/* =============================================
   TOKENS
   ============================================= */
:root {
  --ink: #0B1424;
  --navy: #10233F;
  --cobalt: #2358E8;
  --cobalt-deep: #1A46C4;
  --ice: #EAF1FB;
  --ice-deep: #DCE8F9;
  --paper: #FCFDFF;
  --text: #16202F;
  --text-body: #3C4657;
  --text-muted: #6B7686;
  --bubble-in: #EEF2F8;
  --bubble-out: #2358E8;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Instrument Sans', system-ui, sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-power: cubic-bezier(0.77, 0, 0.18, 1);
  --shadow-card: 0 10px 44px rgba(11, 20, 36, 0.10);
  --shadow-phone: 0 24px 80px rgba(11, 20, 36, 0.18);
}

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }

::selection { background: var(--cobalt); color: #fff; }

:focus-visible {
  outline: 3px solid var(--cobalt);
  outline-offset: 3px;
  border-radius: 4px;
}

/* =============================================
   LAYOUT
   ============================================= */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 48px;
}

.container--narrow { max-width: 820px; }

.section { padding: 130px 0; }
.section-paper { background: var(--paper); }
.section-ice   { background: var(--ice); }
.section-ink   { background: var(--ink); }

/* =============================================
   TYPE UTILITIES
   ============================================= */
.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cobalt);
  margin-bottom: 22px;
}

.section-label--light { color: #8FB0F5; }

.section-head { margin-bottom: 56px; }
.section-head--center { text-align: center; margin-bottom: 72px; }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 4vw, 54px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 26px;
}

.section-title em { font-style: italic; color: var(--cobalt); }

.section-sub {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 480px;
  margin: 0 auto;
}

.section-body {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-body);
  margin-bottom: 20px;
}

.section-body--bold { font-weight: 600; color: var(--ink); }

/* =============================================
   BUTTONS
   ============================================= */
.btn-primary {
  display: inline-block;
  background: var(--cobalt);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 15px 34px;
  border-radius: 100px;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(35, 88, 232, 0.32);
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out), background 0.25s;
}

.btn-primary:hover {
  background: var(--cobalt-deep);
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(35, 88, 232, 0.4);
}

.btn-white {
  display: inline-block;
  background: #fff;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  padding: 15px 34px;
  border-radius: 100px;
  cursor: pointer;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.3);
}

/* =============================================
   NAV
   ============================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(252, 253, 255, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.nav.scrolled {
  border-bottom-color: rgba(11, 20, 36, 0.07);
  box-shadow: 0 2px 28px rgba(11, 20, 36, 0.06);
}

.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 48px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}

.logo-dot { color: var(--cobalt); }

.nav-links { display: flex; align-items: center; gap: 34px; }

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-body);
  position: relative;
  transition: color 0.2s;
}

.nav-links a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 100%;
  height: 2px;
  background: var(--cobalt);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease-power);
}

.nav-links a:not(.nav-cta):hover { color: var(--ink); }
.nav-links a:not(.nav-cta):hover::after { transform: scaleX(1); transform-origin: left; }

.nav-cta {
  background: var(--ink);
  color: #fff !important;
  padding: 11px 24px;
  border-radius: 100px;
  font-weight: 600 !important;
  transition: background 0.25s, transform 0.25s var(--ease-out) !important;
}

.nav-cta:hover { background: var(--cobalt); transform: translateY(-1px); }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  position: relative;
  z-index: 101;
}

.nav-hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.3s var(--ease-power);
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  padding: 168px 0 110px;
  background:
    radial-gradient(1100px 620px at 82% -10%, var(--ice-deep) 0%, transparent 62%),
    radial-gradient(700px 480px at -12% 68%, #EDF3FC 0%, transparent 60%),
    var(--paper);
  overflow: hidden;
}

.hero-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 72px;
  align-items: center;
}

.hero-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cobalt);
  margin-bottom: 26px;
  opacity: 0;
  animation: rise-in 0.9s var(--ease-power) 0.1s forwards;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(44px, 5.4vw, 76px);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 28px;
}

.strike-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0 18px;
  margin-bottom: 6px;
}

.strike-word {
  position: relative;
  color: var(--text-muted);
  font-weight: 600;
  opacity: 0;
  animation: rise-in 0.8s var(--ease-power) forwards;
}

.strike-word:nth-child(1) { animation-delay: 0.25s; }
.strike-word:nth-child(2) { animation-delay: 0.4s; }
.strike-word:nth-child(3) { animation-delay: 0.55s; }

