/* ═══════════════════════════════════════════════════════════
   DYNAMIC SCROLL LANDING — Apple-style scroll experience
   ═══════════════════════════════════════════════════════════ */

/* Hide old landing elements when new design is active */
.ds-landing .ll-landing__bg,
.ds-landing .ll-landing__orb,
.ds-landing .ll-landing__hero,
.ds-landing .ll-landing__features,
.ds-landing .ll-landing__steps,
.ds-landing .ll-landing__prose {
  display: none !important;
}

/* ── Background canvas ────────────────────────────────── */
.ds-landing {
  position: relative;
  overflow-x: clip;
}

.ds-bg {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
}

.ds-bg__gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 120% 80% at 10% -10%, rgba(125, 227, 255, 0.22), transparent 55%),
    radial-gradient(ellipse 90% 70% at 95% 10%, rgba(136, 179, 255, 0.2), transparent 50%),
    radial-gradient(ellipse 70% 50% at 50% 100%, rgba(99, 102, 241, 0.14), transparent 55%),
    linear-gradient(165deg, #05070d 0%, #0a1020 45%, #05070d 100%);
}

.ds-bg__grid {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cg fill='none' stroke='rgba(255,255,255,0.03)' stroke-width='1'%3E%3Cpath d='M0 40h160M0 80h160M0 120h160M40 0v160M80 0v160M120 0v160'/%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.8;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, black, transparent);
}

.ds-bg__orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(80px);
  opacity: 0.25;
  will-change: transform;
  transition: transform 0.1s linear;
}

.ds-bg__orb--1 {
  width: 28rem;
  height: 28rem;
  top: -8%;
  left: -5%;
  background: radial-gradient(circle, rgba(125, 227, 255, 0.5), transparent 70%);
}

.ds-bg__orb--2 {
  width: 22rem;
  height: 22rem;
  top: 40%;
  right: -8%;
  background: radial-gradient(circle, rgba(136, 179, 255, 0.45), transparent 70%);
}

.ds-bg__orb--3 {
  width: 18rem;
  height: 18rem;
  bottom: 5%;
  left: 20%;
  background: radial-gradient(circle, rgba(168, 130, 255, 0.35), transparent 70%);
}

/* ── Floating nav ─────────────────────────────────────── */
.ds-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem clamp(1.2rem, 4vw, 3rem);
  transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}

.ds-nav.is-solid {
  background: rgba(5, 7, 13, 0.72);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.ds-nav__brand {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.ds-nav__brand span {
  background: linear-gradient(135deg, #7de3ff, #88b3ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.ds-nav__links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.ds-nav__link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.ds-nav__link:hover {
  color: var(--text);
}

.ds-nav__link--cta {
  color: #05070d;
  background: linear-gradient(135deg, #7de3ff, #88b3ff);
  padding: 0.45rem 1rem;
  border-radius: 999px;
  font-weight: 600;
}

.ds-nav__link--cta:hover {
  color: #05070d;
  box-shadow: 0 4px 20px rgba(125, 227, 255, 0.35);
}

/* ── Main container ───────────────────────────────────── */
.ds-main {
  position: relative;
  z-index: 1;
}

/* ── Generic section ──────────────────────────────────── */
.ds-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: clamp(4rem, 8vh, 7rem) clamp(1.2rem, 4vw, 3rem);
}

/* ── Typography utilities ─────────────────────────────── */
.ds-text-gradient {
  background: linear-gradient(135deg, #7de3ff 0%, #88b3ff 50%, #b78fff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.ds-section-heading {
  margin: 0 0 2.5rem;
  font-size: clamp(1.8rem, 4.5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  text-align: center;
}

.ds-eyebrow-label {
  margin: 0 0 0.8rem;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-2);
}

/* ── Reveal animations ────────────────────────────────── */
.ds-reveal-line,
.ds-reveal-word {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.ds-reveal-line.is-visible,
.ds-reveal-word.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Buttons ──────────────────────────────────────────── */
.ds-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.78rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.ds-btn:hover {
  transform: translateY(-2px);
}

.ds-btn--primary {
  background: linear-gradient(135deg, #7de3ff, #88b3ff);
  color: #051322;
  box-shadow: 0 8px 28px rgba(125, 227, 255, 0.3);
}

.ds-btn--primary:hover {
  box-shadow: 0 12px 36px rgba(125, 227, 255, 0.45);
}

.ds-btn--ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.ds-btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
}

.ds-btn--lg {
  padding: 0.95rem 2rem;
  font-size: 1.05rem;
}

/* ═══════════════════════════════════════════════════════
   SECTION 1 — HERO
   ═══════════════════════════════════════════════════════ */
.ds-hero {
  flex-direction: column;
  text-align: center;
  padding-top: clamp(6rem, 14vh, 10rem);
  padding-bottom: 4rem;
}

