/* ==========================================================================
   Vimana Construction Chemicals - Contact Page Styling
   Design System & Premium Aesthetics
   ========================================================================== */

/* 1. Design System & CSS Variables */
:root {
  --primary: #2F5AA8;
  --primary-glow: #4C7BD1;
  --accent: #18A85B;
  --accent-glow: #2CC873;
  --charcoal: #1A2238;
  --charcoal-soft: #3C4666;
  --muted: #6B7391;
  --border: #E5E9F2;
  --bg: #ffffff;
  --soft: #F4F7FB;
  --radius: 1rem;
  --gradient-brand: linear-gradient(135deg, #2F5AA8 0%, #3F6BC0 45%, #18A85B 100%);
  --gradient-cta: linear-gradient(135deg, #1E3A78 0%, #2F5AA8 50%, #18A85B 100%);
  --shadow-card: 0 8px 30px -12px rgba(26, 34, 56, .12);
  --shadow-card-hover: 0 24px 60px -20px rgba(26, 34, 56, .22);
  --shadow-elegant: 0 20px 60px -20px rgba(47, 90, 168, .35);
  --shadow-glow: 0 0 60px rgba(76, 123, 209, .45);
  --shadow-accent: 0 20px 50px -20px rgba(24, 168, 91, .45);
}

/* 2. Global Resets & Base Typography */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  color: var(--charcoal);
  background-color: var(--soft);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Typography Headings */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Outfit', sans-serif;
  color: var(--charcoal);
  line-height: 1.2;
  font-weight: 700;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease;
}


/* Main Container Limit */
.main {
  width: min(100%, 1360px);
  max-width: 1360px;
  margin: 0 auto 50px;
  padding-inline: clamp(1rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
  margin-top: 35px;
}

/* ==========================================================================
   5. Section 2: Contact Section (Two-Column Layout)
   ========================================================================== */
.contact {
  width: 100%;
}

.contact__container {
  display: grid;
  grid-template-columns: minmax(0, 45fr) minmax(0, 55fr);
  gap: 2.5rem;
  align-items: start;
}

/* --- Left Side: Contact Info (45%) --- */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-info__header {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-info__tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent);
  background: rgba(24, 168, 91, 0.1);
  padding: 0.35rem 0.9rem;
  border-radius: 50px;
  border: 1px solid rgba(24, 168, 91, 0.2);
}

.contact-info__heading {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--charcoal);
  line-height: 1.25;
}

.contact-info__desc {
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
  color: var(--muted);
  line-height: 1.65;
}

/* Contact Cards Grid */
.contact-info__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.contact-card {
  position: relative;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(76, 123, 209, 0.35);
  background: rgba(255, 255, 255, 0.98);
}

.contact-card:hover::before {
  opacity: 1;
}

.contact-card__icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(47, 90, 168, 0.12) 0%, rgba(24, 168, 91, 0.12) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: all 0.3s ease;
}

.contact-card:hover .contact-card__icon-wrapper {
  background: var(--gradient-brand);
  color: #ffffff;
  transform: scale(1.05) rotate(-3deg);
  box-shadow: var(--shadow-accent);
}

.contact-card__icon {
  width: 24px;
  height: 24px;
}

.contact-card__content {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.contact-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--charcoal);
}

.contact-card__text {
  font-size: 0.95rem;
  color: var(--charcoal-soft);
  font-weight: 500;
  word-break: break-word;
}

.contact-card__link {
  color: var(--charcoal-soft);
  cursor: pointer;
}

.contact-card__link:hover {
  color: var(--primary);
  text-decoration: underline;
}

.contact-card__subtext {
  font-size: 0.82rem;
  color: var(--muted);
}

.contact-card__link-sub {
  color: var(--muted);
  cursor: pointer;
}

.contact-card__link-sub:hover {
  color: var(--primary);
}

.contact-card__address {
  font-style: normal;
  font-size: 0.9rem;
  color: var(--charcoal-soft);
  line-height: 1.5;
}

/* Social Media Icons */
.contact-card__socials {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.4rem;
}

.contact-card__social-link {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--soft);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--charcoal-soft);
  transition: all 0.3s ease;
}

