/* ============================================================
   NETFLIX CLONE – style.css (Mobile First)
   ============================================================ */

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

:root {
  --netflix-red: rgb(229, 9, 20);
  --netflix-red-hover: rgb(193, 17, 25);
  --netflix-black: #000000;
  --netflix-dark: #0f0f0f; /* Richer cinematic black */
  --netflix-dark-2: #232323;
  --netflix-gray: #b3b3b3;
  --netflix-light-gray: #737373;
  --netflix-white: #ffffff;
  --border-color: #333;
  --font-sans:
    "Netflix Sans", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, Helvetica, Arial, sans-serif;
  --transition: 400ms cubic-bezier(0.5, 0, 0.1, 1);
  --section-divider: #232323;
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--netflix-black);
  color: var(--netflix-white);
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

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

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 5%;
  transition: background-color var(--transition);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}

.logo img {
  width: 88px;
  height: auto;
}

@media (min-width: 768px) {
  .logo img {
    width: 148px;
  }

  .header {
    padding: 1.5rem 3.5%;
  }
}

.btn-signin {
  background-color: var(--netflix-red);
  color: var(--netflix-white);
  font-size: 0.875rem;
  font-weight: 700;
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
  transition: background-color var(--transition);
}

@media (min-width: 768px) {
  .btn-signin {
    font-size: 1rem;
    padding: 0.5rem 1rem;
  }
}

.btn-signin:hover {
  background-color: var(--netflix-red-hover);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-image: url("../img/bg.jpg");
  background-size: cover;
  background-position: center;
  padding: 6rem 1rem 4rem;
  box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.8); /* Depth shadow */
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: rgb(0 0 0 / 40%);
  background-image:
    linear-gradient(
      to top,
      rgba(0, 0, 0, 1) 0%,
      rgba(0, 0, 0, 0.1) 50%,
      rgba(0, 0, 0, 0.5) 100%
    ),
    radial-gradient(
      circle at center,
      rgba(0, 0, 0, 0) 0%,
      rgba(0, 0, 0, 0.5) 100%
    );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  width: 100%;
}

.hero-title {
  font-size: 2rem;
  font-weight: 900;
  line-height: normal;
  margin-bottom: 0.5rem;
}

.hero-subtitle {
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.hero-cta-text {
  font-size: 1.125rem;
  margin-bottom: 1rem;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .hero {
    min-height: 100vh;
    padding: 8rem 2rem;
  }

  .hero-title {
    font-size: 3rem;
  }

  .hero-subtitle {
    font-size: 1.5rem;
  }

}

@media (min-width: 1024px) {
  .hero-title {
    font-size: 4rem;
  }

  .hero-subtitle {
    font-size: 1.5rem;
  }

}

@media (min-width: 1024px) {
  .hero-title {
    font-size: 3.5rem;
  }
}

/* ============================================================
   FORM
   ============================================================ */
.hero-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 600px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .hero-form {
    flex-direction: row;
    gap: 0.5rem;
  }
}

.form-group {
  position: relative;
  flex: 1;
}

.form-input {
  width: 100%;
  height: 50px;
  background-color: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 4px;
  padding: 1.5rem 1rem 0.5rem;
  color: #fff;
  font-size: 1rem;
  outline: none;
  transition:
    border-color 0.2s,
    background-color 0.2s;
}

.form-input:focus {
  border-color: #fff;
  box-shadow: 0 0 0 2px #fff;
}

.form-label {
  position: absolute;
  top: 50%;
  left: 1rem;
  transform: translateY(-50%);
  color: var(--netflix-gray);
  transition: all 0.2s ease;
  pointer-events: none;
}

.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
  top: 10px;
  font-size: 0.75rem;
  font-weight: 700;
}

.btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--netflix-red);
  background-image: linear-gradient(
    rgba(255, 255, 255, 0.1),
    rgba(255, 255, 255, 0)
  );
  color: #fff;
  font-size: 1.125rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.3);
  transition: all var(--transition);
}

.btn-primary:active {
  transform: scale(0.98);
  background-color: var(--netflix-red-hover);
}

@media (min-width: 768px) {
  .form-input {
    height: 60px;
  }

  .btn-primary {
    font-size: 1.5rem;
    padding: 0 2rem;
    height: 60px;
  }
}

