/* =========================================
   GOOGLE FONT
========================================= */

@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap");

/* =========================================
   DESIGN SYSTEM
========================================= */

:root {
  /* Colors */

  --primary: #2563eb;
  --primary-light: #3b82f6;
  --primary-soft: #dbeafe;

  --text: #0f172a;
  --text-light: #64748b;

  --surface: #ffffff;
  --surface-2: #f8fbff;

  --border: #e2e8f0;

  /* Shadows */

  --shadow-sm: 0 8px 25px rgba(15, 23, 42, 0.05);

  --shadow-md: 0 18px 45px rgba(37, 99, 235, 0.08);

  --shadow-lg: 0 30px 80px rgba(37, 99, 235, 0.12);

  /* Radius */

  --radius-sm: 18px;
  --radius-md: 24px;
  --radius-lg: 34px;

  /* Animation */

  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Poppins", sans-serif;

  min-height: 100vh;

  color: var(--text);

  overflow-x: hidden;

  background:
    radial-gradient(
      circle at 15% 15%,
      rgba(191, 219, 254, 0.65),
      transparent 35%
    ),
    radial-gradient(
      circle at 90% 80%,
      rgba(147, 197, 253, 0.45),
      transparent 40%
    ),
    linear-gradient(180deg, #eef5ff, #2e7ac0);
}

body::before {
  content: "";

  position: fixed;

  width: 420px;
  height: 420px;

  border-radius: 50%;

  background: #bfdbfe;

  top: -160px;
  right: -120px;

  opacity: 0.45;

  filter: blur(100px);

  z-index: -3;
}

body::after {
  content: "";

  position: fixed;

  width: 350px;
  height: 350px;

  border-radius: 50%;

  background: #93c5fd;

  bottom: -140px;
  left: -120px;

  opacity: 0.35;

  filter: blur(110px);

  z-index: -3;
}

/* =========================================
   LANDING GRID
========================================= */
.landing-card {
  width: 100%;

  max-width: 520px;

  justify-self: end;
}
.landing-grid {
  display: grid;

  grid-template-columns: 1.1fr 0.9fr;

  gap: 70px;

  align-items: center;

  min-height: 78vh;
}

/* NAVBAR */

.navbar {
  width: min(1320px, 94%);
  margin: 28px auto;
  padding: 18px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 999px;
  position: relative;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 32px;
  padding: 42px;
  overflow: hidden;
  box-shadow:
    0 8px 30px rgba(15, 23, 42, 0.05),
    0 20px 60px rgba(37, 99, 235, 0.1);
  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease,
    border-color 0.35s ease;
}

.navbar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.85);
}

.navbar::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  top: -120px;
  right: -120px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
  filter: blur(35px);
  pointer-events: none;
}

.navbar:hover {
  transform: translateY(-8px) scale(1.01);
  border-color: rgba(255, 255, 255, 0.9);
  box-shadow:
    0 12px 40px rgba(15, 23, 42, 0.08),
    0 30px 80px rgba(37, 99, 235, 0.14);
}

.logo {
    width: 56px;
    height: 56px;

    object-fit: cover;

    border-radius: 50%;

    display: block;
}

.logo:hover {
  transform: rotate(-8deg) scale(1.05);
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-text {
  font-family: "Montserrat", sans-serif;
  font-size: 3rem;
  font-weight: 900;

  color: white;

  line-height: 1;

  text-shadow:
    0 2px 0 rgba(255, 255, 255, 0.4),
    0 8px 18px rgba(0, 0, 0, 0.35);
}

.logo:hover {
  transform: rotate(-8deg);
}

.logo-section h1 {
  color: #1e293b;
  font-size: 2rem;
  font-weight: 700;
}

.nav-links {
  display: flex;

  gap: 12px;
}

.nav-links a {
  color: var(--text-light);

  text-decoration: none;

  padding: 12px 22px;

  border-radius: 999px;

  transition: var(--transition);
}

.nav-links a:hover {
  background: white;

  color: var(--primary);

  box-shadow: var(--shadow-sm);
}

/* MAIN */

/* =========================================
   LAYOUT
========================================= */

.container {
  width: min(1280px, 92%);

  margin: 0 auto;

  padding: 0 0 100px;
}

.section {
  margin-top: 90px;
}

.section:first-child {
  margin-top: 40px;
}

.container::before {
  content: "";

  position: absolute;

  top: 0;
  left: 0;

  width: 100%;
  height: 5px;

  background: linear-gradient(90deg, #2563eb, #3b82f6, #60a5fa);
}

/* HERO */

.hero {
  text-align: center;

  margin: 90px auto 80px;

  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  position: relative;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 32px;
  overflow: hidden;
  box-shadow:
    0 8px 30px rgba(15, 23, 42, 0.05),
    0 20px 60px rgba(37, 99, 235, 0.1);
  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease,
    border-color 0.35s ease;
}

.hero-badge::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.85);
}

.hero-badge::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  top: -120px;
  right: -120px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
  filter: blur(35px);
  pointer-events: none;
}

