/* ============================================================
   ALEX CLEANING SERVICE — Mobile-First Stylesheet
   Design: Elegance = Restriction (Modern template aesthetic)
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --white: #FFFFFF;
  --pearl: #F6F7F8;
  --dark: #1A1A1A;
  --black: #000000;
  --text: #787878;
  --nav-gray: #ABABAB;
  --gold: #C9A96E;

  --font: 'Poppins', sans-serif;
  --fw-light: 300;
  --fw-regular: 400;
  --fw-semi: 600;

  --header-h: 70px;
  --container-px: 20px;
  --transition: 0.3s ease;
}

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

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

body {
  font-family: var(--font);
  font-weight: var(--fw-regular);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
  padding-bottom: 64px;
}

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

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

ul, ol {
  list-style: none;
}

/* ---------- Utility ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--container-px);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  color: var(--dark);
  font-weight: var(--fw-semi);
  line-height: 1.2;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 16px 30px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: var(--fw-regular);
  letter-spacing: 2px;
  text-transform: uppercase;
  border: 2px solid var(--dark);
  background: var(--dark);
  color: var(--white);
  cursor: pointer;
  transition: all var(--transition);
  border-radius: 0;
  text-align: center;
  line-height: 1;
}

.btn:hover {
  background: var(--white);
  color: var(--dark);
}

.btn--outline {
  background: transparent;
  color: var(--dark);
}

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

.btn--sm {
  padding: 12px 22px;
  font-size: 11px;
}

.btn--full {
  width: 100%;
}

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

.btn--white:hover {
  background: transparent;
  color: var(--white);
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-h);
  background: var(--white);
  z-index: 1000;
  transition: box-shadow var(--transition);
}

.header--scrolled {
  box-shadow: 0 1px 10px rgba(0,0,0,0.06);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.header__logo {
  font-size: 14px;
  font-weight: var(--fw-semi);
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--dark);
  line-height: 1.15;
}

.header__logo span {
  font-weight: var(--fw-light);
  letter-spacing: 5px;
  font-size: 11px;
}

/* Desktop nav — hidden on mobile */
.nav {
  display: none;
}

.nav__link {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--nav-gray);
  padding: 10px 14px;
  transition: color var(--transition);
}

.nav__link:hover {
  color: var(--dark);
}

.nav__phone {
  color: var(--dark);
  font-weight: var(--fw-semi);
}

/* Header CTA — hidden on mobile */
.header__cta {
  display: none;
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 48px;
  height: 48px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 12px;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--dark);
  transition: all var(--transition);
}

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

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

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

/* ============================================================
   MOBILE NAV OVERLAY
   ============================================================ */
.mobile-nav {
  position: fixed;
  top: var(--header-h);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-h));
  background: var(--white);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.mobile-nav.active {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav__link {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--dark);
  padding: 16px 20px;
  transition: color var(--transition);
}

.mobile-nav__link:hover {
  color: var(--gold);
}

.mobile-nav__phone {
  margin-top: 20px;
  font-size: 18px;
  font-weight: var(--fw-semi);
  letter-spacing: 2px;
  color: var(--dark);
  padding: 16px 20px;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  width: 100%;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--header-h);
  background: var(--dark);
  overflow: hidden;
}

.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 60px var(--container-px);
  max-width: 800px;
  width: 100%;
}

.hero__micro {
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin-bottom: 20px;
}

.hero__title {
  font-size: 40px;
  font-weight: var(--fw-semi);
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero__sub {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  letter-spacing: 1px;
  margin-bottom: 32px;
  line-height: 1.6;
}

.hero__cta {
  margin-bottom: 30px;
}

.hero__trust {
  font-size: 11px;
  letter-spacing: 1px;
  color: rgba(255,255,255,0.5);
}

/* ============================================================
   TRUST BAR
   ============================================================ */
.trust-bar {
  background: var(--white);
  padding: 30px 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.trust-bar__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.trust-bar__item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.5px;
  color: var(--text);
}

.trust-bar__icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: var(--gold);
}

/* ============================================================
   SECTIONS (generic)
   ============================================================ */
.section {
  padding: 60px 0;
}

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

.section__header {
  text-align: center;
  margin-bottom: 40px;
}

.section__title {
  font-size: 26px;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 16px;
}

.section__title--left {
  text-align: left;
}

.section__title--white {
  color: var(--white);
}

.section__subtitle {
  font-size: 14px;
  color: var(--text);
  max-width: 500px;
  margin: 0 auto;
}

/* Separator */
.separator {
  width: 50px;
  height: 3px;
  background: var(--dark);
  margin: 0 auto 20px;
}

.separator--left {
  margin-left: 0;
}

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

/* ============================================================
   SERVICES GRID
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.service-card {
  background: var(--white);
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.06);
}

