/* ============================================================
   BREATHIFY — Homepage Styles
   Announcement bar, hero, features, testimonials, etc.
   ============================================================ */

/* ── Announcement Bar ── */
.announcement-bar {
  background: linear-gradient(135deg, var(--brand-accent) 0%, var(--brand-primary-dark) 100%);
  color: var(--text-white);
  text-align: center;
  padding: var(--space-xs) var(--space-md);
  font-family: var(--font-accent);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  position: relative;
  z-index: var(--z-sticky);
}

.announcement-bar a {
  color: var(--text-white);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.announcement-bar a:hover {
  color: var(--brand-primary-lightest);
}

.announcement-bar__close {
  position: absolute;
  right: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  padding: var(--space-2xs);
  transition: color var(--duration-fast) var(--ease-out);
  line-height: 0;
}

.announcement-bar__close:hover {
  color: var(--text-white);
}


/* ── Hero Section ── */
.hero {
  position: relative;
  padding: 40px 0 48px;
  display: flex;
  align-items: center;
  background: linear-gradient(165deg, var(--surface-blue-tint) 0%, var(--surface-white) 40%, var(--surface-off-white) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 60%;
  height: 120%;
  background: radial-gradient(ellipse, rgba(135, 206, 235, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -5%;
  left: -5%;
  width: 40%;
  height: 50%;
  background: radial-gradient(ellipse, rgba(45, 125, 168, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero .breathify-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  position: relative;
  z-index: var(--z-base);
}

.hero__content {
  padding: var(--space-md) 0;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--surface-blue-tint);
  border: 1px solid var(--brand-primary-light);
  border-radius: var(--radius-full);
  padding: var(--space-2xs) var(--space-md);
  font-family: var(--font-accent);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--brand-accent);
  margin-bottom: var(--space-lg);
}

.hero__title {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: var(--fw-extrabold);
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.03em;
}

.hero__title span {
  background: linear-gradient(135deg, var(--brand-accent), var(--brand-primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: var(--fs-lg);
  color: var(--text-secondary);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-xl);
  max-width: 520px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl);
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  font-weight: var(--fw-medium);
}

.hero__trust-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--surface-blue-tint);
  border-radius: var(--radius-full);
  color: var(--brand-accent);
  flex-shrink: 0;
}

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

.hero__image-wrapper {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
}

.hero__image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
}

.hero__image-accent {
  position: absolute;
  width: 120%;
  height: 120%;
  top: -10%;
  left: -10%;
  background: radial-gradient(circle, rgba(135, 206, 235, 0.1) 0%, transparent 70%);
  z-index: -1;
  border-radius: 50%;
}

/* Floating Cards — animated */
@keyframes floatCardIn {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes floatBob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero__floating-card {
  position: absolute;
  background: var(--surface-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  z-index: 2;
  opacity: 0;
  animation: floatCardIn 0.8s ease forwards, floatBob 3s ease-in-out 0.8s infinite;
}

.hero__floating-card--rating {
  bottom: 15%;
  left: -8%;
  animation-delay: 1s;
  animation: floatCardIn 0.8s ease 1s forwards, floatBob 3s ease-in-out 1.8s infinite;
}

.hero__floating-card--airflow {
  top: 15%;
  right: -5%;
  animation: floatCardIn 0.8s ease 1.5s forwards, floatBob 3.5s ease-in-out 2.3s infinite;
}

.hero__floating-card .card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero__floating-card .card-icon--blue {
  background: var(--surface-blue-tint);
  color: var(--brand-accent);
}

.hero__floating-card .card-icon--green {
  background: var(--success-light);
  color: var(--success);
}


/* ── Social Proof Bar ── */
.social-proof-bar {
  background: var(--surface-white);
  border-top: 1px solid var(--surface-blue-tint-dark);
  border-bottom: 1px solid var(--surface-blue-tint-dark);
  padding: var(--space-lg) 0;
  overflow: hidden;
}

