/* ==========================================================================
   CERNIS — Static Site Stylesheet
   ========================================================================== */

:root {
  /* Brand colors */
  --color-brand: #4F46E5;
  --color-brand-dark: #4338CA;
  --color-brand-light: #847EEC;
  --color-brand-tint-1: #847EEC;
  --color-brand-tint-2: #726CEA;
  --color-brand-tint-3: #615AE8;
  --color-brand-tint-4: #4F46E5;

  --color-ink: #2A2470;
  --color-text: #4B5563;
  --color-text-muted: #6B6F8C;
  --color-white: #FFFFFF;
  --color-surface: #F7F6FE;
  --color-border: #E3E0FB;

  /* Hero background stripes */
  --color-hero-bg-1: #EFEDFC;
  --color-hero-bg-2: #E7E5FB;

  /* Typography */
  --font-display: 'Zalando Sans Expanded', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Zalando Sans Expanded', 'Helvetica Neue', Arial, sans-serif;

  /* Layout */
  --container-max: 1440px;
  --container-pad: clamp(20px, 4vw, 64px);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-base: 0.7s;
}

/* ==========================================================================
   Reset
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.5;
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
}

ul {
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, p {
  margin: 0;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--container-pad);
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   Scroll reveal animation
   ========================================================================== */

[data-reveal] {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
  transition-delay: 0s;
  will-change: opacity, transform;
}

[data-reveal][data-reveal-delay="1"] {
  transition-delay: 0.12s;
}

[data-reveal][data-reveal-delay="2"] {
  transition-delay: 0.24s;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.05rem 2.25rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: transform 0.35s var(--ease-out), background-color 0.35s var(--ease-out), color 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}

.btn--outline {
  background: transparent;
  color: var(--color-brand);
  border: 1.5px solid var(--color-brand);
}

.btn--outline:hover {
  background: var(--color-brand);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -8px rgba(79, 70, 229, 0.55);
}

.btn--outline:active {
  transform: translateY(0);
}

/* ==========================================================================
   Announcement bar
   ========================================================================== */

.announcement-bar {
  background-color: var(--color-brand);
  padding: 14px var(--container-pad);
}

.announcement-bar__inner {
  max-width: 1180px;
  margin: 0 auto;
  background-color: var(--color-white);
  border-radius: 999px;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  color: var(--color-brand);
  font-weight: 600;
  font-size: 0.95rem;
}

.announcement-bar__icon {
  display: inline-flex;
  align-items: center;
}

.announcement-bar__arrow {
  display: inline-flex;
  align-items: center;
  transition: transform 0.3s var(--ease-out);
}

.announcement-bar__inner:hover .announcement-bar__arrow {
  transform: translateX(4px);
}

/* ==========================================================================
   Header / Nav
   ========================================================================== */

.site-header {
  background-color: var(--color-brand);
}

.site-header__inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem var(--container-pad);
  color: var(--color-white);
}

.logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.1;
}

.logo__title {
  font-size: clamp(1.8rem, 2.6vw, 2.4rem);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.main-nav__link {
  padding: 0.6rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background-color 0.3s var(--ease-out), color 0.3s var(--ease-out);
}

.main-nav__link:hover {
  background-color: rgba(255, 255, 255, 0.12);
}

.main-nav__link.is-active {
  background-color: rgba(255, 255, 255, 0.18);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: transparent;
  border: none;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  padding-top: clamp(2rem, 6vw, 4rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: repeating-linear-gradient(
    90deg,
    var(--color-hero-bg-1) 0,
    var(--color-hero-bg-1) 6.5%,
    var(--color-hero-bg-2) 6.5%,
    var(--color-hero-bg-2) 13%
  );
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(6rem, 24vw, 22rem);
  line-height: 0.82;
  letter-spacing: -0.01em;
  text-align: center;
  margin: 0;
  padding: 0 clamp(0.5rem, 1.5vw, 1.5rem);
  background: linear-gradient(135deg, #6E66EE 0%, #5046E5 35%, #2A2470 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition-duration: 1.1s;
}

.hero__content {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 4.5rem) var(--container-pad) 0;
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.hero__line {
  font-size: clamp(1.6rem, 3.2vw, 2.5rem);
  line-height: 1.35;
  color: var(--color-brand);
  font-weight: 400;
}