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

.service-card__img {
  position: relative;
  overflow: hidden;
}

.service-card__img img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.about__img-frame img {
  width: 100%;
  display: block;
  object-fit: cover;
}

.service-card__body {
  padding: 28px 24px;
}

.service-card__title {
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.service-card__text {
  font-size: 14px;
  line-height: 1.7;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.about__text p {
  margin-bottom: 16px;
  font-size: 15px;
  line-height: 1.7;
}

.about__list {
  margin-top: 20px;
}

.about__list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--dark);
}

.about__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 2px;
  background: var(--gold);
}

/* About image frame offset */
.about__img-frame {
  position: relative;
}

.about__img-frame::after {
  content: '';
  position: absolute;
  top: 12px;
  left: 12px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--gold);
  z-index: -1;
}

.about__image {
  position: relative;
}

/* ============================================================
   HOW IT WORKS (STEPS)
   ============================================================ */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  text-align: center;
}

.step__number {
  display: block;
  font-size: 48px;
  font-weight: var(--fw-light);
  letter-spacing: 4px;
  color: var(--pearl);
  -webkit-text-stroke: 1px var(--nav-gray);
  margin-bottom: 12px;
}

.step__title {
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.step__text {
  font-size: 14px;
  line-height: 1.7;
  max-width: 300px;
  margin: 0 auto;
}

/* ============================================================
   INCLUDED (DARK SECTION)
   ============================================================ */
.included-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.included-col__title {
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--white);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}

.included-col__list li {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.7);
  padding: 6px 0;
  padding-left: 16px;
  position: relative;
}

.included-col__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 1px;
  background: var(--gold);
}

.included-extra {
  text-align: center;
  font-size: 13px;
  letter-spacing: 1px;
  color: rgba(255,255,255,0.5);
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.testimonial-card {
  background: var(--white);
  padding: 30px 24px;
  border: 1px solid rgba(0,0,0,0.06);
}

.testimonial-card__stars {
  color: var(--gold);
  font-size: 14px;
  letter-spacing: 3px;
  margin-bottom: 16px;
}

.testimonial-card__text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--dark);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: var(--fw-semi);
  letter-spacing: 1px;
  flex-shrink: 0;
}

.testimonial-card__name {
  display: block;
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--dark);
}

.testimonial-card__location {
  font-size: 12px;
  color: var(--nav-gray);
}

/* ============================================================
   STATS (PARALLAX)
   ============================================================ */
.stats {
  position: relative;
  background: url('../assets/images/parallax.jpg') center/cover no-repeat fixed;
  padding: 60px 0;
  overflow: hidden;
}

.stats__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
}

.stats__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  text-align: center;
}

.stat__number {
  display: block;
  font-size: 42px;
  font-weight: var(--fw-light);
  color: var(--white);
  letter-spacing: 2px;
  line-height: 1;
}

.stat__plus {
  font-size: 28px;
  font-weight: var(--fw-light);
  color: var(--gold);
}

.stat__label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.6);
  margin-top: 8px;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.contact__info p {
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.contact__details {
  margin-bottom: 24px;
}

.contact__detail {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  font-size: 14px;
}

.contact__detail svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--gold);
}

.contact__detail a {
  color: var(--dark);
}

.contact__detail a:hover {
  color: var(--gold);
}

.contact__guarantee {
  padding: 20px;
  border: 1px solid rgba(0,0,0,0.08);
  background: var(--white);
}

.contact__guarantee strong {
  display: block;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--dark);
  margin-bottom: 6px;
}

.contact__guarantee p {
  font-size: 13px;
  margin-bottom: 0;
}

/* Form */
.contact__form-wrap {
  position: relative;
}

.contact-form {
  background: var(--white);
  padding: 32px 24px;
  border: 1px solid rgba(0,0,0,0.06);
}

.contact-form__title {
  font-size: 18px;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 24px;
  text-align: center;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--dark);
  margin-bottom: 6px;
}

.form-group input,
.form-group select {
  width: 100%;
  height: 50px;
  padding: 0 16px;
  font-family: var(--font);
  font-size: 15px;
  color: var(--dark);
  background: var(--pearl);
  border: 1px solid transparent;
  border-radius: 0;
  outline: none;
  transition: border-color var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

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

.form-group input::placeholder {
  color: var(--nav-gray);
}

.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23787878' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.contact-form .btn {
  margin-top: 8px;
}

.contact-form__note {
  text-align: center;
  font-size: 12px;
  color: var(--nav-gray);
  margin-top: 12px;
}

/* Success state */
.contact-form__success {
  text-align: center;
  padding: 60px 24px;
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
}

.contact-form__success svg {
  width: 56px;
  height: 56px;
  color: var(--gold);
  margin: 0 auto 16px;
}

