/* ================================================================
   BRIGHT BRAND CO — Landing Page Styles
   Design System: Neon-Nocturne / Ethereal Engine
   Fonts: Sora (headlines) + Inter Tight (body)
   ================================================================ */

/* ---- Variables ---- */
:root {
  --bg:           #000000;
  --surface-low:  #1e0b27;
  --surface-high: #341b40;
  --primary:      #4f1559;
  --secondary:    #26207a;
  --state-blue:   #6d67bf;
  --accent:       #ed136e;
  --accent-soft:  #ff73ad;
  --violet:       #7d218e;
  --text:         #f8dcff;
  --text-muted:   #c4a8cc;
  --white:        #ffffff;

  --grad-cta:   linear-gradient(135deg, #4f1559, #7d218e 50%, #ed136e);
  --grad-glass: linear-gradient(135deg, rgba(79,21,89,0.3), rgba(52,27,64,0.2));

  --font-display: 'Sora', sans-serif;
  --font-body:    'Inter Tight', sans-serif;

  --r-sm:   0.75rem;
  --r-md:   1rem;
  --r-lg:   1.5rem;
  --r-xl:   2.5rem;
  --r-full: 9999px;

  --blur-glass:  16px;
  --blur-sphere: 120px;

  --t-fast:   150ms ease;
  --t-normal: 300ms ease;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Grain texture overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: 9999;
}

img    { max-width: 100%; display: block; }
a      { text-decoration: none; color: inherit; }
ul     { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea { font: inherit; }

/* ---- Container ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ================================================================
   TYPOGRAPHY
   ================================================================ */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
}
h1 { font-size: clamp(2.75rem, 7vw, 5.5rem); }
h2 { font-size: clamp(2rem, 5vw, 3.5rem); }
h3 { font-size: 1.125rem; font-weight: 700; letter-spacing: -0.01em; }
p  { color: var(--text-muted); }

.label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-soft);
  margin-bottom: 1rem;
}

/* ================================================================
   BUTTONS
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--r-full);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  transition: transform var(--t-fast), box-shadow var(--t-normal), opacity var(--t-fast);
  white-space: nowrap;
}
.btn--primary {
  background: var(--grad-cta);
  color: var(--white);
  box-shadow: 0 0 30px rgba(237, 19, 110, 0.25);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px rgba(237, 19, 110, 0.45);
}
.btn--primary:active { transform: translateY(0); }
.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(79, 21, 89, 0.5);
}
.btn--ghost:hover {
  border-color: rgba(237, 19, 110, 0.5);
  color: var(--white);
}
.btn--sm   { padding: 0.625rem 1.25rem; font-size: 0.875rem; }
.btn--large { padding: 1.125rem 2.25rem; font-size: 1rem; width: 100%; }

/* ================================================================
   GLASS CARD
   ================================================================ */
.glass-card {
  background: rgba(52, 27, 64, 0.4);
  backdrop-filter: blur(var(--blur-glass));
  -webkit-backdrop-filter: blur(var(--blur-glass));
  border: 1px solid rgba(85, 64, 93, 0.15);
  border-radius: var(--r-xl);
  padding: 2rem;
}

/* ================================================================
   DECORATIVE SPHERES
   ================================================================ */
.sphere {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(var(--blur-sphere));
  z-index: 0;
}
.sphere--1  { width: 500px; height: 500px; background: radial-gradient(circle, rgba(79,21,89,0.55) 0%, transparent 70%);   top: -150px; right: -150px; }
.sphere--2  { width: 350px; height: 350px; background: radial-gradient(circle, rgba(38,32,122,0.4) 0%, transparent 70%);   bottom: 50px; left: -100px; }
.sphere--3  { width: 200px; height: 200px; background: radial-gradient(circle, rgba(237,19,110,0.25) 0%, transparent 70%); top: 45%; left: 45%; }
.sphere--t1 { width: 450px; height: 450px; background: radial-gradient(circle, rgba(38,32,122,0.35) 0%, transparent 70%); top: -50px; right: -100px; }
.sphere--w1 { width: 500px; height: 500px; background: radial-gradient(circle, rgba(79,21,89,0.3) 0%, transparent 70%);   bottom: -100px; left: -150px; }
.sphere--c1 { width: 600px; height: 600px; background: radial-gradient(circle, rgba(79,21,89,0.45) 0%, transparent 70%);  top: -200px; left: -200px; }
.sphere--c2 { width: 400px; height: 400px; background: radial-gradient(circle, rgba(237,19,110,0.2) 0%, transparent 70%); bottom: -100px; right: -100px; }

