/* =========================================================
   QuietRelay — Main Stylesheet
   Deep Indigo · Muted Sage · Soft Graphite
   ========================================================= */

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

:root {
  /* Color Tokens */
  --color-indigo-deep:   #1C1C4E;
  --color-indigo-mid:    #2A2A6C;
  --color-indigo-light:  #3D3D8F;
  --color-sage:          #7A9E8A;
  --color-sage-light:    #A8C4B4;
  --color-sage-pale:     #D6E9DF;
  --color-graphite:      #4A4A5A;
  --color-graphite-light:#7A7A8A;
  --color-graphite-pale: #B0B0BE;
  --color-surface:       #F4F4F0;
  --color-surface-dark:  #EAEAE4;
  --color-white:         #FFFFFF;
  --color-text-primary:  #1C1C2E;
  --color-text-body:     #3A3A4A;
  --color-text-muted:    #6A6A7A;

  /* Typography */
  --font-heading: 'Georgia', 'Times New Roman', serif;
  --font-body:    'Helvetica Neue', 'Arial', sans-serif;

  /* Spacing */
  --section-pad-v: 96px;
  --section-pad-h: 48px;
  --max-width:     1160px;
  --col-gap:       40px;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-body);
  background-color: var(--color-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

/* ---- Utility ---- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--section-pad-h);
}

.section {
  padding: var(--section-pad-v) 0;
}

.section--centered {
  text-align: center;
}

.section--centered .label {
  justify-content: center;
  margin-left: auto;
  margin-right: auto;
}

.section--centered .heading-lg,
.section--centered .heading-md,
.section--centered .body-lg,
.section--centered .body-md {
  margin-left: auto;
  margin-right: auto;
}

.section--centered .container > div {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section--dark {
  background-color: var(--color-indigo-deep);
  color: var(--color-white);
}

.section--indigo-mid {
  background-color: var(--color-indigo-mid);
  color: var(--color-white);
}

.section--surface {
  background-color: var(--color-surface);
  color: var(--color-text-body);
}

.section--surface-dark {
  background-color: var(--color-surface-dark);
}

.section--sage-pale {
  background-color: var(--color-sage-pale);
}

.label {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-sage);
  display: block;
  margin-bottom: 16px;
}

.section--dark .label,
.section--indigo-mid .label {
  color: var(--color-sage-light);
}

.heading-xl {
  font-family: var(--font-heading);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 400;
  line-height: 1.12;
  color: var(--color-indigo-deep);
  letter-spacing: -0.02em;
}

.heading-lg {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3.5vw, 46px);
  font-weight: 400;
  line-height: 1.18;
  color: var(--color-indigo-deep);
  letter-spacing: -0.015em;
}

.heading-md {
  font-family: var(--font-heading);
  font-size: clamp(20px, 2.5vw, 30px);
  font-weight: 400;
  line-height: 1.28;
  color: var(--color-indigo-deep);
}

.heading-sm {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.4;
  color: var(--color-indigo-deep);
}

.section--dark .heading-xl,
.section--dark .heading-lg,
.section--dark .heading-md,
.section--dark .heading-sm,
.section--indigo-mid .heading-xl,
.section--indigo-mid .heading-lg,
.section--indigo-mid .heading-md,
.section--indigo-mid .heading-sm {
  color: var(--color-white);
}

.body-lg {
  font-size: 18px;
  line-height: 1.72;
  color: var(--color-text-body);
}

.body-md {
  font-size: 15px;
  line-height: 1.68;
  color: var(--color-text-body);
}

.section--dark .body-lg,
.section--dark .body-md {
  color: rgba(255, 255, 255, 0.78);
}

.section--indigo-mid .body-lg,
.section--indigo-mid .body-md {
  color: rgba(255, 255, 255, 0.78);
}

.divider {
  width: 48px;
  height: 1px;
  background-color: var(--color-sage);
  margin: 24px 0;
}

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 32px;
  border: 1px solid transparent;
  cursor: pointer;
  line-height: 1;
}

.btn--primary {
  background-color: var(--color-sage);
  color: var(--color-white);
  border-color: var(--color-sage);
}

.btn--primary:hover {
  background-color: var(--color-indigo-light);
  border-color: var(--color-indigo-light);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-indigo-deep);
  border-color: var(--color-indigo-deep);
}

.btn--outline:hover {
  background-color: var(--color-indigo-deep);
  color: var(--color-white);
}

.btn--outline-light {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn--outline-light:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--color-white);
}

/* ---- Photo Placeholder ---- */
.photo-placeholder {
  width: 100%;
  background-color: var(--color-surface-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  border-radius: 12px;
}

.photo-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-indigo-deep) 0%, var(--color-graphite) 100%);
  opacity: 0.08;
}

.photo-placeholder .ph-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--color-graphite-light);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 1;
}

