/* ====================================
   CSS CUSTOM PROPERTIES (VARIABLES)
   ==================================== */
:root {
  /* Colors */
  --color-primary: hsl(22, 99%, 72%);
  --color-primary-light: hsl(22, 100%, 91%);
  --color-primary-pale: hsl(23, 100%, 97%);
  --color-dark: hsl(194, 78%, 11%);
  --color-dark-medium: hsl(195, 23%, 28%);
  --color-neutral: hsl(17, 12%, 89%);
  --color-neutral-light: hsl(17, 41%, 97%);
  --color-white: hsl(0, 0%, 100%);

  /* Gradients */
  --gradient-text: linear-gradient(107deg, #ff9a60 -11.37%, #062630 61.84%);
  --gradient-bg: linear-gradient(90deg, #ffe2d1 0%, #fff5ef 100%);

  /* Fonts */
  --font-primary: "Inter", sans-serif;
  --font-mono: "Martian Mono", monospace;

  /* Font Sizes */
  --font-hero: clamp(2.44rem, 4vw, 3.88rem);
  --font-heading: clamp(2.13rem, 3.5vw, 3.13rem);
  --font-subheading: clamp(1.5rem, 2.5vw, 2.5rem);
  --font-body: clamp(1rem, 2vw, 1.17rem);
  --font-small: 0.88rem;

  /* Font Weights */
  --weight-regular: 400;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: clamp(1.2rem, 2vw, 1.5rem);
  --space-md: clamp(2rem, 4vw, 3rem);
  --space-lg: clamp(3rem, 6vw, 6rem);
  --space-xl: clamp(4rem, 8vw, 8rem);

  --button-width-base: 79%;
  --button-padding-base: 1.1rem 0.9rem;
  --footer-cta-width-base: 90%;
  --footer-cta-padding-base: 1.1rem 0.9rem;
  --button-width-1025: 50%;
  --button-padding-1025: 1.1rem 0.9rem;
  --footer-cta-width-1025: 85%;
  --footer-cta-padding-1025: 1.1rem 0.9rem;
  --button-width-768: 53%;
  --button-padding-768: 1.1rem 0.9rem;
  --footer-cta-width-768: 75%;
  --footer-cta-padding-768: 1.1rem 0.9rem;
  --button-width-480: 100%;
  --button-padding-480: 1.1rem 0.75rem;
  --footer-cta-width-480: 100%;
  --footer-cta-padding-480: 1rem 0.75rem;
  --button-width-400: 100%;
  --button-padding-400: 1rem 0.8rem;
  --footer-cta-width-400: 100%;
  --footer-cta-padding-400: 0.9rem 0.9rem;
}

/* ====================================
   CSS RESETS & BASE STYLES
   ==================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

*:focus {
  outline: none;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-body);
  line-height: 1.6;
  color: var(--color-dark);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: 100%;
}

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

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

ul,
li {
  list-style: none;
}

/* ====================================
   ACCESSIBILITY & GLOBAL STYLES
   ==================================== */
::selection,
::-moz-selection {
  background-color: var(--color-dark);
  color: var(--color-white);
}

/* ====================================
   LAYOUT UTILITIES
   ==================================== */
.container {
  max-width: 1200px;
  padding: 0 var(--space-sm);
  margin: 0 auto;
}

/* ====================================
   BUTTON COMPONENTS
   ==================================== */
.button {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  font-weight: var(--weight-semibold);
  font-family: var(--font-mono);
  border: 3px solid var(--color-dark);
  width: var(--button-width-base);
  border-radius: var(--space-xs);
  padding: var(--button-padding-base);
  background: var(--color-primary-pale);
}

.button:hover {
  background: var(--gradient-bg);
}

.button:focus {
  outline: 2px solid var(--color-dark-medium);
  outline-offset: 4px;
}

.footer__cta:focus {
  outline: 2px solid var(--color-white);
  outline-offset: 4px;
}

/* ====================================
   HEADER
   ==================================== */
.header {
  padding-top: var(--space-md);
  margin-bottom: var(--space-md);
}

