/*
 * SinavBox Landing Page Styles
 * Main landing page components
 */

/* ===== NAVIGATION BAR ===== */
.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  transition: all var(--transition-base);
}

.landing-nav.transparent {
  background: transparent;
  border-bottom-color: transparent;
}

/* When not transparent (scrolled), text should be dark for visibility */
.landing-nav:not(.transparent) .landing-nav__logo {
  color: var(--gray-900);
}

.landing-nav:not(.transparent) .landing-nav__logo-icon {
  color: var(--primary-teal);
}

.landing-nav:not(.transparent) .landing-nav__link {
  color: var(--gray-900);
}

.landing-nav:not(.transparent) .landing-nav__link:hover {
  color: var(--primary-teal);
}

.landing-nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 var(--space-2xl);
}

.landing-nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-decoration: none;
  color: var(--white);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
}

.landing-nav.transparent .landing-nav__logo {
  color: var(--white);
}

.landing-nav__logo-icon {
  font-size: 28px;
  color: var(--white);
}

.landing-nav.transparent .landing-nav__logo-icon {
  color: var(--white);
}

.landing-nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-4xl);
  list-style: none;
}

.landing-nav__link {
  text-decoration: none;
  color: var(--white);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  transition: color var(--transition-fast);
}

.landing-nav.transparent .landing-nav__link {
  color: var(--white);
}

.landing-nav__link:hover {
  color: rgba(255, 255, 255, 0.8);
}

.landing-nav.transparent .landing-nav__link:hover {
  color: rgba(255, 255, 255, 0.8);
}

.landing-nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.landing-nav__lang {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.landing-nav.transparent .landing-nav__lang {
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
}

.landing-nav.transparent .landing-nav__lang:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

.landing-nav:not(.transparent) .landing-nav__lang {
  color: var(--gray-700);
  background: transparent;
  border-color: var(--gray-300);
}

.landing-nav:not(.transparent) .landing-nav__lang:hover {
  background: var(--gray-50);
  border-color: var(--gray-400);
}

.landing-nav__lang option {
  color: var(--gray-900);
  background: var(--white);
}

.landing-nav__signin {
  text-decoration: none;
  color: var(--white);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  transition: color var(--transition-fast);
}

.landing-nav.transparent .landing-nav__signin {
  color: var(--white);
}

.landing-nav.transparent .landing-nav__signin:hover {
  color: rgba(255, 255, 255, 0.8);
}

.landing-nav:not(.transparent) .landing-nav__signin {
  color: var(--gray-900);
}

.landing-nav:not(.transparent) .landing-nav__signin:hover {
  color: var(--primary-teal);
}

/* Mobile Menu Toggle */
.landing-nav__toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--gray-900);
  cursor: pointer;
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  background: var(--gradient-hero);
  padding: 140px 0 100px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(126, 196, 207, 0.3) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: var(--white);
  clip-path: polygon(0 100%, 100% 100%, 100% 50%, 0 100%);
}

.hero__container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6xl);
  align-items: center;
}

.hero__content {
  color: var(--white);
}

.hero__title {
  font-size: var(--text-5xl);
  font-weight: var(--font-extrabold);
  line-height: 1.1;
  margin-bottom: var(--space-2xl);
}

.hero__subtitle {
  font-size: var(--text-lg);
  line-height: 1.6;
  opacity: 0.9;
  margin-bottom: var(--space-4xl);
  max-width: 540px;
}

.hero__ctas {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

.hero__trust {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--text-sm);
  opacity: 0.9;
}

.hero__trust-avatars {
  display: flex;
  margin-left: calc(var(--space-sm) * -1);
}

.hero__trust-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--white);
  margin-left: calc(var(--space-sm) * -1);
}

.hero__illustration {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__illustration img,
.hero__illustration-img {
  width: 100%;
  max-width: 650px;
  height: auto;
  min-height: 400px;
  object-fit: contain;
  /* Flat design - no borders, shadows, or effects */
  border: none;
  border-radius: 0;
  filter: none;
  box-shadow: none;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-lg) var(--space-3xl);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  text-decoration: none;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-primary {
  background: var(--white);
  color: var(--primary-teal);
  box-shadow: var(--shadow-button);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

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

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-cta {
  background: var(--gradient-cta);
  color: var(--white);
  box-shadow: var(--shadow-button);
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-outline {
  background: transparent;
  color: var(--primary-teal);
  border: 2px solid var(--primary-teal);
}

.btn-outline:hover {
  background: var(--primary-light);
}

.btn-lg {
  padding: var(--space-xl) var(--space-4xl);
  font-size: var(--text-lg);
}

/* ===== SECTION TAG ===== */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary-teal);
  margin-bottom: var(--space-lg);
}

.section-tag i {
  font-size: var(--text-sm);
}

/* ===== FEATURES SECTION ===== */
.features {
  padding: var(--space-4xl) 0 var(--space-8xl) 0;
  background: var(--white);
}

.features__header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-6xl);
}

.features__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--gray-900);
  margin-bottom: var(--space-lg);
}

.features__subtitle {
  font-size: var(--text-base);
  color: var(--gray-600);
  line-height: 1.7;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3xl);
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-4xl);
  transition: all var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: var(--space-xl);
}

.feature-card__icon--blue {
  background: var(--feature-blue);
  color: var(--primary-teal);
}

.feature-card__icon--orange {
  background: var(--feature-orange);
  color: var(--warning);
}

.feature-card__icon--purple {
  background: var(--feature-purple);
  color: #8B5CF6;
}

.feature-card__icon--green {
  background: var(--feature-green);
  color: var(--success);
}

.feature-card__icon--peach {
  background: var(--feature-peach);
  color: #F4B576;
}

