/* =========================================================
   ExampleWebsite.com
   Main Stylesheet
   ========================================================= */


/* =========================================================
   1. CSS Variables
   ========================================================= */

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #eff6ff;

    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-text-muted: #9ca3af;

    --color-heading: #111827;

    --color-background: #ffffff;
    --color-background-soft: #f8fafc;
    --color-background-blue: #f5f9ff;

    --color-border: #e5e7eb;
    --color-border-dark: #d1d5db;

    --color-card: #ffffff;

    --shadow-small:
        0 1px 2px rgba(0, 0, 0, 0.04),
        0 2px 8px rgba(0, 0, 0, 0.03);

    --shadow-medium:
        0 8px 24px rgba(15, 23, 42, 0.07);

    --shadow-large:
        0 18px 50px rgba(15, 23, 42, 0.10);

    --radius-small: 8px;
    --radius-medium: 14px;
    --radius-large: 22px;

    --max-width: 1180px;

    --transition: 0.2s ease;
}


/* =========================================================
   2. Reset / Base
   ========================================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        Helvetica,
        Arial,
        sans-serif;

    font-size: 16px;
    line-height: 1.6;

    color: var(--color-text);
    background: var(--color-background);

    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

button,
input,
textarea,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

h1,
h2,
h3,
h4,
p {
    margin-top: 0;
}

h1,
h2,
h3,
h4 {
    color: var(--color-heading);
    line-height: 1.2;
}

ul {
    padding-left: 0;
}

section {
    scroll-margin-top: 90px;
}


/* =========================================================
   3. Shared Layout
   ========================================================= */

.content-container,
.header-inner,
.footer-inner {
    width: min(
        calc(100% - 40px),
        var(--max-width)
    );
    margin: 0 auto;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 42px;
}

.section-heading h2 {
    margin-bottom: 16px;
    font-size: clamp(30px, 4vw, 42px);
    letter-spacing: -0.035em;
}

.section-heading p {
    margin-bottom: 0;
    font-size: 18px;
    color: var(--color-text-light);
}

.section-eyebrow,
.hero-eyebrow {
    margin-bottom: 12px;

    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;

    color: var(--color-primary);
}


/* =========================================================
   4. Header
   ========================================================= */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;

    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--color-border);

    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.header-inner {
    min-height: 72px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 28px;
}


/* =========================================================
   5. Logo
   ========================================================= */

.site-logo {
    display: inline-flex;
    align-items: baseline;

    color: var(--color-heading);

    font-size: 24px;
    font-weight: 750;
    line-height: 1;

    letter-spacing: -0.04em;

    white-space: nowrap;
}

.site-logo:hover {
    color: var(--color-heading);
}

.logo-example {
    color: var(--color-heading);
}

.logo-website {
    color: var(--color-primary);
}

.logo-dot {
    margin-left: 1px;

    color: var(--color-text-light);

    font-size: 16px;
    font-weight: 600;

    letter-spacing: -0.02em;
}


/* =========================================================
   6. Desktop Navigation
   ========================================================= */

.main-navigation ul {
    display: flex;
    align-items: center;

    gap: 30px;

    margin: 0;
    padding: 0;

    list-style: none;
}

.main-navigation a {
    display: block;

    padding: 8px 0;

    color: #374151;

    font-size: 15px;
    font-weight: 600;

    transition:
        color var(--transition);
}

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


/* =========================================================
   7. Mobile Menu Button
   ========================================================= */

.mobile-menu-button {
    display: none;

    width: 42px;
    height: 42px;

    padding: 8px;

    border: 1px solid var(--color-border);
    border-radius: 10px;

    background: #ffffff;
}

.mobile-menu-button span {
    display: block;

    width: 22px;
    height: 2px;

    margin: 4px auto;

    background: var(--color-heading);

    border-radius: 2px;

    transition:
        transform var(--transition),
        opacity var(--transition);
}


/* =========================================================
   8. Hero
   ========================================================= */

