/* =======================================================
   style.css — Vanilla CSS conversion of Tailwind-based layout
   Keep this file readable. Variables, sections and comments.
   ======================================================= */

/* ---------- Root & variables ---------- */
:root {
  --font-sans: Inter, system-ui, sans-serif;
  --font-serif: "Playfair Display", serif;

  --text: #0f172a;

  --muted: #6b7280;

  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --blue-200: #bfdbfe;
  --blue-300: #93c5fd;
  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-800: #1e40af;
  --blue-900: #1e3a8a;

  --logo-color: #63abd9;

  --slate-50: #f8fafc;
  --slate-200: #e2e8f0;
  --slate-600: #475569;
  --slate-900: #0f172a;

  --cyan-500: #06b6d4;

  --white: #ffffff;
  --pure-white: #ffffff;

  --container-max: 1280px;
}

body.dark{

  --text: #e2e8f0;

  --muted: #94a3b8;

  /* --blue-50: #0a192f;
  --blue-100: #112240;
  --blue-200: #1e3a8a;
  --blue-300: #2563eb;
  --blue-400: #3b82f6;
  --blue-500: #60a5fa;
  --blue-600: #93c5fd;

  --blue-50:  #0a192f;
  --blue-100: #112240;
  --blue-200: #1e3a8a;
  --blue-300: #274bc9;
  --blue-400: #316bdf;
  --blue-500: #4a8ef4;
  --blue-600: #6ba8ff; */

  --blue-50:  #0b1b34;
  --blue-100: #13244b;
  --blue-200: #1f3e95;
  --blue-300: #2a55c2;
  --blue-400: #3c74e0;
  --blue-500: #5a96f5;
  --blue-600: #80b4ff;
  --blue-700: #a3d1ff;
  --blue-800: #c4eaff;



  --slate-50: #1e293b;
  --slate-200: #334155;
  --slate-600: #94a3b8;

  --cyan-500: #22d3ee;

  --white: #0f172a;
  --pure-white: #e0e0e0;
}


/* ---------- Base resets ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transition-duration: 0.3s;
  transition-property: all;
  transition-timing-function: cubic-bezier(0.4,0,0.2,1);
}

html {
  scroll-behavior: smooth;
}

html,
body {
  height: auto;
  min-height: 100vh;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--text);
  line-height: 1.5;
  background: linear-gradient(to bottom right, var(--blue-50), var(--white) 60%);
}


/* section elements */
.section {
  padding: 5rem 0;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
}

.white {
  background: var(--white);
  color: var(--text);
}

.soft-bg {
  background: linear-gradient(to bottom right, var(--slate-50), var(--blue-50));
}

/* Section title */
.section-title-container{
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 3rem;
  margin: 0 0 1rem;
  font-weight: 700;
  color: var(--text);
}

.section-subtitle {
  color: var(--muted);
  font-size: 1.3rem;
  max-width: 50rem;
  margin: 0 auto;
}

/* section scaling */

@media (max-width: 1024px) {
  .container {
    padding: 0 1.5rem;
  }
  .section {
    padding: 4rem 0;
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: 1.875rem;
    line-height: 2.25rem;
  }
  
}


@media (max-width: 1024px) {
  .container {
  padding: 0 1rem;
  }
}


/* typography */
.center {
  text-align: center;
}

.muted {
  color: var(--muted);
}

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


/* ---------- Animations (kept from tailwind utility names) ---------- */
@keyframes bounce {

  0%,
  100% {
    transform: translateY(-25%);
    animation-timing-function: cubic-bezier(.8, 0, 1, 1);
  }

  50% {
    transform: none;
    animation-timing-function: cubic-bezier(0, 0, .2, 1);
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-20px);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  0% {
    opacity: 0;
    transform: translateX(-20px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  0% {
    opacity: 0;
    transform: translateY(40px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideLeft {
  0% {
    opacity: 0;
    transform: translateX(-40px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown100 {
  from {
    transform: translateY(-100%);
  }

  to {
    transform: translateY(0);
  }
}

@keyframes slideUp100 {
  from {
    transform: translateY(100%);
  }

  to {
    transform: translateY(0);
  }
}

@keyframes zoomIn {
  0% {
    opacity: 0;
    transform: scale(0.8);
  }

  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* helper animation classes */
.show.animate-bounce {
  animation: bounce 1s infinite;
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(.4, 0, .6, 1) infinite;
}

.show.fade-in-up {
  animation: fadeInUp .6s ease-out both;
}

.show.fade-in-left {
  animation: fadeInLeft .6s ease-out both;
}

.show.slide-up {
  animation: slideUp .8s ease-out both;
}

.show.slide-left {
  animation: slideLeft .8s ease-out both;
}

.show.slide-down-100 {
  animation: slideDown100 .8s ease-out both;
}

.show.slide-up-100 {
  animation: slideUp100 .8s ease-out both;
}

.show.zoom-in {
  animation: zoomIn 0.8s ease-out both;
}

.hidden {
  opacity: 0;
}
.show {
  opacity: 1;
  will-change: opacity, transform;
}

