:root {
      --black: #0b0b0b;
      --black-2: #111111;
      --black-3: #181818;

      --yellow: #ffd21c;
      --yellow-light: #ffe66b;

      --white: #ffffff;
      --text: #f5f5f5;
      --muted: #a3a3a3;
      --border: rgba(255,255,255,0.09);

      --radius: 22px;
      --max-width: 1180px;
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "Inter", sans-serif;
      background: var(--black);
      color: var(--text);
      line-height: 1.6;
      overflow-x: hidden;
    }

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

    button {
      font-family: inherit;
      cursor: pointer;
    }

    .container {
      width: min(92%, var(--max-width));
      margin: auto;
    }

    /* =========================
       NAVBAR
    ========================== */

    nav {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(11,11,11,0.82);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--border);
    }

    .nav-inner {
      height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 21px;
      font-weight: 800;
      letter-spacing: -0.7px;
    }

    .logo-mark {
      width: 34px;
      height: 34px;
      border-radius: 11px;
      display: grid;
      place-items: center;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 34px;
    }

    .nav-links a {
      color: #bdbdbd;
      font-size: 14px;
      font-weight: 500;
      transition: 0.2s ease;
    }

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

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .theme-btn {
      width: 40px;
      height: 40px;
      border: 1px solid var(--border);
      border-radius: 50%;
      background: transparent;
      color: white;
      font-size: 17px;
    }

    .nav-button {
      padding: 11px 18px;
      border-radius: 12px;
      background: var(--yellow);
      color: var(--black);
      font-size: 13px;
      font-weight: 700;
      border: none;
      transition: 0.2s ease;
    }

    .nav-button:hover {
      transform: translateY(-2px);
      background: var(--yellow-light);
    }

    .menu-btn {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--border);
      border-radius: 12px;
      background: transparent;
      color: white;
      font-size: 21px;
    }

    /* =========================
       HERO
    ========================== */

    .hero {
      padding: 110px 0 90px;
      text-align: center;
      position: relative;
    }

    .hero::before {
      content: "";
      position: absolute;
      width: 600px;
      height: 600px;
      background: var(--yellow);
      opacity: 0.07;
      filter: blur(130px);
      border-radius: 50%;
      top: -250px;
      left: 50%;
      transform: translateX(-50%);
      pointer-events: none;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border: 1px solid rgba(255,210,28,0.3);
      border-radius: 50px;
      color: var(--yellow);
      background: rgba(255,210,28,0.06);
      font-size: 12px;
      font-weight: 600;
      margin-bottom: 25px;
    }

    .badge span {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--yellow);
    }

    .hero h1 {
      max-width: 850px;
      margin: auto;
      font-size: clamp(46px, 7vw, 82px);
      line-height: 0.98;
      letter-spacing: -5px;
      font-weight: 800;
    }

    .hero h1 span {
      color: var(--yellow);
    }

    .hero p {
      max-width: 650px;
      margin: 28px auto 0;
      color: var(--muted);
      font-size: 18px;
    }

    .hero-buttons {
      margin-top: 35px;
      display: flex;
      justify-content: center;
      gap: 12px;
      flex-wrap: wrap;
    }

    .primary-btn {
      padding: 14px 23px;
      background: var(--yellow);
      color: var(--black);
      border: none;
      border-radius: 13px;
      font-weight: 700;
      font-size: 14px;
      transition: 0.2s ease;
    }

    .primary-btn:hover {
      transform: translateY(-3px);
      background: var(--yellow-light);
    }

    .secondary-btn {
      padding: 14px 23px;
      background: var(--black-3);
      color: white;
      border: 1px solid var(--border);
      border-radius: 13px;
      font-weight: 600;
      font-size: 14px;
    }

    /* =========================
       APP PREVIEW
    ========================== */

    .preview-wrapper {
      margin-top: 75px;
      display: flex;
      justify-content: center;
    }

    .app-window {
      width: min(920px, 100%);
      background: #f5f5f5;
      border: 7px solid #202020;
      border-radius: 28px;
      padding: 12px;
      box-shadow:
        0 30px 100px rgba(0,0,0,0.55),
        0 0 0 1px rgba(255,255,255,0.05);
    }