.contact-card__social-link svg {
  width: 18px;
  height: 18px;
}

.contact-card__social-link:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(47, 90, 168, 0.3);
}


/* --- Right Side: Contact Form Wrapper (55%) --- */
.contact-form-wrapper {
  position: relative;
  width: 100%;
}

.contact-form {
  position: relative;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  padding: clamp(1.8rem, 4vw, 2.8rem);
  box-shadow: var(--shadow-elegant);
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  transition: box-shadow 0.4s ease, transform 0.4s ease;
}

.contact-form:hover {
  box-shadow: 0 25px 70px -15px rgba(47, 90, 168, 0.38);
}

.contact-form__header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.contact-form__badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--primary);
  background: rgba(47, 90, 168, 0.08);
  padding: 0.3rem 0.8rem;
  border-radius: 50px;
  border: 1px solid rgba(47, 90, 168, 0.15);
}

.contact-form__title {
  font-size: clamp(1.6rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--charcoal);
}

.contact-form__subtitle {
  font-size: 0.95rem;
  color: var(--muted);
}

/* Form Body Grid */
.contact-form__body {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem 1rem;
}

/* Form Group & Floating Labels */
.contact-form__group {
  position: relative;
  display: flex;
  flex-direction: column;
}

.contact-form__group--full {
  grid-column: 1 / -1;
}

.contact-form__input,
.contact-form__select,
.contact-form__textarea {
  width: 100%;
  padding: 1.4rem 1rem 0.5rem 1rem;
  background: var(--soft);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.98rem;
  color: var(--charcoal);
  font-weight: 500;
  outline: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.contact-form__textarea {
  resize: vertical;
  min-height: 120px;
  padding-top: 1.5rem;
}

/* Floating Label Styling */
.contact-form__label {
  position: absolute;
  left: 1rem;
  top: 1rem;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 500;
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: left top;
}

/* Floating trigger on Focus / Filled */
.contact-form__input:focus~.contact-form__label,
.contact-form__input:not(:placeholder-shown)~.contact-form__label,
.contact-form__textarea:focus~.contact-form__label,
.contact-form__textarea:not(:placeholder-shown)~.contact-form__label,
.contact-form__select:focus~.contact-form__label,
.contact-form__select.has-value~.contact-form__label {
  transform: translateY(-0.65rem) scale(0.8);
  color: var(--primary);
  font-weight: 700;
}

/* Input Focus Glow & Outline */
.contact-form__input:focus,
.contact-form__select:focus,
.contact-form__textarea:focus {
  background: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(76, 123, 209, 0.2), 0 8px 20px -6px rgba(47, 90, 168, 0.15);
}

/* Select Arrow Styling */
.contact-form__group--select {
  position: relative;
}

.contact-form__select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.contact-form__select-icon {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--muted);
  pointer-events: none;
  transition: transform 0.3s ease, color 0.3s ease;
}

.contact-form__select:focus~.contact-form__select-icon {
  transform: translateY(-50%) rotate(180deg);
  color: var(--primary);
}

/* Form Validation Errors */
.contact-form__error {
  font-size: 0.78rem;
  color: #E53935;
  font-weight: 600;
  margin-top: 0.35rem;
  display: none;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.contact-form__group--error .contact-form__input,
.contact-form__group--error .contact-form__select,
.contact-form__group--error .contact-form__textarea {
  border-color: #E53935;
  background: rgba(229, 57, 53, 0.03);
}

.contact-form__group--error .contact-form__error {
  display: block;
  opacity: 1;
}

/* Form Footer & Button */
.contact-form__footer {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-top: 0.5rem;
}

.contact-form__btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  padding: 1.1rem 2rem;
  border: none;
  border-radius: 14px;
  background: var(--gradient-brand);
  color: #ffffff;
  font-family: 'Outfit', sans-serif;
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.contact-form__btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent);
  background: var(--gradient-cta);
}

.contact-form__btn:active {
  transform: translateY(0);
}

.contact-form__btn-icon-box {
  display: flex;
  align-items: center;
  transition: transform 0.3s ease;
}

.contact-form__btn-icon {
  width: 20px;
  height: 20px;
}

.contact-form__btn:hover .contact-form__btn-icon-box {
  transform: translateX(4px);
}

