/* ==========================================================================
   PeakFlow — Design System & Global Styles
   Tokens sourced from Bechtel design system
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
  /* Colors */
  --color-primary: #1E1E1E;
  --color-accent: #DC0500;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F5F5F5;
  --color-text-primary: #1E1E1E;
  --color-text-secondary: #57727F;
  --color-link: #DC0500;
  --color-btn-primary-bg: #DC0500;
  --color-btn-primary-text: #FFFFFF;
  --color-btn-secondary-bg: #FFFFFF;
  --color-btn-secondary-text: #30454C;
  --color-header-bg: #1E1E1E;
  --color-header-text: #FFFFFF;
  --color-footer-bg: #1E1E1E;
  --color-footer-text: #FFFFFF;

  /* Typography */
  --font-heading: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-body: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --fs-h1: clamp(48px, 8vw, 120px);
  --fs-h2: clamp(20px, 3vw, 36px);
  --fs-h3: clamp(18px, 2vw, 24px);
  --fs-body: 18px;
  --fw-heading: 500;
  --fw-body: 400;
  --lh-heading: 1.05;
  --lh-body: 1.6;
  --ls-heading: -0.02em;

  /* Spacing */
  --section-py: clamp(60px, 8vw, 120px);
  --section-px: clamp(20px, 5vw, 80px);
  --container-max: 1400px;
  --gap: 24px;
  --gap-lg: 48px;

  /* Effects */
  --radius: 0px;
  --shadow: none;
  --transition: 0.3s;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-body);
  line-height: var(--lh-body);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary);
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--fw-heading);
  line-height: var(--lh-heading);
  letter-spacing: var(--ls-heading);
  color: var(--color-text-primary);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

p + p {
  margin-top: 1em;
}

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

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

/* ---------- Layout Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--section-px);
  padding-right: var(--section-px);
}

.section {
  padding-top: var(--section-py);
  padding-bottom: var(--section-py);
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section--dark {
  background-color: var(--color-primary);
  color: var(--color-header-text);
}

.section--dark h2,
.section--dark h3 {
  color: var(--color-header-text);
}

.section--dark .text-secondary {
  color: #A0B0B8;
}

.grid {
  display: grid;
  gap: var(--gap);
}

.grid--12 {
  grid-template-columns: repeat(12, 1fr);
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background-color var(--transition), color var(--transition), transform var(--transition);
  white-space: nowrap;
}

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

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

.btn--primary:hover {
  background-color: #B00400;
  color: var(--color-btn-primary-text);
}

.btn--secondary {
  background-color: var(--color-btn-secondary-bg);
  color: var(--color-btn-secondary-text);
  border: 2px solid var(--color-btn-secondary-text);
}

.btn--secondary:hover {
  background-color: var(--color-btn-secondary-text);
  color: var(--color-btn-secondary-bg);
}

.btn--large {
  padding: 18px 44px;
  font-size: 18px;
}

.btn--small {
  padding: 10px 20px;
  font-size: 14px;
}

/* ---------- Header / Nav ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-header-bg);
  color: var(--color-header-text);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--section-px);
  height: 72px;
}

.header__logo {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 500;
  color: var(--color-header-text);
  letter-spacing: -0.01em;
}

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

.header__logo span {
  color: var(--color-accent);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  color: var(--color-header-text);
  font-size: 15px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: color var(--transition);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-accent);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.nav__cta {
  margin-left: 8px;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  z-index: 1001;
}

.hamburger__line {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-header-text);
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger.active .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav overlay */
.nav--mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-header-bg);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

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

.nav--mobile .nav__link {
  font-size: 24px;
  letter-spacing: 0.04em;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--color-primary);
  color: var(--color-header-text);
  overflow: hidden;
  padding-top: 72px;
}

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

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

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30,30,30,0.9) 0%, rgba(30,30,30,0.6) 100%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--section-py) var(--section-px);
  width: 100%;
}

.hero__title {
  color: var(--color-header-text);
  margin-bottom: 24px;
  max-width: 900px;
}

.hero__subtitle {
  font-size: clamp(18px, 2vw, 22px);
  color: #C8C8C8;
  line-height: 1.5;
  max-width: 600px;
  margin-bottom: 40px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Page hero (shorter, for inner pages) */
.hero--page {
  min-height: 50vh;
}

.hero--page .hero__title {
  font-size: clamp(36px, 6vw, 80px);
}

/* ---------- Section Headers ---------- */
.section__header {
  margin-bottom: var(--gap-lg);
  max-width: 700px;
}

.section__header--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section__label {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.section__title {
  margin-bottom: 16px;
}