    .app-header {
      height: 52px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 14px;
      color: #111;
    }

    .app-title {
      font-weight: 800;
      font-size: 16px;
    }

    .app-icons {
      display: flex;
      gap: 8px;
    }

    .app-circle {
      width: 31px;
      height: 31px;
      border-radius: 50%;
      background: #e7e7e7;
      display: grid;
      place-items: center;
      font-size: 13px;
    }

    .app-content {
      background: #ededed;
      border-radius: 17px;
      padding: 25px;
      min-height: 390px;
      color: #111;
    }

    .app-date {
      font-size: 13px;
      color: #777;
      margin-bottom: 5px;
    }

    .app-heading {
      font-size: 27px;
      font-weight: 800;
      margin-bottom: 22px;
    }

    .habit-list {
      display: grid;
      gap: 10px;
    }

    .habit-item {
      background: white;
      border-radius: 15px;
      padding: 16px;
      display: flex;
      align-items: center;
      gap: 14px;
      box-shadow: 0 2px 5px rgba(0,0,0,0.04);
    }

    .habit-check {
      width: 23px;
      height: 23px;
      border-radius: 50%;
      border: 2px solid #aaa;
      flex-shrink: 0;
      display: grid;
      place-items: center;
      cursor: pointer;
    }

    .habit-item.completed .habit-check {
      background: #111;
      border-color: #111;
      color: white;
    }

    .habit-item.completed .habit-name {
      text-decoration: line-through;
      color: #999;
    }

    .habit-name {
      font-size: 14px;
      font-weight: 600;
    }

    .habit-streak {
      margin-left: auto;
      font-size: 12px;
      font-weight: 700;
      color: #999;
    }

    /* =========================
       SECTIONS
    ========================== */

    section {
      padding: 105px 0;
    }

    .section-heading {
      max-width: 700px;
      margin-bottom: 55px;
    }

    .eyebrow {
      color: var(--yellow);
      font-size: 12px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      margin-bottom: 13px;
    }

    .section-heading h2 {
      font-size: clamp(34px, 5vw, 53px);
      line-height: 1.05;
      letter-spacing: -2.5px;
    }

    .section-heading p {
      color: var(--muted);
      margin-top: 17px;
      max-width: 570px;
    }

    /* =========================
       FEATURES
    ========================== */

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 15px;
    }

    .feature-card {
      background: var(--black-2);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 29px;
      min-height: 230px;
      transition: 0.25s ease;
    }

    .feature-card:hover {
      transform: translateY(-5px);
      border-color: rgba(255,210,28,0.3);
    }

    .feature-icon {
      width: 44px;
      height: 44px;
      border-radius: 13px;
      display: grid;
      place-items: center;
      background: var(--yellow);
      color: var(--black);
      font-weight: 900;
      margin-bottom: 27px;
    }

    .feature-card h3 {
      font-size: 19px;
      margin-bottom: 10px;
    }

    .feature-card p {
      color: var(--muted);
      font-size: 14px;
    }

    /* =========================
       SPLIT SECTION
    ========================== */

    .split {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 70px;
      align-items: center;
    }

    .check-list {
      display: grid;
      gap: 18px;
      margin-top: 30px;
    }

    .check-row {
      display: flex;
      gap: 14px;
      align-items: flex-start;
    }

    .check-icon {
      width: 25px;
      height: 25px;
      flex-shrink: 0;
      border-radius: 8px;
      background: var(--yellow);
      color: #111;
      display: grid;
      place-items: center;
      font-size: 12px;
      font-weight: 900;
    }

    .check-row h4 {
      font-size: 15px;
      margin-bottom: 3px;
    }

    .check-row p {
      color: var(--muted);
      font-size: 13px;
    }

    /* =========================
       POLICY PAGE
    ========================== */

    .policy-content {
      max-width: 900px;
    }

    .policy-content .section-heading {
      max-width: 780px;
      margin-bottom: 44px;
    }

