/* ==========================================================================
   Sanjeev Kumar - Personal Trainer site
   Mobile-first custom CSS. Breakpoints: 480 / 768 / 1024 / 1280
   ========================================================================== */

:root {
  --green: #1f3a2e;
  --green-deep: #16261e;
  --cream: #f4efe6;
  --tan: #d9cbb4;
  --white: #ffffff;
  --text: #1a1a1a;
  --muted: #5c5c5c;
  --serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --sans: Inter, system-ui, -apple-system, Segoe UI, sans-serif;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(31, 58, 46, 0.08);
  --header-h: 4.5rem;
  --max: 72rem;
  --space: clamp(1rem, 4vw, 2rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--cream);
}

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

a {
  color: inherit;
}

h1,
h2,
h3,
.brand-name {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.15;
  color: var(--text);
}

h1 {
  font-size: clamp(2.15rem, 6vw, 4.25rem);
  margin: 0 0 1rem;
}

h2 {
  font-size: clamp(1.7rem, 4vw, 2.75rem);
  margin: 0 0 1rem;
}

h3 {
  font-size: 1.15rem;
  margin: 0 0 0.4rem;
}

p {
  margin: 0 0 1rem;
  color: var(--muted);
}

p:last-child {
  margin-bottom: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--green);
  color: var(--cream);
  padding: 0.6rem 1rem;
  z-index: 200;
  border-radius: 999px;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.section {
  padding: clamp(3.5rem, 8vw, 6.5rem) 0;
}

.section-cream {
  background: var(--cream);
}

.section-tan {
  background: var(--tan);
}

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

.section-green {
  background: var(--green);
  color: var(--cream);
}

.section-green h2,
.section-green h3,
.section-green p {
  color: var(--cream);
}

.section-green p {
  opacity: 0.88;
}

.section-intro {
  text-align: center;
  max-width: 44rem;
  margin: 0 auto 2.5rem;
}

.section-intro-light h2,
.section-intro-light p {
  color: var(--cream);
}

.eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
  margin: 0 0 0.75rem;
}

.eyebrow-light {
  color: var(--cream);
}

/* Buttons - 44px min height for touch */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  text-decoration: none;
  font-family: var(--sans);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}

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

.btn:focus-visible,
.nav-toggle:focus-visible,
.accordion-trigger:focus-visible,
.primary-nav a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid #c4a574;
  outline-offset: 3px;
}

.btn-primary {
  background: var(--green);
  color: var(--cream);
}

.btn-cream {
  background: var(--cream);
  color: var(--green);
}

.btn-ghost-light {
  background: transparent;
  color: var(--cream);
  border-color: rgba(244, 239, 230, 0.7);
}

.btn-full {
  width: 100%;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 239, 230, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(31, 58, 46, 0.08);
}

.header-inner {
  width: min(100% - 1.25rem, var(--max));
  margin-inline: auto;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.brand-tag {
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav-toggle {
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--green);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-open .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.primary-nav {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background: var(--cream);
  padding: 0.5rem 1.25rem 1.25rem;
  border-bottom: 1px solid rgba(31, 58, 46, 0.08);
  box-shadow: var(--shadow);
}

.nav-open .primary-nav {
  display: block;
}

.nav-list a {
  display: flex;
  align-items: center;
  min-height: 44px;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
}

.header-cta {
  margin-top: 0.5rem;
  width: 100%;
}

body.menu-open {
  overflow: hidden;
}

/* Hero */
.hero {
  position: relative;
  min-height: clamp(34rem, calc(100svh - var(--header-h)), 46rem);
  display: flex;
  align-items: flex-end;
  color: var(--white);
  overflow: hidden;
}

section[id],
.contact {
  scroll-margin-top: calc(var(--header-h) + 0.4rem);
}

.hero-bg,
.contact-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(22, 38, 30, 0.45) 0%,
    rgba(31, 58, 46, 0.72) 55%,
    rgba(22, 38, 30, 0.88) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 4rem 0 3.5rem;
  text-align: center;
}

.hero h1,
.hero .hero-lede {
  color: var(--white);
}

.hero-lede {
  max-width: 40rem;
  margin: 0 auto 1.75rem;
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.75rem;
}

/* Info cards */
.card-grid {
  display: grid;
  gap: 1rem;
}

.card-grid-4 {
  grid-template-columns: 1fr;
}

.info-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.4rem 1.25rem 1.5rem;
  box-shadow: var(--shadow);
}

