/* style.css — LexRunsAds Design System + Components */

/* ===== TYPE SCALE (fluid) ===== */
:root {
  --text-xs:   clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 0.95rem + 0.85vw, 1.5rem);
  --text-xl:   clamp(1.5rem, 1rem + 1.5vw, 2.25rem);
  --text-2xl:  clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl:  clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 8rem);

  /* ===== SPACING (4px grid) ===== */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* ===== FONTS ===== */
  --font-display: 'Oswald', 'Impact', sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;

  /* ===== RADIUS ===== */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* ===== TRANSITIONS ===== */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* ===== CONTENT WIDTHS ===== */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;
}

/* ===================================
   COLOR PALETTE — Dark (Primary Brand)
   =================================== */
:root, [data-theme="dark"] {
  --color-bg:             #111111;
  --color-surface:        #1a1a1a;
  --color-surface-2:      #222222;
  --color-surface-offset: #1e1e1e;
  --color-surface-offset-2: #2a2a2a;
  --color-surface-dynamic: #333333;
  --color-divider:        #2e2e2e;
  --color-border:         #3a3a3a;

  --color-text:           #f0f0f0;
  --color-text-muted:     #999999;
  --color-text-faint:     #5a5a5a;
  --color-text-inverse:   #111111;

  --color-primary:        #FF6B2B;
  --color-primary-hover:  #FF8A55;
  --color-primary-active: #E55A1B;
  --color-primary-highlight: #2d2018;

  --color-gold:           #F5A623;
  --color-gold-hover:     #FFB94D;
  --color-gold-active:    #D4900A;

  --color-success:        #4CAF50;
  --color-error:          #EF5350;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);
}

/* ===================================
   LIGHT MODE
   =================================== */
[data-theme="light"] {
  --color-bg:             #f5f5f0;
  --color-surface:        #ffffff;
  --color-surface-2:      #fafaf7;
  --color-surface-offset: #eeeee8;
  --color-surface-offset-2: #e5e5de;
  --color-surface-dynamic: #ddddd6;
  --color-divider:        #d0d0c8;
  --color-border:         #c5c5bc;

  --color-text:           #1a1a1a;
  --color-text-muted:     #555555;
  --color-text-faint:     #aaaaaa;
  --color-text-inverse:   #f5f5f0;

  --color-primary:        #E55A1B;
  --color-primary-hover:  #D04A0E;
  --color-primary-active: #B83D06;
  --color-primary-highlight: #fce8dc;

  --color-gold:           #D4900A;
  --color-gold-hover:     #C07E00;
  --color-gold-active:    #A96D00;

  --color-success:        #388E3C;
  --color-error:          #D32F2F;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg: #f5f5f0;
    --color-surface: #ffffff;
    --color-surface-2: #fafaf7;
    --color-surface-offset: #eeeee8;
    --color-surface-offset-2: #e5e5de;
    --color-surface-dynamic: #ddddd6;
    --color-divider: #d0d0c8;
    --color-border: #c5c5bc;
    --color-text: #1a1a1a;
    --color-text-muted: #555555;
    --color-text-faint: #aaaaaa;
    --color-text-inverse: #f5f5f0;
    --color-primary: #E55A1B;
    --color-primary-hover: #D04A0E;
    --color-primary-active: #B83D06;
    --color-primary-highlight: #fce8dc;
    --color-gold: #D4900A;
    --color-success: #388E3C;
    --color-error: #D32F2F;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
  }
}


/* ===================================
   GLOBAL STYLES
   =================================== */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
a:hover {
  color: var(--color-primary-hover);
}

/* ===================================
   LAYOUT
   =================================== */
.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
.container--narrow {
  max-width: var(--content-narrow);
}
.container--default {
  max-width: var(--content-default);
}

/* ===================================
   NAVIGATION
   =================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-3) 0;
  background: rgba(17, 17, 17, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background var(--transition-interactive);
}
[data-theme="light"] .nav {
  background: rgba(245, 245, 240, 0.88);
  border-bottom-color: rgba(0,0,0,0.06);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
.nav__logo {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text);
  letter-spacing: 0.02em;
  text-decoration: none;
  line-height: 1;
}
.nav__logo span {
  color: var(--color-primary);
}
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.nav__cta {
  display: none;
}
@media (min-width: 640px) {
  .nav__cta {
    display: inline-flex;
  }
}
.nav__theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive),
              background var(--transition-interactive);
}
.nav__theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-dynamic);
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background var(--transition-interactive),
              color var(--transition-interactive),
              box-shadow var(--transition-interactive),
              transform var(--transition-interactive);
  min-height: 44px;
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-primary);
  color: #fff;
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: #fff;
}
.btn--primary:active {
  transform: translateY(0);
  background: var(--color-primary-active);
  box-shadow: var(--shadow-sm);
}
.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}
.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}
.btn--ghost:hover {
  background: var(--color-primary-highlight);
  color: var(--color-primary-hover);
}

