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

body {
  font-family: "Segoe UI", Roboto, system-ui, sans-serif;
  line-height: 1.6;
  color: #1e2b37;
  background: #f4f7fa;
}

/* контейнер */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== HEADER ===== */

header {
  background: #ffffff;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(6px);
}

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

.logo img {
  height: 48px;
  width: auto;
  display: block;

}
@media(max-width:768px){
  .logo img{
    height: 38px;
  }
}

.logo {
  font-size: 1.9rem;
  font-weight: 800;
  color: #003254;
  letter-spacing: -0.5px;
}

.contact-btn {
  background: #004d73;
  color: white;
  border: none;
  padding: 12px 26px;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.25s ease;
  box-shadow: 0 8px 20px rgba(0, 77, 115, 0.25);
}

.contact-btn:hover {
  background: #002c47;
  transform: translateY(-2px);
}
.phone-number {
  display: inline-block;
  background: #111;
  color: #fff;
  padding: 10px 18px;
  border-radius: 50px;
  font-size: 16px;
  text-decoration: none;
  user-select: none;
}
/* ===== HERO ===== */

.hero {
  background: linear-gradient(145deg, #eef3f7 0%, #ffffff 100%);
  padding: 60px 0;
  text-align: center;
  border-bottom: 1px solid #e0e7ed;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  color: #003254;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.4rem;
  color: #3b4e63;
  max-width: 800px;
  margin: 0 auto 35px;
}

.btn {
  display: inline-block;
  background: #c8691e;
  color: white;
  font-weight: 700;
  padding: 16px 45px;
  border-radius: 60px;
  text-decoration: none;
  font-size: 1.1rem;
  transition: 0.25s ease;
  box-shadow: 0 15px 30px rgba(255, 122, 26, 0.3);
}

.btn:hover {
  background: #c8691e;
  transform: translateY(-3px);
}

/* ===== SECTION ===== */

section {
  padding: 80px 0;
}

h2 {
  font-size: 2.2rem;
  font-weight: 700;
  color: #003254;
  margin-bottom: 45px;
  text-align: center;
}

h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

/* ===== SERVICES ===== */

.services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.service {
  background: white;
  padding: 35px 25px;
  border-radius: 24px;
  text-align: center;
  border: 1px solid #e6eef5;
  transition: 0.3s ease;
}

.service:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 50, 84, 0.08);
}

/* ===== PORTFOLIO ===== */

.portfolio {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.portfolio img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: 20px;
  transition: 0.3s ease;
}

.portfolio img:hover {
  transform: scale(1.04);
}

/* ===== TABLE ===== */

table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: 25px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
}

th {
  background: #003254;
  color: white;
  padding: 20px;
  text-align: left;
}

td {
  padding: 18px 20px;
  border-bottom: 1px solid #eef3f8;
}

tr:last-child td {
  border-bottom: none;
}

/* ===== ADVANTAGES ===== */

.advantages {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 25px;
}

.adv {
  background: white;
  padding: 25px;
  border-radius: 20px;
  text-align: center;
  font-weight: 600;
  border: 1px solid #e6eef5;
  transition: 0.3s;
}

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

/* ===== CONTACTS + FORM ===== */

.contacts {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  background: white;
  padding: 50px;
  border-radius: 30px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.06);
}

#form input,
#form textarea {
  width: 100%;
  padding: 16px 20px;
  margin: 10px 0;
  border: 1px solid #d6e2ee;
  border-radius: 40px;
  font-size: 1rem;
  transition: 0.2s ease;
}

#form textarea {
  border-radius: 20px;
}

#form input:focus,
#form textarea:focus {
  border-color: #004d73;
  box-shadow: 0 0 0 3px rgba(0, 77, 115, 0.1);
  outline: none;
}

/* ===== TELEGRAM FLOAT BUTTON ===== */

.tg-button{
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #2AABEE;
  border: none;
  cursor: pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 10px 25px rgba(0,0,0,0.25);
  transition: all .25s ease;
  z-index:999;
}

.tg-button:hover{
  transform: scale(1.08);
  box-shadow:0 15px 35px rgba(0,0,0,0.35);
}

.tg-button img{
  width:24px;
  height:24px;
  filter: brightness(0) invert(1);
}


/* ===== FOOTER ===== */

footer {
  background: #003254;
  color: #9fb4c9;
  padding: 50px 0;
  text-align: center;
}

footer p {
  margin-top: 10px;
  font-size: 0.9rem;
}

/* ===== MOBILE ===== */

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.6rem;
  }

  .contacts {
    padding: 30px 20px;
  }
}
section p {
  margin-bottom: 18px;
  font-size: 1.05rem;
  color: #3b4e63;
}

section .container p {
  max-width: 900px;
  margin: 0 auto 20px;
  line-height: 1.7;
}