/* ===== IELTS Tawfeeq — Design Tokens & Global Styles ===== */

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --teal: #01696F;
  --teal-dark: #015257;
  --teal-light: #028a92;
  --teal-subtle: #e6f3f3;
  --cream: #f7f6f2;
  --cream-dark: #edecea;
  --white: #ffffff;
  --black: #1a1a1a;
  --gray-50: #fafaf9;
  --gray-100: #f5f5f4;
  --gray-200: #e7e5e4;
  --gray-300: #d6d3d1;
  --gray-400: #a8a29e;
  --gray-500: #78716c;
  --gray-600: #57534e;
  --gray-700: #44403c;
  --gray-800: #292524;
  --gray-900: #1c1917;
  --gold: #d4a843;
  --gold-light: #f0d78c;
  --red: #dc2626;
  --green: #16a34a;
  --whatsapp: #25D366;

  /* Semantic colors (light mode) */
  --color-bg: var(--cream);
  --color-surface: var(--white);
  --color-surface-alt: var(--cream-dark);
  --color-text: var(--gray-900);
  --color-text-secondary: var(--gray-600);
  --color-text-muted: var(--gray-400);
  --color-primary: var(--teal);
  --color-primary-hover: var(--teal-dark);
  --color-primary-light: var(--teal-subtle);
  --color-border: var(--gray-200);
  --color-border-subtle: rgba(0,0,0,0.06);
  --color-card-shadow: rgba(0,0,0,0.06);

  /* Typography */
  --font-ar: 'IBM Plex Sans Arabic', system-ui, sans-serif;
  --font-en: 'IBM Plex Sans Arabic', system-ui, sans-serif;

  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.8125rem, 0.78rem + 0.15vw, 0.875rem);
  --text-base: clamp(0.9375rem, 0.9rem + 0.2vw, 1rem);
  --text-lg: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.5vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.2rem + 1vw, 2rem);
  --text-3xl: clamp(1.875rem, 1.5rem + 1.5vw, 2.5rem);
  --text-hero: clamp(2.25rem, 1.5rem + 3vw, 3.5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 720px;
  --header-height: 64px;
}

/* --- Dark Mode --- */
[data-theme="dark"] {
  --color-bg: #0f1413;
  --color-surface: #1a2322;
  --color-surface-alt: #1f2b2a;
  --color-text: #e8e6e3;
  --color-text-secondary: #a8a29e;
  --color-text-muted: #6b6560;
  --color-primary: #2bbbc3;
  --color-primary-hover: #35d0d9;
  --color-primary-light: rgba(43,187,195,0.12);
  --color-border: rgba(255,255,255,0.1);
  --color-border-subtle: rgba(255,255,255,0.05);
  --color-card-shadow: rgba(0,0,0,0.3);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-ar);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background var(--duration-normal) var(--ease-out),
              color var(--duration-normal) var(--ease-out);
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}
a:hover { color: var(--color-primary-hover); }

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}

ul, ol { list-style: none; }

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

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

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}

/* --- Header / Navigation --- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border-subtle);
  height: var(--header-height);
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out),
              background var(--duration-normal) var(--ease-out);
}

.header--scrolled {
  box-shadow: var(--shadow-sm);
  background: color-mix(in oklch, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

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

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.header__logo svg {
  width: 36px;
  height: 36px;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.header__nav a {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: color var(--duration-fast);
  text-decoration: none;
}

.header__nav a:hover,
.header__nav a.active {
  color: var(--color-primary);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Theme Toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: background var(--duration-fast), color var(--duration-fast);
}

.theme-toggle:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

/* Mobile Menu */
.mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text);
}

.mobile-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: background var(--duration-fast);
}

.mobile-toggle span::before,
.mobile-toggle span::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background: currentColor;
  right: 0;
  transition: transform var(--duration-normal) var(--ease-out);
}

.mobile-toggle span::before { top: -6px; }
.mobile-toggle span::after { top: 6px; }

.mobile-toggle.active span { background: transparent; }
.mobile-toggle.active span::before { transform: translateY(6px) rotate(45deg); }
.mobile-toggle.active span::after { transform: translateY(-6px) rotate(-45deg); }

.mobile-nav {
  display: none;
  position: fixed;
  inset: var(--header-height) 0 0 0;
  background: var(--color-bg);
  z-index: 99;
  padding: var(--space-8) var(--space-5);
  flex-direction: column;
  gap: var(--space-4);
  overflow-y: auto;
}

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

.mobile-nav a {
  font-size: var(--text-lg);
  color: var(--color-text);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-subtle);
  text-decoration: none;
  display: block;
}

