/* ==========================================================================
   BrainX Solutions — Contact Page
   Fully responsive desktop, tablet and mobile layout
   ========================================================================== */

:root {
  --cx-red: var(--red, #e14b3a);
  --cx-red-dark: var(--red-dark, #c73a2a);
  --cx-red-light: var(--red-light, #f05a4a);
  --cx-ink: var(--ink, #0b0d14);
  --cx-charcoal: var(--charcoal, #3d4350);
  --cx-gray: var(--color-gray, #737987);
  --cx-line: var(--line, #e8eaf0);
  --cx-white: var(--white, #ffffff);
  --cx-paper: var(--paper-alt, #f7f8fb);
  --cx-success: #2fb86b;
  --cx-error: #c62828;
  --cx-radius: 28px;
  --cx-radius-small: 18px;
  --cx-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --cx-font-mono: var(
    --font-mono,
    "JetBrains Mono",
    "SF Mono",
    monospace
  );
  --cx-font-body: var(
    --font-body,
    var(
      --font-sans,
      -apple-system,
      BlinkMacSystemFont,
      "Segoe UI",
      sans-serif
    )
  );
  --cx-shadow: 0 24px 70px rgba(7, 9, 20, 0.13);
  --cx-shadow-soft: 0 16px 42px rgba(7, 9, 20, 0.08);
}

/* ================= Base ================= */

.contact-page {
  width: 100%;
  min-width: 0;
  overflow-x: clip;
  background: var(--cx-white);
  color: var(--cx-ink);
}

.contact-page *,
.contact-page *::before,
.contact-page *::after {
  box-sizing: border-box;
}

.contact-page img,
.contact-page iframe,
.contact-page input,
.contact-page select,
.contact-page textarea,
.contact-page button {
  max-width: 100%;
}

.contact-page h1,
.contact-page h2,
.contact-page h3,
.contact-page p,
.contact-page a,
.contact-page label,
.contact-page span {
  overflow-wrap: anywhere;
}

.contact-page .container {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
  padding-inline: 0;
}

/* ================= Hero ================= */

.contact-hero {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 460px;
  padding: clamp(88px, 11vw, 132px) 0 clamp(64px, 8vw, 96px);
  overflow: hidden;
  text-align: center;
  background:
    radial-gradient(
      circle at 14% 20%,
      rgba(225, 75, 58, 0.3),
      transparent 30%
    ),
    radial-gradient(
      circle at 86% 12%,
      rgba(255, 255, 255, 0.16),
      transparent 28%
    ),
    radial-gradient(
      circle at 78% 88%,
      rgba(225, 75, 58, 0.16),
      transparent 32%
    ),
    linear-gradient(135deg, #131a2a 0%, #202738 48%, #21121b 100%);
}

.contact-hero-bg {
  position: absolute;
  z-index: -2;
  inset: 0;
  opacity: 0.26;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.06) 1px,
      transparent 1px
    );
  background-size: 54px 54px;
  -webkit-mask-image: radial-gradient(
    80% 65% at 50% 25%,
    #000 0%,
    transparent 78%
  );
  mask-image: radial-gradient(
    80% 65% at 50% 25%,
    #000 0%,
    transparent 78%
  );
}

.contact-hero::before,
.contact-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
}

.contact-hero::before {
  top: -8%;
  right: -10%;
  width: clamp(240px, 40vw, 520px);
  height: clamp(240px, 40vw, 520px);
  background: rgba(225, 75, 58, 0.24);
}

.contact-hero::after {
  bottom: -12%;
  left: -10%;
  width: clamp(220px, 34vw, 420px);
  height: clamp(220px, 34vw, 420px);
  background: rgba(255, 255, 255, 0.12);
}

.contact-hero-container {
  display: flex;
  justify-content: center;
}

.contact-hero-content {
  width: 100%;
  max-width: 760px;
  margin-inline: auto;
}

.contact-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  max-width: 100%;
  padding: 9px 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(255, 255, 255, 0.08);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.contact-badge > span {
  width: 9px;
  height: 9px;
  flex: 0 0 9px;
  border-radius: 50%;
  background: var(--cx-red);
  box-shadow: 0 0 0 6px rgba(225, 75, 58, 0.18);
}