/* ================================================================
   NAV
   ================================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  transition: background var(--t-normal), backdrop-filter var(--t-normal), padding var(--t-normal);
}
.nav.scrolled {
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0.875rem 0;
  border-bottom: 1px solid rgba(85, 64, 93, 0.18);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.nav__logo-img { height: 30px; width: auto; }

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--t-fast);
}
.nav__link:hover,
.nav__link.active { color: var(--white); }

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 101;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--t-normal), opacity var(--t-normal);
}
.nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- Language toggle ---- */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.4rem 0.875rem;
  border-radius: var(--r-full);
  border: 1px solid rgba(85, 64, 93, 0.35);
  color: var(--text-muted);
  transition: border-color var(--t-fast), color var(--t-fast);
}
.lang-toggle:hover {
  border-color: rgba(237, 19, 110, 0.5);
  color: var(--white);
}
.lang-toggle__opt            { transition: color var(--t-fast); }
.lang-toggle__opt.active     { color: var(--accent-soft); }
.lang-toggle__sep            { color: rgba(85, 64, 93, 0.4); font-weight: 400; }

/* ================================================================
   SECTIONS (shared)
   ================================================================ */
.section {
  position: relative;
  padding: 7rem 0;
  overflow: hidden;
}
.section--surface { background: var(--surface-low); }

.section__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}
.section__header h2 { color: var(--text); margin-bottom: 1rem; }
.section__sub { font-size: 1.0625rem; }

/* ================================================================
   HERO
   ================================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 5rem;
  overflow: hidden;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
}
.hero__content  { max-width: 580px; }
.hero__headline { color: var(--white); margin-bottom: 1.5rem; }
.hero__sub {
  font-size: 1.0625rem;
  line-height: 1.75;
  margin-bottom: 2.5rem;
}
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Hero card */
.hero__card { position: relative; overflow: hidden; }
.hero__stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid rgba(85, 64, 93, 0.2);
}
.stat { flex: 1; }
.stat__num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--grad-cta);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.3rem;
}
.stat__label { font-size: 0.8125rem; color: var(--text-muted); font-weight: 500; }
.stat__divider {
  width: 1px;
  height: 44px;
  background: rgba(85, 64, 93, 0.4);
  flex-shrink: 0;
}
.hero__quote {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 1.5rem;
}
.hero__quote em { color: var(--accent-soft); font-style: normal; }
.hero__badge {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 1.125rem;
  background: var(--grad-cta);
  border-radius: var(--r-full);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
}

/* Scroll hint */
.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.hero__scroll span {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, var(--accent));
  margin: 0 auto;
  animation: scrollPulse 1.8s ease infinite;
}
@keyframes scrollPulse {
  0%   { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50%  { opacity: 1; }
  100% { opacity: 0; transform: scaleY(1); transform-origin: top; }
}

/* ================================================================
   PAIN CARDS
   ================================================================ */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.pain-card {
  position: relative;
  background: var(--surface-low);
  border-radius: var(--r-lg);
  padding: 2rem;
  overflow: hidden;
  transition: transform var(--t-normal);
}
.pain-card:hover { transform: translateY(-5px); }
.pain-card:hover .pain-card__glow { opacity: 1; }
.pain-card__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(237,19,110,0.09), transparent 70%);
  opacity: 0;
  transition: opacity var(--t-normal);
  pointer-events: none;
}
.pain-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(79, 21, 89, 0.35);
  border-radius: var(--r-sm);
  color: var(--accent-soft);
  margin-bottom: 1.25rem;
}
.pain-card h3 { color: var(--text); margin-bottom: 0.625rem; }
.pain-card p  { font-size: 0.9375rem; }