.social-proof-bar__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3xl);
  flex-wrap: wrap;
}

.social-proof-stat {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-align: left;
}

.social-proof-stat__number {
  font-family: var(--font-heading);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-extrabold);
  color: var(--brand-accent);
}

.social-proof-stat__label {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  max-width: 140px;
  line-height: var(--lh-normal);
}


/* ── Featured Product ── */
.featured-product {
  background: var(--surface-off-white);
}

.featured-product__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.featured-product__gallery {
  position: relative;
}

.featured-product__main-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--surface-white);
}

.featured-product__main-image img {
  width: 100%;
  height: auto;
  transition: transform var(--duration-slow) var(--ease-out);
}

.featured-product__main-image:hover img {
  transform: scale(1.03);
}

.featured-product__thumbnails {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.featured-product__thumb {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--duration-fast) var(--ease-out);
  background: var(--surface-white);
}

.featured-product__thumb:hover,
.featured-product__thumb.active {
  border-color: var(--brand-accent);
  box-shadow: var(--shadow-md);
}

.featured-product__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured-product__info {
  padding: var(--space-lg) 0;
}

.featured-product__name {
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-sm);
}

.featured-product__rating {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.featured-product__rating-text {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

.featured-product__price {
  font-family: var(--font-heading);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  color: var(--brand-accent);
  margin-bottom: var(--space-md);
}

.featured-product__price del {
  font-size: var(--fs-lg);
  color: var(--text-muted);
  font-weight: var(--fw-normal);
  margin-left: var(--space-sm);
}

.featured-product__desc {
  font-size: var(--fs-base);
  line-height: var(--lh-relaxed);
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.featured-product__includes {
  list-style: none;
  margin-bottom: var(--space-xl);
}

.featured-product__includes li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
  font-size: var(--fs-base);
  color: var(--text-secondary);
}

.featured-product__includes li svg {
  color: var(--success);
  flex-shrink: 0;
}


/* ── Day vs Night Split ── */
.day-night {
  background: var(--surface-white);
  position: relative;
  overflow: hidden;
}

.day-night__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.day-night__panel {
  padding: var(--space-3xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.day-night__panel--night {
  background: linear-gradient(165deg, #1a1e3a 0%, #2d1b4e 100%);
  color: var(--text-white);
}

.day-night__panel--day {
  background: linear-gradient(165deg, var(--surface-blue-tint) 0%, var(--surface-white) 100%);
}

.day-night__icon {
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-md);
}

.day-night__panel-title {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-lg);
}

.day-night__panel--night .day-night__panel-title {
  color: var(--text-white);
}

.day-night__benefits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.day-night__benefits li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
}

.day-night__panel--night .day-night__benefits li {
  color: rgba(255, 255, 255, 0.85);
}

.day-night__benefits li svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.day-night__panel--night .day-night__benefits li svg {
  color: var(--brand-primary-light);
}

.day-night__panel--day .day-night__benefits li svg {
  color: var(--brand-accent);
}


/* ── How It Works ── */
.how-it-works {
  background: var(--surface-off-white);
}

.how-it-works__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
  position: relative;
}

.how-it-works__steps::before {
  content: '';
  position: absolute;
  top: 50px;
  left: 16.66%;
  right: 16.66%;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-primary-light), var(--brand-accent), var(--brand-primary-light));
  z-index: 0;
}

.how-it-works__step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.how-it-works__number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-accent), var(--brand-primary-dark));
  color: var(--text-white);
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  box-shadow: 0 4px 16px rgba(45, 125, 168, 0.3);
  position: relative;
}

.how-it-works__number::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px dashed var(--brand-primary-light);
}

.how-it-works__icon {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--space-md);
  border-radius: var(--radius-xl);
  background: var(--surface-white);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.how-it-works__step-title {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-xs);
}

.how-it-works__step-desc {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  max-width: 260px;
  margin: 0 auto;
}