/* ====================================
   HERO SECTION
   ==================================== */
.hero {
  width: 100%;
  min-height: 834px;
  position: relative;
  background: url("../images/pattern-glow.svg") bottom -300px right -200px /
      850px no-repeat,
    url("/images/pattern-light-bg.svg") center center / cover no-repeat,
    var(--color-primary-pale);
}

.hero__flex {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-lg);
}

.hero__content,
.hero__image-wrapper {
  flex: 1 1 50%;
  max-width: 50%;
}

.hero__content {
  display: flex;
  flex-direction: column;
  margin: auto;
}

.hero__title {
  font-size: var(--font-heading);
  line-height: 1.2;
  font-family: var(--font-mono);
  margin-bottom: var(--space-sm);
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  background-image: var(--gradient-text);
}

.hero__description {
  margin-bottom: var(--space-sm);
  color: var(--color-dark-medium);
  font-size: var(--font-body);
}

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

.hero__community-rating {
  display: flex;
}

.hero__community-avatars {
  width: 7rem;
}

.hero__community-flex {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  gap: var(--space-xs);
}

.hero__image {
  border-radius: var(--space-xs);
}

/* ====================================
   FEATURES SECTION
   ==================================== */
.features__item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 5rem;
  margin: 7.5rem 0;
}

.features__content {
  flex: 1 1 40%;
  display: flex;
  flex-direction: column;
  margin: auto;
  position: relative;
}

.features__title {
  font-size: var(--font-subheading);
  line-height: 1.4;
  font-family: var(--font-mono);
  margin-bottom: var(--space-sm);
  max-width: 29.375rem;
  position: relative;
}

.features__description {
  margin-bottom: var(--space-sm);
  color: var(--color-dark-medium);
  font-size: var(--font-body);
}

.features__list-item {
  display: flex;
  align-items: center;
  margin-bottom: 1.2rem;
  gap: 1rem;
  max-width: 25rem;
}

.features__language-highlight {
  font-weight: var(--weight-semibold);
}

.features__highlight {
  position: relative;
  z-index: -1;
}

.features__highlight::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 3.25em;
  height: 3.25em;
  background: url("/images/pattern-circle.png") no-repeat center/contain;
  z-index: 1;
  pointer-events: none;
}

.features__image {
  max-width: 35rem;
  border-radius: var(--space-sm);
}

.features__tech-logos {
  width: 7.5rem;
  position: absolute;
  bottom: -5rem;
  left: calc(90% + 3rem);
  transform: none;
  z-index: 1;
  pointer-events: none;
}

/* ====================================
   MEMBERSHIP PROCESS SECTION
   ==================================== */
.membership__process {
  padding: 5rem 0.625rem; /* 10px / 16px = 0.625rem */
  background: url("../images/pattern-glow.svg") bottom -300px right -200px /
      700px no-repeat,
    url("/images/pattern-light-bg.svg") center center / cover no-repeat,
    var(--color-primary-pale);
  border-radius: var(--space-sm);
  margin-bottom: 7.5rem;
  font-family: var(--font-mono);
}

.membership__process-title {
  font-size: var(--font-subheading);
  text-align: center;
  margin: 0 auto var(--space-md);
  max-width: 420px;
}

.membership__process-steps {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.membership__process-step {
  display: flex;
  flex-direction: column;
  flex: 1;
  max-width: 200px;
}

.membership__process-step-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.membership__process-step-number {
  border: 2px solid var(--color-dark);
  width: 40px;
  height: 40px;
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-small);
  font-weight: var(--weight-semibold);
}

.membership__process-step-arrow {
  width: 76.74px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.membership__process-step-arrow img {
  width: 100%;
  height: auto;
}

.membership__process-step-text {
  font-size: var(--font-small);
  line-height: 1.6;
  color: var(--color-dark);
  font-weight: var(--weight-bold);
  margin-top: auto;
}

/* ====================================
   MEMBERSHIP OPTIONS SECTION
   ==================================== */
.membership-options {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 7.5rem;
}