.hero {
    position: relative;

    overflow: hidden;

    padding: 108px 0 112px;

    background:
        radial-gradient(
            circle at 80% 20%,
            rgba(37, 99, 235, 0.11),
            transparent 32%
        ),
        radial-gradient(
            circle at 12% 90%,
            rgba(59, 130, 246, 0.08),
            transparent 26%
        ),
        linear-gradient(
            180deg,
            #ffffff 0%,
            #f8fbff 100%
        );

    border-bottom: 1px solid var(--color-border);
}

.hero::before {
    content: "";

    position: absolute;

    top: -100px;
    right: -130px;

    width: 380px;
    height: 380px;

    border: 1px solid rgba(37, 99, 235, 0.10);
    border-radius: 50%;
}

.hero::after {
    content: "";

    position: absolute;

    right: 80px;
    bottom: -180px;

    width: 300px;
    height: 300px;

    border: 1px solid rgba(37, 99, 235, 0.08);
    border-radius: 50%;
}

.hero-inner {
    position: relative;
    z-index: 2;

    width: min(
        calc(100% - 40px),
        var(--max-width)
    );

    margin: 0 auto;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    max-width: 820px;

    margin-bottom: 24px;

    font-size: clamp(44px, 6vw, 72px);
    line-height: 1.05;

    letter-spacing: -0.055em;
}

.hero-description {
    max-width: 720px;

    margin-bottom: 32px;

    color: var(--color-text-light);

    font-size: clamp(18px, 2vw, 21px);
    line-height: 1.7;
}


/* =========================================================
   9. Buttons
   ========================================================= */

.primary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 48px;

    padding: 12px 21px;

    border: 1px solid var(--color-primary);
    border-radius: 10px;

    background: var(--color-primary);
    color: #ffffff;

    font-size: 15px;
    font-weight: 700;

    box-shadow:
        0 5px 14px rgba(37, 99, 235, 0.18);

    transition:
        background var(--transition),
        border-color var(--transition),
        transform var(--transition),
        box-shadow var(--transition);
}

.primary-button:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);

    color: #ffffff;

    transform: translateY(-1px);

    box-shadow:
        0 7px 18px rgba(37, 99, 235, 0.22);
}


/* =========================================================
   10. Intro Section
   ========================================================= */

.intro-section {
    padding: 86px 0 30px;
}

.intro-section .section-heading {
    margin-bottom: 0;
}


/* =========================================================
   11. Website Examples Section
   ========================================================= */

.website-examples-section {
    padding: 72px 0 100px;
}

.example-grid {
    display: grid;

    grid-template-columns:
        repeat(3, minmax(0, 1fr));

    gap: 22px;
}

.example-card {
    position: relative;

    display: flex;
    flex-direction: column;

    min-height: 100%;

    padding: 28px;

    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);

    background: var(--color-card);

    box-shadow: var(--shadow-small);

    transition:
        transform var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

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

    border-color: #c9d9f5;

    box-shadow: var(--shadow-medium);
}

.example-card-icon {
    width: 52px;
    height: 52px;

    margin-bottom: 20px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 13px;

    background: var(--color-primary-light);

    font-size: 25px;
    line-height: 1;
}

.example-card-content {
    display: flex;
    flex-direction: column;

    flex: 1;
}

.example-card h3 {
    margin-bottom: 12px;

    font-size: 20px;
    letter-spacing: -0.025em;
}

.example-card h3 a {
    color: var(--color-heading);
}

.example-card h3 a:hover {
    color: var(--color-primary);
}

.example-card p {
    margin-bottom: 24px;

    color: var(--color-text-light);

    font-size: 15px;
    line-height: 1.65;
}

.card-link {
    margin-top: auto;

    display: inline-flex;
    align-items: center;

    gap: 7px;

    font-size: 14px;
    font-weight: 700;
}

.card-link span {
    transition: transform var(--transition);
}

.card-link:hover span {
    transform: translateX(3px);
}


/* =========================================================
   12. Why Examples / Features
   ========================================================= */

.why-examples-section {
    padding: 100px 0;

    background: var(--color-background-soft);

    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.feature-grid {
    display: grid;

    grid-template-columns:
        repeat(4, minmax(0, 1fr));

    gap: 20px;
}

.feature-card {
    padding: 26px 24px;

    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);

    background: #ffffff;
}

.feature-number {
    margin-bottom: 22px;

    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.08em;

    color: var(--color-primary);
}

.feature-card h3 {
    margin-bottom: 10px;

    font-size: 20px;
}

.feature-card p {
    margin-bottom: 0;

    color: var(--color-text-light);

    font-size: 15px;
}


/* =========================================================
   13. How We Choose
   ========================================================= */

.how-we-choose-section {
    padding: 105px 0;
}

.two-column-layout {
    display: grid;

    grid-template-columns:
        minmax(0, 0.9fr)
        minmax(0, 1.1fr);

    gap: 80px;

    align-items: start;
}

.how-we-choose-section .section-heading {
    position: sticky;

    top: 110px;

    margin-bottom: 0;
}

.criteria-list {
    display: grid;
    gap: 16px;
}

.criteria-item {
    padding: 24px 26px;