.hero__line strong {
  font-weight: 800;
}

.hero__line--muted {
  color: var(--color-brand);
}

.hero__underline-link {
  font-weight: 800;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.hero__card {
  background-color: var(--color-brand);
  color: var(--color-white);
  border-radius: 1.5rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  position: relative;
  box-shadow: 0 25px 60px -20px rgba(79, 70, 229, 0.55);
}

.hero__card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.hero__card-spark {
  color: var(--color-white);
  animation: spark-pulse 3.2s ease-in-out infinite;
}

@keyframes spark-pulse {
  0%, 100% { transform: scale(1) rotate(0deg); opacity: 1; }
  50% { transform: scale(1.18) rotate(12deg); opacity: 0.75; }
}

.hero__card-title {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 1.1rem;
}

.hero__card-title strong {
  font-weight: 800;
}

.hero__card-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  list-style: none;
  font-size: 0.95rem;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.92);
}

.hero__card-list li {
  padding-left: 1.1rem;
  position: relative;
}

.hero__card-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.8);
}

/* ==========================================================================
   Logo marquee strip
   ========================================================================== */

.logo-strip {
  background-color: var(--color-brand);
  overflow: hidden;
  padding: clamp(1.6rem, 3vw, 2.4rem) 0;
}

.logo-strip__track {
  display: flex;
  width: max-content;
  animation: marquee 32s linear infinite;
}

.logo-strip__group {
  display: flex;
  align-items: center;
  gap: clamp(3rem, 6vw, 6rem);
  padding-right: clamp(3rem, 6vw, 6rem);
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.logo-strip:hover .logo-strip__track {
  animation-play-state: paused;
}

.logo-strip__item {
  display: block;
  height: clamp(2.25rem, 4vw, 3.25rem);
  width: auto;
  flex: 0 0 auto;
  opacity: 0.95;
}

.logo-strip__item--mob {
  height: clamp(2rem, 3.4vw, 2.85rem);
}

.mob-dots {
  display: inline-grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.18em;
  margin-left: 0.3em;
  vertical-align: middle;
}

.mob-dots i {
  width: 0.22em;
  height: 0.22em;
  border-radius: 50%;
  background-color: #2DD4A7;
  display: block;
}

/* ==========================================================================
   Client spotlight
   ========================================================================== */

.spotlight {
  padding: clamp(3rem, 7vw, 6rem) var(--container-pad);
  max-width: var(--container-max);
  margin: 0 auto;
}

.spotlight__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.15;
  color: var(--color-brand);
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.spotlight__media {
  border-radius: 1.25rem;
  overflow: hidden;
  background-color: #D9D9D9;
}

.spotlight__video-wrap {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 */
}

.spotlight__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}


/* ==========================================================================
   Process / Accordion Slider ("Proven Results. Powerful Impact.")
   ========================================================================== */

.process {
  border-top: 1.5px solid var(--color-border);
}

.process__inner {
  display: grid;
  grid-template-columns: 320px 1fr;
}

.process__intro {
  padding: clamp(2rem, 4vw, 3rem) clamp(1.5rem, 3vw, 3rem);
  display: flex;
  align-items: flex-start;
  border-right: 1.5px solid var(--color-border);
}

.process__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.6vw, 2.75rem);
  line-height: 1.18;
  font-weight: 800;
}

.process__title-line {
  display: block;
}

.process__title-line--solid {
  color: var(--color-brand);
}

.process__title-line--outline {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--color-brand);
  text-stroke: 1.5px var(--color-brand);
  opacity: 0.55;
}

/* Accordion */
.accordion {
  display: flex;
  width: 100%;
  height: clamp(420px, 46vw, 620px);
  overflow: hidden;
}

.accordion__panel {
  position: relative;
  flex: 1 1 0%;
  min-width: 0;
  display: flex;
  background: var(--panel-bg, var(--color-brand-tint-1));
  transition: flex-grow 0.7s var(--ease-out), background-color 0.7s var(--ease-out);
  cursor: pointer;
  overflow: hidden;
}

.accordion__panel + .accordion__panel {
  border-left: 1px solid rgba(255, 255, 255, 0.18);
}

.accordion__panel.is-active {
  flex-grow: 9;
}

.accordion__panel:not(.is-active) {
  flex-grow: 1;
}

.accordion__toggle {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  background: transparent;
  border: none;
  padding: clamp(1.5rem, 3vw, 2.25rem) clamp(1rem, 2vw, 1.75rem);
  color: var(--color-white);
  width: 100%;
  text-align: left;
}