.membership-options__title {
  font-size: var(--font-subheading);
  font-family: var(--font-mono);
  margin: 0 auto 64px;
  text-align: center;
}

.membership-options__cards {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  flex-wrap: wrap;
}

.membership-options__card--starter,
.membership-options__card--enterprise {
  width: 286px;
}

.membership-options__card {
  padding: var(--space-sm);
  border: 2px solid var(--color-neutral);
  border-radius: var(--space-xs);
}

.membership-options__card--pro {
  background: url("../images/pattern-glow.svg") bottom -300px right -200px /
      650px no-repeat,
    var(--color-primary-pale);
  padding: 40px var(--space-sm);
  width: 350px;
  border-radius: var(--space-xs);
  border: 2px solid var(--color-neutral);
}

.membership-options__tier {
  font-family: var(--font-mono);
  margin-bottom: var(--space-sm);
  font-weight: var(--weight-semibold);
}

.membership-options__pricing {
  padding-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: 0.5rem; /* 8px / 16px = 0.5rem */
  border-bottom: 2px solid var(--color-neutral);
}

.membership-options__price {
  font-weight: var(--weight-bold);
  font-family: var(--font-mono);
  font-size: 1.8rem;
}

.membership-options__price-period {
  font-size: var(--font-small);
  font-weight: var(--weight-regular);
}

.membership-options__features {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 32px 0;
}

.membership-options__feature {
  display: flex;
  align-items: center;
  gap: 0.75rem; /* 12px / 16px = 0.75rem */
}

.membership-options__button {
  display: flex;
  justify-content: center;
  padding: 0.9375rem 0.625rem; /* 15px / 16px = 0.9375rem, 10px / 16px = 0.625rem */
  border-radius: var(--space-xs);
  border: 2px solid var(--color-dark);
  background: var(--color-primary-pale);
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-weight: var(--weight-semibold);
}

.membership-options__button:hover {
  background: var(--gradient-bg);
}

.membership-options__button:focus {
  outline: 2px solid var(--color-dark-medium);
  outline-offset: 3px;
}

/* ====================================
   TESTIMONIAL SECTION
   ==================================== */
.testimonial {
  margin-bottom: 7.5rem;
  text-align: center;
}

.testimonial__content {
  font-size: var(--font-subheading);
  font-family: var(--font-mono);
  margin: 0 auto 32px;
  text-align: center;
}

.testimonial__rating {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-xs);
  margin: 0 auto 32px;
}

.testimonial__author-info {
  color: var(--color-neutral-medium);
}

/* ====================================
   FOOTER SECTION
   ==================================== */
.footer {
  padding: 80px 135px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  border-top-left-radius: var(--space-sm);
  border-top-right-radius: var(--space-sm);
  background: url("/images/pattern-dark-bg.svg") center center / cover no-repeat,
    var(--color-dark);
}

.footer__cta-title {
  font-size: var(--font-subheading);
  line-height: 1.4;
  font-family: var(--font-mono);
  margin-bottom: 40px;
  max-width: 500px;
  position: relative;
  color: var(--color-white);
  text-align: center;
}

.footer__cta {
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  font-family: var(--font-mono);
  margin: 0 auto var(--space-sm);
  border: 2px solid var(--color-white);
  padding: var(--footer-cta-padding-base);
  border-radius: var(--space-xs);
  width: var(--footer-cta-width-base);
}

.footer__cta:hover {
  background: linear-gradient(90deg, #385159 0%, #062630 100%);
}

.footer__community {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: 64px;
}

.footer__community-text {
  color: var(--color-white);
}

.footer__community-rating {
  display: flex;
}

.footer__community-avatars {
  width: 8rem;
}

.footer__community-flex {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  gap: var(--space-xs);
}

/* Attribution Subsection */
.attribution {
  display: flex;
  padding: 24px;
  align-items: center;
  justify-content: space-between;
  border-top: 2px solid var(--color-dark-medium);
  width: 100%;
  margin: auto;
  position: relative;
}