.feature-card__title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--gray-900);
  margin-bottom: var(--space-md);
}

.feature-card__description {
  font-size: var(--text-base);
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.feature-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--primary-teal);
  text-decoration: none;
  transition: gap var(--transition-fast);
}

.feature-card__link:hover {
  gap: var(--space-md);
}

/* ===== HOW IT WORKS SECTION ===== */
.how-it-works {
  padding: var(--space-8xl) 0;
  background: var(--gradient-light);
}

.how-it-works__header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-6xl);
}

.how-it-works__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--gray-900);
  margin-bottom: var(--space-lg);
}

.how-it-works__subtitle {
  font-size: var(--text-base);
  color: var(--gray-600);
}

.how-it-works__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4xl);
  position: relative;
  margin-bottom: var(--space-6xl);
}

.how-it-works__steps::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 16.66%;
  right: 16.66%;
  height: 2px;
  background: linear-gradient(to right, var(--primary-teal) 0%, var(--primary-teal) 50%, var(--gray-300) 50%, var(--gray-300) 100%);
  background-size: 20px 2px;
  z-index: 0;
}

.step {
  position: relative;
  z-index: 1;
  text-align: center;
}

.step__number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--primary-teal);
  color: var(--white);
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-xl);
  box-shadow: 0 4px 12px rgba(95, 168, 184, 0.3);
}

.step__title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--gray-900);
  margin-bottom: var(--space-md);
}

.step__description {
  font-size: var(--text-base);
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.step__illustration {
  width: 100%;
  max-width: 250px;
  margin: 0 auto;
}

.step__illustration img {
  width: 100%;
  height: auto;
  object-fit: contain;
  /* Transparent images - no borders, shadows, or effects */
  border: none;
  border-radius: 0;
  box-shadow: none;
  filter: none;
}

.how-it-works__cta {
  text-align: center;
}

.how-it-works__cta-note {
  margin-top: var(--space-lg);
  font-size: var(--text-sm);
  color: var(--gray-600);
}

/* ===== SOCIAL PROOF SECTION ===== */
.social-proof {
  padding: var(--space-4xl) 0 var(--space-8xl) 0;
  background: var(--white);
}

.social-proof--alternate {
  background: linear-gradient(135deg, rgba(95, 168, 184, 0.05) 0%, rgba(255, 255, 255, 1) 100%);
}

.social-proof__header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-6xl);
}

.social-proof__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--gray-900);
  margin-bottom: var(--space-lg);
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3xl);
  margin-bottom: var(--space-8xl);
}

.stat-card {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: var(--space-4xl) var(--space-2xl);
  text-align: center;
}

.stat-card__icon {
  font-size: 32px;
  color: var(--primary-teal);
  margin-bottom: var(--space-lg);
}

.stat-card__value {
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  color: var(--primary-teal);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.stat-card__value--green {
  color: var(--success);
}

.stat-card__label {
  font-size: var(--text-base);
  color: var(--gray-600);
}

.testimonials__header {
  text-align: center;
  margin-bottom: var(--space-4xl);
}

.testimonials__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--gray-900);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3xl);
  margin-bottom: var(--space-6xl);
}

.testimonial-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-3xl);
}

.testimonial-card__stars {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.testimonial-card__star {
  color: #FCD34D;
  font-size: var(--text-lg);
}

.testimonial-card__quote {
  font-size: var(--text-base);
  font-style: italic;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--primary-light);
}

.testimonial-card__name {
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: var(--gray-900);
}

.testimonial-card__title {
  font-size: var(--text-sm);
  color: var(--gray-600);
}

.logos {
  text-align: center;
}

.logos__text {
  font-size: var(--text-sm);
  color: var(--gray-600);
  margin-bottom: var(--space-xl);
}

.logos__grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-5xl);
  flex-wrap: wrap;
}

.logos__item {
  height: 48px;
  opacity: 0.5;
  filter: grayscale(100%);
  transition: all var(--transition-base);
}

.logos__item:hover {
  opacity: 0.8;
  filter: grayscale(0%);
}

/* ===== CTA SECTION ===== */
.cta {
  position: relative;
  background: var(--gradient-cta);
  padding: var(--space-4xl) 0 var(--space-8xl) 0;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.cta__container {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cta__title {
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  color: var(--white);
  margin-bottom: var(--space-lg);
}

.cta__subtitle {
  font-size: var(--text-lg);
  color: var(--white);
  opacity: 0.9;
  line-height: 1.7;
  margin-bottom: var(--space-4xl);
}

.cta__buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

.cta__trust {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2xl);
  color: var(--white);
  font-size: var(--text-sm);
  opacity: 0.9;
}

.cta__trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.cta__trust-icon {
  font-size: var(--text-lg);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: var(--space-6xl) 0 var(--space-3xl);
}

.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-5xl);
  margin-bottom: var(--space-5xl);
}

.footer__brand {
  max-width: 320px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  text-decoration: none;
  color: var(--white);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
}

.footer__logo-icon {
  font-size: 28px;
  color: var(--primary-teal);
}

.footer__description {
  font-size: var(--text-base);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.footer__social {
  display: flex;
  gap: var(--space-md);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  background: var(--primary-teal);
}

.footer__column-title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--white);
  margin-bottom: var(--space-xl);
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer__link {
  text-decoration: none;
  color: var(--gray-400);
  font-size: var(--text-base);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--white);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-3xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__copyright {
  font-size: var(--text-sm);
}

.footer__bottom-right {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.footer__lang-selector {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
  color: var(--gray-400);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.footer__payment-icons {
  display: flex;
  gap: var(--space-md);
}

.footer__payment-icon {
  height: 24px;
  opacity: 0.5;
  filter: grayscale(100%);
}