/* ============================================
   Acqua Component Styles
   ============================================ */

/* ===========================
   HEADER / NAVIGATION
   =========================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  padding: 1.25rem 0;
  transition: all var(--transition-base);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  padding: 0.75rem 0;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--content-max-width);
  margin-inline: auto;
  padding-inline: var(--space-xl);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-family-en);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: var(--letter-spacing-tight);
}

.header__logo:hover {
  color: var(--color-primary);
}

.header__logo-icon {
  width: 36px;
  height: 36px;
}

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

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

.nav__link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  letter-spacing: var(--letter-spacing-base);
  position: relative;
  padding-block: var(--space-xs);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent-gradient);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-base);
}

.nav__link:hover {
  color: var(--color-accent-start);
}

.nav__link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header__cta .btn {
  padding: 0.625rem 1.5rem;
  font-size: var(--font-size-sm);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  z-index: calc(var(--z-header) + 1);
}

.menu-toggle__line {
  width: 100%;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.menu-toggle.is-active .menu-toggle__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-active .menu-toggle__line:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-active .menu-toggle__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===========================
   HERO SECTION
   =========================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-bg-base) 0%, #EDF2FF 50%, var(--color-bg-base) 100%);
  overflow: hidden;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero__title {
  font-size: var(--font-size-hero);
  font-weight: var(--font-weight-black);
  line-height: 1.25;
  letter-spacing: var(--letter-spacing-tight);
  margin-bottom: var(--space-xl);
  overflow: hidden;
}

.hero__title-line {
  display: block;
  overflow: hidden;
}

.hero__title .em {
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-2xl);
  max-width: 600px;
}

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

.hero__scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  font-family: var(--font-family-en);
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: var(--color-text-muted);
  position: relative;
  overflow: hidden;
}

.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-accent-start);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { top: -100%; }
  50% { top: 100%; }
  100% { top: 100%; }
}

/* ===========================
   PROBLEM SECTION
   =========================== */
.problems__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.problem-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  border-left: 4px solid var(--color-danger);
  transition: all var(--transition-base);
}

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

.problem-card__icon {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-md);
}

.problem-card__text {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-base);
  color: var(--color-text-primary);
}

.problems__cta {
  text-align: center;
  margin-top: var(--space-3xl);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

/* ===========================
   AFFINITY (STORY) SECTION
   =========================== */
.affinity {
  background: var(--color-bg-white);
}

.affinity__inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-3xl);
  align-items: start;
}

.affinity__image-wrapper {
  position: sticky;
  top: calc(80px + var(--space-xl));
}

.affinity__image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.affinity__image img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.affinity__text h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-lg);
}

.affinity__text p {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-lg);
}

.affinity__text p strong {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
}

.affinity__quote {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  margin-block: var(--space-xl);
  border-left: 4px solid var(--color-accent-start);
  font-style: italic;
  color: var(--color-text-secondary);
}

/* ===========================
   SOLUTION (REASONS) SECTION
   =========================== */
.reasons__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.reason-card {
  text-align: center;
  padding: var(--space-2xl) var(--space-xl);
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.reason-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-accent-gradient);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.reason-card:hover::before {
  transform: scaleX(1);
}

.reason-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.reason-card__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent-gradient);
  color: var(--color-text-white);
  font-family: var(--font-family-en);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-lg);
}

.reason-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-md);
}

.reason-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-base);
}

/* ===========================
   SERVICES SECTION
   =========================== */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-xl);
}

.service-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
  position: relative;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.service-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(46, 124, 246, 0.1), rgba(0, 212, 170, 0.1));
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-2xl);
}

.service-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-sm);
}

.service-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-base);
  margin-bottom: var(--space-lg);
}

.service-card__tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--color-bg-alt);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

/* ===========================
   CASE STUDY SECTION
   =========================== */
.cases__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.case-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
}

.case-card__label {
  font-family: var(--font-family-en);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--color-accent-start);
  margin-bottom: var(--space-md);
}

.case-card__side {
  padding: var(--space-2xl);
}

.case-card__side--before {
  background: var(--color-bg-alt);
  border-right: 1px solid var(--color-border);
}

.case-card__side--after {
  background: var(--color-bg-white);
}

.case-card__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.case-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-base);
}

.case-card__result {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: linear-gradient(135deg, rgba(46, 124, 246, 0.05), rgba(0, 212, 170, 0.05));
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent-start);
}

.cases__note {
  text-align: center;
  margin-top: var(--space-xl);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ===========================
   TESTIMONIALS SECTION
   =========================== */
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.testimonial-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  position: relative;
}

.testimonial-card__quote-mark {
  position: absolute;
  top: var(--space-lg);
  left: var(--space-xl);
  font-size: 4rem;
  line-height: 1;
  color: var(--color-accent-start);
  opacity: 0.15;
  font-family: Georgia, serif;
}

