-width: 768px) {
  .hero-section {
    padding: 60px 0 70px;
  }

  .hero-title {
    font-size: 40px;
  }

  .hero-title-accent {
    font-size: 28px;
  }

  .hero-subtitle {
    font-size: 17px;
    margin-bottom: 28px;
  }

  .hero-actions {
    gap: 24px;
  }
}

/* ==========================================================================
   Section General Styles
   ========================================================================== */
.section {
  padding: 80px 0;
}

.section-header {
  margin-bottom: 48px;
}

.section-title {
  font-size: 44px;
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.25;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 18px;
  color: var(--color-gray);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }

  .section-header {
    margin-bottom: 32px;
  }

  .section-title {
    font-size: 32px;
  }

  .section-subtitle {
    font-size: 16px;
  }
}

/* ==========================================================================
   Expertise Section (Home)
   ========================================================================== */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px 32px;
}

.expertise-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-white);
  border-radius: var(--border-radius-card);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.expertise-card:hover {
  transform: translateY(-4px);
}

.card-image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: var(--border-radius-card);
  background-color: #f0f3f6;
}

.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.expertise-card:hover .card-image {
  transform: scale(1.03);
}

.card-content {
  padding: 20px 4px 8px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 8px;
}

.card-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.3;
}

.card-arrow {
  font-size: 20px;
  color: var(--color-dark);
  transition: transform var(--transition-fast);
}

.expertise-card:hover .card-arrow {
  transform: translateX(4px);
}

.card-desc {
  font-size: 16px;
  color: var(--color-gray);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .expertise-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .card-title {
    font-size: 20px;
  }
}

/* ==========================================================================
   Experience Highlights Section (Home)
   ========================================================================== */
.experience-banner-wrap {
  width: 100%;
  border-radius: var(--border-radius-card);
  overflow: hidden;
  margin-top: 32px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.experience-banner {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

@media (max-width: 768px) {
  .experience-banner {
    height: 240px;
  }
}

/* ==========================================================================
   Jobs Highlights Section (Home)
   ========================================================================== */
.jobs-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}

.jobs-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.job-card {
  padding: 28px;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-card);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.job-card:hover {
  border-color: var(--color-primary-accent);
  transform: translateY(-2px);
}

.job-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.job-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-dark);
}

.job-badge {
  font-size: 13px;
  font-weight: 500;
  padding: 4px 12px;
  background-color: rgba(20, 34, 58, 0.08);
  color: var(--color-primary);
  border-radius: var(--border-radius-pill);
}

.job-company {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-primary-accent);
  margin-bottom: 12px;
}

.job-desc {
  font-size: 15px;
  color: var(--color-gray);
  line-height: 1.55;
}

.jobs-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.jobs-img-wrap {
  border-radius: var(--border-radius-card);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background-color: #f0f3f6;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.jobs-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 900px) {
  .jobs-container {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .jobs-images {
    max-width: 500px;
    margin: 0 auto;
    width: 100%;
  }
}

/* ==========================================================================
   About Sami Section (Home Teaser)
   ========================================================================== */
.about-teaser-section {
  padding: 80px 0;
  background-color: var(--color-card-bg);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.about-teaser-card {
  max-width: 760px;
}

.about-teaser-title {
  font-size: 38px;
  font-weight: 600;
  margin-bottom: 16px;
}

.about-teaser-desc {
  font-size: 18px;
  color: var(--color-gray);
  line-height: 1.6;
  margin-bottom: 28px;
}

/* ==========================================================================
   About Page Specific Styles
   ========================================================================== */
.page-hero {
  padding: 70px 0 40px;
}

.page-title {
  font-size: 52px;
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.page-lead {
  font-size: 20px;
  color: var(--color-gray);
  line-height: 1.6;
  max-width: 820px;
}

.about-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin: 40px 0 50px;
}

.about-col-card {
  padding: 32px;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-card);
}

.about-col-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 14px;
}

.about-col-text {
  font-size: 16px;
  color: var(--color-gray);
  line-height: 1.6;
}

.about-wide-image-wrap {
  width: 100%;
  border-radius: var(--border-radius-card);
  overflow: hidden;
  margin-bottom: 80px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.about-wide-image {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

@media (max-width: 768px) {
  .page-hero {
    padding: 48px 0 24px;
  }

  .page-title {
    font-size: 36px;
  }

  .page-lead {
    font-size: 18px;
  }

  .about-columns {
    grid-template-columns: 1fr;
    gap: 24px;
    margin: 28px 0 36px;
  }

  .about-col-card {
    padding: 24px;
  }

  .about-wide-image {
    height: 260px;
  }
}

/* ==========================================================================
   Location Section (About & Contact)
   ========================================================================== */
.location-section {
  padding: 70px 0;
}

.location-section-dark {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.location-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
}

.location-info-title {
  font-size: 38px;
  font-weight: 600;
  margin-bottom: 16px;
}

.location-section-dark .location-info-title {
  color: var(--color-white);
}

.location-info-desc {
  font-size: 17px;
  line-height: 1.6;
  margin-bottom: 32px;
}

.location-section:not(.location-section-dark) .location-info-desc {
  color: var(--color-gray);
}

.location-section-dark .location-info-desc {
  color: rgba(255, 255, 255, 0.85);
}

.location-details-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.location-detail-item h6 {
  font-size: 15px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.location-section:not(.location-section-dark) .location-detail-item h6 {
  color: var(--color-dark);
}