.strike-word::after {
  content: '';
  position: absolute;
  left: -2%; top: 54%;
  width: 104%;
  height: 0.09em;
  background: var(--cobalt);
  border-radius: 3px;
  transform: scaleX(0) rotate(-2deg);
  transform-origin: left center;
  animation: strike 0.5s var(--ease-power) forwards;
}

.strike-word:nth-child(1)::after { animation-delay: 1.0s; }
.strike-word:nth-child(2)::after { animation-delay: 1.2s; }
.strike-word:nth-child(3)::after { animation-delay: 1.4s; }

.hero-answer {
  display: block;
  opacity: 0;
  animation: rise-in 0.9s var(--ease-power) 1.7s forwards;
}

.hero-answer em { font-style: italic; color: var(--cobalt); }

.hero-sub {
  font-size: 19px;
  line-height: 1.7;
  color: var(--text-body);
  margin-bottom: 38px;
  max-width: 440px;
  opacity: 0;
  animation: rise-in 0.9s var(--ease-power) 2.0s forwards;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
  opacity: 0;
  animation: rise-in 0.9s var(--ease-power) 2.2s forwards;
}

.hero-secondary {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s;
}

.hero-secondary:hover { color: var(--cobalt); }

.hero-secondary .arrow {
  display: inline-block;
  transition: transform 0.3s var(--ease-out);
}

.hero-secondary:hover .arrow { transform: translateY(3px); }

@keyframes rise-in {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes strike {
  to { transform: scaleX(1) rotate(-2deg); }
}

/* --- The DM phone (signature) --- */
.hero-phone {
  background: #fff;
  border: 1px solid rgba(11, 20, 36, 0.08);
  border-radius: 28px;
  padding: 22px 22px 26px;
  box-shadow: var(--shadow-phone);
  max-width: 400px;
  justify-self: end;
  width: 100%;
  opacity: 0;
  transform: translateY(36px) rotate(1.5deg);
  animation: phone-in 1.1s var(--ease-power) 0.5s forwards;
}

@keyframes phone-in {
  to { opacity: 1; transform: translateY(0) rotate(1.5deg); }
}

.phone-top {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(11, 20, 36, 0.07);
  margin-bottom: 18px;
}

.phone-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cobalt) 0%, #6D8FF0 100%);
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-id { display: flex; flex-direction: column; }
.phone-name { font-weight: 600; font-size: 15px; color: var(--ink); }

.phone-status {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.phone-status::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #2FBF71;
}

.phone-msgs { display: flex; flex-direction: column; gap: 10px; }

.msg {
  max-width: 82%;
  padding: 11px 15px;
  border-radius: 18px;
  font-size: 14.5px;
  line-height: 1.5;
  opacity: 0;
  transform: translateY(14px) scale(0.96);
}

.msg-in {
  align-self: flex-start;
  background: var(--bubble-in);
  color: var(--text);
  border-bottom-left-radius: 6px;
}

.msg-out {
  align-self: flex-end;
  background: var(--bubble-out);
  color: #fff;
  border-bottom-right-radius: 6px;
}

.play .msg {
  animation: msg-pop 0.55s var(--ease-out) forwards;
}

.play .msg:nth-child(1) { animation-delay: 1.2s; }
.play .msg:nth-child(2) { animation-delay: 2.2s; }
.play .msg:nth-child(3) { animation-delay: 3.4s; }
.play .msg:nth-child(4) { animation-delay: 4.6s; }
.play .msg:nth-child(5) { animation-delay: 5.8s; }

@keyframes msg-pop {
  60% { opacity: 1; transform: translateY(-2px) scale(1.01); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

.msg-label {
  align-self: center;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cobalt);
  margin-top: 10px;
  opacity: 0;
}

.play .msg-label { animation: msg-pop 0.6s var(--ease-out) 6.8s forwards; }

/* =============================================
   STAT STRIP
   ============================================= */
.stat-strip {
  background: var(--ink);
  padding: 34px 0;
}

.stat-strip-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 56px;
}

.strip-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.strip-num {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  font-style: italic;
  color: #fff;
}

.strip-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
}

.strip-div {
  width: 1px;
  height: 28px;
  background: rgba(255, 255, 255, 0.16);
}

/* =============================================
   01 — PROBLEM
   ============================================= */
.problem-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 72px;
  align-items: start;
  margin-bottom: 72px;
}

.problem-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.4vw, 60px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.problem-title em { font-style: italic; color: var(--cobalt); }

.wrong-list {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 20px 44px;
  border-top: 1px solid rgba(11, 20, 36, 0.09);
  padding-top: 48px;
}

.wrong-item {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 42px);
  font-weight: 600;
  color: var(--text-muted);
}

.wrong-item s {
  text-decoration-color: var(--cobalt);
  text-decoration-thickness: 3px;
}