.ds-hero__content {
  will-change: transform, opacity;
  transition: transform 0.05s linear, opacity 0.05s linear;
}

.ds-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-2);
  opacity: 0;
  animation: dsFadeInUp 0.8s 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.ds-eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #7de3ff;
  box-shadow: 0 0 8px rgba(125, 227, 255, 0.6);
  animation: dsPulse 2s ease-in-out infinite;
}

.ds-hero__title {
  margin: 0;
  font-size: clamp(3.5rem, 12vw, 8rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 0.95;
  background: linear-gradient(135deg, #f5f8ff 20%, #7de3ff 60%, #88b3ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0;
  animation: dsFadeInUp 0.9s 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.ds-hero__subtitle {
  margin: 1.2rem 0 0;
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 500;
  line-height: 1.3;
  color: rgba(245, 248, 255, 0.7);
  opacity: 0;
  animation: dsFadeInUp 0.9s 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.ds-hero__subtitle em {
  font-style: normal;
  color: #7de3ff;
}

.ds-hero__body {
  margin: 1rem auto 0;
  max-width: 34rem;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--muted);
  opacity: 0;
  animation: dsFadeInUp 0.9s 0.65s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.ds-hero__actions {
  margin-top: 2rem;
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: dsFadeInUp 0.9s 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.ds-hero__scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(245, 248, 255, 0.3);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: opacity 0.4s ease;
}

.ds-hero__scroll-arrow {
  animation: dsScrollBounce 2s ease-in-out infinite;
  font-size: 0.9rem;
}

/* ═══════════════════════════════════════════════════════
   SECTION 2 — VALUE PROPOSITION
   ═══════════════════════════════════════════════════════ */
.ds-value {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.ds-sticky-wrap {
  position: sticky;
  top: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ds-value__inner {
  max-width: 1100px;
  width: 100%;
}

.ds-value__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.ds-value__card {
  border-radius: 1.3rem;
  padding: 1.8rem 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.3s ease,
              box-shadow 0.3s ease;
}

.ds-value__card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.ds-value__card:hover {
  border-color: rgba(125, 227, 255, 0.3);
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.4);
  transform: translateY(-4px);
}

.ds-value__card-icon {
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 0.75rem;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  font-size: 1.15rem;
  background: linear-gradient(135deg, rgba(125, 227, 255, 0.25), rgba(136, 179, 255, 0.15));
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #c8f0ff;
}

.ds-value__card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 700;
}

.ds-value__card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.94rem;
}

/* ═══════════════════════════════════════════════════════
   SECTION 3 — FEATURES
   ═══════════════════════════════════════════════════════ */
.ds-features__inner {
  max-width: 1100px;
  width: 100%;
}

.ds-features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.ds-feature-card {
  position: relative;
  border-radius: 1.3rem;
  padding: 2rem 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015));
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  overflow: hidden;
  opacity: 0;
  transform: translateY(50px) scale(0.95);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.3s ease,
              box-shadow 0.3s ease;
}

.ds-feature-card.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.ds-feature-card:hover {
  border-color: rgba(125, 227, 255, 0.35);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
  transform: translateY(-6px) scale(1);
}

.ds-feature-card__glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 50%, rgba(125, 227, 255, 0.08), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.ds-feature-card:hover .ds-feature-card__glow {
  opacity: 1;
}

.ds-feature-card__icon {
  width: 3rem;
  height: 3rem;
  border-radius: 0.85rem;
  display: grid;
  place-items: center;
  margin-bottom: 1.2rem;
  font-size: 1.2rem;
  background: linear-gradient(135deg, rgba(125, 227, 255, 0.3), rgba(136, 179, 255, 0.18));
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #c8f0ff;
  box-shadow: 0 4px 16px rgba(125, 227, 255, 0.15);
}

.ds-feature-card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.15rem;
  font-weight: 700;
}

.ds-feature-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.94rem;
}

/* ═══════════════════════════════════════════════════════
   SECTION 4 — STEPS
   ═══════════════════════════════════════════════════════ */
.ds-steps__inner {
  max-width: 1000px;
  width: 100%;
}

.ds-steps__track {
  position: relative;
}

.ds-steps__progress-bar {
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  margin-bottom: 2.5rem;
  overflow: hidden;
}

.ds-steps__progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #7de3ff, #88b3ff, #b78fff);
  border-radius: 999px;
  transition: width 0.08s linear;
  box-shadow: 0 0 12px rgba(125, 227, 255, 0.4);
}