.contact-hero h1 {
  margin: 22px auto 18px;
  color: #ffffff;
  font-size: clamp(2.3rem, 5.4vw, 4.2rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.contact-hero p {
  max-width: 640px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1rem, 1.5vw, 1.14rem);
  line-height: 1.75;
}

/* ================= Contact Section ================= */

.contact-section {
  padding: clamp(64px, 9vw, 110px) 0;
  background:
    radial-gradient(
      circle at 0% 0%,
      rgba(225, 75, 58, 0.06),
      transparent 30%
    ),
    linear-gradient(180deg, #ffffff 0%, var(--cx-paper) 100%);
}

.contact-main-grid {
  display: grid;
  grid-template-columns: minmax(280px, 380px) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
  width: 100%;
  min-width: 0;
}

/* ================= Contact information ================= */

.contact-info-block {
  position: relative;
  min-width: 0;
  padding: clamp(30px, 3.4vw, 44px);
  overflow: hidden;
  border-radius: var(--cx-radius);
  color: #ffffff;
  background:
    radial-gradient(
      circle at 15% 10%,
      rgba(225, 75, 58, 0.28),
      transparent 40%
    ),
    linear-gradient(150deg, #0e111c 0%, #171c2c 60%, #1c1219 100%);
  box-shadow: var(--cx-shadow);
}

.contact-info-block::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.07) 1px,
      transparent 1px
    );
  background-size: 42px 42px;
  pointer-events: none;
}

.contact-info-block > * {
  position: relative;
  z-index: 1;
}

.contact-info-block h2 {
  margin: 0 0 26px;
  color: #ffffff;
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.contact-info-item {
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-info-item:first-of-type {
  padding-top: 0;
}

.contact-info-item h3,
.contact-social-links h3 {
  margin: 0 0 8px;
  color: var(--cx-red-light);
  font-family: var(--cx-font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-info-item p {
  margin: 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: 15px;
  line-height: 1.6;
}

.contact-info-item a {
  color: rgba(255, 255, 255, 0.94);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
  transition:
    color 0.25s var(--cx-ease),
    border-color 0.25s var(--cx-ease);
}

.contact-info-item a:hover,
.contact-info-item a:focus-visible {
  color: var(--cx-red-light);
  border-color: var(--cx-red-light);
}

.contact-social-links {
  margin-top: 24px;
  padding-top: 4px;
}

.contact-social-links h3 {
  color: rgba(255, 255, 255, 0.6);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 9px 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition:
    transform 0.25s var(--cx-ease),
    color 0.25s var(--cx-ease),
    background 0.25s var(--cx-ease),
    border-color 0.25s var(--cx-ease);
}

.social-links a:hover,
.social-links a:focus-visible {
  color: #ffffff;
  border-color: var(--cx-red);
  background: var(--cx-red);
  transform: translateY(-2px);
}

/* ================= Contact form ================= */

.contact-form-block {
  width: 100%;
  min-width: 0;
  padding: clamp(30px, 3.4vw, 44px);
  border: 1px solid var(--cx-line);
  border-radius: var(--cx-radius);
  background: var(--cx-white);
  box-shadow: var(--cx-shadow-soft);
}

.contact-form-block h2 {
  margin: 0 0 26px;
  color: var(--cx-ink);
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 16px;
  width: 100%;
  min-width: 0;
}

.form-group,
.contact-form .form-group {
  width: 100%;
  min-width: 0;
  margin: 0;
}

.form-group-full,
.contact-form .contact-btn {
  grid-column: 1 / -1;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--cx-ink);
  font-size: 13.5px;
  font-weight: 700;
}

.form-group input,
.form-group select,
.form-group textarea {
  display: block;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  margin: 0;
  padding: 13px 16px;
  border: 1.5px solid var(--cx-line);
  border-radius: var(--cx-radius-small);
  color: var(--cx-ink);
  background: var(--cx-white);
  font-family: var(--cx-font-body);
  font-size: 16px;
  line-height: 1.45;
  transition:
    border-color 0.2s var(--cx-ease),
    box-shadow 0.2s var(--cx-ease);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--cx-gray);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--cx-red);
  box-shadow: 0 0 0 4px rgba(225, 75, 58, 0.12);
}