.attribution__text {
  color: var(--color-white);
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--font-small);
}

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

/* ====================================
   MEDIA QUERIES FOR RESPONSIVE DESIGN
   ==================================== */

/* Tablets & Landscape (e.g., iPad landscape, up to 1025px) */
@media (max-width: 1025px) {
  .container {
    max-width: 95%;
  }
  .hero__flex {
    flex-direction: column;
    padding-bottom: 3rem;
  }

  .hero__content,
  .hero__image-wrapper {
    max-width: 100%;
  }

  .hero__title {
    max-width: 400px;
    font-size: 2.5rem;
  }

  .button {
    width: var(--button-width-1025);
    padding: var(--button-padding-1025);
    flex-wrap: nowrap;
    justify-content: center;
  }

  .features__item {
    display: grid;
    grid-template-rows: auto auto;
    grid-template-columns: 1fr;
    margin: 80px 0;
    width: 100%;
    gap: 2rem;
  }

  .features__item:nth-of-type(1) .features__image {
    grid-row: 2 / 3;
  }

  .features__item:nth-of-type(1) .features__content {
    grid-row: 1 / 2;
  }

  .features__image,
  .features__content {
    max-width: 100%;
  }

  .features__content {
    margin: 0;
    padding: 0 var(--space-sm);
  }

  .features__list-item {
    max-width: 100%;
    margin-bottom: 1rem;
  }

  .features__title {
    font-size: 2.5rem;
  }

  .features__description {
    max-width: 90%;
  }

  .features__tech-logos {
    display: none;
  }

  .membership__process-steps {
    flex-direction: column;
  }

  .membership__process {
    padding: 80px 32px;
    margin-bottom: 80px;
    max-width: 90%;
  }

  .membership__process-title {
    margin: 0 0 48px;
    max-width: 500px;
    font-size: 2.5rem;
    text-align: left;
  }

  .membership__process-step {
    max-width: 100%;
  }

  .membership__process-step-arrow img {
    display: none;
  }

  .membership-options {
    margin-bottom: 80px;
  }

  .membership-options__title {
    margin: 0 auto 40px;
    font-size: 2.5rem;
    text-align: left;
  }

  .membership-options__card--starter,
  .membership-options__card--enterprise,
  .membership-options__card--pro {
    width: 340px;
  }

  .membership-options__card--pro {
    padding: var(--space-sm);
  }

  .membership-options__cards {
    align-items: stretch;
  }

  .testimonial {
    text-align: left;
    margin-bottom: 80px;
  }

  .testimonial__rating {
    justify-content: flex-start;
  }

  .testimonial__content {
    text-align: left;
  }

  .footer {
    padding: 64px 32px 0;
  }

  .footer__community {
    margin: 24px auto 64px;
  }

  .footer__cta-title {
    font-size: var(--font-hero);
  }

  .footer__cta {
    width: var(--footer-cta-width-1025);
    padding: var(--footer-cta-padding-1025);
    flex-wrap: nowrap;
    justify-content: center;
  }
}

/* Tablets (e.g., iPad portrait, up to 768px) */
@media (max-width: 768px) {
  .button {
    width: var(--button-width-768);
    padding: var(--button-padding-768);
    flex-wrap: nowrap;
    justify-content: center;
  }

  .membership-options__card--starter,
  .membership-options__card--enterprise,
  .membership-options__card--pro {
    width: 320px;
  }

  .footer__cta {
    width: var(--footer-cta-width-768);
    padding: var(--footer-cta-padding-768);
    flex-wrap: nowrap;
    justify-content: center;
  }
}

/* Between tablets and mobile (up to 540px) */
@media (max-width: 540px) {
  .button {
    font-size: 0.9rem;
    padding: 1rem 0.8rem;
    width: 70%;
  }

  .footer__cta {
    font-size: 0.9rem;
    padding: 1rem 0.8rem;
    width: 80%;
  }
}

/* Mobile (up to 480px) */
@media (max-width: 480px) {
  .container {
    max-width: 100%;
    padding: 0 var(--space-xs);
  }