/* Button Loading Spinner State */
.contact-form__spinner {
  display: none;
  width: 22px;
  height: 22px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.contact-form__btn--loading .contact-form__btn-text,
.contact-form__btn--loading .contact-form__btn-icon-box {
  display: none;
}

.contact-form__btn--loading .contact-form__spinner {
  display: inline-block;
}

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

.contact-form__privacy {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--muted);
  text-align: center;
}

.contact-form__privacy svg {
  width: 14px;
  height: 14px;
  color: var(--accent);
}

/* Inline Alert Feedback */
.contact-form__alert {
  padding: 1rem 1.2rem;
  border-radius: 12px;
  font-size: 0.92rem;
  font-weight: 600;
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.contact-form__alert--success {
  display: block;
  background: rgba(24, 168, 91, 0.12);
  border: 1px solid rgba(24, 168, 91, 0.3);
  color: #0E6937;
}

.contact-form__alert--error {
  display: block;
  background: rgba(229, 57, 53, 0.08);
  border: 1px solid rgba(229, 57, 53, 0.3);
  color: #A51D1D;
}



/* ==========================================================================
   6. Section 3: Google Map
   ========================================================================== */
.map-section {
  width: 100%;
}

.map-section__container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.map-section__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.map-section__tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary);
}

.map-section__title {
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  color: var(--charcoal);
}

.map-section__subtitle {
  font-size: 0.95rem;
  color: var(--muted);
}

.map-section__card {
  position: relative;
  width: 100%;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-card-hover);
  border: 1px solid var(--border);
  background: var(--bg);
}


.map-section__iframe-wrapper {
  width: 100%;
  height: 440px;
  line-height: 0;
}

.map-section__iframe {
  width: 100%;
  height: 100%;
  filter: contrast(1.02) saturate(1.05);
}


/* ==========================================================================
   8. Animation Triggers & Utility Classes
   ========================================================================== */
.js-scroll-fade-up,
.js-scroll-fade-left,
.js-scroll-fade-right,
.js-scroll-zoom {
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.js-scroll-fade-up {
  transform: translateY(40px);
}

.js-scroll-fade-left {
  transform: translateX(40px);
}

.js-scroll-fade-right {
  transform: translateX(-40px);
}

.js-scroll-zoom {
  transform: scale(0.94);
}

.is-visible.js-scroll-fade-up,
.is-visible.js-scroll-fade-left,
.is-visible.js-scroll-fade-right {
  opacity: 1;
  transform: translate(0);
}

.is-visible.js-scroll-zoom {
  opacity: 1;
  transform: scale(1);
}


/* ==========================================================================
   9. Responsive Media Queries
   ========================================================================== */

/* Laptop (1024px) */
@media (max-width: 1024px) {
  .contact__container {
    grid-template-columns: minmax(0, 48fr) minmax(0, 52fr);
    gap: 1.8rem;
  }
}

/* Tablet (992px) */
@media (max-width: 992px) {
  .contact__container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .contact-info {
    order: 2;
  }

  .contact-form-wrapper {
    order: 1;
  }

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

/* Tablet Small (768px) */
@media (max-width: 768px) {
  .contact-info__grid {
    grid-template-columns: 1fr;
  }

  .contact-form__body {
    grid-template-columns: 1fr;
  }

  .contact-form__group--full {
    grid-column: 1;
  }

  .toast {
    max-width: 100%;
  }
}

/* Mobile (576px & below) */
@media (max-width: 576px) {
  .contact-form {
    padding: 1.5rem 1.1rem;
    border-radius: 18px;
  }

  .contact-card {
    padding: 1.25rem;
  }

  .map-section__card {
    border-radius: 18px;
  }

  .map-section__iframe-wrapper {
    height: 360px;
  }
}

/* Mobile Small (480px, 390px, 360px, 320px) */
@media (max-width: 480px) {
  .contact-info__heading {
    font-size: 1.5rem;
  }

  .contact-form__title {
    font-size: 1.5rem;
  }

  .contact-form__btn {
    padding: 1rem 1.2rem;
    font-size: 1rem;
  }
}

@media (max-width: 360px) {
  .contact-form {
    padding: 1.2rem 0.8rem;
  }
}