.section__desc {
  color: var(--color-text-secondary);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

/* ---------- Tool Cards (3-col grid) ---------- */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}

.tool-card {
  background-color: var(--color-bg);
  border: 1px solid #E5E5E5;
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: border-color var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
}

.tool-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.tool-card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: 24px;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.tool-card__icon svg {
  width: 100%;
  height: 100%;
}

.tool-card__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.tool-card__name {
  font-size: var(--fs-h3);
  font-weight: var(--fw-heading);
  margin-bottom: 12px;
}

.tool-card__desc {
  color: var(--color-text-secondary);
  font-size: 16px;
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: 24px;
}

.tool-card__link {
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
}

.tool-card__link::after {
  content: '\2192';
  transition: transform var(--transition);
}

.tool-card:hover .tool-card__link::after {
  transform: translateX(4px);
}

/* ---------- How It Works / Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-lg);
  counter-reset: step;
}

.step {
  counter-increment: step;
  position: relative;
  padding-top: 60px;
}

.step::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 0;
  left: 0;
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 500;
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: -0.02em;
}

.step__title {
  font-size: var(--fs-h3);
  margin-bottom: 12px;
}

.step__desc {
  color: var(--color-text-secondary);
  font-size: 16px;
  line-height: 1.6;
}

/* Connector lines between steps */
.steps--connected .step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 24px;
  right: calc(var(--gap-lg) / -2);
  width: var(--gap-lg);
  height: 2px;
  background-color: #E5E5E5;
}

/* ---------- Persona Cards ---------- */
.persona-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}

.persona-card {
  background-color: var(--color-bg);
  border: 1px solid #E5E5E5;
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}

.persona-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.persona-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background-color: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
}

.persona-card__title {
  font-size: var(--fs-h3);
  margin-bottom: 8px;
}

.persona-card__desc {
  color: var(--color-text-secondary);
  font-size: 16px;
  line-height: 1.5;
}

/* ---------- Testimonials ---------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}

.testimonial {
  background-color: var(--color-bg);
  border: 1px solid #E5E5E5;
  border-radius: var(--radius);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
}

.testimonial__quote {
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text-primary);
  margin-bottom: 24px;
  flex-grow: 1;
  position: relative;
  padding-top: 20px;
}

.testimonial__quote::before {
  content: '\201C';
  position: absolute;
  top: -8px;
  left: 0;
  font-size: 48px;
  color: var(--color-accent);
  font-family: var(--font-heading);
  line-height: 1;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
}

.testimonial__avatar {
  width: 44px;
  height: 44px;
  background-color: var(--color-bg-alt);
  overflow: hidden;
  flex-shrink: 0;
}

.testimonial__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial__name {
  font-size: 15px;
  font-weight: 500;
}

.testimonial__role {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* ---------- Pricing Cards ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
  align-items: start;
}

.pricing-card {
  background-color: var(--color-bg);
  border: 2px solid #E5E5E5;
  border-radius: var(--radius);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition);
}

.pricing-card:hover {
  border-color: #C0C0C0;
}

.pricing-card--featured {
  border-color: var(--color-accent);
  position: relative;
}

.pricing-card--featured:hover {
  border-color: var(--color-accent);
}

.pricing-card__badge {
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  background-color: var(--color-accent);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 16px;
}

.pricing-card__name {
  font-size: var(--fs-h3);
  font-weight: var(--fw-heading);
  margin-bottom: 8px;
}

.pricing-card__desc {
  color: var(--color-text-secondary);
  font-size: 15px;
  margin-bottom: 24px;
}

.pricing-card__price {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.pricing-card__price span {
  font-size: 18px;
  font-weight: 400;
  color: var(--color-text-secondary);
}

.pricing-card__period {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

.pricing-card__features {
  margin-bottom: 32px;
  flex-grow: 1;
}

.pricing-card__feature {
  padding: 10px 0;
  font-size: 15px;
  color: var(--color-text-secondary);
  border-bottom: 1px solid #F0F0F0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-card__feature::before {
  content: '\2713';
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-card__cta {
  width: 100%;
  text-align: center;
}

/* ---------- Comparison Table ---------- */
.comparison-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.comparison-table thead th {
  background-color: var(--color-primary);
  color: var(--color-header-text);
  padding: 16px 20px;
  text-align: left;
  font-weight: 500;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.comparison-table thead th:first-child {
  text-align: left;
}

.comparison-table thead th:not(:first-child) {
  text-align: center;
}

.comparison-table tbody td {
  padding: 14px 20px;
  border-bottom: 1px solid #E5E5E5;
  color: var(--color-text-primary);
}

