/* ===== RESET & BASE ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: #0A0A0A;
  color: #FFFFFF;
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

img {
  max-width: 100%;
  display: block;
}

/* ===== GRAIN OVERLAY ===== */
.grain {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.1;
}

h1 { font-size: clamp(3rem, 10vw, 8rem); }
h2 { font-size: clamp(2rem, 5vw, 3.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

p {
  color: #CCCCCC;
  max-width: 640px;
}

.text-gray { color: #888888; }
.text-orange { color: #F05325; }

/* ===== LAYOUT ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 100px 0;
  position: relative;
}

/* ===== NAV ===== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: background 0.3s, padding 0.3s;
}

nav.scrolled {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.nav-logo {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #FFFFFF;
}

.nav-logo span {
  color: #F05325;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-family: 'Oswald', sans-serif;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #888888;
  transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
  color: #FFFFFF;
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #FFFFFF;
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    max-width: 300px;
    height: 100vh;
    background: #111111;
    flex-direction: column;
    padding: 80px 40px 40px;
    gap: 24px;
    transition: right 0.3s ease;
    border-left: 1px solid rgba(255,255,255,0.05);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    font-size: 1.1rem;
  }
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding-top: 80px;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  margin-bottom: 16px;
  letter-spacing: 0.08em;
}

.hero h1 span {
  display: block;
  color: #F05325;
}

.hero .tagline {
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: #888888;
  text-transform: none;
  letter-spacing: 0.02em;
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 16px 40px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, background 0.3s, color 0.3s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: #F05325;
  color: #FFFFFF;
}

.btn-primary:hover {
  background: #d4461d;
}

.btn-outline {
  background: transparent;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
  border-color: #F05325;
  color: #F05325;
}

.btn-small {
  padding: 12px 28px;
  font-size: 0.85rem;
}

/* ===== CARDS ===== */
.card {
  background: #111111;
  border-left: 3px solid #F05325;
  padding: 32px;
  transition: transform 0.3s;
}

.card:hover {
  transform: translateX(4px);
}

.card h3 {
  margin-bottom: 12px;
  color: #FFFFFF;
}

.card p {
  font-size: 0.95rem;
  color: #888888;
}

.card .label {
  font-family: 'Oswald', sans-serif;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #F05325;
  margin-bottom: 8px;
}

/* ===== GRID ===== */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 960px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

/* ===== SECTION HEADERS ===== */
.section-header {
  margin-bottom: 64px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.05rem;
  color: #888888;
}

.section-label {
  font-family: 'Oswald', sans-serif;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #F05325;
  margin-bottom: 12px;
  display: block;
}

/* ===== ABOUT PAGE ===== */
.about-intro {
  max-width: 720px;
}

.about-intro p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #CCCCCC;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 64px;
}

@media (min-width: 640px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 960px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}

.service-card {
  background: #111111;
  border-left: 3px solid #F05325;
  padding: 28px;
}

.service-card h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.service-card p {
  font-size: 0.9rem;
  color: #888888;
}

/* ===== INTERNSHIP PAGE ===== */
.tracks-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 80px;
}

@media (min-width: 768px) {
  .tracks-grid { grid-template-columns: repeat(2, 1fr); }
}

.track-card {
  background: #111111;
  border-left: 3px solid #F05325;
  padding: 40px 32px;
}

.track-card h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.track-card .track-audience {
  font-family: 'Oswald', sans-serif;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #F05325;
  margin-bottom: 16px;
  display: block;
}

.track-card p {
  color: #888888;
  font-size: 0.95rem;
}

.track-card .highlight {
  color: #F05325;
  font-weight: 400;
}

.paths-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .paths-grid { grid-template-columns: repeat(3, 1fr); }
}

.path-card {
  background: #111111;
  border-left: 3px solid #F05325;
  padding: 32px;
}

.path-card h3 {
  margin-bottom: 4px;
}

.path-card .salary {
  font-family: 'Oswald', sans-serif;
  font-size: 0.85rem;
  color: #F05325;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  display: block;
}

.path-card ul {
  list-style: none;
  padding: 0;
}

.path-card ul li {
  color: #888888;
  font-size: 0.9rem;
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
}

.path-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 1px;
  background: #F05325;
}

.intern-cta {
  text-align: center;
  margin-top: 80px;
}

.intern-cta p {
  margin: 0 auto 24px;
  text-align: center;
  font-size: 1.05rem;
  color: #888888;
}

/* ===== CONNECT PAGE ===== */
.connect-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 64px;
}

@media (min-width: 768px) {
  .connect-grid { grid-template-columns: 1fr 1fr; }
}

.connect-info h3 {
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.connect-info .title {
  color: #888888;
  font-size: 0.95rem;
  margin-bottom: 32px;
}

.contact-line {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  color: #CCCCCC;
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-line a {
  color: #CCCCCC;
  transition: color 0.3s;
}

.contact-line a:hover {
  color: #F05325;
}

.contact-line .icon {
  width: 20px;
  text-align: center;
  color: #F05325;
  flex-shrink: 0;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #111111;
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 12px 20px;
  font-family: 'Oswald', sans-serif;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #FFFFFF;
  transition: border-color 0.3s, color 0.3s;
}

.social-btn:hover {
  border-color: #F05325;
  color: #F05325;
}

/* ===== FORM ===== */
.connect-form h3 {
  margin-bottom: 8px;
}

.connect-form .form-desc {
  color: #888888;
  font-size: 0.9rem;
  margin-bottom: 32px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-family: 'Oswald', sans-serif;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #888888;
  margin-bottom: 8px;
}

.form-group input {
  width: 100%;
  padding: 14px 16px;
  background: #111111;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  font-size: 0.95rem;
  transition: border-color 0.3s;
  outline: none;
}

.form-group input::placeholder {
  color: #555555;
}

.form-group input:focus {
  border-color: #F05325;
}

.form-success {
  display: none;
  background: rgba(240, 83, 37, 0.1);
  border-left: 3px solid #F05325;
  padding: 20px;
  margin-top: 20px;
}

.form-success p {
  color: #FFFFFF;
  font-size: 0.95rem;
}

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 40px 0;
}

footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

footer p {
  font-size: 0.8rem;
  color: #555555;
}

footer a {
  color: #888888;
  font-size: 0.8rem;
  transition: color 0.3s;
}

footer a:hover {
  color: #F05325;
}

/* ===== PAGE HEADER ===== */
.page-header {
  padding-top: 160px;
  padding-bottom: 40px;
}

.page-header h1 {
  font-size: clamp(2.5rem, 7vw, 5rem);
}

/* ===== FADE-IN ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
.stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger > *.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== DIVIDER ===== */
.divider {
  width: 60px;
  height: 3px;
  background: #F05325;
  margin: 24px 0;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: #0A0A0A;
}

::-webkit-scrollbar-thumb {
  background: #333333;
}

::-webkit-scrollbar-thumb:hover {
  background: #F05325;
}

/* ===== UTILITY ===== */
.mt-section { margin-top: 80px; }

@media (max-width: 480px) {
  section { padding: 64px 0; }
  .page-header { padding-top: 120px; }
}