    .policy-content .section-heading h1 {
      font-size: clamp(36px, 5vw, 56px);
      line-height: 1.05;
      letter-spacing: -2.5px;
    }

    .policy-list {
      gap: 27px;
      margin-top: 0;
    }

    .policy-list .check-row {
      gap: 16px;
    }

    .policy-list .check-row > div:last-child {
      max-width: 760px;
    }

    .policy-list .check-row h4 {
      font-size: 16px;
      margin-bottom: 6px;
    }

    .policy-list .check-row p {
      font-size: 14px;
      line-height: 1.75;
    }

    .stats-card {
      background: var(--black-2);
      border: 1px solid var(--border);
      border-radius: 27px;
      padding: 30px;
    }

    .stats-header {
      display: flex;
      justify-content: space-between;
      margin-bottom: 28px;
    }

    .stats-header strong {
      font-size: 18px;
    }

    .stats-header span {
      color: var(--yellow);
      font-size: 13px;
    }

    .days {
      display: grid;
      grid-template-columns: repeat(7, 1fr);
      gap: 8px;
      margin-bottom: 28px;
    }

    .day {
      height: 65px;
      border-radius: 12px;
      background: #1d1d1d;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 4px;
    }

    .day small {
      color: #777;
      font-size: 10px;
    }

    .day strong {
      font-size: 13px;
    }

    .day.active {
      background: var(--yellow);
      color: #111;
    }

    .progress {
      height: 9px;
      background: #252525;
      border-radius: 20px;
      overflow: hidden;
    }

    .progress div {
      width: 78%;
      height: 100%;
      background: var(--yellow);
      border-radius: inherit;
    }

    /* =========================
       TESTIMONIALS
    ========================== */

    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 15px;
    }

    .testimonial {
      padding: 27px;
      border-radius: var(--radius);
      background: var(--black-2);
      border: 1px solid var(--border);
    }

    .stars {
      color: var(--yellow);
      letter-spacing: 3px;
      margin-bottom: 20px;
    }

    .testimonial p {
      color: #d2d2d2;
      font-size: 14px;
      margin-bottom: 25px;
    }

    .user {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .avatar {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: var(--yellow);
      color: #111;
      display: grid;
      place-items: center;
      font-weight: 800;
    }

    .user strong {
      display: block;
      font-size: 13px;
    }

    .user span {
      color: #777;
      font-size: 11px;
    }

    /* =========================
       PRICING
    ========================== */

    .pricing {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      max-width: 850px;
    }

    .price-card {
      border: 1px solid var(--border);
      background: var(--black-2);
      border-radius: 24px;
      padding: 30px;
    }

    .price-card.featured {
      border: 1px solid var(--yellow);
      position: relative;
    }

    .popular {
      position: absolute;
      top: 18px;
      right: 18px;
      padding: 5px 9px;
      border-radius: 20px;
      background: var(--yellow);
      color: #111;
      font-size: 10px;
      font-weight: 800;
    }

    .price-card h3 {
      font-size: 20px;
    }

    .price {
      font-size: 45px;
      font-weight: 800;
      margin: 15px 0 3px;
    }

    .price small {
      color: #777;
      font-size: 12px;
      font-weight: 400;
    }

    .price-card > p {
      color: var(--muted);
      font-size: 13px;
    }

    .price-features {
      display: grid;
      gap: 11px;
      margin: 25px 0;
      list-style: none;
    }

    .price-features li {
      color: #ccc;
      font-size: 13px;
    }

    .price-features li::before {
      content: "✓";
      color: var(--yellow);
      font-weight: 800;
      margin-right: 8px;
    }

    .price-btn {
      width: 100%;
      padding: 13px;
      border-radius: 12px;
      border: 1px solid var(--border);
      background: transparent;
      color: white;
      font-weight: 700;
    }

    .featured .price-btn {
      background: var(--yellow);
      color: #111;
      border-color: var(--yellow);
    }

    /* =========================
       CTA
    ========================== */

    .cta {
      padding: 90px 0;
    }

    .cta-box {
      text-align: center;
      padding: 75px 25px;
      border-radius: 30px;
      background: var(--yellow);
      color: #111;
      position: relative;
      overflow: hidden;
    }