.icon-wrap {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  margin-bottom: 0.9rem;
  color: var(--green);
}

.icon-wrap svg,
.social-list svg {
  width: 1.5rem;
  height: 1.5rem;
}

.info-card h3 {
  font-size: 1.05rem;
}

.info-card p {
  font-size: 0.95rem;
}

/* Photo cards */
.photo-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.photo-card {
  position: relative;
  min-height: 16rem;
  border-radius: var(--radius);
  overflow: hidden;
}

.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.photo-card-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
  background: linear-gradient(180deg, transparent 35%, rgba(18, 32, 26, 0.88) 100%);
}

.photo-card h3,
.photo-card p {
  color: var(--white);
  position: relative;
}

.photo-card p {
  font-size: 0.9rem;
  opacity: 0.9;
}

/* About */
.about-grid {
  display: grid;
  gap: 2rem;
}

.about-photo {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 22rem;
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.25rem;
  margin: 1.5rem 0 1.75rem;
}

.stat-grid dt {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.stat-grid dd {
  margin: 0.2rem 0 0;
  font-family: var(--serif);
  font-size: 1.05rem;
}

/* Method */
.method-grid {
  display: grid;
  gap: 1.75rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.method-num {
  display: block;
  font-family: var(--serif);
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  color: rgba(31, 58, 46, 0.28);
  line-height: 1;
  margin-bottom: 0.5rem;
}

/* Specialties */
.specialty-grid {
  display: grid;
  gap: 1.75rem 1.25rem;
  grid-template-columns: 1fr;
}

.icon-wrap-light {
  color: var(--cream);
}

.specialty h3 {
  color: var(--cream);
}

/* Credentials slider */
.cert-slider {
  overflow: hidden;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  touch-action: pan-y;
  overscroll-behavior-x: contain;
  mask-image: linear-gradient(90deg, transparent, #000 2.5%, #000 97.5%, transparent);
}

.cert-slider.is-dragging {
  cursor: grabbing;
  touch-action: none;
}

.cert-track {
  display: flex;
  width: max-content;
  gap: 1rem;
  will-change: transform;
}

.cert-list {
  display: flex;
  align-items: stretch;
  gap: 1rem;
  margin: 0;
  padding: 0.15rem 0;
  list-style: none;
}

.cert-card {
  flex: 0 0 auto;
  box-sizing: border-box;
  width: min(20.5rem, 82vw);
  min-height: 10.5rem;
  display: flex;
  align-items: center;
  text-align: left;
  padding: 1.2rem 1.35rem;
  background: var(--tan);
  color: var(--text);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.45;
  white-space: normal;
}

/* Philosophy features */
.feature-row {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

.feature-row h3 {
  font-size: 1.2rem;
}

/* FAQ */
.faq-grid {
  display: grid;
  gap: 2rem;
}

.accordion-item {
  border-bottom: 1px solid rgba(26, 26, 26, 0.12);
}

.accordion-trigger {
  width: 100%;
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  background: none;
  border: 0;
  text-align: left;
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--text);
  cursor: pointer;
}

.accordion-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  font-family: var(--sans);
  font-size: 1.25rem;
  color: var(--green);
}

.accordion-panel {
  padding: 0 0 1.1rem;
}

.accordion-panel p {
  max-width: 40rem;
}

/* Contact */
.contact {
  position: relative;
  padding: clamp(3.5rem, 8vw, 6.5rem) 0;
  overflow: hidden;
  color: var(--cream);
}

.contact .eyebrow,
.contact h1,
.contact h2,
.contact h3,
.contact p,
.contact label,
.contact .form-note,
.contact .form-success,
.contact .form-error {
  color: var(--cream);
}

.contact-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(16, 28, 22, 0.94), rgba(22, 38, 30, 0.88));
}

.contact-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem;
  color: var(--cream);
}

.contact-grid h1,
.contact-grid h2,
.contact-grid h3 {
  color: #ffffff;
}

.contact-grid p,
.contact-grid label,
.contact-grid .form-note,
.contact-grid .form-success,
.contact-grid .form-error {
  color: var(--cream);
}

.contact a {
  color: var(--cream);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-top: 1rem;
}

.form-error {
  background: rgba(232, 201, 160, 0.18);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  margin: 0;
}

.contact-form {
  display: grid;
  gap: 0.9rem;
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 500;
}