/* ================================================================
   TRANSFORMATION
   ================================================================ */
.transform-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: start;
  max-width: 880px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.transform-col {
  background: rgba(52, 27, 64, 0.3);
  border-radius: var(--r-lg);
  padding: 2rem;
}
.transform-col--after { background: rgba(38, 32, 122, 0.2); }

.col-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 0.3rem 1rem;
  border-radius: var(--r-full);
  margin-bottom: 1.5rem;
}
.col-badge--before { background: rgba(85,64,93,0.35); color: var(--text-muted); }
.col-badge--after  { background: var(--grad-cta); color: var(--white); }

.transform-list { display: flex; flex-direction: column; gap: 0.875rem; }
.transform-list li {
  position: relative;
  padding-left: 1.375rem;
  font-size: 0.9375rem;
  color: var(--text-muted);
}
.transform-list li::before { content: '—'; position: absolute; left: 0; color: rgba(85,64,93,0.6); }
.transform-list--after li  { color: var(--text); }
.transform-list--after li::before { content: '✓'; color: var(--accent-soft); }

.transform-arrow {
  font-size: 2rem;
  color: var(--accent);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 3rem;
  line-height: 1;
}

/* ================================================================
   SERVICES
   ================================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.service-card {
  position: relative;
  transition: transform var(--t-normal), box-shadow var(--t-normal);
}
.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 24px 60px rgba(79, 21, 89, 0.35);
}
.service-card__num {
  display: block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-soft);
  margin-bottom: 1rem;
}
.service-card h3 { color: var(--text); margin-bottom: 0.75rem; }
.service-card p  { font-size: 0.9375rem; }

/* ================================================================
   FOR WHO
   ================================================================ */
.for-who {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}
.for-who__text h2  { color: var(--text); margin-bottom: 1.5rem; }
.for-who__list {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-bottom: 2.5rem;
}
.for-who__list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.9375rem;
  color: var(--text-muted);
}
.for-who__list li::before { content: '→'; position: absolute; left: 0; color: var(--accent-soft); }

.for-who__quotes { display: flex; flex-direction: column; gap: 1.5rem; }
.quote-card { padding: 1.75rem; }
.quote-card--offset { margin-left: 2.5rem; }
.quote-card p {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
}

/* ================================================================
   PHRASES
   ================================================================ */
.phrases-section { padding: 5rem 0; }
.phrases-track {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  justify-content: center;
}
.phrase-pill {
  background: var(--surface-low);
  border: 1px solid rgba(85, 64, 93, 0.2);
  border-radius: var(--r-full);
  padding: 1rem 1.75rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  text-align: center;
  line-height: 1.4;
}
.phrase-pill--accent {
  background: rgba(237, 19, 110, 0.08);
  border-color: rgba(237, 19, 110, 0.2);
  color: var(--accent-soft);
}

/* ================================================================
   CTA
   ================================================================ */
.cta-section { background: var(--surface-low); }
.cta-box {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
  overflow: hidden;
  padding: 3.5rem;
}
.cta-box h2       { color: var(--text); margin: 0.5rem 0 1rem; }
.cta-box__sub     { margin-bottom: 2.5rem; font-size: 1.0625rem; }

.cta-form         { display: flex; flex-direction: column; gap: 1rem; text-align: left; }
.form-row         { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group       { display: flex; flex-direction: column; }

.form-input {
  background: rgba(52, 27, 64, 0.5);
  border: 1px solid rgba(85, 64, 93, 0.2);
  border-radius: var(--r-lg);
  padding: 0.875rem 1.25rem;
  color: var(--text);
  width: 100%;
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.form-input::placeholder { color: var(--text-muted); }
.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 21, 89, 0.25);
}

