/* ============================================================
   Variables
   ============================================================ */
:root {
  --color-bg:          #18385A;
  --color-gradient:    #0C162A;
  --color-white:       #FFFFFF;
  --color-card-bg:     #F4F5F8;
  --color-text:        #3B3333;
  --color-btn-bg:      #F2C948;
  --color-btn-text:    #041331;
  --font:              'Inter', sans-serif;
}

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

html {
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  background-color: var(--color-bg);
  overflow-x: hidden;
}

/* ============================================================
   Container  — max 1440px, min 375px, always centered
   ============================================================ */
.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding-left:  16.5px;
  padding-right: 16.5px;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  width: 100%;
  min-height: 482px;
  background-color: var(--color-bg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Full-bleed background image — always 100vw */
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('./nmu-hero-bg.jpg');
  background-size: cover;
  background-position: center 30%;
  opacity: 0.15;
  pointer-events: none;
}

/* Top gradient overlay */
.hero-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 63%;
  background: linear-gradient(to bottom, var(--color-gradient) 34%, transparent 100%);
  pointer-events: none;
}

/* Content wrapper — same max-width centering as .container */
.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 56px 16.5px 0;
  min-height: 482px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 72px;
}

.logo {
  width: 226px;
  height: auto;
  align-self: center;
  flex-shrink: 0;
  display: block;
}

.hero-content {
  width: 100%;
  max-width: 326px;
  text-align: center;
}

.hero-title {
  font-size: 34px;
  font-weight: 600;
  color: var(--color-white);
  line-height: 1.25;
  margin-bottom: 16px;
}

.hero-desc {
  font-size: 16px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.5;
}

/* ============================================================
   MAIN — white background
   ============================================================ */
.main {
  background-color: var(--color-white);
}

.main .container {
  padding-top: 40px;
  padding-bottom: 64px;
}

/* ============================================================
   Section
   ============================================================ */
.section + .section {
  margin-top: 64px;
}

.section-divider {
  width: 147px;
  height: 1px;
  background-color: #E0E0E0;
  margin: 0 auto 40px;
}

.section-title {
  font-size: 24px;
  font-weight: 600;
  color: #000000;
  line-height: 1.5;
  margin-bottom: 24px;
  text-align: center;
}

/* ============================================================
   We Can Talk About
   ============================================================ */
.ask-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 720px;
  margin: 0 auto;
}

.ask-card {
  background-color: var(--color-white);
  border: 1px solid rgba(0, 0, 0, 0.14);
  border-radius: 8px;
  padding: 32px 24px;
}

.card-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: 24px;
}

.card-list {
  list-style: disc;
  padding-left: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.card-list li {
  font-size: 16px;
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.4;
}

/* ============================================================
   How It Works
   ============================================================ */
.steps-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 720px;
  margin: 0 auto;
}

.step-card {
  background-color: var(--color-card-bg);
  border-radius: 8px;
  padding: 20px;
}

.step-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background-color: var(--color-text);
  border-radius: 50%;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-white);
  line-height: 1;
}

.step-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
}

.step-desc {
  font-size: 16px;
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.4;
}

/* ============================================================
   FOOTER — dark background
   ============================================================ */
.footer {
  background-color: var(--color-bg);
}

.footer .container {
  padding-top:    80px;
  padding-bottom: 80px;
}

.feedback {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  margin-bottom: 80px;
  text-align: center;
}

.feedback-text {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feedback-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-white);
  line-height: 1.5;
}

.feedback-desc {
  font-size: 16px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.5;
}

.feedback-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 260px;
  height: 52px;
  background-color: var(--color-btn-bg);
  color: var(--color-btn-text);
  font-family: var(--font);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  transition: opacity 0.2s ease;
}

.feedback-btn:hover {
  opacity: 0.9;
}

.footer-divider {
  width: 147px;
  height: 1px;
  background-color: rgba(255, 255, 255, 0.25);
  margin: 0 auto 20px;
}

.footer-text {
  font-size: 14px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.5;
  text-align: center;
}

/* ============================================================
   RESPONSIVE — Tablet  768px+
   ============================================================ */
@media (min-width: 768px) {
  .container {
    padding-left:  48px;
    padding-right: 48px;
  }

  /* Hero */
  .hero {
    min-height: 540px;
  }

  .hero-inner {
    min-height: 540px;
    padding: 72px 48px 0;
    gap: 56px;
  }

  .logo {
    width: 260px;
  }

  .hero-content {
    max-width: 480px;
  }

  .hero-title {
    font-size: 42px;
  }

  .hero-desc {
    font-size: 17px;
  }

  /* Ask: 2 columns */
  .ask-grid {
    flex-direction: row;
    gap: 20px;
  }

  .ask-card {
    flex: 1;
  }

  /* Steps: 2 columns */
  .steps-grid {
    flex-direction: row;
    align-items: stretch;
    gap: 20px;
  }

  .step-card {
    flex: 1;
  }

  .feedback-text {
    max-width: 560px;
  }
}

/* ============================================================
   RESPONSIVE — Desktop  1200px+
   ============================================================ */
@media (min-width: 1200px) {
  .container {
    padding-left:  80px;
    padding-right: 80px;
  }

  /* Hero */
  .hero {
    min-height: 600px;
  }

  .hero-inner {
    min-height: 600px;
    padding: 80px 80px 0;
    gap: 64px;
  }

  .logo {
    width: 283px;
  }

  .hero-content {
    max-width: 540px;
  }

  .hero-title {
    font-size: 50px;
  }

  .hero-desc {
    font-size: 18px;
  }

  .step-card {
    padding: 24px;
  }

  .section-title {
    font-size: 28px;
  }
}

/* ============================================================
   RESPONSIVE — Wide  1440px+
   ============================================================ */
@media (min-width: 1440px) {
  .container {
    padding-left:  100px;
    padding-right: 100px;
  }

  /* Hero */
  .hero {
    min-height: 640px;
  }

  .hero-inner {
    min-height: 640px;
    padding: 96px 100px 0;
    gap: 72px;
  }

  .logo {
    width: 305px;
  }

  .hero-content {
    max-width: 600px;
  }

  .hero-title {
    font-size: 56px;
  }

  .hero-desc {
    font-size: 18px;
  }

  .section-title {
    font-size: 30px;
  }

  .card-title,
  .step-title {
    font-size: 22px;
  }

  .card-list li,
  .step-desc,
  .feedback-desc {
    font-size: 17px;
  }
}