From a0a096c8412ad6b7ad5b0aad136e75b740f7a143 Mon Sep 17 00:00:00 2001
From: wanli132650 <84144389+wanli132650@users.noreply.github.com>
Date: Wed, 22 Jul 2026 19:29:42 +0800
Subject: [PATCH] feat: make landing page fully responsive for mobile devices

- Add hamburger menu for mobile nav
- Reduce padding on small screens
- Make tools grid single column on mobile
- Make steps section icons responsive
- Fix CTA section sizing on mobile
- Improve footer mobile layout

Fixes #3
---
 frontend/src/pages/LandingPage.tsx | 110 +++++++++++++++++++----------
 1 file changed, 74 insertions(+), 36 deletions(-)

diff --git a/frontend/src/pages/LandingPage.tsx b/frontend/src/pages/LandingPage.tsx
index baede37..fe3537f 100644
--- a/frontend/src/pages/LandingPage.tsx
+++ b/frontend/src/pages/LandingPage.tsx
@@ -1,3 +1,4 @@
+import { useState } from 'react'
 import { Link } from 'react-router-dom'
 import {
   Scissors,
@@ -14,6 +15,8 @@ import {
   Gem,
   Pen,
   FileOutput,
+  Menu,
+  X,
 } from 'lucide-react'
 
 const tools = [
@@ -34,6 +37,8 @@ const steps = [
 ]
 
 export default function LandingPage() {
+  const [mobileMenuOpen, setMobileMenuOpen] = useState(false)
+
   return (
     <div className="min-h-screen bg-[#050e18] text-slate-200 relative">
       {/* ── CSS ─────────────────────────────────────────────── */}
@@ -142,7 +147,7 @@ export default function LandingPage() {
       {/* ── Nav ────────────────────────────────────────────── */}
       <nav className="sticky top-0 z-50 backdrop-blur-xl border-b border-white/[.04]"
         style={{ background: 'rgba(5,14,24,.75)' }}>
-        <div className="max-w-6xl mx-auto flex items-center justify-between px-6 h-16">
+        <div className="max-w-6xl mx-auto flex items-center justify-between px-4 sm:px-6 h-16">
           <Link to="/" className="flex items-center gap-2.5 group">
             <div className="w-8 h-8 rounded-lg bg-gradient-to-br from-brand-500 to-blue-400 flex items-center justify-center
                             shadow-lg shadow-brand-500/20 group-hover:shadow-brand-500/40 transition-shadow">
@@ -152,7 +157,9 @@ export default function LandingPage() {
               Crystal<span className="text-blue-400">PDF</span>
             </span>
           </Link>
-          <div className="flex items-center gap-2">
+
+          {/* Desktop nav links */}
+          <div className="hidden sm:flex items-center gap-2">
             <Link to="/login"
               className="text-sm text-slate-400 hover:text-white px-4 py-2 transition-colors">
               Sign in
@@ -164,30 +171,60 @@ export default function LandingPage() {
               Get started
             </Link>
           </div>
+
+          {/* Mobile hamburger button */}
+          <button
+            className="sm:hidden flex items-center justify-center w-10 h-10 rounded-lg
+                       text-slate-400 hover:text-white hover:bg-white/[.06] transition-colors"
+            onClick={() => setMobileMenuOpen(!mobileMenuOpen)}
+            aria-label="Toggle menu"
+          >
+            {mobileMenuOpen ? <X size={20} /> : <Menu size={20} />}
+          </button>
         </div>
+
+        {/* Mobile menu dropdown */}
+        {mobileMenuOpen && (
+          <div className="sm:hidden border-t border-white/[.04] px-4 py-4 space-y-2"
+            style={{ background: 'rgba(5,14,24,.95)' }}>
+            <Link to="/login"
+              className="block text-sm text-slate-400 hover:text-white px-4 py-2.5 rounded-lg
+                         hover:bg-white/[.04] transition-colors"
+              onClick={() => setMobileMenuOpen(false)}>
+              Sign in
+            </Link>
+            <Link to="/register"
+              className="block text-sm font-medium text-blue-300 bg-brand-500/15 hover:bg-brand-500/25
+                         border border-brand-500/25 hover:border-brand-500/40
+                         px-4 py-2.5 rounded-lg transition-all text-center"
+              onClick={() => setMobileMenuOpen(false)}>
+              Get started
+            </Link>
+          </div>
+        )}
       </nav>
 
