/* ==========================================================
   SESH B2B — Design Tokens & Styles
   Palette: Black & white primary, pastel flavor accents
   ========================================================== */

:root {
  /* Type Scale */
  --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,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 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 */
  --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: 'General Sans', 'Helvetica Neue', sans-serif;
  --font-body: 'General Sans', '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);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
}

/* =================== LIGHT MODE (default) =================== */
:root, [data-theme="light"] {
  --color-bg:             #ffffff;
  --color-surface:        #fafafa;
  --color-surface-2:      #f5f5f5;
  --color-surface-offset: #f0f0f0;
  --color-divider:        #e5e5e5;
  --color-border:         #d4d4d4;
  --color-text:           #111111;
  --color-text-muted:     #6b6b6b;
  --color-text-faint:     #a3a3a3;
  --color-text-inverse:   #ffffff;
  --color-primary:        #111111;
  --color-primary-hover:  #333333;
  --color-accent:         #111111;

  /* Sesh flavor palette */
  --sesh-mint:        #c1d5e8;
  --sesh-wintergreen: #b8d4c8;
  --sesh-clear:       #e8e8e8;
  --sesh-mango:       #f5d08e;
  --sesh-cappuccino:  #d4b8a0;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
}

/* =================== LAYOUT =================== */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding-inline: var(--space-6);
}

.container--narrow {
  max-width: var(--content-default);
}

section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}

/* =================== HEADER =================== */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg), transparent 10%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
}

.header__logo {
  color: var(--color-text);
}

.header__logo svg {
  height: 32px;
  width: auto;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.header__nav a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.header__nav a:hover {
  color: var(--color-text);
}

.header__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border: 1.5px solid var(--color-primary);
  transition: background var(--transition-interactive), transform var(--transition-interactive), border-color var(--transition-interactive);
}

.header__cta:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

.header__cta:active {
  transform: translateY(0);
}

/* Mobile nav */
.mobile-menu-btn {
  display: none;
  padding: var(--space-2);
  color: var(--color-text);
}

@media (max-width: 768px) {
  .header__nav { display: none; }
  .header__nav.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-divider);
    padding: var(--space-6);
    gap: var(--space-4);
  }
  .mobile-menu-btn { display: block; }
  .header__cta--desktop { display: none; }
}

/* =================== HERO (Full-bleed background image) =================== */
.hero {
  position: relative;
  min-height: 95vh;
  display: flex;
  align-items: stretch;
  overflow: hidden;
  background: #0a0a0a;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

/* Dual gradient — dark at top for title, clear middle to show cans, dark at bottom for subtitle/CTAs */
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom,
      rgba(0,0,0,0.78) 0%,
      rgba(0,0,0,0.35) 12%,
      rgba(0,0,0,0.05) 22%,
      rgba(0,0,0,0) 30%,
      rgba(0,0,0,0) 58%,
      rgba(0,0,0,0.25) 66%,
      rgba(0,0,0,0.7) 76%,
      rgba(0,0,0,0.92) 86%,
      rgba(0,0,0,0.97) 100%
    );
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-top: clamp(var(--space-8), 6vw, var(--space-16));
  padding-bottom: clamp(var(--space-8), 4vw, var(--space-12));
  text-align: center;
  margin-inline: auto;
  min-height: calc(95vh - 100px);
}

.hero__top {
  /* Title group — sits above the cans */
}

.hero__bottom {
  /* Subtitle + CTAs — sits below the cans */
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-4);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--space-6);
  backdrop-filter: blur(8px);
}

.hero__badge .star {
  font-size: 0.65em;
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
  color: #ffffff;
  text-shadow: 0 2px 16px rgba(0,0,0,0.6), 0 1px 4px rgba(0,0,0,0.5);
}

.hero__subtitle {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.75);
  line-height: 1.5;
  margin-bottom: var(--space-6);
  max-width: 520px;
  margin-inline: auto;
  text-shadow: 0 1px 8px rgba(0,0,0,0.5);
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
}

@media (max-width: 768px) {
  .hero {
    min-height: 85vh;
  }
  .hero__content {
    padding-top: var(--space-10);
    padding-bottom: var(--space-6);
    min-height: calc(85vh - 80px);
  }
  .hero__title {
    font-size: var(--text-2xl);
  }
}

/* =================== BUTTONS =================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius-full);
  padding: var(--space-3) var(--space-8);
  transition: background var(--transition-interactive),
              color var(--transition-interactive),
              transform var(--transition-interactive),
              box-shadow var(--transition-interactive);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}

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

.btn--secondary:hover {
  background: var(--color-surface-2);
  border-color: var(--color-text-muted);
}

/* Light outline button — for dark backgrounds (hero) */
.btn--secondary-light {
  background: transparent;
  color: #ffffff;
  border: 1.5px solid rgba(255,255,255,0.3);
}

.btn--secondary-light:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.6);
}

/* Hero primary button — white on dark */
.hero .btn--primary {
  background: #ffffff;
  color: #111111;
}

.hero .btn--primary:hover {
  background: #e5e5e5;
}

.btn--lg {
  padding: var(--space-4) var(--space-10);
  font-size: var(--text-base);
}