.wrong-item--right {
  color: var(--cobalt);
  font-style: italic;
  position: relative;
}

.wrong-item--right::before {
  content: '\2192';
  margin-right: 16px;
  color: var(--ink);
  font-style: normal;
}

/* =============================================
   02 — METHOD
   ============================================= */
.method-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 72px;
  align-items: start;
}

.method-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: 34px;
}

.method-list li {
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  padding: 14px 20px;
  background: #fff;
  border: 1px solid rgba(11, 20, 36, 0.07);
  border-radius: 14px;
  position: relative;
  padding-left: 48px;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.method-list li:hover {
  transform: translateX(6px);
  box-shadow: 0 8px 28px rgba(11, 20, 36, 0.08);
}

.method-list li::before {
  content: '';
  position: absolute;
  left: 20px; top: 50%;
  transform: translateY(-50%);
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 2px solid var(--cobalt);
  background: transparent;
}

.method-list li::after {
  content: '';
  position: absolute;
  left: 25px; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--cobalt);
}

.method-quote {
  background: var(--ink);
  border-radius: 24px;
  padding: 44px 40px;
  position: sticky;
  top: 110px;
  transform: rotate(-1deg);
}

.method-quote blockquote p {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.45;
  color: #fff;
}

.method-quote blockquote em {
  font-style: italic;
  color: #8FB0F5;
}

.method-quote figcaption {
  margin-top: 24px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.62);
}

/* =============================================
   03 — THREAD (process)
   ============================================= */
.thread {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 54px;
  padding-left: 8px;
}

.thread::before {
  content: '';
  position: absolute;
  left: 31px; top: 10px; bottom: 10px;
  width: 2px;
  background: linear-gradient(to bottom, var(--cobalt), var(--ice-deep));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 1.4s var(--ease-power);
}

.thread.drawn::before { transform: scaleY(1); }

.thread-step {
  display: flex;
  gap: 30px;
  align-items: flex-start;
  position: relative;
}

.thread-num {
  flex-shrink: 0;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--cobalt);
  color: var(--cobalt);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  transition: background 0.3s, color 0.3s, transform 0.3s var(--ease-out);
}

.thread-step:hover .thread-num {
  background: var(--cobalt);
  color: #fff;
  transform: scale(1.08);
}

.thread-body {
  background: #fff;
  border: 1px solid rgba(11, 20, 36, 0.07);
  border-radius: 18px;
  border-top-left-radius: 6px;
  padding: 26px 30px;
  flex: 1;
  box-shadow: 0 4px 20px rgba(11, 20, 36, 0.05);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.thread-step:hover .thread-body {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(11, 20, 36, 0.1);
}

.thread-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.thread-body p {
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--text-body);
}

/* =============================================
   PROOF
   ============================================= */
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.proof-card {
  background: #fff;
  border: 1px solid rgba(11, 20, 36, 0.06);
  border-radius: 22px;
  padding: 28px 26px 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 6px 28px rgba(11, 20, 36, 0.06);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}

.proof-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(11, 20, 36, 0.12);
}

.proof-bubble {
  background: var(--bubble-in);
  border-radius: 16px;
  border-bottom-left-radius: 5px;
  padding: 14px 17px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text);
  max-width: 94%;
  align-self: flex-start;
}

.proof-bubble--highlight {
  background: var(--cobalt);
  color: #fff;
  border-radius: 16px;
  border-bottom-right-radius: 5px;
  align-self: flex-end;
}

.proof-who {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  padding-top: 16px;
}

.proof-avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.proof-who strong {
  display: block;
  font-size: 14px;
  color: var(--ink);
}

.proof-who span:not(.proof-avatar) {
  font-size: 12.5px;
  color: var(--text-muted);
}

/* =============================================
   ABOUT
   ============================================= */
.about-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 80px;
  align-items: center;
}

.about-photo-frame {
  aspect-ratio: 4/5;
  border-radius: 24px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(155deg, var(--ice) 0%, var(--ice-deep) 100%);
  transform: rotate(-2deg);
  box-shadow: var(--shadow-card);
}

.about-img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top center;
  position: relative;
  z-index: 1;
}

.about-photo-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 18px;
  color: rgba(11, 20, 36, 0.35);
}

/* =============================================
   CTA
   ============================================= */
.section-ink {
  background:
    radial-gradient(800px 400px at 50% 120%, rgba(35, 88, 232, 0.28) 0%, transparent 65%),
    var(--ink);
}

.cta-inner { text-align: center; padding: 20px 0; }

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.6vw, 62px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: #fff;
  margin-bottom: 24px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.cta-sub {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.65;
  margin-bottom: 46px;
  max-width: 460px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.cta-note { font-size: 14.5px; color: rgba(255, 255, 255, 0.72); }