.comparison-table tbody td:not(:first-child) {
  text-align: center;
}

.comparison-table tbody tr:hover {
  background-color: var(--color-bg-alt);
}

.comparison-table .check {
  color: var(--color-accent);
  font-weight: 700;
  font-size: 18px;
}

.comparison-table .dash {
  color: #C0C0C0;
}

/* ---------- Downloads Section ---------- */
.downloads {
  text-align: center;
}

.downloads__platforms {
  display: flex;
  justify-content: center;
  gap: var(--gap);
  flex-wrap: wrap;
  margin-top: 32px;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 36px;
  background-color: var(--color-primary);
  color: var(--color-header-text);
  font-size: 16px;
  font-weight: 500;
  border-radius: var(--radius);
  transition: background-color var(--transition), transform var(--transition);
}

.download-btn:hover {
  background-color: #333333;
  color: var(--color-header-text);
  transform: translateY(-2px);
}

.download-btn--accent {
  background-color: var(--color-accent);
}

.download-btn--accent:hover {
  background-color: #B00400;
}

.download-btn__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.download-btn__label small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.7;
  margin-bottom: 2px;
}

/* ---------- About: Team Section ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}

.team-card {
  text-align: center;
}

.team-card__photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  background-color: var(--color-bg-alt);
  margin-bottom: 20px;
  overflow: hidden;
}

.team-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.team-card:hover .team-card__photo img {
  transform: scale(1.05);
}

.team-card__name {
  font-size: var(--fs-h3);
  font-weight: var(--fw-heading);
  margin-bottom: 4px;
}

.team-card__role {
  color: var(--color-accent);
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.team-card__bio {
  color: var(--color-text-secondary);
  font-size: 15px;
  line-height: 1.5;
}

/* ---------- About: Mission / Values ---------- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-lg);
}

.value-item {
  padding-top: 20px;
  border-top: 3px solid var(--color-accent);
}

.value-item__title {
  font-size: var(--fs-h3);
  margin-bottom: 12px;
}

.value-item__desc {
  color: var(--color-text-secondary);
  font-size: 16px;
  line-height: 1.6;
}

/* ---------- Services: Tool Details ---------- */
.tool-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-lg);
  align-items: center;
  padding: var(--section-py) 0;
  border-bottom: 1px solid #E5E5E5;
}

.tool-detail:last-child {
  border-bottom: none;
}

.tool-detail--reverse {
  direction: rtl;
}

.tool-detail--reverse > * {
  direction: ltr;
}

.tool-detail__content {
  max-width: 520px;
}

.tool-detail__label {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.tool-detail__title {
  font-size: var(--fs-h2);
  margin-bottom: 16px;
}

.tool-detail__desc {
  color: var(--color-text-secondary);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  margin-bottom: 24px;
}

.tool-detail__features {
  margin-bottom: 28px;
}

.tool-detail__feature {
  padding: 8px 0;
  font-size: 15px;
  color: var(--color-text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.tool-detail__feature::before {
  content: '\2713';
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.tool-detail__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  background-color: var(--color-bg-alt);
  overflow: hidden;
}

.tool-detail__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- Contact Form ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-lg);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-info__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-info__icon {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-info__label {
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.contact-info__value {
  font-size: var(--fs-body);
  color: var(--color-text-primary);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group--row {
  flex-direction: row;
  gap: var(--gap);
}

.form-group--row .form-group {
  flex: 1;
}

.form-label {
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 14px 16px;
  font-size: 16px;
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  border: 1px solid #D0D0D0;
  border-radius: var(--radius);
  transition: border-color var(--transition);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-accent);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #A0A0A0;
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-submit {
  align-self: flex-start;
}

/* ---------- Footer ---------- */
.footer {
  background-color: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding-top: var(--section-py);
  padding-bottom: 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--gap-lg);
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--section-px);
}

.footer__brand {
  max-width: 360px;
}

.footer__logo {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 500;
  color: var(--color-footer-text);
  margin-bottom: 16px;
}

.footer__logo span {
  color: var(--color-accent);
}

.footer__desc {
  font-size: 15px;
  color: #A0B0B8;
  line-height: 1.6;
}

.footer__heading {
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-footer-text);
  margin-bottom: 20px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__link {
  font-size: 15px;
  color: #A0B0B8;
  transition: color var(--transition);
}

.footer__link:hover {
  color: var(--color-accent);
}

.footer__bottom {
  border-top: 1px solid #333333;
  padding: 24px 0;
  margin-top: var(--gap-lg);
}

.footer__bottom-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--section-px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: #666666;
}