/* =================== STATS BAR =================== */
.stats-bar {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding-block: var(--space-8);
}

.stats-bar__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  text-align: center;
}

.stat__number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: var(--space-1);
}

.stat__label {
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.7;
}

@media (max-width: 640px) {
  .stats-bar__inner {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
  }
}

/* =================== WHY SESH SECTION =================== */
.why-section {
  background: var(--color-surface);
}

.section-header {
  text-align: center;
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}

.section-header__label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.section-header__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.section-header__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  background: var(--color-surface-2);
  color: var(--color-text);
}

.feature-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.feature-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

/* =================== PRODUCT LINEUP =================== */
.products-section {
  background: var(--color-bg);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

.product-card {
  text-align: center;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}

.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.product-card__img {
  width: 160px;
  height: 160px;
  margin: 0 auto var(--space-4);
  overflow: hidden;
}

.product-card__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-card__name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.product-card__detail {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.product-card__strengths {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.strength-tag {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  color: var(--color-text-muted);
}

@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
  .product-card { padding: var(--space-4); }
  .product-card__img { width: 120px; height: 120px; }
}

/* =================== SPLIT SECTION =================== */
.split-section {
  background: var(--color-surface);
}

.split-section__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}

.split-section__img {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.split-section__img img {
  width: 100%;
  height: auto;
  object-fit: contain;
  aspect-ratio: 1/1;
}

.split-section__content {
  max-width: 520px;
}

.split-section__label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.split-section__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.split-section__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: 1.7;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text);
}

.check-list li svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-text);
}

@media (max-width: 768px) {
  .split-section__inner {
    grid-template-columns: 1fr;
  }
  .split-section__img { order: -1; }
}

/* =================== RETAIL PARTNERS — MARQUEE =================== */
.partners-section {
  background: var(--color-bg);
  text-align: center;
  overflow: hidden;
}

.marquee {
  width: 100%;
  overflow: hidden;
  padding-block: var(--space-8);
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee-scroll 30s linear infinite;
}

.marquee__logos {
  display: flex;
  align-items: center;
  gap: clamp(var(--space-10), 5vw, var(--space-16));
  padding-inline: clamp(var(--space-10), 5vw, var(--space-16));
}

.marquee__logo {
  height: clamp(36px, 4vw, 56px);
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.marquee__logo:hover {
  opacity: 1;
}

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* =================== HOW IT WORKS =================== */
.how-section {
  background: var(--color-surface);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  counter-reset: steps;
}

.step-card {
  text-align: center;
  counter-increment: steps;
}

.step-card__number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text-faint);
  line-height: 1;
  margin-bottom: var(--space-4);
}

.step-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.step-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 320px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .steps-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
}

/* =================== CTA SECTION =================== */
.cta-section {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  text-align: center;
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
}

.cta-section__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.cta-section__text {
  font-size: var(--text-base);
  opacity: 0.8;
  max-width: 520px;
  margin: 0 auto var(--space-8);
}

.cta-section .btn--primary {
  background: var(--color-text-inverse);
  color: var(--color-primary);
}

.cta-section .btn--primary:hover {
  background: color-mix(in srgb, var(--color-text-inverse), transparent 10%);
}

.cta-section .btn--secondary {
  border-color: color-mix(in srgb, var(--color-text-inverse), transparent 60%);
  color: var(--color-text-inverse);
}

.cta-section .btn--secondary:hover {
  border-color: var(--color-text-inverse);
  background: color-mix(in srgb, var(--color-text-inverse), transparent 90%);
}

/* =================== FOOTER =================== */
.footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-12);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
}

.footer__brand {
  color: var(--color-text);
}

.footer__brand p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  max-width: 280px;
}

.footer__col h4 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

.footer__col ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__col a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}

.footer__col a:hover {
  color: var(--color-text);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}

.footer__bottom p, .footer__bottom a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
}

.footer__bottom a:hover {
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
  .footer__brand {
    grid-column: 1 / -1;
  }
  .footer__bottom {
    flex-direction: column;
    gap: var(--space-2);
    text-align: center;
  }
}

/* =================== NICOTINE WARNING =================== */
.warning-bar {
  background: var(--color-surface-offset);
  text-align: center;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.warning-bar strong {
  font-weight: 700;
}

/* =================== HERO KICKER =================== */
.hero__kicker {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  margin-bottom: var(--space-4);
  padding: var(--space-1) var(--space-5);
  border: 1.5px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-full);
  backdrop-filter: blur(6px);
  background: rgba(255,255,255,0.08);
}

/* =================== REGULATORY ADVANTAGE =================== */
.regulatory-proof {
  background: var(--color-surface);
}

.regulatory-proof__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.regulatory-proof__card {
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}

.regulatory-proof__card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.regulatory-proof__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  background: var(--color-surface-2);
  color: var(--color-text);
}

.regulatory-proof__card-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.regulatory-proof__card-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .regulatory-proof__grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

/* =================== SCROLL REVEAL =================== */
.fade-in {
  opacity: 1;
}

/* =================== STAR DECORATORS =================== */
.star-divider {
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.3em;
  padding-block: var(--space-2);
}