    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);

    background: #ffffff;
}

.criteria-item h3 {
    margin-bottom: 8px;

    font-size: 19px;
}

.criteria-item p {
    margin-bottom: 0;

    color: var(--color-text-light);

    font-size: 15px;
}


/* =========================================================
   14. Industries Section
   ========================================================= */

.industries-section {
    padding: 100px 0;

    background: var(--color-background-blue);

    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.industry-link-grid {
    display: grid;

    grid-template-columns:
        repeat(4, minmax(0, 1fr));

    gap: 12px;
}

.industry-link-grid a {
    display: flex;
    align-items: center;

    min-height: 54px;

    padding: 14px 17px;

    border: 1px solid var(--color-border);
    border-radius: 10px;

    background: #ffffff;

    color: var(--color-heading);

    font-size: 15px;
    font-weight: 650;

    transition:
        border-color var(--transition),
        color var(--transition),
        transform var(--transition),
        box-shadow var(--transition);
}

.industry-link-grid a:hover {
    color: var(--color-primary);

    border-color: #bfcef0;

    transform: translateY(-1px);

    box-shadow: var(--shadow-small);
}


/* =========================================================
   15. Build Website CTA
   ========================================================= */

.build-website-section {
    padding: 100px 0;
}

.build-website-box {
    position: relative;

    overflow: hidden;

    display: grid;

    grid-template-columns:
        minmax(0, 1fr)
        auto;

    gap: 50px;

    align-items: center;

    padding: 48px 50px;

    border-radius: var(--radius-large);

    background:
        linear-gradient(
            135deg,
            #111827 0%,
            #172554 100%
        );

    box-shadow: var(--shadow-large);
}

.build-website-box::after {
    content: "";

    position: absolute;

    width: 260px;
    height: 260px;

    right: -80px;
    top: -110px;

    border-radius: 50%;

    background: rgba(255, 255, 255, 0.04);
}

.build-website-content {
    position: relative;
    z-index: 2;

    max-width: 720px;
}

.build-website-content .section-eyebrow {
    color: #93c5fd;
}

.build-website-content h2 {
    margin-bottom: 14px;

    color: #ffffff;

    font-size: clamp(30px, 4vw, 42px);
    letter-spacing: -0.035em;
}

.build-website-content p:last-child {
    margin-bottom: 0;

    color: #cbd5e1;

    font-size: 17px;
}

.build-website-actions {
    position: relative;
    z-index: 2;

    flex-shrink: 0;
}

.build-website-actions .primary-button {
    background: #ffffff;
    border-color: #ffffff;

    color: #111827;

    box-shadow: none;
}

.build-website-actions .primary-button:hover {
    background: #f8fafc;
    border-color: #f8fafc;

    color: var(--color-primary);

    box-shadow: none;
}


/* =========================================================
   16. About
   ========================================================= */

.about-section {
    padding: 30px 0 100px;
}

.about-content {
    max-width: 780px;
}

.about-content h2 {
    margin-bottom: 18px;

    font-size: 31px;
    letter-spacing: -0.03em;
}

.about-content p {
    color: var(--color-text-light);

    font-size: 17px;
}


/* =========================================================
   17. Footer
   ========================================================= */

.site-footer {
    padding-top: 62px;

    background: #0f172a;

    color: #cbd5e1;
}

.footer-inner {
    display: grid;

    grid-template-columns:
        minmax(260px, 1.5fr)
        repeat(3, minmax(150px, 1fr));

    gap: 54px;

    padding-bottom: 55px;
}

.footer-brand {
    max-width: 330px;
}

.footer-logo {
    margin-bottom: 18px;

    color: #ffffff;
}

.footer-logo:hover {
    color: #ffffff;
}

.footer-logo .logo-example {
    color: #ffffff;
}

.footer-logo .logo-website {
    color: #60a5fa;
}

.footer-logo .logo-dot {
    color: #94a3b8;
}

.footer-brand p {
    margin-bottom: 0;

    color: #94a3b8;

    font-size: 14px;
    line-height: 1.7;
}

.footer-column h2 {
    margin-bottom: 17px;

    color: #ffffff;

    font-size: 14px;
    font-weight: 700;
}

.footer-column ul {
    margin: 0;
    padding: 0;

    list-style: none;
}

.footer-column li + li {
    margin-top: 9px;
}

.footer-column a {
    color: #94a3b8;

    font-size: 14px;

    transition: color var(--transition);
}

.footer-column a:hover {
    color: #ffffff;
}

.footer-bottom {
    width: min(
        calc(100% - 40px),
        var(--max-width)
    );

    margin: 0 auto;

    padding: 22px 0 25px;

    border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.footer-bottom p {
    margin: 0;

    color: #64748b;

    font-size: 13px;
}


/* =========================================================
   18. Focus / Accessibility
   ========================================================= */

a:focus-visible,
button:focus-visible {
    outline: 3px solid rgba(37, 99, 235, 0.35);
    outline-offset: 3px;
}