       {/* ── Hero ───────────────────────────────────────────── */}
-      <section className="relative z-10 max-w-6xl mx-auto px-6
-                          pt-20 pb-24 md:pt-32 md:pb-36
-                          grid md:grid-cols-[1fr,auto] items-center gap-12">
+      <section className="relative z-10 max-w-6xl mx-auto px-4 sm:px-6
+                          pt-12 pb-16 sm:pt-20 sm:pb-24 md:pt-32 md:pb-36
+                          grid md:grid-cols-[1fr,auto] items-center gap-8 sm:gap-12">
         {/* Text column */}
         <div className="max-w-2xl">
           <h1 className="font-display font-semibold tracking-tight leading-[1.1]
-                         text-[clamp(2.2rem,5.5vw,4.8rem)] text-white anim-reveal">
+                         text-[clamp(2rem,5.5vw,4.8rem)] text-white anim-reveal">
             Every<br className="hidden sm:block" /> PDF tool<br className="hidden sm:block" /> you'll ever{' '}
             <em className="not-italic text-blue-400">need.</em>
           </h1>
 
-          <p className="mt-7 text-[clamp(1rem,1.8vw,1.2rem)] leading-relaxed
+          <p className="mt-5 sm:mt-7 text-[clamp(.95rem,1.8vw,1.2rem)] leading-relaxed
                         text-slate-400 max-w-md anim-reveal anim-d2">
             Merge, split, compress, protect, convert, and annotate&nbsp;&mdash;
             from one elegant workspace. No subscriptions, no upload limits.
           </p>
 
-          <div className="mt-10 flex flex-wrap gap-3 anim-reveal anim-d3">
+          <div className="mt-8 sm:mt-10 flex flex-wrap gap-3 anim-reveal anim-d3">
             <Link to="/register"
-              className="inline-flex items-center gap-2 px-6 py-3.5 rounded-xl text-[15px] font-medium
+              className="inline-flex items-center gap-2 px-5 sm:px-6 py-3 sm:py-3.5 rounded-xl text-[15px] font-medium
                          text-white bg-gradient-to-b from-brand-500 to-brand-600
                          shadow-[0_2px_24px_rgba(45,98,255,.35)]
                          hover:shadow-[0_4px_32px_rgba(45,98,255,.5)]
@@ -195,7 +232,7 @@ export default function LandingPage() {
               Start for free <ArrowRight size={15} strokeWidth={2.2} />
             </Link>
             <Link to="/login"
-              className="inline-flex items-center gap-2 px-6 py-3.5 rounded-xl text-[15px] font-medium
+              className="inline-flex items-center gap-2 px-5 sm:px-6 py-3 sm:py-3.5 rounded-xl text-[15px] font-medium
                          text-slate-300 border border-white/10 hover:border-white/20
                          hover:bg-white/[.03] transition-all">
               Sign in to workspace
@@ -216,13 +253,13 @@ export default function LandingPage() {
 
       {/* ── Tools grid ─────────────────────────────────────── */}
       <section className="relative z-10 dot-grid">
-        <div className="max-w-6xl mx-auto px-6 py-24 md:py-32">
+        <div className="max-w-6xl mx-auto px-4 sm:px-6 py-16 sm:py-24 md:py-32">
           {/* Section header */}
-          <div className="max-w-lg mb-14">
+          <div className="max-w-lg mb-10 sm:mb-14">
             <p className="text-xs font-medium tracking-[.15em] uppercase text-brand-400 mb-4">
               Toolkit
             </p>
-            <h2 className="font-display text-[clamp(2rem,4.5vw,3.5rem)] font-semibold
+            <h2 className="font-display text-[clamp(1.75rem,4.5vw,3.5rem)] font-semibold
                            tracking-tight leading-[1.05] text-white">
               Everything in<br className="hidden sm:block" /> one workspace
             </h2>
@@ -232,19 +269,19 @@ export default function LandingPage() {
           </div>
 