.photo-placeholder .ph-inner svg {
  opacity: 0.4;
}

/* ---- Images ---- */
.photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 12px;
}

.hero-photo .photo-img {
  border-radius: 0;
}

.intro-photo-col .photo-img,
.serve-photo .photo-img,
.contact-map .photo-img {
  border-radius: 12px;
}

.testi-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

/* ---- HEADER ---- */
.site-header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-surface-dark);
  padding: 0 var(--section-pad-h);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.header-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-name {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-indigo-deep);
  line-height: 1;
}

.header-tagline {
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

/* ---- HERO ---- */
.hero {
  background-color: var(--color-indigo-deep);
  color: var(--color-white);
  min-height: 88vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
}

.hero-photo {
  position: absolute;
  inset: 0;
  background-color: var(--color-indigo-mid);
}

.hero-photo .photo-placeholder {
  height: 100%;
  background-color: transparent;
}

.hero-photo .photo-placeholder::before {
  background: linear-gradient(
    to bottom,
    rgba(28, 28, 78, 0.35) 0%,
    rgba(28, 28, 78, 0.72) 100%
  );
  opacity: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--section-pad-h);
  width: 100%;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--col-gap);
  align-items: end;
}

.hero-heading {
  font-family: var(--font-heading);
  font-size: clamp(40px, 5.5vw, 72px);
  font-weight: 400;
  line-height: 1.08;
  color: var(--color-white);
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: 16px;
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.76);
  margin-bottom: 36px;
  max-width: 440px;
}

.hero-meta {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-stat-num {
  font-family: var(--font-heading);
  font-size: 36px;
  color: var(--color-sage-light);
  line-height: 1;
}

.hero-stat-label {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

.hero-divider {
  width: 1px;
  height: 60px;
  background-color: rgba(255, 255, 255, 0.2);
  margin: 12px 0;
}

/* ---- INTRO / WHAT WE DO ---- */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.section--centered .intro-grid {
  grid-template-columns: 1fr;
  max-width: 800px;
  margin: 0 auto;
}

.intro-text-col {
  padding-top: 8px;
}

.intro-text-col p + p {
  margin-top: 20px;
}

.intro-photo-col .photo-placeholder {
  height: 480px;
}

/* ---- PILLARS ---- */
.pillars-header {
  max-width: 680px;
  margin-bottom: 64px;
}

.section--centered .pillars-header {
  margin-left: auto;
  margin-right: auto;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.pillar-item {
  padding-top: 28px;
  border-top: 1px solid var(--color-surface-dark);
}

.section--dark .pillar-item {
  border-top-color: rgba(255, 255, 255, 0.12);
}

.pillar-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
  color: var(--color-sage);
}

.section--dark .pillar-icon {
  color: var(--color-sage-light);
}

.pillar-title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 400;
  color: var(--color-indigo-deep);
  margin-bottom: 12px;
}

.section--dark .pillar-title {
  color: var(--color-white);
}

.pillar-body {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.section--dark .pillar-body {
  color: rgba(255, 255, 255, 0.6);
}

/* ---- HOW IT WORKS ---- */
.how-header {
  max-width: 580px;
  margin-bottom: 72px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.step-item {
  padding: 40px 40px 40px 0;
  border-left: 1px solid var(--color-surface-dark);
  padding-left: 40px;
}

.step-item:first-child {
  border-left: none;
  padding-left: 0;
}

.step-num {
  font-family: var(--font-heading);
  font-size: 60px;
  line-height: 1;
  color: var(--color-surface-dark);
  margin-bottom: 20px;
  letter-spacing: -0.04em;
}

.step-title {
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--color-indigo-deep);
  margin-bottom: 12px;
  font-weight: 400;
}

.step-body {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

/* ---- WHO WE SERVE ---- */
.serve-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.serve-photo .photo-placeholder {
  height: 400px;
}

.serve-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.serve-item {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-surface-dark);
  align-items: flex-start;
}

.serve-item:first-child {
  padding-top: 0;
}

.serve-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  color: var(--color-sage);
  margin-top: 2px;
}

.serve-info h4 {
  font-family: var(--font-heading);
  font-size: 17px;
  color: var(--color-indigo-deep);
  margin-bottom: 6px;
  font-weight: 400;
}

.serve-info p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ---- PRODUCTS / PLANS ---- */
.plans-header {
  max-width: 600px;
  margin-bottom: 64px;
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.plan-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-surface-dark);
  padding: 40px 36px 36px;
  display: flex;
  flex-direction: column;
}

.plan-card--featured {
  background-color: var(--color-indigo-deep);
  border-color: var(--color-indigo-deep);
  color: var(--color-white);
}

.plan-tag {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-sage);
  margin-bottom: 14px;
  display: block;
}

.plan-card--featured .plan-tag {
  color: var(--color-sage-light);
}

.plan-name {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 400;
  color: var(--color-indigo-deep);
  margin-bottom: 8px;
}