/* =========================================================
   19. Large Tablet
   ========================================================= */

@media (max-width: 1050px) {

    .example-grid {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }

    .feature-grid {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }

    .industry-link-grid {
        grid-template-columns:
            repeat(3, minmax(0, 1fr));
    }

    .footer-inner {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }

}


/* =========================================================
   20. Tablet / Mobile Navigation
   ========================================================= */

@media (max-width: 820px) {

    .header-inner {
        position: relative;

        min-height: 68px;
    }

    .mobile-menu-button {
        display: block;
    }

    .main-navigation {
        position: absolute;

        top: calc(100% + 1px);
        left: -20px;
        right: -20px;

        display: none;

        padding: 12px 20px 20px;

        background: #ffffff;

        border-bottom: 1px solid var(--color-border);

        box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
    }

    .main-navigation.is-open {
        display: block;
    }

    .main-navigation ul {
        flex-direction: column;
        align-items: stretch;

        gap: 2px;
    }

    .main-navigation a {
        padding: 11px 4px;

        border-bottom: 1px solid #f1f5f9;
    }

    .main-navigation li:last-child a {
        border-bottom: 0;
    }

    .mobile-menu-button.is-open span:nth-child(1) {
        transform:
            translateY(6px)
            rotate(45deg);
    }

    .mobile-menu-button.is-open span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-button.is-open span:nth-child(3) {
        transform:
            translateY(-6px)
            rotate(-45deg);
    }

    .hero {
        padding: 86px 0 90px;
    }

    .hero h1 {
        font-size: clamp(42px, 9vw, 60px);
    }

    .two-column-layout {
        grid-template-columns: 1fr;

        gap: 45px;
    }

    .how-we-choose-section .section-heading {
        position: static;
    }

    .industry-link-grid {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }

    .build-website-box {
        grid-template-columns: 1fr;

        gap: 28px;

        padding: 40px;
    }

    .build-website-actions {
        justify-self: start;
    }

}


/* =========================================================
   21. Small Tablet
   ========================================================= */

@media (max-width: 650px) {

    .content-container,
    .header-inner,
    .footer-inner,
    .hero-inner,
    .footer-bottom {
        width: min(
            calc(100% - 30px),
            var(--max-width)
        );
    }

    .site-logo {
        font-size: 22px;
    }

    .logo-dot {
        font-size: 15px;
    }

    .hero {
        padding: 70px 0 76px;
    }

    .hero-description {
        font-size: 18px;
    }

    .intro-section {
        padding: 65px 0 20px;
    }

    .website-examples-section {
        padding: 55px 0 75px;
    }

    .example-grid {
        grid-template-columns: 1fr;

        gap: 16px;
    }

    .example-card {
        padding: 24px;
    }

    .why-examples-section,
    .how-we-choose-section,
    .industries-section,
    .build-website-section {
        padding: 75px 0;
    }

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

    .industry-link-grid {
        grid-template-columns: 1fr;
    }

    .build-website-box {
        padding: 32px 26px;

        border-radius: 18px;
    }

    .about-section {
        padding: 10px 0 75px;
    }

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

        gap: 36px;
    }

}


/* =========================================================
   22. Phones
   ========================================================= */

@media (max-width: 440px) {

    .hero {
        padding-top: 58px;
        padding-bottom: 64px;
    }

    .hero h1 {
        margin-bottom: 20px;

        font-size: 40px;
    }

    .hero-description {
        margin-bottom: 27px;

        font-size: 17px;
    }

    .primary-button {
        width: 100%;
    }

    .section-heading {
        margin-bottom: 30px;
    }

    .section-heading h2 {
        font-size: 30px;
    }

    .section-heading p {
        font-size: 16px;
    }

    .example-card-icon {
        width: 48px;
        height: 48px;

        font-size: 23px;
    }

    .example-card h3 {
        font-size: 19px;
    }

    .build-website-actions {
        width: 100%;
    }

}


/* =========================================================
   23. Reduced Motion
   ========================================================= */

@media (prefers-reduced-motion: reduce) {

    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }

}