           {/* Grid */}
-          <div className="grid grid-cols-2 sm:grid-cols-4 gap-3">
+          <div className="grid grid-cols-1 xs:grid-cols-2 sm:grid-cols-4 gap-3">
             {tools.map((t) => (
-              <div key={t.name} className="tool-card rounded-2xl p-5 cursor-default group">
-                <div className="w-10 h-10 rounded-xl bg-blue-400/[.08] border border-blue-400/[.12]
-                                flex items-center justify-center mb-4
+              <div key={t.name} className="tool-card rounded-2xl p-4 sm:p-5 cursor-default group overflow-hidden">
+                <div className="w-9 h-9 sm:w-10 sm:h-10 rounded-xl bg-blue-400/[.08] border border-blue-400/[.12]
+                                flex items-center justify-center mb-3 sm:mb-4
                                 group-hover:bg-blue-400/[.12] group-hover:border-blue-400/[.2]
                                 transition-colors">
                   <t.icon size={18} className="text-blue-400" strokeWidth={1.8} />
                 </div>
-                <p className="text-[15px] font-semibold text-white tracking-tight mb-1">
+                <p className="text-[14px] sm:text-[15px] font-semibold text-white tracking-tight mb-1 truncate">
                   {t.name}
                 </p>
-                <p className="text-[13px] text-slate-500 leading-snug">
+                <p className="text-[12px] sm:text-[13px] text-slate-500 leading-snug">
                   {t.desc}
                 </p>
               </div>
@@ -255,12 +292,12 @@ export default function LandingPage() {
 
       {/* ── How it works ───────────────────────────────────── */}
       <section className="relative z-10 border-t border-white/[.04]">
-        <div className="max-w-3xl mx-auto px-6 py-24 md:py-32">
-          <div className="text-center max-w-lg mx-auto mb-16">
+        <div className="max-w-3xl mx-auto px-4 sm:px-6 py-16 sm:py-24 md:py-32">
+          <div className="text-center max-w-lg mx-auto mb-12 sm:mb-16">
             <p className="text-xs font-medium tracking-[.15em] uppercase text-brand-400 mb-4">
               How it works
             </p>
-            <h2 className="font-display text-[clamp(2rem,4.5vw,3.5rem)] font-semibold
+            <h2 className="font-display text-[clamp(1.75rem,4.5vw,3.5rem)] font-semibold
                            tracking-tight leading-[1.05] text-white">
               Three steps, that's it
             </h2>
@@ -270,24 +307,24 @@ export default function LandingPage() {
             {steps.map((s, i) => (
               <div key={s.num}>
                 {/* Step row */}
-                <div className="flex items-start gap-5">
+                <div className="flex items-start gap-4 sm:gap-5">
                   {/* Left: number + icon */}
                   <div className="flex flex-col items-center">
-                    <div className="w-12 h-12 rounded-xl flex items-center justify-center
+                    <div className="w-10 h-10 sm:w-12 sm:h-12 rounded-xl flex items-center justify-center
                                     bg-brand-500/10 border border-brand-500/20 shrink-0">
-                      <s.icon size={20} className="text-blue-400" strokeWidth={1.6} />
+                      <s.icon size={18} className="text-blue-400 sm:w-5 sm:h-5" strokeWidth={1.6} />
                     </div>
                   </div>
 