.btn-primary:hover {
  background-color: var(--netflix-red-hover);
}

.btn-icon {
  width: 24px;
  height: 24px;
}

/* ============================================================
   FEATURE SECTIONS
   ============================================================ */
.feature-section {
  padding: 3.5rem 1.5rem;
  border-bottom: 8px solid var(--section-divider);
}

.feature-container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2rem;
}

@media (min-width: 768px) {
  .feature-section {
    padding: 4.5rem 3.5%;
  }

  .feature-container {
    flex-direction: row;
    text-align: left;
  }

  .feature-container.feature-right {
    flex-direction: row-reverse;
  }
}

.feature-text {
  flex: 1;
}

.feature-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.feature-desc {
  font-size: 1.125rem;
}

@media (min-width: 768px) {
  .feature-title {
    font-size: 2.5rem;
  }

  .feature-desc {
    font-size: 1.5rem;
  }
}

.feature-media {
  flex: 1;
  position: relative;
  width: 100%;
  max-width: 500px;
}

/* TV & Devices Video alignment */
.tv-wrapper,
.devices-wrapper {
  position: relative;
  width: 100%;
}

.tv-video {
  position: absolute;
  top: 21%;
  left: 13%;
  width: 74%;
  height: 54%;
  object-fit: contain;
}

.devices-video {
  position: absolute;
  z-index: -1;
  top: 10%;
  left: 18.5%;
  width: 63%;
  height: 48%;
  object-fit: contain;
}

/* Download badge */
.download-wrapper {
  position: relative;
}

.download-badge {
  position: absolute;
  bottom: 5%;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  max-width: 300px;
  background: #000;
  border: 2px solid #333;
  border-radius: 0.75rem;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.download-thumb {
  width: 3rem;
  height: 4rem;
  object-fit: cover;
}

.download-info {
  flex: 1;
  text-align: left;
}

.download-status {
  color: #0071eb;
  font-size: 0.8rem;
}

/* ============================================================
   FAQ SECTION
   ============================================================ */
.faq-section {
  padding: 4rem 1.5rem;
  border-bottom: 8px solid var(--section-divider);
}

.faq-container {
  max-width: 815px;
  margin: 0 auto;
}

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

.faq-item {
  margin-bottom: 0.5rem;
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #2d2d2d;
  color: #fff;
  padding: 1.5rem;
  font-size: 1.125rem;
  text-align: left;
  transition: background 0.25s;
}

.faq-question:hover {
  background: #414141;
}

@media (min-width: 768px) {
  .faq-title {
    font-size: 3rem;
    margin-bottom: 2rem;
  }

  .faq-question {
    padding: 1.5rem;
    font-size: 1.5rem;
  }
}

.faq-icon {
  font-size: 2.25rem;
  transition: transform 0.4s cubic-bezier(0.5, 0, 0.1, 1);
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  background: #2d2d2d;
  max-height: 0;
  overflow: hidden;
  transition:
    max-height 0.3s ease,
    padding 0.3s ease;
}

.faq-answer.open {
  max-height: 1000px;
  padding: 1.5rem;
}

.faq-cta {
  margin-top: 3rem;
  text-align: center;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 4rem 5% 2rem;
  color: #757575;
}

.footer-container {
  max-width: 1000px;
  margin: 0 auto;
}

.footer-contact {
  margin-bottom: 1.5rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  list-style: none;
  margin-bottom: 2rem;
}

@media (min-width: 600px) {
  .footer-links {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .footer-links {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-links a {
  font-size: 0.875rem;
  text-decoration: underline;
}

.footer-links a:hover {
  color: #fff;
}

.footer-copy {
  font-size: 0.75rem;
  margin-top: 1rem;
}

/* Section Divider */
.section-divider {
  display: none;
}

/* ============================================================
   PRELOADER
   ============================================================ */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--netflix-black);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.6s ease, visibility 0.6s;
}

.preloader.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.loader-logo {
  width: 150px;
  height: auto;
  animation: logo-pulse 2s infinite ease-in-out;
}

.loader-spinner {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(229, 9, 20, 0.2);
  border-top-color: var(--netflix-red);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes logo-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(0.95); }
}