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

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-weight: 600;
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.4;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--white);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn--secondary:hover {
  background: var(--color-primary-light);
  transform: translateY(-1px);
}

.btn--whatsapp {
  background: var(--whatsapp);
  color: var(--white);
}
.btn--whatsapp:hover {
  background: #1fb855;
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--lg {
  font-size: var(--text-base);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-lg);
}

.btn--sm {
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-5);
  letter-spacing: 0;
}

/* --- Cards --- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* --- Hero Section --- */
.hero {
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.hero h1 {
  font-size: var(--text-hero);
  max-width: 800px;
  margin-inline: auto;
  margin-bottom: var(--space-4);
  letter-spacing: -0.01em;
}

.hero__sub {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}

.hero__ctas {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Trust Bar --- */
.trust-bar {
  display: flex;
  justify-content: center;
  gap: clamp(var(--space-6), 4vw, var(--space-16));
  flex-wrap: wrap;
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.trust-item {
  text-align: center;
}

.trust-item__number {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-primary);
  display: block;
}

.trust-item__label {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

/* --- Section Headings --- */
.section-heading {
  text-align: center;
  margin-bottom: var(--space-10);
}

.section-heading h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}

.section-heading p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  max-width: 550px;
  margin-inline: auto;
}

/* --- Grid Layouts --- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

/* --- Value Props --- */
.value-prop {
  text-align: center;
  padding: var(--space-6);
}

.value-prop__icon {
  width: 48px;
  height: 48px;
  margin-inline: auto;
  margin-bottom: var(--space-4);
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.value-prop__icon svg {
  width: 24px;
  height: 24px;
}

.value-prop h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.value-prop p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* --- Pricing Cards --- */
.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  position: relative;
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-card--featured {
  border-color: var(--color-primary);
  border-width: 2px;
}

.pricing-card--featured::before {
  content: 'الأكثر شعبية ★';
  position: absolute;
  top: -14px;
  right: 50%;
  transform: translateX(50%);
  background: var(--color-primary);
  color: var(--white);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.pricing-card__price {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.pricing-card__period {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.pricing-card__features {
  text-align: start;
  margin-bottom: var(--space-6);
}

.pricing-card__features li {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding: var(--space-2) 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.pricing-card__features li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: 700;
  flex-shrink: 0;
}

/* --- Testimonials --- */
.testimonial {
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.testimonial__text {
  font-size: var(--text-base);
  line-height: 1.7;
  margin-bottom: var(--space-4);
  color: var(--color-text);
  position: relative;
}

.testimonial__text::before {
  content: '"';
  font-size: var(--text-3xl);
  color: var(--color-primary);
  opacity: 0.3;
  position: absolute;
  top: -10px;
  right: -5px;
  font-family: Georgia, serif;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.testimonial__avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.testimonial__name {
  font-weight: 600;
  font-size: var(--text-sm);
}

.testimonial__detail {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* --- FAQ --- */
.faq-item {
  border-bottom: 1px solid var(--color-border-subtle);
}

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) 0;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  text-align: start;
  cursor: pointer;
  gap: var(--space-4);
}

.faq-item__question::after {
  content: '+';
  font-size: var(--text-xl);
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform var(--duration-normal) var(--ease-out);
}

.faq-item.active .faq-item__question::after {
  content: '−';
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-out),
              padding var(--duration-slow) var(--ease-out);
}

.faq-item.active .faq-item__answer {
  max-height: 500px;
  padding-bottom: var(--space-5);
}

.faq-item__answer p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* --- Lead Form --- */
.lead-form {
  background: var(--color-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-10) var(--space-8);
  text-align: center;
  color: var(--white);
}

.lead-form h2 {
  color: var(--white);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}

.lead-form p {
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--space-6);
}

.lead-form__fields {
  display: flex;
  gap: var(--space-3);
  max-width: 500px;
  margin-inline: auto;
  flex-wrap: wrap;
}

.lead-form__fields input {
  flex: 1;
  min-width: 200px;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: none;
  background: rgba(255,255,255,0.15);
  color: var(--white);
  font-size: var(--text-sm);
}

.lead-form__fields input::placeholder {
  color: rgba(255,255,255,0.6);
}

.lead-form__fields .btn {
  background: var(--white);
  color: var(--color-primary);
  font-weight: 700;
}

.lead-form__fields .btn:hover {
  background: var(--cream);
}

/* --- Footer --- */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-subtle);
  padding-block: var(--space-12) var(--space-6);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-10);
}