.form-group select {
  padding-right: 44px;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9' fill='none'%3E%3Cpath d='M1 1L7 7L13 1' stroke='%233D4350' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
  line-height: 1.6;
}

.field-error {
  display: block;
  margin-top: 7px;
  color: var(--cx-error);
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.4;
}

.form-errors {
  margin-bottom: 22px;
  padding: 18px 20px;
  border: 1px solid rgba(198, 40, 40, 0.2);
  border-radius: 14px;
  color: #8f1d1d;
  background: rgba(198, 40, 40, 0.06);
}

.form-errors h3 {
  margin: 0 0 8px;
  font-size: 15px;
}

.form-errors ul {
  margin: 0;
  padding-left: 20px;
}

.form-errors li {
  margin: 4px 0;
  font-size: 13px;
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-width: 0;
  min-height: 52px;
  margin-top: 4px;
  padding: 14px 28px;
  border: 0;
  border-radius: 999px;
  color: #ffffff;
  background: linear-gradient(
    135deg,
    var(--cx-red) 0%,
    var(--cx-red-dark) 100%
  );
  box-shadow: 0 16px 34px rgba(225, 75, 58, 0.26);
  font-family: var(--cx-font-body);
  font-size: 0.96rem;
  font-weight: 800;
  cursor: pointer;
  transition:
    transform 0.25s var(--cx-ease),
    box-shadow 0.25s var(--cx-ease),
    filter 0.25s var(--cx-ease);
}

.contact-btn:hover,
.contact-btn:focus-visible {
  filter: brightness(1.05);
  box-shadow: 0 20px 42px rgba(225, 75, 58, 0.32);
  transform: translateY(-3px);
}

.contact-btn:active {
  transform: translateY(-1px);
}

/* ================= Success state ================= */

.form-success {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 28px;
  border: 1px solid rgba(47, 184, 107, 0.28);
  border-radius: var(--cx-radius-small);
  background: rgba(47, 184, 107, 0.08);
}

.form-success h3 {
  margin: 0;
  color: var(--cx-success);
  font-size: 1.15rem;
  line-height: 1.3;
}

.form-success p {
  margin: 0;
  color: var(--cx-charcoal);
  font-size: 14.5px;
  line-height: 1.7;
}

/* ================= Map section ================= */

.contact-map-section {
  padding: clamp(64px, 9vw, 110px) 0;
  background: var(--cx-white);
}

.contact-map-wrapper {
  display: grid;
  grid-template-columns: minmax(240px, 360px) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: center;
  width: 100%;
  min-width: 0;
}

.contact-map-content {
  min-width: 0;
  padding-left: 22px;
  border-left: 3px solid var(--cx-red);
}

.contact-map-content h2 {
  margin: 0 0 14px;
  color: var(--cx-ink);
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.contact-map-content p {
  margin: 0;
  color: var(--cx-charcoal);
  font-size: 15px;
  line-height: 1.75;
}

.contact-map {
  position: relative;
  width: 100%;
  min-width: 0;
  height: clamp(280px, 34vw, 380px);
  overflow: hidden;
  border-radius: var(--cx-radius-small);
  background: var(--cx-line);
  box-shadow: var(--cx-shadow-soft);
}

.contact-map iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ================= Large tablets ================= */

@media (max-width: 1080px) {
  .contact-main-grid {
    grid-template-columns: minmax(260px, 330px) minmax(0, 1fr);
  }

  .contact-map-wrapper {
    grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.5fr);
  }
}

/* ================= Tablets ================= */

@media (max-width: 900px) {
  .contact-main-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .contact-info-block,
  .contact-form-block {
    width: 100%;
    max-width: 680px;
    margin-inline: auto;
  }

  .contact-map-wrapper {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }

  .contact-map-content {
    max-width: 680px;
    margin-inline: auto;
    padding: 18px 0 0;
    border-top: 3px solid var(--cx-red);
    border-left: 0;
    text-align: center;
  }

