/* ============================================
   GeoNote Landing Page Styles
   Design Direction: Editorial Practical
   - Strong typographic hierarchy
   - Asymmetric spatial rhythm
   - Intentional color dominance (blue-green story)
   - Restrained but memorable visual anchors
   ============================================ */

/* ============================================
   Root Variables & Design Tokens
   ============================================ */
:root {
    /* Primary Colors */
    --color-primary: #1F7AE0;
    --color-primary-dark: #165FB2;
    --color-primary-light: #EAF4FF;

    /* Secondary Colors */
    --color-secondary: #28A745;
    --color-secondary-dark: #1F7D35;
    --color-secondary-light: #EAF8EF;

    /* Neutrals */
    --color-neutral-900: #1C2430;
    --color-neutral-700: #415066;
    --color-neutral-500: #6E7C91;
    --color-neutral-300: #B7C1CE;
    --color-neutral-100: #F6F8FB;
    --color-white: #FFFFFF;

    /* Gradients */
    --gradient-accent: linear-gradient(135deg, #1F7AE0 0%, #28A745 100%);
    --gradient-hero: linear-gradient(135deg, #F6FBFF 0%, #EAF4FF 48%, #F3FBF6 100%);

    /* Border Radius */
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;

    /* Shadows */
    --shadow-card: 0 10px 30px rgba(31, 122, 224, 0.08);
    --shadow-card-hover: 0 20px 50px rgba(31, 122, 224, 0.14);
    --shadow-subtle: 0 4px 12px rgba(31, 122, 224, 0.06);

    /* Typography Scale (Editorial approach) */
    --font-family: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
    --font-size-xs: 0.875rem;
    --font-size-sm: 1rem;
    --font-size-base: 1.125rem;
    --font-size-lg: 1.375rem;
    --font-size-xl: 1.75rem;
    --font-size-2xl: 2.25rem;
    --font-size-3xl: 3rem;
    --font-size-4xl: 3.75rem;
    --font-size-5xl: 4.5rem;

    /* Spacing Rhythm */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;

    /* Layout */
    --container-width: 1240px;
    --container-narrow: 920px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-neutral-700);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Skip to Content Link (Accessibility) */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 12px 24px;
    text-decoration: none;
    z-index: 10000;
    font-weight: 600;
    border-radius: 0 0 8px 0;
}

.skip-link:focus {
    top: 0;
    outline: 3px solid var(--color-secondary);
    outline-offset: 2px;
}

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

ul {
    list-style: none;
}

/* ============================================
   Typography System
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-neutral-900);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    text-align: center;
    color: var(--color-neutral-500);
    max-width: 640px;
    margin: 0 auto var(--space-xl);
    line-height: 1.6;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn--primary {
    background: var(--gradient-accent);
    color: var(--color-white);
    box-shadow: var(--shadow-subtle);
}

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

.btn--primary:active {
    transform: translateY(0);
}

.btn--secondary {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn--secondary:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
}

.btn--large {
    padding: 1.125rem 2.5rem;
    font-size: var(--font-size-base);
}

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-neutral-100);
    transition: all 0.3s ease;
}

.nav--scrolled {
    box-shadow: var(--shadow-subtle);
}

.nav__container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--space-sm) var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo-img {
    height: 40px;
    width: auto;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-neutral-900);
    transition: all 0.3s ease;
}

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

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

.nav__link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-neutral-700);
    transition: color 0.2s ease;
    position: relative;
}

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

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

.nav__link:hover::after {
    width: 100%;
}

/* ============================================
   Hero Section - Asymmetric Editorial Layout
   ============================================ */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
    padding: var(--space-xl) var(--space-md);
}

.hero__container {
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-xl);
    align-items: center;
}

.hero__content {
    padding-right: var(--space-lg);
}

.hero__title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.03em;
    color: var(--color-neutral-900);
}

.hero__title-accent {
    display: block;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: var(--space-sm);
}

