:root {
  /* Core */
  --black: #0A0A0A;
  --dark-gray: #141414;
  --mid-gray: #141A1A;

  /* Light surfaces */
  --light-gray: #BBBDB9;
  --soft-gray: #CFCFCF;

  /* Text */
  --text-primary: #0A0A0A;
  --text-secondary: #4B4B4B;
  --text-inverted: #A6A7A2;

  /* UI */
  --border: #D1D1D1;
  --shadow: rgba(0,0,0,0.08);
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--mid-gray);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  padding-top: 140px;
}

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

/* =========================
   HEADER
   ========================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--black);
  z-index: 1000;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.3rem 0;
}

.header,
.header .container,
.logo,
.logo-title {
  transition: all 0.3s ease;
}

.header.shrink .container {
  padding: 0.6rem 0;
}

.header.shrink .logo {
  max-height: 70px;
}

.header.shrink .logo-title {
  font-size: 1.2rem;
  opacity: 0;
  visibility: hidden;
}

.logo-text {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-inverted);
}

.logo {
  height: auto;
  max-height: 120px;
  width: auto;
  display: block;
}

.logo-title {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--text-inverted);
  white-space: nowrap;
}

nav a {
  color: var(--text-inverted);
  margin-left: 1.6rem;
  font-weight: 500;
  opacity: 0.8;
}

nav a:hover {
  opacity: 1;
}
/* FORM SECTION */
.contact {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 0;
}

.form-container {
  width: 90%;
  max-width: 560px;
  background: var(--light-gray);
  padding: 3rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px var(--shadow);
}

h1 {
  font-size: 2rem;
  margin-bottom: 0.6rem;
  color: var(--text-primary);
  font-weight: 700;
}

.form-container p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.5;
}

form {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

label {
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  display: block;
  color: var(--text-primary);
  font-weight: 500;
}

input,
textarea,
select {
  width: 100%;
  padding: 0.75rem;
  background: #ffffff;
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: 6px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--text-secondary);
  box-shadow: 0 0 0 3px rgba(75, 75, 75, 0.1);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.btn {
  margin-top: 1rem;
  background: var(--black);
  color: var(--text-inverted);
  border: none;
  padding: 0.8rem 1.8rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn:hover {
  background: var(--dark-gray);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .contact {
    padding: 2.5rem 0;
  }

  .form-container {
    padding: 2rem 1.5rem;
  }

  h1 {
    font-size: 1.7rem;
  }
}

@media (max-width: 480px) {
  .contact {
    padding: 2rem 0;
  }

  .form-container {
    padding: 1.8rem 1.2rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  .form-container p {
    font-size: 0.9rem;
  }

  input,
  textarea,
  select {
    padding: 0.7rem;
    font-size: 0.9rem;
  }

  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
  }
}

/* =========================
   RESPONSIVE MEDIA QUERIES
   ========================= */

/* Tablet - 1024px and below */
@media (max-width: 1024px) {
  .header .container {
    padding: 1.2rem 0;
  }

  .logo {
    max-height: 90px;
  }

  .header.shrink .logo {
    max-height: 65px;
  }

  .logo-title {
    font-size: 1.4rem;
  }

  nav a {
    margin-left: 1.rem;
    font-size: 0.95rem;
  }

  .contact {
    padding: 3.5rem 0;
  }

  .form-container {
    max-width: 520px;
    padding: 2.8rem;
  }

  h1 {
    font-size: 1.9rem;
  }
}

/* Mobile - 768px and below */
@media (max-width: 768px) {
 .header .container {
    padding: 1.5rem 1rem;
    flex-direction: column;
    gap: 1rem;
  }

   .logo-text {
    flex-direction: column;
    gap: 0.3rem;
  }

  .logo {
    max-height: 80px;
  }

  .header.shrink .logo {
    max-height: 50px;
  }

  .logo-title {
    font-size: 1.1rem;
  }

  .header.shrink .logo-title {
    opacity: 0;
    visibility: hidden;
  }

  nav {
    width: 100%;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.8rem;
  }

  nav a {
    margin: 0;
    font-size: 0.9rem;
  }

  .contact {
    padding: 2.5rem 1rem;
  }

  .form-container {
    max-width: 100%;
    padding: 2.2rem 1.8rem;
  }

  h1 {
    font-size: 1.75rem;
  }

  .form-container p {
    font-size: 0.93rem;
  }

  label {
    font-size: 0.88rem;
  }

  input,
  textarea,
  select {
    padding: 0.72rem;
    font-size: 0.93rem;
  }

  .btn {
    padding: 0.78rem 1.7rem;
  }
}

/* Small Mobile - 480px and below */
@media (max-width: 480px) {
  .header .container {
    padding: 1rem 0;
    gap: 0.8rem;
  }

  .logo {
    max-height: 65px;
  }

  .header.shrink .logo {
    max-height: 50px;
  }

  .logo-title {
    font-size: 1.1rem;
  }

  .header.shrink .logo-title {
    font-size: 0.9rem;
  }

  nav a {
    margin: 0 0.6rem;
    font-size: 0.85rem;
  }

  .contact {
    padding: 2rem 0.8rem;
  }

  .form-container {
    padding: 2rem 1.4rem;
  }

  h1 {
    font-size: 1.6rem;
  }

  .form-container p {
    font-size: 0.9rem;
    margin-bottom: 1.7rem;
  }

  form {
    gap: 1.3rem;
  }

  label {
    font-size: 0.86rem;
  }

  input,
  textarea,
  select {
    padding: 0.7rem;
    font-size: 0.9rem;
  }

  textarea {
    min-height: 110px;
  }

  .btn {
    padding: 0.76rem 1.6rem;
    width: 100%;
  }
}

/* Extra Small - 375px and below */
@media (max-width: 375px) {
  .logo {
    max-height: 55px;
  }

  .header.shrink .logo {
    max-height: 45px;
  }

  .logo-title {
    font-size: 1rem;
  }

  .header.shrink .logo-title {
    font-size: 0.85rem;
  }

  nav a {
    font-size: 0.8rem;
    margin: 0 0.5rem;
  }

  .contact {
    padding: 1.8rem 0.6rem;
  }

  .form-container {
    padding: 1.7rem 1.2rem;
  }

  h1 {
    font-size: 1.4rem;
  }

  .form-container p {
    font-size: 0.87rem;
  }

  label {
    font-size: 0.83rem;
  }

  input,
  textarea,
  select {
    padding: 0.68rem;
    font-size: 0.87rem;
  }

  .btn {
    padding: 0.73rem 1.4rem;
    font-size: 0.9rem;
  }
}