.accordion__number {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  letter-spacing: 0.02em;
  display: inline-block;
  transition: opacity 0.4s var(--ease-out);
}

.accordion__panel.is-active .accordion__toggle {
  pointer-events: none;
}

.accordion__media {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s var(--ease-out) 0.1s;
}

.accordion__panel.is-active .accordion__media {
  opacity: 1;
}

.accordion__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.accordion__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20, 16, 60, 0) 35%, rgba(20, 16, 60, 0.78) 100%);
}

.accordion__mark {
  position: absolute;
  top: 28%;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  color: rgba(20, 16, 60, 0.85);
  letter-spacing: 0.1em;
}

.accordion__content {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: clamp(1.25rem, 3vw, 2.25rem);
  color: var(--color-white);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s var(--ease-out) 0.15s, transform 0.5s var(--ease-out) 0.15s;
  max-width: 620px;
}

.accordion__panel.is-active .accordion__content {
  opacity: 1;
  transform: translateY(0);
}

.accordion__content h3 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 1.85rem);
  font-weight: 400;
  margin-bottom: 0.6rem;
}

.accordion__content h3 strong {
  font-weight: 800;
}

.accordion__content p {
  font-size: clamp(0.95rem, 1.4vw, 1.05rem);
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.92);
}

/* Hide content of inactive panels for accessibility/layout */
.accordion__panel:not(.is-active) .accordion__content {
  pointer-events: none;
}

/* ==========================================================================
   Testimonials
   ========================================================================== */

.testimonials {
  border-top: 1.5px solid var(--color-border);
}

.testimonials__head {
  display: grid;
  grid-template-columns: 320px 1fr;
}

.testimonials__label {
  padding: clamp(2rem, 4vw, 3rem) clamp(1.5rem, 3vw, 3rem);
  border-right: 1.5px solid var(--color-border);
  font-size: clamp(1.4rem, 2.2vw, 1.8rem);
  color: var(--color-brand);
  line-height: 1.3;
}

.testimonials__label p {
  margin: 0;
}

.testimonials__label strong {
  font-weight: 800;
}

.testimonials__heading {
  padding: clamp(2rem, 4vw, 3rem) clamp(1.5rem, 3vw, 3rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
  min-height: 260px;
}

.testimonials__heading h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.25rem, 5.5vw, 4.25rem);
  line-height: 1.15;
  color: var(--color-brand);
}

.testimonials__counter {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--color-brand);
}

.testimonials__body {
  display: grid;
  grid-template-columns: 320px 1fr 160px;
  border-top: 1.5px solid var(--color-border);
}

.testimonials__media {
  position: relative;
  overflow: hidden;
  border-right: 1.5px solid var(--color-border);
  min-height: 420px;
}

.testimonials__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.testimonials__media:hover img {
  transform: scale(1.04);
}

.testimonials__media-caption {
  position: absolute;
  left: 0;
  bottom: 0;
  background-color: var(--color-brand);
  color: var(--color-white);
  padding: 0.75rem 1.25rem;
  min-width: 60%;
}

.testimonials__name {
  font-weight: 800;
  font-size: 1.05rem;
}

.testimonials__role {
  font-size: 0.85rem;
  opacity: 0.85;
}

.testimonials__content {
  padding: clamp(1.75rem, 4vw, 3rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2.5rem;
  border-right: 1.5px solid var(--color-border);
}

.testimonials__quote {
  margin: 0;
  font-size: clamp(1.15rem, 2vw, 1.6rem);
  line-height: 1.5;
  color: var(--color-brand);
  font-weight: 500;
}

.testimonials__quote strong {
  font-weight: 800;
}

.testimonials__stats {
  display: flex;
  align-items: flex-start;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  flex-wrap: wrap;
}

.testimonials__stat {
  border-left: 1.5px solid var(--color-border);
  padding-left: 1.25rem;
  max-width: 220px;
}

.testimonials__stat h3 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--color-brand);
  margin-bottom: 0.4rem;
}

.testimonials__stat p {
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--color-text-muted);
}

.testimonials__stat-logo {
  margin-left: auto;
  align-self: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--color-white);
  background-color: var(--color-brand);
  padding: 0.6rem 1.4rem;
  border-radius: 0.75rem;
  display: inline-flex;
  align-items: center;
}

