/* Reset and base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 10px;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  scroll-behavior: smooth;
  background-color: #fef6f9; /* pastel off-white */
  color: #4a4a4a; /* softer dark gray */
}

body {
  line-height: 1.8;
  background: #fef6f9;
  padding: 1rem 0;
}

/* Container */
.container {
  max-width: 1100px;
  padding: 0 3rem; /* a bit more horizontal padding */
  margin: 0 auto;
}

/* HEADER */
#header {
  position: fixed;
  top: 0;
  width: 100%;
  background: #a3cef1; /* pastel blue */
  box-shadow: 0 2px 10px rgb(0 0 0 / 0.1);
  z-index: 1000;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 8.5rem; /* slight increase for breathing space */
  padding: 0 2rem;
}

.brand h1 {
  font-size: 3.5rem;
  font-weight: 700;
  color: #ffb3ba; /* pastel pink */
  cursor: pointer;
  user-select: none;
}

.brand h1 span {
  color: #bae1ff; /* pastel light blue */
}

/* NAVIGATION */
.nav-list ul {
  list-style: none;
  display: flex;
  gap: 3.5rem;
}

.nav-list ul li a {
  font-size: 1.9rem;
  color: #8c8c8c; /* muted gray */
  text-decoration: none;
  position: relative;
  padding-bottom: 0.3rem;
  transition: color 0.3s ease;
}

.nav-list ul li a:hover,
.nav-list ul li a.active {
  color: #ffb3ba;
}

.nav-list ul li a::after {
  content: attr(data-after);
  position: absolute;
  left: 0;
  bottom: -1.6rem;
  width: 100%;
  color: #ffb3ba;
  font-size: 1.3rem;
  letter-spacing: 0.15rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nav-list ul li a:hover::after {
  opacity: 1;
}

/* HERO SECTION */
#hero {
  display: flex;
  align-items: center;
  height: 90vh;
  padding-top: 6.5rem; /* for fixed header */
  background: linear-gradient(135deg, #ffb3ba 0%, #bae1ff 100%);
  color: #4a4a4a;
  text-align: center;
  flex-direction: column;
  justify-content: center;
  gap: 2rem;
}

.hero-text h1 {
  font-size: 5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.8rem;
  color: #ff6f91; /* pastel coral */
}

.hero-text h2 {
  font-size: 2.2rem;
  font-weight: 400;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  color: #6b7280; /* soft gray */
}

.cta {
  display: inline-block;
  margin-top: 3rem;
  padding: 1.2rem 3.5rem;
  font-size: 1.9rem;
  color: #fff;
  background: #ff6f91;
  border-radius: 35px;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 10px 20px rgba(255, 111, 145, 0.4);
  transition: background-color 0.3s ease, color 0.3s ease;
}

.cta:hover {
  background-color: #e05574;
  color: white;
  box-shadow: 0 14px 25px rgba(224, 85, 116, 0.6);
}

/* ABOUT SECTION */
#about {
  padding: 7rem 0;
  background: #fff0f6; /* very light pastel pink */
  display: flex;
  justify-content: center;
}

.about {
  display: flex;
  gap: 5rem;
  flex-wrap: wrap;
  align-items: center;
}

.col-left,
.col-right {
  flex: 1 1 400px;
}

.about-img-placeholder {
  background: #ffd6e8; /* pastel pink */
  height: 100px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #d6336c; /* deeper pink */
  font-weight: 700;
  box-shadow: 0 8px 20px rgb(214 51 108 / 0.2);
}

.section-title {
  font-size: 3.4rem;
  font-weight: 700;
  color: #d6336c;
  margin-bottom: 2rem;
}

.section-title span {
  color: #ff6f91;
}

.col-right h2 {
  font-size: 2.2rem;
  color: #ff6f91;
  margin-bottom: 2rem;
  font-weight: 700;
}

.col-right p {
  font-size: 1.7rem;
  color: #6b7280;
  line-height: 1.8;
  margin-bottom: 3.5rem;
}

.col-right ul {
  list-style: none;
  font-size: 1.7rem;
  color: #4a4a4a;
}

.col-right ul li {
  margin-bottom: 1.3rem;
}

/* SERVICES SECTION */
#services {
  background: #f0faff; /* pastel very light blue */
  padding: 7rem 0;
}

.service-top {
  text-align: center;
  margin-bottom: 5rem;
}

.service-bottom {
  display: flex;
  gap: 4rem;
  flex-wrap: wrap;
  justify-content: center;
}