.hero__description {
    font-size: var(--font-size-xl);
    line-height: 1.6;
    color: var(--color-neutral-500);
    margin-bottom: var(--space-xl);
    max-width: 560px;
}

.hero__cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* Phone Mockup - Distinctive Visual Anchor */
.phone-mockup {
    position: relative;
    width: 100%;
    max-width: 340px;
    margin: 0 auto;
    aspect-ratio: 9 / 19;
    background: var(--color-white);
    border-radius: 42px;
    box-shadow: 0 40px 80px rgba(31, 122, 224, 0.15),
        0 20px 40px rgba(31, 122, 224, 0.1);
    padding: 12px;
    border: 8px solid var(--color-neutral-900);
}

.phone-mockup__screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #FAFBFC 0%, #F6F8FB 100%);
    border-radius: 34px;
    overflow: hidden;
    position: relative;
}

.mockup-content {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.mockup-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-card);
    display: flex;
    gap: var(--space-sm);
    align-items: flex-start;
    animation: float 3s ease-in-out infinite;
}

.mockup-card--1 {
    animation-delay: 0s;
}

.mockup-card--2 {
    animation-delay: 0.5s;
    margin-left: var(--space-sm);
}

.mockup-card--3 {
    animation-delay: 1s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) scale(1);
    }

    50% {
        transform: translateY(-8px) scale(1.02);
    }
}

.mockup-pin {
    width: 32px;
    height: 32px;
    background: var(--gradient-accent);
    border-radius: 50% 50% 50% 0;
    transform: rotate(-45deg);
    flex-shrink: 0;
}

.mockup-text {
    flex: 1;
}

.mockup-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-neutral-900);
    margin-bottom: 4px;
}

.mockup-location {
    font-size: var(--font-size-xs);
    color: var(--color-neutral-500);
}

/* ============================================
   Features Section
   ============================================ */
.features {
    padding: var(--space-3xl) var(--space-md);
    background: var(--color-white);
}

.features__container {
    max-width: var(--container-width);
    margin: 0 auto;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.feature-card {
    padding: var(--space-xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--color-primary-light);
}

.feature-card__icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.feature-card__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-neutral-900);
    margin-bottom: var(--space-sm);
}

.feature-card__description {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-neutral-500);
}

/* ============================================
   How It Works Section
   ============================================ */
.how-it-works {
    padding: var(--space-3xl) var(--space-md);
    background: var(--gradient-hero);
}

.how-it-works__container {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.step {
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
}

.step__number {
    width: 72px;
    height: 72px;
    flex-shrink: 0;
    background: var(--gradient-accent);
    color: var(--color-white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: 800;
    box-shadow: var(--shadow-card);
}

.step__content {
    flex: 1;
    padding-top: var(--space-xs);
}

.step__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-neutral-900);
    margin-bottom: var(--space-sm);
}

.step__description {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-neutral-500);
}

/* ============================================
   Security Section
   ============================================ */
.security {
    padding: var(--space-3xl) var(--space-md);
    background: var(--color-white);
}

.security__container {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.security__content {
    text-align: left;
}

.security__text {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--color-neutral-700);
    margin-bottom: var(--space-lg);
}

.security__text:last-child {
    margin-bottom: 0;
}

.security__features {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.security__feature {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.security__icon {
    font-size: var(--font-size-xl);
    color: var(--color-secondary);
    font-weight: 700;
    flex-shrink: 0;
}

.security__feature strong {
    color: var(--color-neutral-900);
    display: block;
    margin-bottom: var(--space-xs);
}

/* ============================================
   FAQ Section
   ============================================ */
.faq {
    padding: var(--space-3xl) var(--space-md);
    background: var(--color-neutral-100);
}

.faq__container {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.faq__grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.faq__item {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-subtle);
    transition: box-shadow 0.3s ease;
}

.faq__item:hover {
    box-shadow: var(--shadow-card);
}

.faq__item[open] {
    box-shadow: var(--shadow-card);
}

.faq__question {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-neutral-900);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
    user-select: none;
}