/* ===================================
   HERO
   =================================== */
.hero {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: var(--space-24) var(--space-4) var(--space-16);
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
/* Subtle diagonal stripe texture */
.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 60px,
      rgba(255,107,43,0.015) 60px,
      rgba(255,107,43,0.015) 61px
    );
}
/* Bottom gradient fade */
.hero__bg::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--color-bg), transparent);
}
.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
}
.hero__overline {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.hero__heading {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 0.95;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-6);
}
.hero__heading .accent {
  color: var(--color-primary);
}
.hero__sub {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
  line-height: 1.5;
}
.hero__cta-row {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ===================================
   SECTIONS
   =================================== */
.section {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-4);
}
.section--alt {
  background: var(--color-surface);
}
.section__header {
  text-align: center;
  margin-bottom: clamp(var(--space-8), 5vw, var(--space-16));
}
.section__overline {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.section__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.section__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 600px;
  margin-inline: auto;
}

/* ===================================
   VALUE PROPS
   =================================== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: var(--space-6);
  max-width: var(--content-wide);
  margin-inline: auto;
}
.value-card {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-interactive);
}
[data-theme="light"] .value-card {
  background: var(--color-surface);
}
.value-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-highlight);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}
.value-card__icon svg {
  width: 24px;
  height: 24px;
}
.value-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}
.value-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===================================
   PACKAGES
   =================================== */
.packages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: var(--space-6);
  max-width: var(--content-wide);
  margin-inline: auto;
  align-items: start;
}
.package-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-interactive),
              box-shadow var(--transition-interactive);
}
.package-card--featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}
.package-card__badge {
  position: absolute;
  top: calc(-1 * var(--space-3));
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.package-card__name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}
.package-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: 1.5;
}
.package-card__features {
  list-style: none;
  margin-bottom: var(--space-8);
  flex-grow: 1;
}
.package-card__features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-divider);
  max-width: none;
}
.package-card__features li:last-child {
  border-bottom: none;
}
.package-card__features li svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  color: var(--color-primary);
}
.package-card__cta {
  margin-top: auto;
  width: 100%;
  text-align: center;
}
.packages__note {
  text-align: center;
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-top: var(--space-10);
  font-style: italic;
  max-width: 600px;
  margin-inline: auto;
}

/* ===================================
   RESULTS / SOCIAL PROOF
   =================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr));
  gap: var(--space-8);
  max-width: var(--content-wide);
  margin-inline: auto;
  margin-bottom: var(--space-10);
}
.stat-item {
  text-align: center;
}
.stat-item__number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}
.stat-item__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.4;
}
.stat-item__cite {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-1);
}
.results__text {
  text-align: center;
  max-width: 65ch;
  margin-inline: auto;
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ===================================
   CONTACT / LEAD FORM
   =================================== */
.contact {
  background: var(--color-bg);
}
.contact__inner {
  max-width: var(--content-narrow);
  margin-inline: auto;
}
.form {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.form__label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}
.form__input,
.form__select {
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--text-base);
  min-height: 48px;
  transition: border-color var(--transition-interactive),
              box-shadow var(--transition-interactive);
  -webkit-appearance: none;
  appearance: none;
}
.form__input::placeholder {
  color: var(--color-text-faint);
}
.form__input:focus,
.form__select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 107, 43, 0.15);
}
.form__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}
[data-theme="light"] .form__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23555' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
}
.form__submit {
  margin-top: var(--space-2);
}
.form__after {
  text-align: center;
  margin-top: var(--space-6);
}
.form__phone {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
}
.form__phone:hover {
  color: var(--color-primary);
}
.form__phone-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

/* Success message */
.form__success {
  display: none;
  text-align: center;
  padding: var(--space-8) var(--space-4);
}
.form__success.is-visible {
  display: block;
}
.form__success-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  background: var(--color-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.form__success-heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}
.form__success-text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 400px;
  margin-inline: auto;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
  padding: var(--space-8) var(--space-4);
  border-top: 1px solid var(--color-divider);
}
.footer__inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}
.footer__logo {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text);
}
.footer__logo span {
  color: var(--color-primary);
}
.footer__info {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
}
.footer__info a {
  color: var(--color-text-muted);
  transition: color var(--transition-interactive);
}
.footer__info a:hover {
  color: var(--color-primary);
}
.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ===================================
   SCROLL ANIMATIONS
   =================================== */
.fade-in {
  opacity: 1;
}
@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 80%;
  }
}
@keyframes reveal-fade {
  to { opacity: 1; }
}

/* Staggered children */
.stagger > * {
  opacity: 1;
}
@supports (animation-timeline: scroll()) {
  .stagger > * {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 80%;
  }
  .stagger > *:nth-child(1) { animation-delay: 0ms; }
  .stagger > *:nth-child(2) { animation-delay: 50ms; }
  .stagger > *:nth-child(3) { animation-delay: 100ms; }
  .stagger > *:nth-child(4) { animation-delay: 150ms; }
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  z-index: 200;
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus {
  top: var(--space-4);
}