.form-note               { text-align: center; font-size: 0.875rem; min-height: 1.25rem; }
.form-note--success      { color: var(--accent-soft); }
.form-note--error        { color: #ff6b6b; }

/* ================================================================
   FOOTER
   ================================================================ */
.footer {
  background: var(--bg);
  border-top: 1px solid rgba(85, 64, 93, 0.15);
  padding: 3rem 0;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
}
.footer__logo    { height: 26px; width: auto; }
.footer__tagline { font-size: 0.8125rem; color: var(--text-muted); margin-top: 0.4rem; }
.footer__nav     { display: flex; gap: 2rem; justify-content: center; }
.footer__nav a   { font-size: 0.875rem; color: var(--text-muted); transition: color var(--t-fast); }
.footer__nav a:hover { color: var(--white); }
.footer__copy    { font-size: 0.8125rem; color: var(--text-muted); text-align: right; }

.footer__address-bar {
  margin-top: 2rem;
  padding: 1rem 0;
  border-top: 1px solid rgba(85, 64, 93, 0.12);
}
.footer__address {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: rgba(196, 168, 204, 0.5);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.footer__address svg { flex-shrink: 0; opacity: 0.5; }

/* ================================================================
   REVEAL ANIMATIONS
   ================================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal-delay="100"] { transition-delay: 0.1s; }
[data-reveal-delay="200"] { transition-delay: 0.2s; }
[data-reveal-delay="300"] { transition-delay: 0.3s; }

/* ================================================================
   RESPONSIVE — Tablet (≤1024px)
   ================================================================ */
@media (max-width: 1024px) {
  .pain-grid     { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .hero__inner   { gap: 2.5rem; }
  .for-who       { gap: 3rem; }
}

/* ================================================================
   RESPONSIVE — Mobile (≤768px)
   ================================================================ */
@media (max-width: 768px) {

  /* Nav */
  .nav__toggle { display: flex; }
  .nav__links {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 2.5rem;
    transform: translateX(100%);
    transition: transform var(--t-normal);
    z-index: 99;
  }
  .nav__links.open  { transform: translateX(0); }
  .nav__link        { font-size: 1.375rem; }

  /* Hero */
  .hero { min-height: 100svh; padding: 7rem 0 4rem; }
  .hero__inner   { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero__visual  { order: -1; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
  .hero__stats { gap: 1rem; }

  /* Section */
  .section { padding: 5rem 0; }

  /* Pain */
  .pain-grid { grid-template-columns: 1fr; gap: 1rem; }

  /* Transformation */
  .transform-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .transform-arrow { transform: rotate(90deg); padding: 0; font-size: 1.5rem; }

  /* Services */
  .services-grid { grid-template-columns: 1fr; }

  /* For who */
  .for-who { grid-template-columns: 1fr; gap: 2.5rem; }
  .quote-card--offset { margin-left: 0; }

  /* Phrases */
  .phrases-track { flex-direction: column; }
  .phrase-pill   { border-radius: var(--r-lg); }

  /* CTA */
  .cta-box  { padding: 2rem 1.25rem; }
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 1.5rem;
  }
  .footer__tagline { margin: 0.3rem auto 0; }
  .footer__logo    { margin: 0 auto; }
  .footer__copy    { text-align: center; }
  .footer__nav     { flex-wrap: wrap; gap: 1rem; }
  .footer__address { letter-spacing: 0.04em; }
}

/* ================================================================
   RESPONSIVE — Small Mobile (≤480px)
   ================================================================ */
@media (max-width: 480px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 1.875rem; }
  .glass-card  { padding: 1.5rem; border-radius: var(--r-lg); }
  .hero__stats { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .stat__divider { width: 40px; height: 1px; }
  .section__header { margin-bottom: 2.5rem; }
}