                   {/* Right: text */}
-                  <div className="pt-1">
+                  <div className="pt-1 min-w-0">
                     <p className="text-xs font-medium text-brand-400/60 tracking-wider mb-1">
                       Step {s.num}
                     </p>
-                    <h3 className="text-base font-semibold text-white tracking-tight mb-1.5">
+                    <h3 className="text-sm sm:text-base font-semibold text-white tracking-tight mb-1.5">
                       {s.title}
                     </h3>
-                    <p className="text-sm text-slate-500 leading-relaxed max-w-sm">
+                    <p className="text-[13px] sm:text-sm text-slate-500 leading-relaxed max-w-sm">
                       {s.body}
                     </p>
                   </div>
@@ -295,8 +332,8 @@ export default function LandingPage() {
 
                 {/* Connector between steps */}
                 {i < steps.length - 1 && (
-                  <div className="flex items-stretch gap-5 py-1">
-                    <div className="w-12 flex justify-center shrink-0">
+                  <div className="flex items-stretch gap-4 sm:gap-5 py-1">
+                    <div className="w-10 sm:w-12 flex justify-center shrink-0">
                       <div className="w-px h-8 bg-gradient-to-b from-brand-500/20 to-transparent" />
                     </div>
                   </div>
@@ -309,7 +346,7 @@ export default function LandingPage() {
 
       {/* ── CTA ────────────────────────────────────────────── */}
       <section className="relative z-10 border-t border-white/[.04]">
-        <div className="max-w-6xl mx-auto px-6 py-28 md:py-36 text-center">
+        <div className="max-w-6xl mx-auto px-4 sm:px-6 py-20 sm:py-28 md:py-36 text-center">
           {/* Soft top glow */}
           <div className="absolute inset-x-0 top-0 h-64 pointer-events-none"
             style={{ background: 'radial-gradient(ellipse 50% 100% at 50% 0%, rgba(45,98,255,.06), transparent)' }} />
@@ -317,14 +354,14 @@ export default function LandingPage() {
           <p className="text-sm text-slate-500 mb-4 relative">
             Free to use. No credit card required.
           </p>
-          <h2 className="font-display text-[clamp(2.4rem,5.5vw,4.5rem)] font-semibold
-                         tracking-tight leading-[.95] text-white mb-10 relative">
+          <h2 className="font-display text-[clamp(1.8rem,5.5vw,4.5rem)] font-semibold
+                         tracking-tight leading-[1] sm:leading-[.95] text-white mb-8 sm:mb-10 relative">
             Start working with<br />
             your PDFs today.
           </h2>
           <div className="relative flex flex-wrap justify-center gap-3">
             <Link to="/register"
-              className="inline-flex items-center gap-2 px-7 py-3.5 rounded-xl text-[15px] font-medium
+              className="inline-flex items-center gap-2 px-6 sm:px-7 py-3 sm:py-3.5 rounded-xl text-[15px] font-medium
                          text-white bg-gradient-to-b from-brand-500 to-brand-600
                          shadow-[0_2px_24px_rgba(45,98,255,.35)]
                          hover:shadow-[0_4px_32px_rgba(45,98,255,.5)]
@@ -332,7 +369,7 @@ export default function LandingPage() {
               Create free account <ArrowRight size={15} strokeWidth={2.2} />
             </Link>
             <Link to="/login"
-              className="inline-flex items-center gap-2 px-7 py-3.5 rounded-xl text-[15px] font-medium
+              className="inline-flex items-center gap-2 px-6 sm:px-7 py-3 sm:py-3.5 rounded-xl text-[15px] font-medium
                          text-slate-400 hover:text-slate-200 transition-colors">
               or sign in
             </Link>
@@ -342,7 +379,8 @@ export default function LandingPage() {
 
       {/* ── Footer ─────────────────────────────────────────── */}
       <footer className="relative z-10 border-t border-white/[.04]">
-        <div className="max-w-6xl mx-auto px-6 py-8 flex items-center justify-between flex-wrap gap-4">
+        <div className="max-w-6xl mx-auto px-4 sm:px-6 py-6 sm:py-8 flex flex-col sm:flex-row items-center
+                        justify-between gap-3 sm:gap-4 text-center sm:text-left">
           <span className="font-display text-sm font-semibold text-slate-600">
             Crystal<span className="text-blue-400/50">PDF</span>
           </span>