  .hero__flex {
    padding-bottom: 2rem;
  }

  .hero__title {
    max-width: 90%;
    font-size: 2rem;
  }

  .button {
    width: var(--button-width-480);
    padding: var(--button-padding-480);
    flex-wrap: nowrap;
    justify-content: center;
    font-size: var(--font-body);
  }

  .features__item {
    gap: 1.5rem;
  }

  .features__item:nth-of-type(1) .features__image {
    grid-row: 2 / 3;
  }

  .features__item:nth-of-type(1) .features__content {
    grid-row: 1 / 2;
  }

  .features__content {
    padding: 0 var(--space-xs);
  }

  .features__list-item {
    margin-bottom: 0.8rem;
  }

  .features__title {
    max-width: 80%;
    font-size: 1.5rem;
  }

  .features__description {
    max-width: 100%;
  }

  .membership__process {
    padding: 48px 16px;
    margin-bottom: 48px;
    max-width: 95%;
  }

  .membership__process-steps {
    gap: 1.25rem;
  }

  .membership__process-title {
    font-size: 2rem;
    margin: 0 0 32px;
    max-width: 90%;
  }

  .membership__process-step {
    margin-bottom: 1.5rem;
    max-width: 300px;
  }

  .membership-options {
    margin-bottom: 64px;
  }

  .membership-options__title {
    font-size: 2rem;
    margin: 0 0 24px;
  }

  .membership-options__card--starter,
  .membership-options__card--enterprise,
  .membership-options__card--pro {
    width: 100%;
    margin-bottom: 1rem;
  }

  .membership-options__card--pro {
    padding: var(--space-sm);
  }

  .testimonial {
    margin-bottom: 64px;
  }

  .testimonial__content {
    font-size: 1.8rem;
    margin-bottom: 32px;
  }

  .footer {
    padding: 48px 16px 0;
  }

  .footer__community {
    margin: 24px auto 64px;
  }

  .footer__cta {
    width: var(--footer-cta-width-480);
    padding: var(--footer-cta-padding-480);
    font-size: 0.97rem;
    flex-wrap: nowrap;
  }

  .footer__cta-title {
    font-size: 2rem;
  }

  .attribution {
    flex-direction: column;
    gap: 1rem;
  }
}

/* Small Mobile (up to 400px) */
@media (max-width: 400px) {
  .hero__flex {
    padding-bottom: 1.5rem;
  }

  .hero__title {
    max-width: 80%;
    font-size: 1.7rem;
  }

  .button {
    width: var(--button-width-400);
    padding: var(--button-padding-400);
    font-size: 0.97rem;
    flex-wrap: nowrap;
    justify-content: center;
  }

  .features__item {
    gap: 1rem;
  }

  .features__item:nth-of-type(1) .features__image {
    grid-row: 2 / 3;
  }

  .features__item:nth-of-type(1) .features__content {
    grid-row: 1 / 2;
  }

  .features__content {
    padding: 0;
  }

  .features__list-item {
    margin-bottom: 0.5rem;
    max-width: 295px;
  }

  .features__title {
    font-size: 1.8rem;
    max-width: 95%;
  }

  .membership__process {
    padding: 24px 8px;
    margin-bottom: 24px;
  }

  .membership__process-title {
    line-height: 1.3;
    margin: 0 0 24px;
    font-size: 1.8rem;
    max-width: 200px;
  }

  .membership__process-step {
    margin-bottom: 1rem;
  }

  .membership__process-steps {
    gap: 1rem;
  }

  .membership-options__title {
    font-size: 1.8rem;
    margin: 0 0 24px;
  }

  .testimonial {
    margin-bottom: 24px;
  }

  .testimonial__content {
    font-size: 1.5rem;
  }

  .footer {
    padding: 32px 8px 0;
  }

  .footer__cta {
    width: var(--footer-cta-width-400);
    padding: var(--footer-cta-padding-400);
    font-size: 0.9rem;
    flex-wrap: nowrap;
  }

  .footer__cta-title {
    font-size: 1.7rem;
  }
}