.plan-card--featured .plan-name {
  color: var(--color-white);
}

.plan-price {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-surface-dark);
}

.plan-card--featured .plan-price {
  color: rgba(255, 255, 255, 0.6);
  border-bottom-color: rgba(255, 255, 255, 0.12);
}

.plan-features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}

.plan-feature {
  font-size: 14px;
  color: var(--color-text-body);
  display: flex;
  gap: 10px;
  align-items: flex-start;
  line-height: 1.5;
}

.plan-card--featured .plan-feature {
  color: rgba(255, 255, 255, 0.8);
}

.plan-feature svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-sage);
}

.plan-card--featured .plan-feature svg {
  color: var(--color-sage-light);
}

.plan-cta {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 13px 0;
  border-bottom: 1px solid;
  color: var(--color-indigo-deep);
  border-color: var(--color-indigo-deep);
}

.plan-card--featured .plan-cta {
  color: var(--color-sage-light);
  border-color: var(--color-sage);
}

/* ---- TRUST / STATS ---- */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.trust-item {
  padding: 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.trust-number {
  font-family: var(--font-heading);
  font-size: 48px;
  color: var(--color-sage-light);
  line-height: 1;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.trust-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.5;
}

/* ---- TESTIMONIALS ---- */
.testimonials-header {
  max-width: 520px;
  margin-bottom: 64px;
}

.testi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.testi-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-surface-dark);
  padding: 40px;
}

.testi-quote {
  font-family: var(--font-heading);
  font-size: 18px;
  line-height: 1.5;
  color: var(--color-indigo-deep);
  margin-bottom: 28px;
  font-style: italic;
  font-weight: 400;
}

.testi-author {
  display: flex;
  gap: 14px;
  align-items: center;
}

.testi-avatar .photo-placeholder {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  overflow: hidden;
}

.testi-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-indigo-deep);
  letter-spacing: 0.04em;
}

.testi-role {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ---- FAQ ---- */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 80px;
}

.faq-col {
  display: flex;
  flex-direction: column;
}

.faq-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--color-surface-dark);
  cursor: pointer;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-indigo-deep);
  line-height: 1.4;
}

.faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-sage);
}

.faq-answer {
  font-size: 14px;
  line-height: 1.72;
  color: var(--color-text-muted);
  max-height: 0;
  overflow: hidden;
  margin-top: 0;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  margin-top: 14px;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

/* ---- CONTACTS ---- */
.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.contact-row {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.contact-row-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-surface-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-indigo-deep);
}

.contact-row-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.contact-row-value {
  font-size: 16px;
  color: var(--color-text-primary);
  font-weight: 500;
}

.contact-row-value a {
  color: inherit;
  border-bottom: 1px solid var(--color-surface-dark);
  padding-bottom: 1px;
}

.contact-map .photo-placeholder {
  height: 340px;
}

/* ---- FOOTER ---- */
.site-footer {
  background-color: var(--color-indigo-deep);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 40px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 36px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.footer-brand-name {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-white);
}

.footer-tagline {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.5);
  max-width: 280px;
}

.footer-col-title {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.5;
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-contact-item {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.5;
  margin-bottom: 10px;
}

.footer-contact-item a {
  color: rgba(255, 255, 255, 0.65);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.04em;
}

.footer-legal-links {
  display: flex;
  gap: 28px;
}

.footer-legal-links a {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.04em;
}

.footer-legal-links a:hover {
  color: rgba(255, 255, 255, 0.7);
}

/* ---- CTA BAND ---- */
.cta-band {
  background-color: var(--color-sage);
}

.cta-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  padding: 72px 0;
}

.cta-text .heading-lg {
  color: var(--color-indigo-deep);
  max-width: 560px;
}

.cta-text p {
  font-size: 15px;
  color: rgba(28, 28, 78, 0.72);
  margin-top: 12px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  flex-shrink: 0;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  :root {
    --section-pad-h: 32px;
  }

  .section--centered .intro-grid { grid-template-columns: 1fr; }
  .pillars-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  :root {
    --section-pad-v: 64px;
    --section-pad-h: 24px;
  }

  .hero-grid { grid-template-columns: 1fr; }
  .hero-meta { flex-direction: row; gap: 32px; }
  .hero-divider { display: none; }
  .intro-grid { grid-template-columns: 1fr; gap: 48px; }
  .pillars-grid { grid-template-columns: 1fr; gap: 32px; }
  .steps-grid { grid-template-columns: 1fr; }
  .step-item { border-left: none; border-top: 1px solid var(--color-surface-dark); padding-left: 0; }
  .step-item:first-child { border-top: none; }
  .serve-grid { grid-template-columns: 1fr; }
  .plans-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .testi-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .contacts-grid { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .footer-top { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-legal-links { flex-wrap: wrap; gap: 16px; }
}