.d-100 {
  animation-delay: 100ms!important;
}

.d-200 {
  animation-delay: 200ms!important;
}

.d-300 {
  animation-delay: 300ms!important;
}

.d-400 {
  animation-delay: 400ms!important;
}

.d-500 {
  animation-delay: 500ms!important;
}

.d-600 {
  animation-delay: 600ms!important;
}

.d-700 {
  animation-delay: 700ms!important;
}

.d-800 {
  animation-delay: 800ms!important;
}

.d-900 {
  animation-delay: 900ms!important;
}

.d-1000 {
  animation-delay: 1000ms!important;
}

/* *************** Buttons *************** */
.btn {
  border: 0;
  padding: 1.1rem 2rem;
  border-radius: 5000px;
  font-weight: 600;
  font-size: 1.05rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
  cursor: pointer;
}

.btn.primary {
  background: var(--pure-white);
  color: var(--blue-400);
  font-weight: 500;
  font-size: 1.25rem;
  box-shadow: 0 10px 25px rgba(6, 30, 64, 0.15);
}

body.dark .btn.primary {
  background: var(--blue-600);
  }

.btn.primary:hover {
  transform: scale(1.1);
  box-shadow: 0 18px 40px rgba(6, 30, 64, 0.18);
}

.btn.ghost {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(6px);
}

.btn.ghost:hover {
  background: rgba(255, 255, 255, 0.14);
}





/* small icon style */
.icon.small {
  width: 20px;
  height: 20px;
}

/* small accessibility tweaks */
button:focus {
  outline: 3px solid rgba(59, 130, 246, 0.25);
  outline-offset: 2px;
  border-radius: 8px;
}



/* Navigation - Mobile Responsive */
.navbar {
  position: sticky;
  top: 0;
  width: 100%;
  background: var(--white);
  /* background: linear-gradient(135deg, var(--blue-600), var(--blue-400)); */
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar .nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.navbar .nav-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.navbar .nav-brand svg {
  height: 50px;
  width: 50px;
  stroke-width: 2;
  fill: none;
  stroke: var(--blue-400);
  display: block;
}

.navbar .nav-brand h2 {
  color: var(--blue-400);
  font-size: 1.5rem;
  font-weight: 700;
}

.navbar .startup-badge {
  background: linear-gradient(135deg, var(--blue-400), var(--blue-300));
  color: white;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.navbar .nav-menu {
  display: flex;
  gap: 2rem;
}

.navbar .nav-link {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: var(--blue-400);
}

.navbar .nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--blue-400);
  transition: width 0.3s ease;
}

.navbar .nav-link:hover::after,
.navbar .nav-link.active::after {
  width: 100%;
}

/* Mobile Navigation */
.navbar .mobile-menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 0.5rem;
}

.navbar .mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text);
  margin: 3px 0;
  transition: 0.3s;
  border-radius: 2px;
}

.navbar .mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: var(--white);
  backdrop-filter: blur(20px);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
}

.navbar .mobile-nav-link {
  display: block;
  padding: 1rem 2rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
}

.navbar .mobile-nav-link:hover,
.navbar .mobile-nav-link.active {
  color: var(--blue-400);
  background: color-mix(in srgb, var(--blue-300) 5%, transparent);
  border-left-color: var(--blue-400);
}

/* Footer */
.footer {
  background: var(--slate-900);
  color: var(--pure-white);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--blue-200);
}

.footer .footer-content {
    display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer .footer-header {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 1.5rem;
}

.footer .footer-header a {
  color: var(--blue-400);
  text-decoration: none;
}


.footer .footer-section h3,
.footer .footer-section h4 {
  margin-bottom: 1.5rem;
  color: var(--blue-400);
}

.footer .footer-section p {
  color: color-mix(in srgb, var(--pure-white) 70%, transparent);
  margin-bottom: 1rem;
}

.footer .footer-section ul {
  list-style: none;
}

.footer .footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer .footer-section ul li a {
  color: color-mix(in srgb, var(--pure-white) 70%, transparent);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer .footer-section ul li a:hover {
  color: var(--blue-400);
}

.footer .social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.footer .social-link {
  color: color-mix(in srgb, var(--pure-white) 70%, transparent);
  text-decoration: none;
  padding: 0.5rem;
  border: 1px solid color-mix(in srgb, var(--pure-white) 20%, transparent);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.footer .social-link:hover {
  color: var(--blue-400);
  border-color: var(--blue-400);
  transform: translateY(-2px);
}

.footer .footer-bottom {
  border-top: 1px solid color-mix(in srgb, var(--pure-white) 20%, transparent);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer .footer-links {
  display: flex;
  gap: 2rem;
}

.footer .footer-links a {
  color: color-mix(in srgb, var(--pure-white) 70%, transparent);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer .footer-links a:hover {
  color: var(--blue-400);
}


/* Responsive Design */
@media (max-width: 900px) {
  .navbar .nav-brand {
    /* flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem; */
  }

  /* Mobile Navigation */
  .navbar .nav-menu {
    display: none;
  }
  
  .navbar .mobile-menu-toggle {
    display: flex;
  }
  
  .navbar .mobile-menu {
    display: none;
  }
  
  .navbar .mobile-menu.active{
    display: block;
  }
  
  .navbar .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
  }
  
  .navbar .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .navbar .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
  }



  .footer .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* Pure CSS Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}



.navbar .startup-badge {
  animation: pulse 2s infinite;
}