:root {
  --cyan-900: #0a3d4a;
  --cyan-800: #0d5c6e;
  --cyan-700: #117a8f;
  --cyan-600: #189ab4;
  --cyan-500: #22b8cf;
  --cyan-400: #3dcedb;
  --cyan-300: #7ee0ea;
  --cyan-100: #e6f9fb;
  --yellow: #ffe600;
  --yellow-dark: #e6cf00;
  --gray-900: #1a1a1a;
  --gray-700: #333;
  --gray-500: #666;
  --gray-200: #e5e5e5;
  --white: #ffffff;
  --max-width: 1100px;
  --radius: 8px;
  --shadow: 0 4px 20px rgba(10, 61, 74, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: var(--gray-900);
  background: var(--white);
}

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

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--cyan-900);
  color: var(--white);
  padding: 0.9rem 1.5rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--white);
}

/* Temporary triangle logo placeholder – replace with your real SVG/PNG later */
.logo-mark {
  width: 0;
  height: 0;
  border-left: 11px solid transparent;
  border-right: 11px solid transparent;
  border-bottom: 19px solid var(--yellow);
  flex-shrink: 0;
}

.logo span {
  color: var(--yellow);
}

nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

nav a {
  font-size: 0.95rem;
  font-weight: 500;
  opacity: 0.9;
  transition: opacity 0.2s, color 0.2s;
}

nav a:hover {
  opacity: 1;
  color: var(--yellow);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--cyan-900) 0%, var(--cyan-700) 100%);
  color: var(--white);
  padding: 5rem 1.5rem 4.5rem;
  text-align: center;
}

.hero-inner {
  max-width: 780px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(1.9rem, 5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.92;
  margin-bottom: 2rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.btn {
  display: inline-block;
  padding: 0.85rem 1.7rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--yellow);
  color: var(--cyan-900);
  box-shadow: 0 4px 14px rgba(255, 230, 0, 0.35);
}

.btn-primary:hover {
  background: var(--yellow-dark);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.5);
  margin-left: 0.75rem;
}

.btn-secondary:hover {
  border-color: var(--yellow);
  color: var(--yellow);
}

/* Sections shared */
section {
  padding: 4.5rem 1.5rem;
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

h2 {
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--cyan-900);
  margin-bottom: 0.6rem;
  letter-spacing: -0.02em;
}

.section-lead {
  color: var(--gray-500);
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
}

/* Services */
#services {
  background: var(--cyan-100);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--cyan-600);
  transition: transform 0.2s;
}

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

.service-card h3 {
  font-size: 1.15rem;
  color: var(--cyan-800);
  margin-bottom: 0.6rem;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--gray-700);
}

/* Process */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  counter-reset: step;
}

.step {
  position: relative;
  padding-left: 3rem;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.2rem;
  height: 2.2rem;
  background: var(--cyan-600);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
}

.step h3 {
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
  color: var(--cyan-800);
}

.step p {
  font-size: 0.92rem;
  color: var(--gray-700);
}

/* Portfolio */
#portfolio {
  background: var(--white);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.portfolio-item {
  background: var(--cyan-100);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.portfolio-placeholder {
  height: 180px;
  background: linear-gradient(135deg, var(--cyan-600), var(--cyan-400));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 600;
  font-size: 0.95rem;
}

.portfolio-item .caption {
  padding: 1rem 1.25rem;
  font-size: 0.9rem;
  color: var(--gray-700);
}

/* About */
#about {
  background: var(--cyan-100);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 700px) {
  .about-content {
    grid-template-columns: 1fr;
  }
}

.about-badge {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  text-align: center;
}

.about-badge .degree {
  font-weight: 700;
  color: var(--cyan-800);
  margin-bottom: 0.4rem;
}

.about-badge .school {
  font-size: 0.9rem;
  color: var(--gray-500);
}

/* Pricing */
#pricing .packages {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.package {
  background: var(--white);
  border: 2px solid var(--cyan-200);
  border-radius: var(--radius);
  padding: 1.75rem;
  text-align: center;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.package:hover,
.package.featured {
  border-color: var(--cyan-600);
  box-shadow: var(--shadow);
}

.package.featured {
  border-width: 3px;
  position: relative;
}

.package.featured::after {
  content: "Most requested";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--yellow);
  color: var(--cyan-900);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
}

.package h3 {
  color: var(--cyan-800);
  margin-bottom: 0.4rem;
}

.package .price {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--cyan-900);
  margin: 0.75rem 0;
}

.package ul {
  list-style: none;
  text-align: left;
  margin: 1.25rem 0;
  font-size: 0.92rem;
  color: var(--gray-700);
}

.package ul li {
  padding: 0.3rem 0;
  padding-left: 1.2rem;
  position: relative;
}

.package ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--cyan-600);
  font-weight: 700;
}

/* Contact */
#contact {
  background: linear-gradient(135deg, var(--cyan-800), var(--cyan-900));
  color: var(--white);
  text-align: center;
}

#contact h2 {
  color: var(--white);
}

#contact .section-lead {
  color: rgba(255,255,255,0.85);
  margin-left: auto;
  margin-right: auto;
}

.contact-note {
  font-size: 0.95rem;
  opacity: 0.9;
  margin-top: 1.5rem;
}

/* Footer */
footer {
  background: var(--cyan-900);
  color: rgba(255,255,255,0.7);
  padding: 2rem 1.5rem;
  text-align: center;
  font-size: 0.9rem;
}

footer a {
  color: var(--yellow);
}

.mt-2 { margin-top: 2rem; }