.faq__question::-webkit-details-marker {
    display: none;
}

.faq__question::after {
    content: '+';
    font-size: var(--font-size-2xl);
    font-weight: 400;
    color: var(--color-primary);
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.faq__item[open] .faq__question::after {
    transform: rotate(45deg);
}

.faq__answer {
    padding-top: var(--space-md);
    color: var(--color-neutral-700);
    font-size: var(--font-size-base);
    line-height: 1.7;
}

.faq__answer p {
    margin: 0;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    padding: var(--space-3xl) var(--space-md);
    background: var(--gradient-accent);
    text-align: center;
}

.cta-section__container {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.cta-section__title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.cta-section__description {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.cta-section__buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.cta-section .btn--primary {
    background: var(--color-white);
    color: var(--color-primary);
}

.cta-section .btn--primary:hover {
    background: var(--color-neutral-100);
    transform: translateY(-2px) scale(1.05);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-neutral-900);
    color: var(--color-neutral-300);
    padding: var(--space-2xl) var(--space-md) var(--space-lg);
}

.footer__container {
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-2xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-neutral-700);
}

.footer__logo {
    height: 36px;
    width: auto;
    margin-bottom: var(--space-md);
    filter: brightness(0) invert(1);
}

.footer__description {
    font-size: var(--font-size-base);
    line-height: 1.6;
    max-width: 360px;
}

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

.footer__heading {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer__link {
    font-size: var(--font-size-sm);
    color: var(--color-neutral-300);
    transition: color 0.2s ease;
}

.footer__link:hover {
    color: var(--color-white);
}

.footer__bottom {
    text-align: center;
    padding-top: var(--space-lg);
    font-size: var(--font-size-sm);
    color: var(--color-neutral-500);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --font-size-5xl: 3.5rem;
        --font-size-4xl: 3rem;
        --font-size-3xl: 2.5rem;
    }

    .hero__container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .hero__content {
        padding-right: 0;
        text-align: center;
    }

    .hero__title,
    .hero__description {
        max-width: 100%;
    }

    .hero__cta {
        justify-content: center;
    }

    .phone-mockup {
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2.25rem;
        --font-size-3xl: 2rem;
        --font-size-2xl: 1.75rem;
        --space-3xl: 5rem;
        --space-2xl: 4rem;
    }

    .nav__toggle {
        display: flex;
    }

    .nav__menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--space-lg);
        box-shadow: var(--shadow-card);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .nav__menu--open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav__list {
        flex-direction: column;
        width: 100%;
        gap: var(--space-md);
    }

    .nav__item {
        width: 100%;
        text-align: center;
    }

    .hero {
        min-height: auto;
        padding: var(--space-2xl) var(--space-md);
    }

    .hero__title {
        font-size: var(--font-size-4xl);
    }

    .hero__description {
        font-size: var(--font-size-lg);
    }

    .hero__cta {
        flex-direction: column;
        width: 100%;
    }

    .hero__cta .btn {
        width: 100%;
    }

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

    .step {
        flex-direction: column;
        gap: var(--space-md);
    }

    .step__number {
        margin: 0 auto;
    }

    .step__content {
        text-align: center;
    }

    .cta-section__title {
        font-size: var(--font-size-3xl);
    }

    .cta-section__description {
        font-size: var(--font-size-lg);
    }

    .cta-section__buttons {
        flex-direction: column;
        width: 100%;
    }

    .cta-section__buttons .btn {
        width: 100%;
    }

    .footer__container {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .footer__links {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

@media (max-width: 480px) {
    :root {
        --space-md: 1rem;
        --space-lg: 1.5rem;
    }

    .nav__container {
        padding: var(--space-sm);
    }

    .hero__title {
        font-size: var(--font-size-3xl);
    }

    .phone-mockup {
        max-width: 260px;
    }

    .mockup-content {
        padding: var(--space-md);
    }
}

/* ============================================
   Utility Classes
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

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

/* Focus Styles for Accessibility */
*:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {

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