.footer__brand p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-3);
  line-height: 1.6;
}

.footer__heading {
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.footer__links a {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding: var(--space-1) 0;
  text-decoration: none;
}

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

.footer__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.footer__social a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--duration-fast), color var(--duration-fast);
}

.footer__social a:hover {
  background: var(--color-primary);
  color: var(--white);
}

.footer__social svg {
  width: 18px;
  height: 18px;
}

.footer__bottom {
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__bottom p,
.footer__bottom a {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* --- WhatsApp Floating Button --- */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  left: var(--space-6);
  z-index: 1000;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--whatsapp);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast);
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
  color: var(--white);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

/* --- Blog Cards --- */
.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.blog-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.blog-card__image {
  height: 180px;
  background: var(--color-primary);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.blog-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-light) 100%);
  opacity: 0.9;
}

.blog-card__image span {
  position: relative;
  z-index: 1;
  color: var(--white);
  font-size: var(--text-3xl);
  opacity: 0.4;
}

.blog-card__body {
  padding: var(--space-5);
}

.blog-card__tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}

.blog-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
  line-height: 1.4;
}

.blog-card__title a {
  color: var(--color-text);
  text-decoration: none;
}

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

.blog-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-3);
}

.blog-card__meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  display: flex;
  gap: var(--space-4);
}

/* --- Article Styles --- */
.article-header {
  text-align: center;
  padding-block: var(--space-12);
}

.article-header__tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.article-header h1 {
  font-size: var(--text-3xl);
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: var(--space-4);
}

.article-header__meta {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  display: flex;
  justify-content: center;
  gap: var(--space-6);
}

.article-content {
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-bottom: var(--space-16);
}

.article-content h2 {
  font-size: var(--text-xl);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--color-primary-light);
}

.article-content h3 {
  font-size: var(--text-lg);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.article-content p {
  margin-bottom: var(--space-4);
  line-height: 1.8;
}

.article-content ul,
.article-content ol {
  margin-bottom: var(--space-4);
  padding-right: var(--space-6);
}

.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }

.article-content li {
  margin-bottom: var(--space-2);
  line-height: 1.7;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
}

.article-content th,
.article-content td {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  text-align: start;
}

.article-content th {
  background: var(--color-primary-light);
  font-weight: 600;
}

.article-content blockquote {
  border-right: 4px solid var(--color-primary);
  padding: var(--space-4) var(--space-6);
  margin: var(--space-6) 0;
  background: var(--color-primary-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

.article-cta {
  background: var(--color-primary-light);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  margin: var(--space-8) 0;
}

.article-cta h3 {
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.article-cta p {
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
}

/* --- Tools Page --- */
.tool-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  margin-bottom: var(--space-8);
}

.tool-card h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.tool-card h2 svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.tool-card > p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

.tool-inputs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.tool-input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.tool-input-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.tool-input-group input,
.tool-input-group select,
.tool-input-group textarea {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--duration-fast);
}

.tool-input-group input:focus,
.tool-input-group select:focus,
.tool-input-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.tool-result {
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-2);
}

.tool-result__band {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-primary);
}

.tool-result__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.tool-cta {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-subtle);
  text-align: center;
}

.tool-cta p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

/* Timer specific */
.timer-display {
  font-size: var(--text-hero);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.timer-phase {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.timer-controls {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
}

.timer-progress {
  width: 100%;
  height: 6px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
  overflow: hidden;
}

.timer-progress__bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width 1s linear;
}

/* Word count specific */
.word-count-display {
  display: flex;
  gap: var(--space-6);
  justify-content: center;
  flex-wrap: wrap;
}

.word-count-stat {
  text-align: center;
}

.word-count-stat__number {
  font-size: var(--text-2xl);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.word-count-stat__number--warning { color: var(--red); }
.word-count-stat__number--ok { color: var(--green); }

.word-count-stat__label {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

/* Study plan result */
.study-plan-result {
  text-align: start;
}

.study-plan-week {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border-subtle);
}

.study-plan-week:last-child { border-bottom: none; }

.study-plan-week h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.study-plan-week p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* --- About Page --- */
.about-hero {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-10);
  align-items: start;
  padding-block: var(--space-12);
}

.about-avatar {
  width: 200px;
  height: 200px;
  border-radius: var(--radius-2xl);
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 4rem;
  font-weight: 700;
  margin-inline: auto;
}

.about-content h1 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}

.about-content .subtitle {
  font-size: var(--text-lg);
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-6);
}