.service-item {
  background: white;
  flex: 1 1 280px;
  padding: 3rem 2.5rem;
  border-radius: 15px;
  box-shadow: 0 8px 25px rgb(0 0 0 / 0.07);
  text-align: center;
  transition: transform 0.3s ease;
  cursor: default;
}

.service-item:hover {
  transform: translateY(-12px);
  box-shadow: 0 14px 30px rgb(255 111 145 / 0.3);
}

.icon-placeholder {
  font-size: 4rem;
  background-color: #ff6f91;
  color: white;
  width: 90px;
  height: 90px;
  margin: 0 auto 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  user-select: none;
}

.service-item h2 {
  font-size: 2.4rem;
  margin-bottom: 1.3rem;
  color: #d6336c;
}

.service-item p {
  font-size: 1.5rem;
  color: #6b7280;
  line-height: 1.6;
}

/* PROJECTS SECTION */
#projects {
  padding: 7rem 0;
  background: #fff0f6;
}

.projects-header {
  text-align: center;
  margin-bottom: 4rem;
}

.all-projects {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.project-item {
  display: flex;
  gap: 3rem;
  align-items: center;
  flex-wrap: wrap;
}

.project-info {
  flex: 1 1 450px;
}

.project-info h1 {
  font-size: 2.6rem;
  margin-bottom: 1.3rem;
  color: #ff6f91;
}

.project-info p {
  font-size: 1.6rem;
  color: #4a4a4a;
  line-height: 1.7;
}

.project-img-placeholder {
  flex: 1 1 320px;
  height: 190px;
  background: #ffd6e8;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #d6336c;
  font-size: 2rem;
  box-shadow: 0 8px 20px rgb(214 51 108 / 0.18);
}

/* CERTIFICATES SECTION */
#projects1 {
  background: #f0faff;
  padding: 7rem 0;
}

.projects1-header {
  text-align: center;
  margin-bottom: 4rem;
}

.all-projects1 {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  justify-content: center;
}

.project1-item {
  background: white;
  border-radius: 15px;
  box-shadow: 0 8px 25px rgb(0 0 0 / 0.07);
  padding: 2rem;
  width: 320px;
  text-align: center;
  cursor: default;
  transition: transform 0.3s ease;
}

.project1-item:hover {
  transform: translateY(-12px);
  box-shadow: 0 14px 30px rgb(255 111 145 / 0.3);
}

.project1-info h1 {
  font-size: 1.7rem;
  color: #ff6f91;
  margin-bottom: 1.3rem;
}

.project1-img-placeholder {
  height: 190px;
  background: #ffd6e8;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #d6336c;
  font-weight: 700;
  font-size: 1.7rem;
}

/* CONTACT SECTION */
#contact {
  padding: 7rem 0;
  background: white;
  text-align: center;
}

.contact .section-title {
  margin-bottom: 5rem;
  color: #ff6f91;
}

.contact-items {
  display: flex;
  justify-content: center;
  gap: 5rem;
  flex-wrap: wrap;
}

.contact-item {
  background: #fff0f6;
  border-radius: 15px;
  padding: 2.5rem 3.5rem;
  width: 300px;
  display: flex;
  align-items: center;
  gap: 2rem;
  box-shadow: 0 6px 18px rgb(0 0 0 / 0.04);
  transition: background-color 0.3s ease, color 0.3s ease;
}

.contact-item:hover {
  background-color: #ff6f91;
  color: white;
}

.icon-placeholder {
  font-size: 2.8rem;
  min-width: 50px;
  min-height: 50px;
  border-radius: 50%;
  background-color: #d6336c;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

.contact-info h1 {
  font-size: 1.7rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.contact-info h2 {
  font-size: 1.5rem;
  font-weight: 600;
}

/* FOOTER */
#footer {
  background-color: #a3cef1;
  color: #4a4a4a;
  padding: 4rem 0;
  text-align: center;
}

.footer .brand h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: #ffb3ba;
}

.footer .brand h1 span {
  color: #bae1ff;
}

.social-icon {
  margin-bottom: 2rem;
}

.social-item {
  font-size: 2.6rem;
  margin: 0 1rem;
  color: #6b7280;
  text-decoration: none;
  transition: color 0.3s ease;
  user-select: none;
}

.social-item:hover {
  color: #ff6f91;
}

.footer p {
  font-size: 1.4rem;
  color: #8c8c8c;
}

/* Responsive */
@media (max-width: 900px) {
  .about,
  .project-item {
    flex-direction: column;
    gap: 3rem;
  }

  .nav-list ul {
    gap: 2rem;
  }
}