    .cta-box::before,
    .cta-box::after {
      content: "";
      position: absolute;
      border: 1px solid rgba(0,0,0,0.12);
      border-radius: 50%;
    }

    .cta-box::before {
      width: 400px;
      height: 400px;
      top: -280px;
      left: -100px;
    }

    .cta-box::after {
      width: 300px;
      height: 300px;
      bottom: -220px;
      right: -60px;
    }

    .cta-box h2 {
      font-size: clamp(35px, 5vw, 58px);
      letter-spacing: -3px;
      line-height: 1;
      position: relative;
      z-index: 1;
    }

    .cta-box p {
      max-width: 530px;
      margin: 18px auto 27px;
      color: #3c350e;
      position: relative;
      z-index: 1;
    }

    .cta-btn {
      background: #111;
      color: white;
      padding: 14px 24px;
      border-radius: 12px;
      border: none;
      font-weight: 700;
      position: relative;
      z-index: 1;
    }

    /* =========================
       FOOTER
    ========================== */

    footer {
      border-top: 1px solid var(--border);
      padding: 55px 0 30px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 50px;
    }

    .footer-brand p {
      max-width: 300px;
      color: #777;
      font-size: 13px;
      margin-top: 14px;
    }

    .footer-column h4 {
      font-size: 13px;
      margin-bottom: 15px;
    }

    .footer-column a {
      display: block;
      color: #777;
      font-size: 13px;
      margin-bottom: 9px;
    }

    .footer-column a:hover {
      color: white;
    }

    .copyright {
      border-top: 1px solid var(--border);
      padding-top: 25px;
      color: #666;
      font-size: 12px;
      display: flex;
      justify-content: space-between;
    }

    /* =========================
       LIGHT THEME
    ========================== */

    body.light {
      --black: #f7f7f7;
      --black-2: #ffffff;
      --black-3: #eeeeee;
      --white: #111111;
      --text: #111111;
      --muted: #666666;
      --border: rgba(0,0,0,0.09);
    }

    body.light nav {
      background: rgba(247,247,247,0.85);
    }

    body.light .nav-links a {
      color: #666;
    }

    body.light .theme-btn {
      color: #111;
    }

    body.light .secondary-btn {
      color: #111;
    }

    body.light .feature-card,
    body.light .testimonial,
    body.light .price-card,
    body.light .stats-card {
      box-shadow: 0 8px 30px rgba(0,0,0,0.04);
    }

    /* =========================
CONTACT
========================== */

#contact {
position: relative;
overflow: hidden;
}

#contact::before {
content: "";
position: absolute;
width: 500px;
height: 500px;
background: var(--yellow);
opacity: 0.035;
filter: blur(120px);
border-radius: 50%;
top: 100px;
right: -250px;
pointer-events: none;
}

/* HEADER */

.contact-header {
max-width: 760px;
margin-bottom: 60px;
}

.section-eyebrow {
display: block;
color: var(--yellow);
font-size: 12px;
font-weight: 800;
text-transform: uppercase;
letter-spacing: 1.5px;
margin-bottom: 15px;
}

.contact-header h2 {
font-size: clamp(42px, 6vw, 68px);
line-height: 1;
letter-spacing: -3.5px;
font-weight: 800;
}

.contact-header h2 span {
color: var(--yellow);
}

.contact-header p {
max-width: 600px;
margin-top: 22px;
color: var(--muted);
font-size: 16px;
}

/* MAIN LAYOUT */

.contact-layout {
display: grid;
grid-template-columns: 0.85fr 1.15fr;
gap: 55px;
align-items: start;
}

/* LEFT */

.contact-info {
padding-top: 8px;
}

.contact-intro {
display: flex;
gap: 18px;
margin-bottom: 30px;
}

.contact-number {
width: 38px;
height: 38px;
flex-shrink: 0;
border: 1px solid rgba(255, 210, 28, 0.35);
border-radius: 11px;
display: grid;
place-items: center;
color: var(--yellow);
font-size: 11px;
font-weight: 800;
}