.req {
  color: #e8c9a0;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  min-height: 44px;
  padding: 0.7rem 0.9rem;
  border-radius: 10px;
  border: 1px solid rgba(244, 239, 230, 0.35);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  font-family: var(--sans);
  font-size: 1rem;
}

.contact-form textarea {
  min-height: 7rem;
  resize: vertical;
}

.form-note {
  font-size: 0.85rem;
  opacity: 0.85;
}

.form-success {
  background: rgba(244, 239, 230, 0.15);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  margin: 0;
}

.contact-form.is-sent .form-success {
  display: block;
}

.contact-form.is-sent label,
.contact-form.is-sent .btn,
.contact-form.is-sent .form-note,
.contact-form.is-sent .form-error {
  display: none;
}

/* Footer */
.site-footer {
  background: var(--green-deep);
  color: rgba(244, 239, 230, 0.82);
  padding-top: 3rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
}

.footer-brand {
  color: var(--cream);
  font-size: 1.4rem;
  margin: 0 0 0.6rem;
}

.footer-tagline {
  font-style: italic;
  font-family: var(--serif);
  color: var(--cream);
  margin-top: 0.75rem;
}

.footer-heading {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream);
  margin: 0 0 0.75rem;
  font-weight: 600;
}

.site-footer a {
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

.site-footer li {
  margin-bottom: 0.45rem;
}

.social-list {
  display: flex;
  gap: 0.5rem;
}

.social-list a {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(244, 239, 230, 0.25);
  border-radius: 999px;
  color: var(--cream);
}

.footer-bottom {
  margin-top: 2.5rem;
  border-top: 1px solid rgba(244, 239, 230, 0.12);
  padding: 1.25rem 0 1.75rem;
  font-size: 0.78rem;
  color: rgba(244, 239, 230, 0.55);
}

.footer-bottom .container {
  display: grid;
  gap: 0.75rem;
}

/* 480 - small phones / large phones */
@media (min-width: 480px) {
  .card-grid-4 {
    grid-template-columns: 1fr 1fr;
  }

  .hero-actions {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }

  .btn {
    width: auto;
  }
}

/* 768 - tablet: hamburger still on, grids start opening */
@media (min-width: 768px) {
  .photo-grid {
    grid-template-columns: 1fr 1fr;
  }

  .specialty-grid {
    grid-template-columns: 1fr 1fr;
  }

  .feature-row {
    grid-template-columns: 1fr 1fr;
  }

  .method-grid {
    grid-template-columns: 1fr 1fr;
  }

  .about-grid {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
    gap: 3rem;
  }

  .about-photo {
    min-height: 32rem;
    align-self: stretch;
  }

  .faq-grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 3rem;
    align-items: start;
  }

  .faq-intro {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }

  .contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
  }

  .cert-card {
    width: 22.5rem;
    min-height: 9.75rem;
    padding: 1.3rem 1.5rem;
  }

  .cert-track,
  .cert-list {
    gap: 1.15rem;
  }

  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1.2fr 0.8fr;
  }

  .hero-content {
    text-align: left;
    padding-bottom: 5rem;
  }

  .hero-lede {
    margin-left: 0;
  }

  .hero-actions {
    justify-content: flex-start;
  }
}

/* Nav stays a hamburger through tablet so six links + CTA never wrap.
   Expands to a horizontal bar from 1024px (still collapsed well below 768). */

@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }

  .header-inner {
    gap: 1.25rem;
  }

  .primary-nav {
    display: flex;
    position: static;
    background: transparent;
    padding: 0;
    border: 0;
    box-shadow: none;
    align-items: center;
    gap: 1rem;
    flex: 1;
    justify-content: flex-end;
  }

  .nav-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.15rem 0.9rem;
  }

  .nav-list a {
    min-height: 44px;
    font-size: 0.78rem;
  }

  .header-cta {
    width: auto;
    margin-top: 0;
    flex-shrink: 0;
    padding-inline: 1rem;
    font-size: 0.78rem;
  }

  .card-grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .photo-card {
    min-height: 18rem;
  }

  .method-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }

  .specialty-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .feature-row {
    grid-template-columns: repeat(4, 1fr);
  }

  .cert-card {
    width: 24rem;
    min-height: 10rem;
  }

}

/* 1280 - wide */
@media (min-width: 1280px) {
  .hero-content {
    padding-top: 6rem;
    padding-bottom: 6.5rem;
  }

  .about-photo {
    min-height: 38rem;
  }

  .photo-card {
    min-height: 20rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn,
  .nav-toggle-bar {
    transition: none;
  }
}