.ds-steps__items {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.ds-step {
  text-align: center;
  padding: 1.5rem 1rem;
  border-radius: 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.4s ease,
              box-shadow 0.4s ease;
}

.ds-step.is-active {
  opacity: 1;
  transform: translateY(0);
  border-color: rgba(125, 227, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.ds-step__num {
  width: 2.6rem;
  height: 2.6rem;
  margin: 0 auto 1rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-size: 0.82rem;
  font-weight: 800;
  background: linear-gradient(135deg, rgba(125, 227, 255, 0.2), rgba(136, 179, 255, 0.12));
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #c8f0ff;
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

.ds-step.is-active .ds-step__num {
  background: linear-gradient(135deg, rgba(125, 227, 255, 0.5), rgba(136, 179, 255, 0.35));
  box-shadow: 0 0 20px rgba(125, 227, 255, 0.25);
}

.ds-step h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.ds-step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

/* ═══════════════════════════════════════════════════════
   SECTION 5 — CTA
   ═══════════════════════════════════════════════════════ */
.ds-cta {
  flex-direction: column;
  text-align: center;
  overflow: hidden;
}

.ds-cta__inner {
  position: relative;
  z-index: 1;
}

.ds-cta__title {
  margin: 0 0 1.2rem;
  font-size: clamp(2rem, 5.5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.ds-cta__body {
  margin: 0 auto 2rem;
  max-width: 30rem;
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--muted);
}

.ds-cta__actions {
  display: flex;
  gap: 0.85rem;
  justify-content: center;
  flex-wrap: wrap;
}

.ds-cta__rings {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.ds-cta__ring {
  position: absolute;
  border-radius: 999px;
  border: 1px solid rgba(125, 227, 255, 0.08);
}

.ds-cta__ring--1 {
  width: 30rem;
  height: 30rem;
  animation: dsRingPulse 6s ease-in-out infinite;
}

.ds-cta__ring--2 {
  width: 45rem;
  height: 45rem;
  animation: dsRingPulse 6s 1s ease-in-out infinite;
}

.ds-cta__ring--3 {
  width: 60rem;
  height: 60rem;
  animation: dsRingPulse 6s 2s ease-in-out infinite;
}

/* ── Prose (SEO text) ─────────────────────────────────── */
.ds-prose {
  max-width: 42rem;
  margin: 0 auto;
  padding: 3rem 1.2rem 4rem;
  position: relative;
  z-index: 1;
}

.ds-prose h2 {
  margin: 2.5rem 0 0.65rem;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.ds-prose h2:first-child {
  margin-top: 0;
}

.ds-prose p {
  margin: 0 0 1rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ═══════════════════════════════════════════════════════
   KEYFRAMES
   ═══════════════════════════════════════════════════════ */
@keyframes dsFadeInUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes dsPulse {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 8px rgba(125, 227, 255, 0.6);
  }
  50% {
    opacity: 0.5;
    box-shadow: 0 0 16px rgba(125, 227, 255, 0.3);
  }
}

@keyframes dsScrollBounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(6px);
  }
}

@keyframes dsRingPulse {
  0%, 100% {
    opacity: 0.08;
    transform: scale(1);
  }
  50% {
    opacity: 0.15;
    transform: scale(1.04);
  }
}

/* ═══════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .ds-value__cards,
  .ds-features__grid,
  .ds-steps__items {
    grid-template-columns: 1fr;
    max-width: 28rem;
    margin: 0 auto;
  }

  .ds-section-heading {
    font-size: clamp(1.6rem, 6vw, 2.4rem);
  }

  .ds-hero__title {
    font-size: clamp(2.8rem, 14vw, 5rem);
  }

  .ds-nav__links {
    gap: 0.8rem;
  }

  .ds-sticky-wrap {
    position: static;
    min-height: auto;
  }
}

@media (max-width: 480px) {
  .ds-nav__link:not(.ds-nav__link--cta) {
    display: none;
  }

  .ds-hero {
    padding-top: clamp(5rem, 12vh, 8rem);
  }

  .ds-section {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

/* ═══════════════════════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  .ds-reveal-line,
  .ds-reveal-word,
  .ds-value__card,
  .ds-feature-card,
  .ds-step {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    animation: none !important;
  }

  .ds-hero__eyebrow,
  .ds-hero__title,
  .ds-hero__subtitle,
  .ds-hero__body,
  .ds-hero__actions {
    opacity: 1 !important;
    animation: none !important;
  }

  .ds-hero__scroll-arrow,
  .ds-eyebrow-dot,
  .ds-cta__ring {
    animation: none !important;
  }

  .ds-bg__orb {
    transition: none !important;
  }

  .ds-steps__progress-fill {
    width: 100% !important;
    transition: none !important;
  }
}