  .contact-map {
    max-width: 680px;
    margin-inline: auto;
  }
}

/* ================= Mobile ================= */

@media (max-width: 720px) {
  .contact-page .container {
    width: min(100% - 28px, 1180px);
    width: min(1180px, calc(100% - 28px));
  }

  .contact-hero {
    min-height: auto;
    padding: 66px 0 48px;
    background:
      radial-gradient(
        circle at 20% 10%,
        rgba(225, 75, 58, 0.28),
        transparent 32%
      ),
      radial-gradient(
        circle at 85% 18%,
        rgba(255, 255, 255, 0.16),
        transparent 28%
      ),
      linear-gradient(160deg, #182032 0%, #252b3b 52%, #251622 100%);
  }

  .contact-badge {
    padding: 8px 12px;
    font-size: 0.68rem;
    letter-spacing: 0.08em;
  }

  .contact-hero h1 {
    margin-top: 18px;
    font-size: clamp(2rem, 10vw, 2.9rem);
    line-height: 1.08;
    letter-spacing: -0.03em;
  }

  .contact-hero p {
    font-size: 0.96rem;
    line-height: 1.7;
  }

  .contact-section,
  .contact-map-section {
    padding: 56px 0;
  }

  .contact-info-block,
  .contact-form-block {
    max-width: none;
    padding: 26px 22px;
    border-radius: 24px;
  }

  .contact-info-block h2,
  .contact-form-block h2 {
    margin-bottom: 20px;
    font-size: 1.24rem;
  }

  .contact-form {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .form-group-full,
  .contact-form .contact-btn {
    grid-column: auto;
  }

  .contact-btn {
    min-height: 50px;
    font-size: 0.92rem;
  }

  .contact-map-wrapper {
    gap: 22px;
  }

  .contact-map-content h2 {
    font-size: 1.5rem;
  }

  .contact-map {
    height: 270px;
    border-radius: 18px;
  }
}

/* ================= Small mobile ================= */

@media (max-width: 480px) {
  .contact-page .container {
    width: min(1180px, calc(100% - 24px));
  }

  .contact-hero {
    padding: 58px 0 42px;
  }

  .contact-hero h1 {
    font-size: clamp(1.85rem, 11vw, 2.4rem);
  }

  .contact-hero p {
    font-size: 0.92rem;
  }

  .contact-info-block,
  .contact-form-block {
    padding: 22px 18px;
    border-radius: 20px;
  }

  .contact-info-item p {
    font-size: 14px;
  }

  .form-group label {
    font-size: 13px;
  }

  .form-group input,
  .form-group select,
  .form-group textarea {
    padding: 12px 14px;
    font-size: 16px;
  }

  .form-group select {
    padding-right: 42px;
    background-position: right 14px center;
  }

  .social-links {
    gap: 8px;
  }

  .social-links a {
    flex: 1 1 auto;
    padding: 8px 12px;
    font-size: 12.5px;
  }

  .contact-map {
    height: 230px;
  }

  .form-success,
  .form-errors {
    padding: 20px;
  }
}

/* ================= Very small mobile ================= */

@media (max-width: 360px) {
  .contact-page .container {
    width: min(1180px, calc(100% - 20px));
  }

  .contact-hero h1 {
    font-size: 1.72rem;
  }

  .contact-info-block,
  .contact-form-block {
    padding: 20px 15px;
  }

  .contact-info-item h3,
  .contact-social-links h3 {
    font-size: 10.5px;
  }

  .contact-info-item p {
    font-size: 13.5px;
  }

  .social-links a {
    flex-basis: 100%;
  }

  .contact-btn {
    font-size: 0.88rem;
  }
}

/* ================= Accessibility ================= */

.contact-page a:focus-visible,
.contact-page button:focus-visible,
.contact-page input:focus-visible,
.contact-page select:focus-visible,
.contact-page textarea:focus-visible {
  outline: 2px solid var(--cx-red);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .contact-btn,
  .social-links a,
  .form-group input,
  .form-group select,
  .form-group textarea {
    transition: none !important;
  }
}