.testimonials__stat-logo .mob-dots i {
  background-color: #2DD4A7;
}

.testimonials__nav {
  display: flex;
  flex-direction: column;
}

.testimonials__arrow {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-bottom: 1.5px solid var(--color-border);
  color: var(--color-brand);
  transition: background-color 0.3s var(--ease-out), color 0.3s var(--ease-out);
}

.testimonials__arrow:last-child {
  border-bottom: none;
}

.testimonials__arrow:hover {
  background-color: var(--color-brand);
  color: var(--color-white);
}

/* Fade transition for testimonial content swap */
.testimonials__media,
.testimonials__quote,
.testimonials__stats {
  transition: opacity 0.35s var(--ease-out);
}

.is-fading {
  opacity: 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  border-top: 1.5px solid var(--color-border);
}

.footer__top {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 4rem) var(--container-pad) clamp(2rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: clamp(2rem, 4vw, 3rem);
  color: var(--color-brand);
}

.footer__about p {
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 320px;
  opacity: 0.85;
}

.footer__col {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer__col h3 {
  font-weight: 800;
  margin-bottom: 0.4rem;
  font-size: 0.95rem;
}

.footer__col a {
  font-size: 0.95rem;
  opacity: 0.85;
  transition: opacity 0.25s var(--ease-out), text-decoration-color 0.25s var(--ease-out);
}

.footer__col a:hover {
  opacity: 1;
  text-decoration: underline;
}

.footer__contact {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad) clamp(2.5rem, 5vw, 4rem);
  color: var(--color-brand);
}

.footer__contact-label {
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  opacity: 0.85;
}

.footer__phone,
.footer__email {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
}

.footer__email {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}

.footer__brand {
  background-color: var(--color-brand);
  overflow: hidden;
  display: flex;
  justify-content: center;
  padding: clamp(1rem, 2vw, 1.5rem) 0 0;
}

.footer__brand-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(5rem, 21vw, 18rem);
  line-height: 0.85;
  color: var(--color-white);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.footer__bottom {
  background-color: var(--color-brand);
  color: var(--color-white);
  padding: 0 0 clamp(1.5rem, 3vw, 2.5rem);
}

.footer__bottom-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.9rem;
}

.footer__legal {
  display: flex;
  gap: 1.5rem;
}

.footer__legal a {
  transition: opacity 0.25s var(--ease-out);
  opacity: 0.85;
}

.footer__legal a:hover {
  opacity: 1;
  text-decoration: underline;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .hero__content {
    grid-template-columns: 1fr;
  }

  .hero__card {
    max-width: 480px;
  }

  .process__inner,
  .testimonials__head {
    grid-template-columns: 1fr;
  }

  .process__intro {
    border-right: none;
    border-bottom: 1.5px solid var(--color-border);
  }

  .testimonials__label {
    border-right: none;
    border-bottom: 1.5px solid var(--color-border);
  }

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

  .testimonials__media {
    border-right: none;
    border-bottom: 1.5px solid var(--color-border);
    min-height: 320px;
  }

  .testimonials__content {
    border-right: none;
    border-bottom: 1.5px solid var(--color-border);
  }

  .testimonials__nav {
    flex-direction: row;
  }

  .testimonials__arrow {
    border-bottom: none;
    border-right: 1.5px solid var(--color-border);
    padding: 1rem;
  }

  .testimonials__arrow:last-child {
    border-right: none;
  }

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

  .footer__about {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background-color: var(--color-brand);
    padding: 0.5rem var(--container-pad) 1rem;
    gap: 0.25rem;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out), visibility 0.3s;
  }

  .main-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .main-nav__link {
    text-align: center;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle.is-open span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .site-header {
    position: relative;
  }

  .accordion {
    flex-direction: column;
    height: auto;
  }

  .accordion__panel {
    flex: none;
    height: 90px;
    transition: height 0.7s var(--ease-out);
  }

  .accordion__panel.is-active {
    height: 480px;
  }

  .accordion__panel + .accordion__panel {
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
  }

  .accordion__mark {
    top: 20%;
  }

  .testimonials__stats {
    flex-direction: column;
    gap: 1.5rem;
  }

  .testimonials__stat-logo {
    margin-left: 0;
  }

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

  .footer__about {
    grid-column: auto;
  }

  .footer__bottom-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .announcement-bar__inner {
    font-size: 0.8rem;
    text-align: center;
  }
}