.contact-form__success h3 {
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.contact-form__success p {
  font-size: 14px;
  color: var(--text);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--dark);
  padding: 50px 0 30px;
  text-align: center;
}

.footer__brand {
  font-size: 14px;
  font-weight: var(--fw-semi);
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--white);
  margin-bottom: 16px;
}

.footer__contact {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 6px;
}

.footer__areas {
  font-size: 12px;
  color: rgba(255,255,255,0.35);
  margin-bottom: 24px;
}

.footer__copy {
  font-size: 11px;
  color: rgba(255,255,255,0.25);
  letter-spacing: 1px;
}

/* ============================================================
   STICKY MOBILE CTA
   ============================================================ */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  display: flex;
  gap: 1px;
  background: var(--dark);
  padding: 10px 12px;
  z-index: 998;
  transform: translateY(100%);
  transition: transform var(--transition);
}

.sticky-cta.visible {
  transform: translateY(0);
}

.sticky-cta__btn {
  flex: 1;
  padding: 14px 10px;
  font-size: 12px;
  text-align: center;
}

.sticky-cta__call {
  border-color: var(--white);
  color: var(--white);
}

.sticky-cta__call:hover {
  background: var(--white);
  color: var(--dark);
}

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   TABLET — 768px+
   ============================================================ */
@media (min-width: 768px) {
  :root {
    --header-h: 80px;
    --container-px: 30px;
  }

  .section {
    padding: 80px 0;
  }

  .section__title {
    font-size: 32px;
    letter-spacing: 4px;
  }

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

  .hero__title {
    font-size: 56px;
    letter-spacing: 10px;
  }

  .hero__sub {
    font-size: 15px;
  }

  /* Trust bar */
  .trust-bar__inner {
    grid-template-columns: repeat(4, 1fr);
    text-align: center;
  }

  .trust-bar__item {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }

  /* Services */
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  /* About */
  .about__inner {
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
  }

  /* Steps */
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  /* Included */
  .included-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
  }

  /* Testimonials */
  .testimonials {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  /* Stats */
  .stats {
    padding: 80px 0;
  }

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

  .stat__number {
    font-size: 52px;
  }

  /* Contact */
  .contact__inner {
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
  }
}

/* ============================================================
   DESKTOP — 1024px+
   ============================================================ */
@media (min-width: 1024px) {
  :root {
    --header-h: 90px;
    --container-px: 40px;
  }

  /* Header: show desktop nav, hide hamburger */
  .nav {
    display: flex;
    align-items: center;
    gap: 4px;
  }

  .header__cta {
    display: inline-block;
  }

  .hamburger {
    display: none;
  }

  .mobile-nav {
    display: none;
  }

  /* Sections */
  .section {
    padding: 100px 0;
  }

  .section__title {
    font-size: 36px;
    letter-spacing: 5px;
    margin-bottom: 18px;
  }

  /* Hero */
  .hero {
    min-height: 90vh;
  }

  .hero__title {
    font-size: 68px;
    letter-spacing: 14px;
  }

  .hero__sub {
    font-size: 16px;
    letter-spacing: 2px;
  }

  .hero__trust {
    font-size: 12px;
    letter-spacing: 2px;
  }

  /* Service card hover */
  .service-card {
    transition: transform var(--transition);
  }

  .service-card:hover {
    transform: translateY(-4px);
  }

  .service-card__placeholder {
    transition: transform 0.5s ease;
  }

  .service-card:hover .service-card__placeholder {
    transform: scale(1.03);
  }

  .service-card__img {
    overflow: hidden;
  }

  /* About offset frame larger */
  .about__img-frame::after {
    top: 16px;
    left: 16px;
  }

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

  /* Stats */
  .stats {
    padding: 100px 0;
    background-attachment: fixed;
  }

  .stat__number {
    font-size: 60px;
  }

  /* Contact form bigger padding */
  .contact-form {
    padding: 40px 36px;
  }

  /* Sticky CTA hidden on desktop */
  .sticky-cta {
    display: none;
  }

  body {
    padding-bottom: 0;
  }

  /* Buttons larger on desktop */
  .btn {
    padding: 20px 35px;
    font-size: 14px;
  }

  .btn--sm {
    padding: 14px 26px;
    font-size: 12px;
  }
}

/* ============================================================
   LARGE DESKTOP — 1440px+
   ============================================================ */
@media (min-width: 1440px) {
  .container {
    max-width: 1320px;
  }

  .section {
    padding: 120px 0;
  }

  .hero__title {
    font-size: 80px;
    letter-spacing: 18px;
  }

  .about__inner {
    gap: 80px;
  }

  .contact__inner {
    gap: 80px;
  }

  .stats {
    padding: 120px 0;
  }
}