.cta-link {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(255, 255, 255, 0.4);
  transition: text-decoration-color 0.2s;
}

.cta-link:hover { text-decoration-color: #fff; }

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: #070E1B;
  padding: 56px 0 44px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  text-align: center;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}

.footer-links { display: flex; gap: 32px; }

.footer-links a {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.2s;
}

.footer-links a:hover { color: #fff; }

.footer-copy { font-size: 12.5px; color: rgba(255, 255, 255, 0.58); }

/* =============================================
   SCROLL REVEAL
   ============================================= */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.85s var(--ease-power), transform 0.95s var(--ease-power);
}

.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }
.reveal-d4 { transition-delay: 0.32s; }
.reveal-d5 { transition-delay: 0.40s; }

/* =============================================
   REDUCED MOTION
   ============================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .hero-eyebrow, .strike-word, .hero-answer, .hero-sub, .hero-actions,
  .hero-phone, .msg, .msg-label {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }

  .strike-word::after { animation: none; transform: scaleX(1) rotate(-2deg); }

  .reveal { opacity: 1; transform: none; transition: none; }
  .thread::before { transform: scaleY(1); transition: none; }

  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* =============================================
   RESPONSIVE — 1100px
   ============================================= */
@media (max-width: 1100px) {
  .hero-inner { grid-template-columns: 1fr 360px; gap: 48px; }
  .method-grid { grid-template-columns: 1fr 340px; gap: 52px; }
  .about-grid { grid-template-columns: 320px 1fr; gap: 56px; }
  .problem-grid { gap: 52px; }
}

/* =============================================
   RESPONSIVE — 900px
   ============================================= */
@media (max-width: 900px) {
  .section { padding: 96px 0; }
  .container, .nav-inner, .hero-inner, .stat-strip-inner { padding-left: 32px; padding-right: 32px; }

  .hero { padding: 150px 0 90px; }
  .hero-inner { grid-template-columns: 1fr; gap: 56px; }
  .hero-phone { justify-self: center; }

  .problem-grid { grid-template-columns: 1fr; gap: 36px; margin-bottom: 56px; }
  .method-grid { grid-template-columns: 1fr; gap: 48px; }
  .method-quote { position: static; max-width: 480px; }

  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-photo-frame { max-width: 360px; }

  .stat-strip-inner { gap: 32px; }
}

/* =============================================
   RESPONSIVE — 768px
   ============================================= */
@media (max-width: 768px) {
  .nav-hamburger { display: flex; }

  .nav-links {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100dvh;
    background: var(--paper);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 34px;
    z-index: 99;
  }

  .nav-links.open { display: flex; }

  .nav-links a { font-size: 19px; font-weight: 600; color: var(--ink); }
  .nav-links a:not(.nav-cta)::after { display: none; }
  .nav-cta { font-size: 17px !important; padding: 14px 34px; }

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

  .stat-strip-inner { flex-direction: column; gap: 18px; }
  .strip-div { display: none; }

  .thread { gap: 40px; }
  .thread::before { left: 23px; }
  .thread-num { width: 40px; height: 40px; font-size: 17px; }
  .thread-step { gap: 20px; }
}

/* =============================================
   RESPONSIVE — 520px
   ============================================= */
@media (max-width: 520px) {
  .container, .nav-inner, .hero-inner, .stat-strip-inner { padding-left: 20px; padding-right: 20px; }

  .section { padding: 78px 0; }
  .hero { padding: 132px 0 72px; }

  .hero-title { font-size: 40px; }
  .strike-group { gap: 0 12px; }
  .section-title { font-size: 30px; }
  .problem-title { font-size: 34px; }
  .cta-title { font-size: 34px; }

  .hero-phone { padding: 18px 16px 20px; border-radius: 22px; }

  .hero-actions { flex-direction: column; align-items: flex-start; gap: 18px; }

  .wrong-item { font-size: 24px; }
  .wrong-list { gap: 14px 28px; padding-top: 36px; }

  .method-quote { padding: 34px 28px; }
  .method-quote blockquote p { font-size: 20px; }

  .thread-body { padding: 20px 22px; }

  .about-photo-frame { max-width: 100%; }

  .footer-links { flex-direction: column; gap: 14px; }
}

/* =============================================
   RESPONSIVE — 380px
   ============================================= */
@media (max-width: 380px) {
  .hero-title { font-size: 34px; }
  .problem-title { font-size: 30px; }
  .section-title { font-size: 27px; }
  .cta-title { font-size: 30px; }
  .wrong-item { font-size: 21px; }
}