/* ── Benefits Grid ── */
.benefits {
  background: var(--surface-white);
}

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

.benefit-card {
  background: var(--surface-off-white);
  border: 1px solid var(--surface-blue-tint-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-out);
}

.benefit-card:hover {
  background: var(--surface-white);
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.benefit-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--surface-blue-tint);
  color: var(--brand-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  font-size: 1.5rem;
  transition: all var(--duration-normal) var(--ease-out);
}

.benefit-card:hover .benefit-card__icon {
  background: linear-gradient(135deg, var(--brand-accent), var(--brand-primary-dark));
  color: var(--text-white);
  transform: scale(1.1);
}

.benefit-card__title {
  font-size: var(--fs-md);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-xs);
}

.benefit-card__desc {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  margin: 0;
}


/* ── Testimonials ── */
.testimonials {
  background: var(--surface-blue-tint);
}

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

.testimonial-card {
  background: var(--surface-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--duration-normal) var(--ease-out);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.testimonial-card__stars {
  margin-bottom: var(--space-md);
}

.testimonial-card__text {
  font-size: var(--fs-base);
  line-height: var(--lh-relaxed);
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: var(--space-lg);
  position: relative;
}

.testimonial-card__text::before {
  content: '"';
  font-size: var(--fs-4xl);
  font-family: Georgia, serif;
  color: var(--brand-primary-light);
  position: absolute;
  top: -10px;
  left: -5px;
  line-height: 1;
}

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

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  font-weight: var(--fw-bold);
  font-size: var(--fs-md);
}

.testimonial-card__name {
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
}

.testimonial-card__product {
  font-size: var(--fs-xs);
  color: var(--text-muted);
}


/* ── CTA Banner ── */
.cta-banner {
  background: linear-gradient(135deg, var(--brand-accent) 0%, var(--brand-primary-dark) 40%, var(--brand-primary) 100%);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.cta-banner .breathify-container {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-banner__title {
  font-size: var(--fs-3xl);
  color: var(--text-white);
  margin-bottom: var(--space-md);
}

.cta-banner__subtitle {
  font-size: var(--fs-lg);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner__actions {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}


/* ── Newsletter ── */
.newsletter {
  background: var(--surface-off-white);
}

.newsletter__form {
  display: flex;
  gap: var(--space-sm);
  max-width: 500px;
  margin: 0 auto;
}

.newsletter__input {
  flex: 1;
  padding: var(--space-sm) var(--space-lg);
  border: 2px solid var(--surface-blue-tint-dark);
  border-radius: var(--radius-xl);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  background: var(--surface-white);
  color: var(--text-primary);
  transition: border-color var(--duration-fast) var(--ease-out);
  outline: none;
}

.newsletter__input:focus {
  border-color: var(--brand-accent);
  box-shadow: 0 0 0 3px rgba(45, 125, 168, 0.1);
}

.newsletter__input::placeholder {
  color: var(--text-muted);
}


/* ── Responsive ── */
@media (max-width: 1024px) {
  .hero .breathify-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__subtitle {
    margin: 0 auto var(--space-xl);
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__trust {
    justify-content: center;
  }

  .hero__media {
    max-width: 500px;
    margin: 0 auto;
  }

  .hero__floating-card {
    display: none;
  }

  .featured-product__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .day-night__grid {
    grid-template-columns: 1fr;
  }

  .how-it-works__steps::before {
    display: none;
  }

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

@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: var(--space-2xl) 0;
  }

  .social-proof-bar__inner {
    gap: var(--space-xl);
  }

  .how-it-works__steps {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

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

  .testimonials__carousel {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  .day-night__panel {
    padding: var(--space-xl);
  }

  .newsletter__form {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .benefits__grid {
    grid-template-columns: 1fr;
  }

  .social-proof-bar__inner {
    flex-direction: column;
    gap: var(--space-md);
  }
}