.testimonial-card__text {
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  font-style: italic;
  position: relative;
  z-index: 1;
}

.testimonial-card__author {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

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

/* ===========================
   OFFER (MONITOR) SECTION
   =========================== */
.offer {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-text-white);
  position: relative;
  overflow: hidden;
}

.offer::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(46, 124, 246, 0.1);
  filter: blur(100px);
}

.offer__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.offer__badge {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-lg);
  backdrop-filter: blur(8px);
}

.offer__title {
  color: var(--color-text-white);
}

.offer__subtitle {
  color: rgba(255, 255, 255, 0.7);
}

.offer__intro {
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
  margin-bottom: var(--space-3xl);
  font-size: var(--font-size-md);
  color: rgba(255, 255, 255, 0.85);
  line-height: var(--line-height-relaxed);
}

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

.offer__box {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  backdrop-filter: blur(8px);
}

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

.offer__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.offer__list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.9);
}

.offer__list-icon {
  flex-shrink: 0;
  font-size: var(--font-size-lg);
}

.offer__remaining {
  text-align: center;
}

.offer__remaining-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: var(--letter-spacing-wide);
  margin-bottom: var(--space-sm);
}

.offer__remaining-count {
  font-family: var(--font-family-en);
  font-size: 4rem;
  font-weight: var(--font-weight-black);
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.offer__remaining-unit {
  font-size: var(--font-size-xl);
  color: rgba(255, 255, 255, 0.8);
  margin-left: var(--space-sm);
  -webkit-text-fill-color: initial;
  background: none;
}

/* ===========================
   NARROWING SECTION
   =========================== */
.narrowing__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
}

.narrowing__col-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-lg);
}

.narrowing__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.narrowing__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
}

.narrowing__item--positive {
  color: var(--color-text-primary);
}

.narrowing__item--negative {
  color: var(--color-text-muted);
}

.narrowing__icon {
  flex-shrink: 0;
  font-size: var(--font-size-lg);
}

/* ===========================
   GUARANTEE SECTION
   =========================== */
.guarantees__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.guarantee-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  text-align: center;
  transition: all var(--transition-base);
}

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

.guarantee-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(46, 124, 246, 0.1), rgba(0, 212, 170, 0.1));
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-lg);
}

.guarantee-card__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-sm);
}

.guarantee-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-base);
}

/* ===========================
   FINAL CTA SECTION
   =========================== */
.final-cta {
  background: linear-gradient(135deg, var(--color-bg-base) 0%, #EDF2FF 100%);
  text-align: center;
}

.final-cta__title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-lg);
}

.final-cta__subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-2xl);
  line-height: var(--line-height-relaxed);
}

.final-cta__actions {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-xl);
}

.final-cta__note {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.final-cta__note-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

/* ===========================
   FOOTER
   =========================== */
.site-footer {
  background: var(--color-bg-dark);
  color: var(--color-text-white);
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-xl);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer__brand {
  max-width: 360px;
}

.footer__logo {
  font-family: var(--font-family-en);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-white);
  text-decoration: none;
  margin-bottom: var(--space-md);
  display: inline-block;
}

.footer__tagline {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  line-height: var(--line-height-base);
  margin-top: var(--space-md);
}

.footer__heading {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--space-lg);
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__link {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

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

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

.footer__company-info {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.4);
  line-height: var(--line-height-base);
}

.footer__legal {
  display: flex;
  gap: var(--space-lg);
}

.footer__legal a {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.4);
}

.footer__legal a:hover {
  color: rgba(255, 255, 255, 0.7);
}

.footer__copyright {
  text-align: center;
  padding-top: var(--space-xl);
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.3);
  font-family: var(--font-family-en);
}

/* ===========================
   CONTACT FORM
   =========================== */
.contact-form {
  max-width: 640px;
  margin-inline: auto;
}

.form__group {
  margin-bottom: var(--space-xl);
}

.form__label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.form__required {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  background: var(--color-danger);
  color: var(--color-text-white);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-sm);
  margin-left: var(--space-sm);
}

.form__optional {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-sm);
  margin-left: var(--space-sm);
}

.form__input,
.form__textarea,
.form__select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-white);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  outline: none;
  border-color: var(--color-accent-start);
  box-shadow: 0 0 0 3px rgba(46, 124, 246, 0.1);
}

.form__textarea {
  min-height: 160px;
  resize: vertical;
}

.form__radio-group,
.form__checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.form__radio,
.form__checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
}

.form__radio input,
.form__checkbox input {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--color-accent-start);
}

.form__helper {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

.form__submit {
  text-align: center;
  margin-top: var(--space-2xl);
}

.form__consent {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  font-size: var(--font-size-sm);
}

.form__consent input {
  margin-top: 4px;
}

.form__consent a {
  text-decoration: underline;
}