.location-section-dark .location-detail-item h6 {
  color: rgba(255, 255, 255, 0.7);
}

.location-detail-item p {
  font-size: 17px;
  font-weight: 400;
}

.map-container {
  position: relative;
  width: 100%;
  height: 380px;
  border-radius: var(--border-radius-card);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  background-color: #e5e7eb;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* GDPR Compliant 2-Click Map Preview */
.map-container-preview {
  display: flex;
  align-items: center;
  justify-content: center;
}

.map-bg-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(2px) brightness(0.85);
  transform: scale(1.05);
}

.map-preview-overlay {
  position: relative;
  z-index: 2;
  padding: 20px;
}

.map-preview-card {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-radius: var(--border-radius-card);
  padding: 24px 28px;
  text-align: center;
  max-width: 320px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.map-pin-icon {
  font-size: 28px;
  margin-bottom: 8px;
}

.map-preview-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.map-preview-text {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.4;
  margin-bottom: 16px;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}

.footer-legal-link {
  color: #94a3b8;
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-left: 6px;
  transition: color var(--transition-fast);
}

.footer-legal-link:hover {
  color: #ffffff;
}

@media (max-width: 850px) {
  .location-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .map-container {
    height: 300px;
  }
}

/* ==========================================================================
   Contact Page Specific Styles
   ========================================================================== */
.contact-section {
  padding: 70px 0 80px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: start;
}

.contact-form-wrap {
  display: flex;
  flex-direction: column;
}

/* Primary Contact: LinkedIn Direct Card */
.contact-linkedin-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: linear-gradient(135deg, #f0f6ff 0%, #ffffff 100%);
  border: 1.5px solid #bdd7f5;
  border-radius: var(--border-radius-card);
  padding: 24px;
  margin: 24px 0 32px;
  box-shadow: 0 4px 16px rgba(41, 72, 122, 0.08);
}

.linkedin-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background-color: #0a66c2;
  color: #ffffff;
  border-radius: 12px;
  flex-shrink: 0;
}

.linkedin-card-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.linkedin-card-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-dark);
}

.linkedin-card-text {
  font-size: 15px;
  color: var(--color-gray);
  line-height: 1.5;
  margin-bottom: 8px;
}

.btn-linkedin {
  align-self: flex-start;
  background-color: #0a66c2;
  color: #ffffff;
  border-color: #0a66c2;
}

.btn-linkedin:hover {
  background-color: #084e96;
  border-color: #084e96;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(10, 102, 194, 0.25);
}

/* Disabled Form Container & State */
.form-disabled-container {
  margin-top: 8px;
  padding-top: 24px;
  border-top: 1px dashed var(--color-border);
}

.form-disabled-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: #64748b;
  background-color: #f1f5f9;
  padding: 6px 14px;
  border-radius: var(--border-radius-pill);
  margin-bottom: 18px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #94a3b8;
}

.contact-form-disabled {
  opacity: 0.65;
  pointer-events: none;
  user-select: none;
}

.contact-form-disabled .form-input,
.contact-form-disabled .form-textarea {
  background-color: #f8fafc;
  border-color: #cbd5e1;
  color: #64748b;
  cursor: not-allowed;
}

.btn-disabled {
  background-color: #e2e8f0;
  color: #94a3b8;
  border-color: #cbd5e1;
  cursor: not-allowed;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-dark);
}

.form-input, .form-textarea {
  width: 100%;
  padding: 14px 18px;
  font-size: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background-color: var(--color-white);
  color: var(--color-dark);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(41, 72, 122, 0.15);
}

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

.form-status {
  padding: 16px 18px;
  border-radius: var(--border-radius-sm);
  font-size: 15px;
  line-height: 1.5;
  display: none;
  margin-top: 10px;
}

.form-status.success {
  display: block;
  background-color: #def7ec;
  color: #03543f;
  border: 1px solid #bcf0da;
}

.form-status.info-notice {
  display: block;
  background-color: #f0f6ff;
  color: #1e3a8a;
  border: 1px solid #bfdbfe;
}

.form-status.info-notice a {
  color: #1e40af;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.form-status.info-notice a:hover {
  color: #0f172a;
}

.form-status.error {
  display: block;
  background-color: #fde8e8;
  color: #9b1c1c;
  border: 1px solid #f8b4b4;
}

.contact-image-wrap {
  position: sticky;
  top: 100px;
  border-radius: var(--border-radius-card);
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
}

.contact-image {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

@media (max-width: 850px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-image-wrap {
    position: static;
  }

  .contact-image {
    height: 320px;
  }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 60px 0 40px;
  margin-top: auto;
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 32px;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 500px;
}

.footer-title {
  font-size: 26px;
  font-weight: 600;
  color: var(--color-white);
}

.footer-text {
  font-size: 16px;
  color: #cbd5e1;
}

.footer-social {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 6px;
}

.footer-social-link {
  color: var(--color-white);
  opacity: 0.85;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.footer-social-link:hover {
  opacity: 1;
  transform: translateY(-2px);
}

.footer-social-link svg {
  width: 24px;
  height: 24px;
}

.footer-copyright {
  font-size: 14px;
  color: #94a3b8;
  margin-top: 8px;
}

.footer-right {
  display: flex;
  align-items: center;
}

@media (max-width: 640px) {
  .footer-container {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-right {
    width: 100%;
  }

  .footer-right .btn {
    width: 100%;
  }
}