.footer__social {
  display: flex;
  gap: 16px;
}

.footer__social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #A0B0B8;
  transition: color var(--transition);
}

.footer__social-link:hover {
  color: var(--color-accent);
}

/* ---------- Stats / Metrics Strip ---------- */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
  text-align: center;
  padding: var(--gap-lg) 0;
}

.stat__value {
  font-family: var(--font-heading);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat__label {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  background-color: var(--color-accent);
  color: #FFFFFF;
  text-align: center;
  padding: var(--section-py) var(--section-px);
}

.cta-banner__title {
  color: #FFFFFF;
  margin-bottom: 16px;
}

.cta-banner__desc {
  font-size: clamp(16px, 2vw, 20px);
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.5;
}

.cta-banner .btn--primary {
  background-color: #FFFFFF;
  color: var(--color-accent);
}

.cta-banner .btn--primary:hover {
  background-color: #F0F0F0;
  color: var(--color-accent);
}

/* ---------- Feature List (stacked) ---------- */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

.feature-list__item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.feature-list__icon {
  width: 40px;
  height: 40px;
  background-color: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent);
}

.feature-list__title {
  font-size: var(--fs-h3);
  margin-bottom: 6px;
}

.feature-list__desc {
  color: var(--color-text-secondary);
  font-size: 15px;
  line-height: 1.5;
}

/* ---------- Logo Strip ---------- */
.logo-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--gap-lg);
  flex-wrap: wrap;
  opacity: 0.5;
  padding: var(--gap-lg) 0;
}

.logo-strip img {
  height: 28px;
  width: auto;
  filter: grayscale(100%);
  transition: filter var(--transition), opacity var(--transition);
}

.logo-strip img:hover {
  filter: grayscale(0%);
  opacity: 1;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

/* Tablet */
@media (max-width: 1024px) {
  .grid--3,
  .tools-grid,
  .pricing-grid,
  .testimonials-grid,
  .persona-grid,
  .team-grid,
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps--connected .step::after {
    display: none;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--gap);
  }

  .footer__brand {
    grid-column: 1 / -1;
  }

  .stats-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--gap-lg);
  }

  .tool-detail {
    gap: var(--gap);
  }
}

/* Mobile */
@media (max-width: 768px) {
  /* Nav */
  .nav__list {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  /* Hero */
  .hero {
    min-height: 80vh;
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }

  /* Grids to single column */
  .grid--3,
  .grid--2,
  .tools-grid,
  .pricing-grid,
  .testimonials-grid,
  .persona-grid,
  .team-grid,
  .values-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  /* Tool detail stacks */
  .tool-detail {
    grid-template-columns: 1fr;
  }

  .tool-detail--reverse {
    direction: ltr;
  }

  .tool-detail__image {
    order: -1;
  }

  /* Contact stacks */
  .contact-layout {
    grid-template-columns: 1fr;
    gap: var(--gap-lg);
  }

  /* Form row to column */
  .form-group--row {
    flex-direction: column;
    gap: 20px;
  }

  /* Footer to single column */
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--gap);
  }

  .footer__bottom-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  /* Stats */
  .stats-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--gap);
  }

  /* Downloads */
  .downloads__platforms {
    flex-direction: column;
    align-items: center;
  }

  .download-btn {
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }

  /* Comparison table */
  .comparison-table {
    font-size: 13px;
  }

  .comparison-table thead th,
  .comparison-table tbody td {
    padding: 10px 12px;
  }

  /* Pricing featured badge */
  .pricing-card--featured {
    order: -1;
  }

  /* Logo strip */
  .logo-strip {
    gap: var(--gap);
  }

  .logo-strip img {
    height: 22px;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .btn {
    padding: 12px 24px;
    font-size: 14px;
  }

  .btn--large {
    padding: 14px 32px;
    font-size: 16px;
  }

  .stats-strip {
    grid-template-columns: 1fr 1fr;
  }

  .hero--page {
    min-height: 40vh;
  }
}

/* ---------- Accessibility ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--color-accent);
  color: #FFFFFF;
  padding: 12px 24px;
  z-index: 10000;
  font-size: 14px;
  font-weight: 500;
}

.skip-link:focus {
  top: 16px;
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ---------- Print ---------- */
@media print {
  .header,
  .footer,
  .hamburger,
  .nav--mobile,
  .cta-banner,
  .btn {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
    font-size: 12pt;
  }

  .hero {
    min-height: auto;
    padding: 24pt 0;
    background: none !important;
    color: #000;
  }

  .hero__title,
  .hero__subtitle {
    color: #000;
  }

  .section {
    padding: 24pt 0;
  }
}