.contact-intro h3 {
font-size: 20px;
margin-bottom: 7px;
}

.contact-intro p {
color: var(--muted);
font-size: 13px;
line-height: 1.7;
max-width: 390px;
}

/* CHANNELS */

.contact-channels {
display: grid;
gap: 10px;
}

.contact-channel {
display: flex;
align-items: center;
gap: 14px;
padding: 17px;
border-radius: 16px;
background: var(--black-2);
border: 1px solid var(--border);
transition: 0.25s ease;
}

.contact-channel:hover {
transform: translateX(5px);
border-color: rgba(255, 210, 28, 0.35);
background: var(--black-3);
}

.contact-channel-icon {
width: 43px;
height: 43px;
flex-shrink: 0;
display: grid;
place-items: center;
border-radius: 12px;
background: var(--black-3);
border: 1px solid var(--border);
font-size: 18px;
}

.contact-channel-content {
min-width: 0;
display: flex;
flex-direction: column;
}

.contact-channel-label {
font-size: 13px;
font-weight: 700;
}

.contact-channel-sub {
color: #777;
font-size: 11px;
margin-top: 2px;
}

.contact-arrow {
margin-left: auto;
color: #666;
font-size: 18px;
transition: 0.2s ease;
}

.contact-channel:hover .contact-arrow {
color: var(--yellow);
transform: translate(2px, -2px);
}

/* NOTE */

.contact-note {
display: flex;
align-items: flex-start;
gap: 11px;
margin-top: 24px;
padding: 16px;
border-radius: 15px;
background: rgba(255, 210, 28, 0.045);
border: 1px solid rgba(255, 210, 28, 0.12);
}

.contact-note span {
font-size: 15px;
}

.contact-note p {
color: #8f8f8f;
font-size: 11px;
line-height: 1.65;
}

/* FORM */

.contact-form {
padding: 31px;
background: var(--black-2);
border: 1px solid var(--border);
border-radius: 25px;
box-shadow: 0 25px 70px rgba(0, 0, 0, 0.18);
}

.form-top {
display: flex;
align-items: flex-start;
justify-content: space-between;
gap: 20px;
padding-bottom: 25px;
margin-bottom: 25px;
border-bottom: 1px solid var(--border);
}

.form-label-small {
color: var(--yellow);
font-size: 10px;
font-weight: 800;
letter-spacing: 1.4px;
}

.form-top h3 {
margin-top: 6px;
font-size: 21px;
letter-spacing: -0.5px;
}

.form-status {
display: flex;
align-items: center;
gap: 7px;
color: #777;
font-size: 10px;
white-space: nowrap;
padding-top: 3px;
}

.form-status span {
width: 6px;
height: 6px;
border-radius: 50%;
background: var(--yellow);
box-shadow: 0 0 10px rgba(255, 210, 28, 0.5);
}

/* FORM ROW */

.form-row {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 14px;
}

/* FORM GROUP */

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

.form-group label,
.message-label label {
display: block;
color: #d5d5d5;
font-size: 11px;
font-weight: 700;
margin-bottom: 8px;
}

.input-wrapper {
position: relative;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
width: 100%;
font-family: inherit;
font-size: 13px;
color: var(--text);
background: var(--black-3);
border: 1px solid var(--border);
outline: none;
border-radius: 12px;
transition: 0.2s ease;
}

.contact-form input,
.contact-form select {
height: 48px;
padding: 0 14px;
}

.contact-form textarea {
min-height: 135px;
resize: vertical;
padding: 13px 14px;
line-height: 1.6;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
color: #5f5f5f;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
border-color: rgba(255, 210, 28, 0.65);
box-shadow: 0 0 0 3px rgba(255, 210, 28, 0.07);
}

/* SELECT */

.select-wrapper select {
appearance: none;
-webkit-appearance: none;
padding-right: 40px;
}

.select-arrow {
position: absolute;
right: 15px;
top: 50%;
transform: translateY(-52%);
color: #777;
pointer-events: none;
font-size: 17px;
}