.about-content p {
  margin-bottom: var(--space-4);
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.credentials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.credential-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  gap: var(--space-4);
  align-items: start;
}

.credential-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.credential-card h3 {
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.credential-card p {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .header__nav { display: none; }
  .mobile-toggle { display: flex; }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .about-hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .lead-form {
    padding: var(--space-8) var(--space-5);
  }
  
  .pricing-card {
    padding: var(--space-6);
  }
  
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .hero__ctas {
    flex-direction: column;
    align-items: center;
  }
  
  .hero__ctas .btn {
    width: 100%;
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .container {
    padding-inline: var(--space-4);
  }
  
  .trust-bar {
    gap: var(--space-4);
  }
  
  .tool-inputs {
    grid-template-columns: 1fr;
  }
}

/* --- Scroll Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

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

/* --- Skip Link (Accessibility) --- */
.skip-link {
  position: absolute;
  top: -100%;
  right: var(--space-4);
  background: var(--color-primary);
  color: var(--white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  z-index: 200;
  font-size: var(--text-sm);
}

.skip-link:focus {
  top: var(--space-2);
}

/* ===== Blog Content Styles ===== */
.blog-content h2 { font-size: var(--text-xl); margin-top: var(--space-10); margin-bottom: var(--space-4); color: var(--heading); line-height: 1.4; }
.blog-content h3 { font-size: var(--text-lg); margin-top: var(--space-6); margin-bottom: var(--space-3); color: var(--heading); line-height: 1.4; }
.blog-content p { margin-bottom: var(--space-4); line-height: 1.8; color: var(--text); }
.blog-content ul, .blog-content ol { margin-bottom: var(--space-4); padding-right: var(--space-6); }
.blog-content li { margin-bottom: var(--space-2); line-height: 1.7; }
.blog-content table { width: 100%; border-collapse: collapse; margin-block: var(--space-6); font-size: var(--text-sm); overflow-x: auto; display: block; }
.blog-content th, .blog-content td { padding: var(--space-3) var(--space-4); border: 1px solid var(--border); text-align: right; vertical-align: top; }
.blog-content th { background: var(--surface); font-weight: 600; white-space: nowrap; }
.blog-content blockquote { border-right: 4px solid var(--teal); padding: var(--space-4) var(--space-6); margin-block: var(--space-6); background: var(--surface); border-radius: var(--radius-md); font-style: italic; }
.blog-content strong { color: var(--heading); }
.blog-content a { color: var(--teal); text-decoration: underline; text-underline-offset: 2px; }
.blog-content a:hover { color: var(--teal-dark); }
.blog-content code { background: var(--surface); padding: 0.15em 0.4em; border-radius: var(--radius-sm); font-size: 0.9em; }

/* Tip Box */
.tip-box { background: linear-gradient(135deg, rgba(13,148,136,0.08), rgba(13,148,136,0.03)); border: 1px solid rgba(13,148,136,0.2); border-radius: var(--radius-lg); padding: var(--space-6); margin-block: var(--space-6); }
.tip-box strong { color: var(--teal); }

/* Warning Box */
.warning-box { background: linear-gradient(135deg, rgba(239,68,68,0.08), rgba(239,68,68,0.03)); border: 1px solid rgba(239,68,68,0.2); border-radius: var(--radius-lg); padding: var(--space-6); margin-block: var(--space-6); }
.warning-box strong { color: #dc2626; }

/* FAQ (details/summary) */
.faq-list { display: flex; flex-direction: column; gap: var(--space-3); }
details.faq-item { border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; transition: border-color 0.2s; }
details.faq-item[open] { border-color: var(--teal); }
details.faq-item summary { padding: var(--space-4) var(--space-5); cursor: pointer; font-weight: 600; background: var(--surface); list-style: none; display: flex; justify-content: space-between; align-items: center; gap: var(--space-3); }
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary::after { content: '+'; font-size: 1.3em; color: var(--teal); font-weight: 400; flex-shrink: 0; transition: transform 0.2s; }
details.faq-item[open] summary::after { content: '−'; }
details.faq-item summary:hover { background: var(--cream-dark); }
details.faq-item > p, details.faq-item > div { padding: var(--space-4) var(--space-5); line-height: 1.8; }

/* Blog content responsive tables */
@media (max-width: 640px) {
  .blog-content table { font-size: 0.8rem; }
  .blog-content th, .blog-content td { padding: var(--space-2) var(--space-3); }
}

/* Print */
@media print {
  .header, .footer, .whatsapp-float, .mobile-nav { display: none !important; }
  body { background: white; color: black; }
}