.hero-badge:hover {
  transform: translateY(-8px) scale(1.01);
  border-color: rgba(255, 255, 255, 0.9);
  box-shadow:
    0 12px 40px rgba(15, 23, 42, 0.08),
    0 30px 80px rgba(37, 99, 235, 0.14);
}

.hero h1 {
  font-size: clamp(3.5rem, 7vw, 5.5rem);

  line-height: 0.95;

  letter-spacing: -2px;

  margin: 28px 0;

  font-weight: 700;
}

.hero p {
  max-width: 700px;

  margin: auto;

  color: #64748b;

  font-size: 18px;
}

/* CARD */
/* =========================================
   HERO FEATURES
========================================= */

.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 40px;
}

.hero-features span {
  padding: 12px 22px;
  border: 1px solid var(--border);
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
  position: relative;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border-radius: 32px;
  overflow: hidden;
  box-shadow:
    0 8px 30px rgba(15, 23, 42, 0.05),
    0 20px 60px rgba(37, 99, 235, 0.1);
  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease,
    border-color 0.35s ease;
}

.hero-features::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.85);
}

.hero-features::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  top: -120px;
  right: -120px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
  filter: blur(35px);
  pointer-events: none;
}

/* =========================================
   SURFACE CARD
========================================= */

/* =========================================
   SURFACE
========================================= */

.surface {
  position: relative;

  background: rgba(255, 255, 255, 0.1);

  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(28px);

  border: 1px solid rgba(255, 255, 255, 0.65);

  border-radius: 32px;

  padding: 42px;

  overflow: hidden;

  box-shadow:
    0 8px 30px rgba(15, 23, 42, 0.05),
    0 20px 60px rgba(37, 99, 235, 0.1);

  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease,
    border-color 0.35s ease;
}

.surface::before {
  content: "";

  position: absolute;

  top: 0;
  left: 0;
  right: 0;

  height: 1px;

  background: rgba(255, 255, 255, 0.85);
}

.surface::after {
  content: "";

  position: absolute;

  width: 220px;
  height: 220px;

  top: -120px;
  right: -120px;

  border-radius: 50%;

  background: rgba(255, 255, 255, 0.28);

  filter: blur(35px);

  pointer-events: none;
}

.surface:hover {
  transform: translateY(-8px) scale(1.01);

  border-color: rgba(255, 255, 255, 0.9);

  box-shadow:
    0 12px 40px rgba(15, 23, 42, 0.08),
    0 30px 80px rgba(37, 99, 235, 0.14);
}

.surface-lg {
  max-width: 900px;

  margin: auto;
}

.surface-sm {
  padding: 28px;

  border-radius: 26px;
}
@media (max-width: 992px) {
  .landing-grid {
    grid-template-columns: 1fr;

    gap: 60px;
  }

  .landing-card {
    max-width: 520px;

    background: rgba(255, 255, 255, 0.58);
  }

  .hero {
    text-align: center;
  }

  .hero-features {
    justify-content: center;
  }
}

.card-grid {
  display: grid;

  gap: 28px;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.feature-card {
  display: flex;

  gap: 20px;

  align-items: flex-start;
}

.feature-icon {
  width: 58px;
  height: 58px;

  border-radius: 18px;

  background: linear-gradient(135deg, var(--primary), var(--primary-light));

  display: flex;

  justify-content: center;

  align-items: center;

  color: white;

  font-weight: 700;

  flex-shrink: 0;
}

.feature-content h3 {
  font-size: 1.25rem;

  margin-bottom: 10px;
}

.feature-content p {
  color: var(--text-light);

  line-height: 1.8;
}

.subtitle {
  text-align: center;

  color: #64748b;

  margin-bottom: 30px;
}

/* REQUIREMENTS */

.requirements {
  display: flex;
  flex-direction: column;

  gap: 18px;

  margin-bottom: 30px;
}

.requirements label {
  display: flex;
  align-items: flex-start;

  gap: 12px;

  line-height: 1.5;
}

.requirements input {
  margin-top: 3px;

  width: 20px;
  height: 20px;

  accent-color: #2563eb;
}

/* INPUT */

.input-group {
  margin-bottom: 25px;
}

.input-group label {
  display: block;

  margin-bottom: 8px;

  font-weight: 600;
}

.input-group input {
  width: 100%;

  padding: 16px;

  border-radius: 14px;

  border: 1px solid #dbe2ea;

  background: #f8fafc;

  font-size: 15px;

  outline: none;
}

.input-group input:focus {
  border-color: #2563eb;
}

/* BUTTON */

.login-btn {
  width: 100%;
  height: 58px;

  border: none;

  border-radius: 14px;

  background: linear-gradient(135deg, #2563eb, #3b82f6);

  color: white;

  font-size: 16px;
  font-weight: 600;

  cursor: pointer;

  transition: 0.3s;
}

.login-btn:hover:not(:disabled) {
  transform: translateY(-2px);

  box-shadow: 0 12px 25px rgba(37, 99, 235, 0.35);
}

.login-btn:disabled {
  background: #cbd5e1;

  cursor: not-allowed;
}