/* MESSAGE LABEL */

.message-label {
display: flex;
align-items: center;
justify-content: space-between;
}

.message-label span {
color: #555;
font-size: 9px;
text-transform: uppercase;
letter-spacing: 0.7px;
}

/* FORM BOTTOM */

.form-bottom {
display: flex;
align-items: center;
justify-content: space-between;
gap: 20px;
margin-top: 6px;
}

.privacy-text {
max-width: 260px;
color: #666;
font-size: 10px;
line-height: 1.5;
}

.btn-send {
display: flex;
align-items: center;
gap: 16px;
padding: 13px 16px 13px 19px;
border: none;
border-radius: 12px;
background: var(--yellow);
color: #111;
font-size: 12px;
font-weight: 800;
transition: 0.25s ease;
}

.send-arrow {
width: 27px;
height: 27px;
display: grid;
place-items: center;
border-radius: 8px;
background: rgba(0, 0, 0, 0.12);
font-size: 15px;
transition: 0.2s ease;
}

.btn-send:hover {
background: var(--yellow-light);
transform: translateY(-2px);
}

.btn-send:hover .send-arrow {
transform: translateX(3px);
}

/* LIGHT THEME */

body.light .contact-form,
body.light .contact-channel {
box-shadow: 0 10px 35px rgba(0, 0, 0, 0.035);
}

body.light .contact-form input,
body.light .contact-form select,
body.light .contact-form textarea {
background: #f4f4f4;
color: #111;
}

body.light .contact-channel-icon {
background: #eeeeee;
}

body.light .contact-note {
background: rgba(255, 210, 28, 0.08);
}

/* =========================
TERMS & CONDITIONS
========================== */

#terms {
position: relative;
}

.policy-updated {
margin-top: 20px;
color: #666;
font-size: 11px;
}

.policy-list {
display: grid;
}

.policy-list .check-icon {
font-size: 9px;
letter-spacing: -0.2px;
font-weight: 800;
}

.policy-list .check-row {
align-items: flex-start;
}

.policy-list .check-row p + p {
margin-top: 10px;
}

body.light .policy-updated {
color: #888;
}


/* MOBILE */

@media (max-width: 850px) {

.contact-layout {
grid-template-columns: 1fr;
gap: 40px;
}

.contact-header {
margin-bottom: 45px;
}

.contact-header h2 {
letter-spacing: -2.5px;
}

}

@media (max-width: 550px) {

.contact-header h2 {
font-size: 40px;
}

.contact-header p {
font-size: 14px;
}

.contact-form {
padding: 21px;
border-radius: 20px;
}

.form-row {
grid-template-columns: 1fr;
gap: 0;
}

.form-top {
flex-direction: column;
}

.form-status {
padding-top: 0;
}

.form-bottom {
align-items: stretch;
flex-direction: column;
}

.privacy-text {
max-width: none;
}

.btn-send {
justify-content: center;
width: 100%;
}

}

    /* =========================
       MOBILE
    ========================== */

    @media (max-width: 850px) {

      .nav-links,
      .nav-button {
        display: none;
      }

      .menu-btn {
        display: block;
      }

      .nav-links.open {
        display: flex;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: var(--black);
        border-bottom: 1px solid var(--border);
        padding: 25px;
        flex-direction: column;
        align-items: flex-start;
      }

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

      .split {
        grid-template-columns: 1fr;
        gap: 40px;
      }

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

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

      .hero {
        padding-top: 80px;
      }

      .hero h1 {
        letter-spacing: -3px;
      }
    }

    @media (max-width: 550px) {

      section {
        padding: 75px 0;
      }

      .hero p {
        font-size: 15px;
      }

      .app-content {
        padding: 15px;
      }

      .app-window {
        border-width: 4px;
        padding: 7px;
        border-radius: 20px;
      }

      .habit-item {
        padding: 13px;
      }

      .habit-streak {
        display: none;
      }

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

      .copyright {
        flex-direction: column;
        gap: 8px;
      }

      .cta-box {
        padding: 60px 20px;
      }
    }