/* =============================================
   The Virtual Speech Room - Main Stylesheet
   ============================================= */

/* CSS Variables */
:root {
  /* Brand Colors */
  --navy-blue: #1F3A5F;
  --medium-blue: #4A6FA5;
  --soft-blue: #8FA6C9;
  --off-white: #F4F6F9;
  --white: #FFFFFF;

  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Lato', sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;

  /* Layout */
  --max-width: 1200px;
  --header-height: 100px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--navy-blue);
  background-color: var(--off-white);
}

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

a {
  color: var(--medium-blue);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--navy-blue);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--navy-blue);
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-sm);
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xl) 0;
}

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

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

/* Header & Navigation */
.header {
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(31, 58, 95, 0.1);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
}

.header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
}

.header__logo img {
  display: none;
}

.nav {
  display: flex;
  align-items: center;
}

.nav__list {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
}

.nav__link {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--navy-blue);
  padding: var(--spacing-xs) 0;
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--medium-blue);
  transition: width 0.3s ease;
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.nav__link--active {
  color: var(--medium-blue);
}

/* Mobile Navigation */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav__toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--navy-blue);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--white) 0%, var(--off-white) 100%);
  padding: calc(var(--header-height) + var(--spacing-xl)) 0 var(--spacing-xl);
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero__content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero__tagline {
  font-size: 1rem;
  color: var(--medium-blue);
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

.hero__logo {
  max-width: 350px;
  height: auto;
  margin-bottom: var(--spacing-sm);
}

.hero__title {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.hero__description {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-lg);
  color: var(--navy-blue);
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.875rem 2rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  text-align: center;
}

.btn--primary {
  background-color: var(--medium-blue);
  color: var(--white);
}

.btn--primary:hover {
  background-color: var(--navy-blue);
  color: var(--white);
}

.btn--secondary {
  background-color: transparent;
  color: var(--medium-blue);
  border: 2px solid var(--medium-blue);
}

.btn--secondary:hover {
  background-color: var(--medium-blue);
  color: var(--white);
}

/* Cards */
.card {
  background-color: var(--white);
  border-radius: 8px;
  padding: var(--spacing-md);
  box-shadow: 0 4px 15px rgba(31, 58, 95, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(31, 58, 95, 0.12);
}

.card__title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.card__text {
  color: var(--navy-blue);
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
}

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--white) 0%, var(--off-white) 100%);
  padding: calc(var(--header-height) + var(--spacing-lg)) 0 var(--spacing-lg);
  text-align: center;
}

.page-header__title {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.page-header__subtitle {
  font-size: 1.125rem;
  color: var(--medium-blue);
  max-width: 600px;
  margin: 0 auto;
}

/* About Page */
.about-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

.about-section {
  background-color: var(--white);
  padding: var(--spacing-lg);
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(31, 58, 95, 0.08);
}

.about-section__title {
  color: var(--medium-blue);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--soft-blue);
}

/* FAQ Section */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--white);
  border-radius: 8px;
  margin-bottom: var(--spacing-sm);
  box-shadow: 0 2px 10px rgba(31, 58, 95, 0.06);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: var(--spacing-md);
  background: none;
  border: none;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--navy-blue);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.3s ease;
}

.faq-question:hover {
  background-color: var(--off-white);
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--medium-blue);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}

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

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer__content {
  padding: 0 var(--spacing-md) var(--spacing-md);
}

.faq-answer ul {
  margin: var(--spacing-sm) 0;
  padding-left: var(--spacing-md);
}

.faq-answer li {
  margin-bottom: var(--spacing-xs);
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info {
  background-color: var(--white);
  padding: var(--spacing-lg);
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(31, 58, 95, 0.08);
}

.contact-info__title {
  margin-bottom: var(--spacing-md);
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.contact-info__icon {
  width: 24px;
  height: 24px;
  margin-right: var(--spacing-sm);
  color: var(--medium-blue);
}

.contact-info__text {
  flex: 1;
}

.contact-info__label {
  font-weight: 600;
  display: block;
  margin-bottom: 4px;
}

/* Contact Form */
.contact-form {
  background-color: var(--white);
  padding: var(--spacing-lg);
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(31, 58, 95, 0.08);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--navy-blue);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.875rem;
  border: 2px solid var(--soft-blue);
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--navy-blue);
  transition: border-color 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--medium-blue);
}

.form-textarea {
  resize: vertical;
  min-height: 150px;
}

/* Features/Benefits Section */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.feature {
  text-align: center;
  padding: var(--spacing-md);
}

.feature__icon {
  width: 60px;
  height: 60px;
  background-color: var(--soft-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-sm);
}

.feature__icon svg {
  width: 30px;
  height: 30px;
  color: var(--navy-blue);
}

.feature__title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
}

.feature__text {
  font-size: 0.9375rem;
  color: var(--navy-blue);
}

/* CTA Section */
.cta {
  background-color: var(--navy-blue);
  color: var(--white);
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.cta__title {
  color: var(--white);
  margin-bottom: var(--spacing-sm);
}

.cta__text {
  color: var(--soft-blue);
  margin-bottom: var(--spacing-md);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta .btn--primary {
  background-color: var(--medium-blue);
}

.cta .btn--primary:hover {
  background-color: var(--soft-blue);
  color: var(--navy-blue);
}

/* Footer */
.footer {
  background-color: var(--navy-blue);
  color: var(--white);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer__content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  height: 100px;
  width: 100px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: var(--spacing-sm);
}

.footer__tagline {
  color: var(--soft-blue);
  font-size: 0.9375rem;
}

.footer__nav ul {
  list-style: none;
  display: flex;
  gap: var(--spacing-md);
}

.footer__nav a {
  color: var(--white);
  font-size: 0.9375rem;
}

.footer__nav a:hover {
  color: var(--soft-blue);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  text-align: center;
  font-size: 0.875rem;
  color: var(--soft-blue);
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mb-0 {
  margin-bottom: 0;
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

/* Responsive Styles */
@media (max-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

  .header__logo img {
    height: 55px;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .hero__title {
    font-size: 2.25rem;
  }

  .hero__logo {
    max-width: 200px;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__list {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--white);
    flex-direction: column;
    padding: var(--spacing-md);
    gap: 0;
    box-shadow: 0 4px 15px rgba(31, 58, 95, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

  .nav__list.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__item {
    border-bottom: 1px solid var(--off-white);
  }

  .nav__link {
    display: block;
    padding: var(--spacing-sm) 0;
  }

  .section {
    padding: var(--spacing-lg) 0;
  }

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

  .footer__brand {
    max-width: 100%;
  }

  .footer__nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .hero__title {
    font-size: 1.875rem;
  }

  .btn {
    padding: 0.75rem 1.5rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }
}